From 7d10c2df2fa34450696cf1f9ce164e4a5a907c90 Mon Sep 17 00:00:00 2001 From: Salvatore Filippone Date: Thu, 7 Jun 2018 20:16:09 +0100 Subject: [PATCH] New files, and ip_reord. --- ...p_reord_mod.f90 => psb_c_ip_reord_mod.F90} | 0 ...p_reord_mod.f90 => psb_d_ip_reord_mod.F90} | 0 ...p_reord_mod.f90 => psb_e_ip_reord_mod.F90} | 0 ..._ip_reord_mod.f90 => psb_ip_reord_mod.F90} | 0 ...p_reord_mod.f90 => psb_m_ip_reord_mod.F90} | 0 ...p_reord_mod.f90 => psb_s_ip_reord_mod.F90} | 0 ...p_reord_mod.f90 => psb_z_ip_reord_mod.F90} | 0 base/serial/impl/psb_c_lbase_mat_impl.F90 | 2296 +++++++++ base/serial/impl/psb_c_lcoo_impl.f90 | 4125 +++++++++++++++++ base/serial/impl/psb_d_lbase_mat_impl.F90 | 2296 +++++++++ base/serial/impl/psb_d_lcoo_impl.f90 | 4125 +++++++++++++++++ base/serial/impl/psb_s_lbase_mat_impl.F90 | 2296 +++++++++ base/serial/impl/psb_s_lcoo_impl.f90 | 4125 +++++++++++++++++ base/serial/impl/psb_z_lbase_mat_impl.F90 | 2296 +++++++++ base/serial/impl/psb_z_lcoo_impl.f90 | 4125 +++++++++++++++++ 15 files changed, 25684 insertions(+) rename base/modules/auxil/{psb_c_ip_reord_mod.f90 => psb_c_ip_reord_mod.F90} (100%) rename base/modules/auxil/{psb_d_ip_reord_mod.f90 => psb_d_ip_reord_mod.F90} (100%) rename base/modules/auxil/{psb_e_ip_reord_mod.f90 => psb_e_ip_reord_mod.F90} (100%) rename base/modules/auxil/{psb_ip_reord_mod.f90 => psb_ip_reord_mod.F90} (100%) rename base/modules/auxil/{psb_m_ip_reord_mod.f90 => psb_m_ip_reord_mod.F90} (100%) rename base/modules/auxil/{psb_s_ip_reord_mod.f90 => psb_s_ip_reord_mod.F90} (100%) rename base/modules/auxil/{psb_z_ip_reord_mod.f90 => psb_z_ip_reord_mod.F90} (100%) create mode 100644 base/serial/impl/psb_c_lbase_mat_impl.F90 create mode 100644 base/serial/impl/psb_c_lcoo_impl.f90 create mode 100644 base/serial/impl/psb_d_lbase_mat_impl.F90 create mode 100644 base/serial/impl/psb_d_lcoo_impl.f90 create mode 100644 base/serial/impl/psb_s_lbase_mat_impl.F90 create mode 100644 base/serial/impl/psb_s_lcoo_impl.f90 create mode 100644 base/serial/impl/psb_z_lbase_mat_impl.F90 create mode 100644 base/serial/impl/psb_z_lcoo_impl.f90 diff --git a/base/modules/auxil/psb_c_ip_reord_mod.f90 b/base/modules/auxil/psb_c_ip_reord_mod.F90 similarity index 100% rename from base/modules/auxil/psb_c_ip_reord_mod.f90 rename to base/modules/auxil/psb_c_ip_reord_mod.F90 diff --git a/base/modules/auxil/psb_d_ip_reord_mod.f90 b/base/modules/auxil/psb_d_ip_reord_mod.F90 similarity index 100% rename from base/modules/auxil/psb_d_ip_reord_mod.f90 rename to base/modules/auxil/psb_d_ip_reord_mod.F90 diff --git a/base/modules/auxil/psb_e_ip_reord_mod.f90 b/base/modules/auxil/psb_e_ip_reord_mod.F90 similarity index 100% rename from base/modules/auxil/psb_e_ip_reord_mod.f90 rename to base/modules/auxil/psb_e_ip_reord_mod.F90 diff --git a/base/modules/auxil/psb_ip_reord_mod.f90 b/base/modules/auxil/psb_ip_reord_mod.F90 similarity index 100% rename from base/modules/auxil/psb_ip_reord_mod.f90 rename to base/modules/auxil/psb_ip_reord_mod.F90 diff --git a/base/modules/auxil/psb_m_ip_reord_mod.f90 b/base/modules/auxil/psb_m_ip_reord_mod.F90 similarity index 100% rename from base/modules/auxil/psb_m_ip_reord_mod.f90 rename to base/modules/auxil/psb_m_ip_reord_mod.F90 diff --git a/base/modules/auxil/psb_s_ip_reord_mod.f90 b/base/modules/auxil/psb_s_ip_reord_mod.F90 similarity index 100% rename from base/modules/auxil/psb_s_ip_reord_mod.f90 rename to base/modules/auxil/psb_s_ip_reord_mod.F90 diff --git a/base/modules/auxil/psb_z_ip_reord_mod.f90 b/base/modules/auxil/psb_z_ip_reord_mod.F90 similarity index 100% rename from base/modules/auxil/psb_z_ip_reord_mod.f90 rename to base/modules/auxil/psb_z_ip_reord_mod.F90 diff --git a/base/serial/impl/psb_c_lbase_mat_impl.F90 b/base/serial/impl/psb_c_lbase_mat_impl.F90 new file mode 100644 index 00000000..f022c170 --- /dev/null +++ b/base/serial/impl/psb_c_lbase_mat_impl.F90 @@ -0,0 +1,2296 @@ +! +! Parallel Sparse BLAS version 3.5 +! (C) Copyright 2006-2018 +! Salvatore Filippone +! Alfredo Buttari +! +! Redistribution and use in source and binary forms, with or without +! modification, are permitted provided that the following conditions +! are met: +! 1. Redistributions of source code must retain the above copyright +! notice, this list of conditions and the following disclaimer. +! 2. Redistributions in binary form must reproduce the above copyright +! notice, this list of conditions, and the following disclaimer in the +! documentation and/or other materials provided with the distribution. +! 3. The name of the PSBLAS group or the names of its contributors may +! not be used to endorse or promote products derived from this +! software without specific written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! +! == ================================== +! +! +! +! Data management +! +! +! +! +! +! == ================================== + +subroutine psb_lc_base_cp_to_coo(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cp_to_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_lc_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_cp_to_coo + +subroutine psb_lc_base_cp_from_coo(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cp_from_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_lc_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_cp_from_coo + + +subroutine psb_lc_base_cp_to_fmt(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cp_to_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_lc_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_fmt' + logical, parameter :: debug=.false. + type(psb_lc_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_lc_coo_sparse_mat) + call a%cp_to_coo(b,info) + class default + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_cp_to_fmt + +subroutine psb_lc_base_cp_from_fmt(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cp_from_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_lc_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_fmt' + logical, parameter :: debug=.false. + type(psb_lc_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_lc_coo_sparse_mat) + call a%cp_from_coo(b,info) + class default + call b%cp_to_coo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_cp_from_fmt + + +subroutine psb_lc_base_mv_to_coo(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_mv_to_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_lc_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_to_coo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to coo') + goto 9999 + end if + + call a%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_mv_to_coo + +subroutine psb_lc_base_mv_from_coo(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_mv_from_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_lc_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_from_coo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='from coo') + goto 9999 + end if + + call b%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_mv_from_coo + + +subroutine psb_lc_base_mv_to_fmt(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_mv_to_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_lc_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_fmt' + logical, parameter :: debug=.false. + type(psb_lc_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_lc_coo_sparse_mat) + call a%mv_to_coo(b,info) + class default + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + + return + +end subroutine psb_lc_base_mv_to_fmt + +subroutine psb_lc_base_mv_from_fmt(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_mv_from_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_lc_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_fmt' + logical, parameter :: debug=.false. + type(psb_lc_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_lc_coo_sparse_mat) + call a%mv_from_coo(b,info) + class default + call b%mv_to_coo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + return + +end subroutine psb_lc_base_mv_from_fmt + +subroutine psb_lc_base_clean_zeros(a, info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_clean_zeros + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + integer(psb_ipk_), intent(out) :: info + ! + type(psb_lc_coo_sparse_mat) :: tmpcoo + + call a%mv_to_coo(tmpcoo,info) + if (info == 0) call tmpcoo%clean_zeros(info) + if (info == 0) call a%mv_from_coo(tmpcoo,info) + +end subroutine psb_lc_base_clean_zeros + + +subroutine psb_lc_base_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_csput_a + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + complex(psb_spk_), intent(in) :: val(:) + integer(psb_lpk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: gtl(:) + + integer(psb_ipk_) :: err_act + character(len=20) :: name='csput' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_csput_a + +subroutine psb_lc_base_csput_v(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_csput_v + use psb_c_base_vect_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_c_base_vect_type), intent(inout) :: val + class(psb_l_base_vect_type), intent(inout) :: ia, ja + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + + integer(psb_lpk_) :: nzin, nzout + integer(psb_ipk_) :: err_act + character(len=20) :: name='csput_v' + integer :: jmin_, jmax_ + logical :: append_, rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (allocated(val%v).and.allocated(ia%v).and.allocated(ja%v)) then + if (a%is_dev()) call a%sync() + if (val%is_dev()) call val%sync() + if (ia%is_dev()) call ia%sync() + if (ja%is_dev()) call ja%sync() + call a%csput_a(nz,ia%v,ja%v,val%v,imin,imax,jmin,jmax,info,gtl) + else + info = psb_err_invalid_mat_state_ + endif + if (info /= 0) then + call psb_errpush(info,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_csput_v + +subroutine psb_lc_base_csgetrow(imin,imax,a,nz,ia,ja,val,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_csgetrow + implicit none + + class(psb_lc_base_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + complex(psb_spk_), allocatable, intent(inout) :: val(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_csgetrow + + + +! +! Here we have the base implementation of getblk and clip: +! this is just based on the getrow. +! If performance is critical it can be overridden. +! +subroutine psb_lc_base_csgetblk(imin,imax,a,b,info,& + & jmin,jmax,iren,append,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_csgetblk + implicit none + + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_lc_coo_sparse_mat), intent(inout) :: b + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax + logical, intent(in), optional :: rscale,cscale + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout + character(len=20) :: name='csget' + integer(psb_lpk_) :: jmin_, jmax_ + logical :: append_, rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(append)) then + append_ = append + else + append_ = .false. + endif + if (append_) then + nzin = a%get_nzeros() + else + nzin = 0 + endif + if (present(rscale)) then + rscale_=rscale + else + rscale_=.false. + end if + if (present(cscale)) then + cscale_=cscale + else + cscale_=.false. + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if (append_.and.(rscale_.or.cscale_)) then + write(psb_err_unit,*) & + & 'lc_csgetblk: WARNING: dubious input: append_ and rscale_|cscale_' + end if + + if (rscale_) then + call b%set_nrows(imax-imin+1) + else + call b%set_nrows(max(min(imax,a%get_nrows()),b%get_nrows())) + end if + + if (cscale_) then + call b%set_ncols(jmax_-jmin_+1) + else + call b%set_ncols(max(min(jmax_,a%get_ncols()),b%get_ncols())) + end if + + call a%csget(imin,imax,nzout,b%ia,b%ja,b%val,info,& + & jmin=jmin, jmax=jmax, iren=iren, append=append_, & + & nzin=nzin, rscale=rscale, cscale=cscale) + + if (info /= psb_success_) goto 9999 + + call b%set_nzeros(nzin+nzout) + call b%fix(info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_csgetblk + + +subroutine psb_lc_base_csclip(a,b,info,& + & imin,imax,jmin,jmax,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_csclip + implicit none + + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_lc_coo_sparse_mat), intent(out) :: b + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + + integer(psb_lpk_) :: nzin, nzout, imin_, imax_, jmin_, jmax_, mb,nb + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + nzin = 0 + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = a%get_nrows() ! Should this be imax_ ?? + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = a%get_ncols() ! Should this be jmax_ ?? + endif + call b%allocate(mb,nb) + call a%csget(imin_,imax_,nzout,b%ia,b%ja,b%val,info,& + & jmin=jmin_, jmax=jmax_, append=.false., & + & nzin=nzin, rscale=rscale_, cscale=cscale_) + if (info /= psb_success_) goto 9999 + + call b%set_nzeros(nzin+nzout) + call b%fix(info) + + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_csclip + + +! +! Here we have the base implementation of tril and triu +! this is just based on the getrow. +! If performance is critical it can be overridden. +! +subroutine psb_lc_base_tril(a,l,info,& + & diag,imin,imax,jmin,jmax,rscale,cscale,u) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_tril + implicit none + + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_lc_coo_sparse_mat), intent(out) :: l + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + class(psb_lc_coo_sparse_mat), optional, intent(out) :: u + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout, i, j, k + integer(psb_lpk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz + integer(psb_lpk_), allocatable :: ia(:), ja(:) + complex(psb_spk_), allocatable :: val(:) + character(len=20) :: name='tril' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(diag)) then + diag_ = diag + else + diag_ = 0 + end if + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = imax_ + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = jmax_ + endif + + + nz = a%get_nzeros() + call l%allocate(mb,nb,nz) + + if (present(u)) then + nzlin = l%get_nzeros() ! At this point it should be 0 + call u%allocate(mb,nb,nz) + nzuin = u%get_nzeros() ! At this point it should be 0 + call psb_realloc(max(mb,nb),ia,info) + call psb_realloc(max(mb,nb),ja,info) + call psb_realloc(max(mb,nb),val,info) + do i=imin_,imax_ + call a%csget(i,i,nzout,ia,ja,val,info,& + & jmin=jmin_, jmax=jmax_) + do k=1, nzout + j = ja(k) + if (j-i<=diag_) then + nzlin = nzlin + 1 + l%ia(nzlin) = ia(k) + l%ja(nzlin) = ja(k) + l%val(nzlin) = val(k) + else + nzuin = nzuin + 1 + u%ia(nzuin) = ia(k) + u%ja(nzuin) = ja(k) + u%val(nzuin) = val(k) + end if + end do + end do + + call l%set_nzeros(nzlin) + call u%set_nzeros(nzuin) + call u%fix(info) + nzout = u%get_nzeros() + if (rscale_) & + & u%ia(1:nzout) = u%ia(1:nzout) - imin_ + 1 + if (cscale_) & + & u%ja(1:nzout) = u%ja(1:nzout) - jmin_ + 1 + if ((diag_ >= -1).and.(imin_ == jmin_)) then + call u%set_triangle(.true.) + call u%set_lower(.false.) + end if + else + nzin = l%get_nzeros() ! At this point it should be 0 + do i=imin_,imax_ + k = min(jmax_,i+diag_) + call a%csget(i,i,nzout,l%ia,l%ja,l%val,info,& + & jmin=jmin_, jmax=k, append=.true., & + & nzin=nzin) + if (info /= psb_success_) goto 9999 + call l%set_nzeros(nzin+nzout) + nzin = nzin+nzout + end do + end if + call l%fix(info) + nzout = l%get_nzeros() + if (rscale_) & + & l%ia(1:nzout) = l%ia(1:nzout) - imin_ + 1 + if (cscale_) & + & l%ja(1:nzout) = l%ja(1:nzout) - jmin_ + 1 + + if ((diag_ <= 0).and.(imin_ == jmin_)) then + call l%set_triangle(.true.) + call l%set_lower(.true.) + end if + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_tril + +subroutine psb_lc_base_triu(a,u,info,& + & diag,imin,imax,jmin,jmax,rscale,cscale,l) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_triu + implicit none + + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_lc_coo_sparse_mat), intent(out) :: u + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + class(psb_lc_coo_sparse_mat), optional, intent(out) :: l + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout, i, j, k + integer(psb_lpk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz + integer(psb_lpk_), allocatable :: ia(:), ja(:) + complex(psb_spk_), allocatable :: val(:) + character(len=20) :: name='triu' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(diag)) then + diag_ = diag + else + diag_ = 0 + end if + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = imax_ + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = jmax_ + endif + + + nz = a%get_nzeros() + call u%allocate(mb,nb,nz) + + if (present(l)) then + nzuin = u%get_nzeros() ! At this point it should be 0 + call l%allocate(mb,nb,nz) + nzlin = l%get_nzeros() ! At this point it should be 0 + call psb_realloc(max(mb,nb),ia,info) + call psb_realloc(max(mb,nb),ja,info) + call psb_realloc(max(mb,nb),val,info) + do i=imin_,imax_ + call a%csget(i,i,nzout,ia,ja,val,info,& + & jmin=jmin_, jmax=jmax_) + do k=1, nzout + j = ja(k) + if (j-i= 0).and.(imin_ == jmin_)) then + call u%set_triangle(.true.) + call u%set_upper(.true.) + end if + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_triu + + + +subroutine psb_lc_base_clone(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_clone + use psb_error_mod + implicit none + + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_lc_base_sparse_mat), allocatable, intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + info = 0 + if (allocated(b)) then + call b%free() + deallocate(b, stat=info) + end if + if (info /= 0) then + info = psb_err_alloc_dealloc_ + return + end if + + ! Do not use SOURCE allocation: this makes sure that + ! memory allocated elsewhere is treated properly. + allocate(b,mold=a,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call b%cp_from_fmt(a, info) + +end subroutine psb_lc_base_clone + +subroutine psb_lc_base_make_nonunit(a) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_make_nonunit + use psb_error_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + type(psb_lc_coo_sparse_mat) :: tmp + + integer(psb_ipk_) :: info + integer(psb_lpk_) :: i, j, m, n, nz, mnm + + if (a%is_unit()) then + call a%mv_to_coo(tmp,info) + if (info /= 0) return + m = tmp%get_nrows() + n = tmp%get_ncols() + mnm = min(m,n) + nz = tmp%get_nzeros() + call tmp%reallocate(nz+mnm) + do i=1, mnm + tmp%val(nz+i) = cone + tmp%ia(nz+i) = i + tmp%ja(nz+i) = i + end do + call tmp%set_nzeros(nz+mnm) + call tmp%set_unit(.false.) + call tmp%fix(info) + if (info /= 0) & + & call a%mv_from_coo(tmp,info) + end if + +end subroutine psb_lc_base_make_nonunit + +subroutine psb_lc_base_mold(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_mold + use psb_error_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_lc_base_sparse_mat), intent(inout), allocatable :: b + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_) :: err_act + character(len=20) :: name='base_mold' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_mold + +subroutine psb_lc_base_transp_2mat(a,b) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_transp_2mat + use psb_error_mod + implicit none + + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_lbase_sparse_mat), intent(out) :: b + + type(psb_lc_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='lc_base_transp' + + call psb_erractionsave(err_act) + + info = psb_success_ + select type(b) + class is (psb_lc_base_sparse_mat) + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call tmp%transp() + if (info == psb_success_) call b%mv_from_coo(tmp,info) + class default + info = psb_err_invalid_dynamic_type_ + end select + if (info /= psb_success_) then + call psb_errpush(info,name,a_err=b%get_fmt(),i_err=(/ione/)) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_transp_2mat + +subroutine psb_lc_base_transc_2mat(a,b) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_transc_2mat + implicit none + + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_lbase_sparse_mat), intent(out) :: b + + type(psb_lc_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='lc_base_transc' + + call psb_erractionsave(err_act) + + info = psb_success_ + select type(b) + class is (psb_lc_base_sparse_mat) + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call tmp%transc() + if (info == psb_success_) call b%mv_from_coo(tmp,info) + class default + info = psb_err_invalid_dynamic_type_ + end select + if (info /= psb_success_) then + call psb_errpush(info,name,a_err=b%get_fmt(),i_err=(/ione/)) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return +end subroutine psb_lc_base_transc_2mat + +subroutine psb_lc_base_transp_1mat(a) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_transp_1mat + use psb_error_mod + implicit none + + class(psb_lc_base_sparse_mat), intent(inout) :: a + + type(psb_lc_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='lc_base_transp' + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call tmp%transp() + if (info == psb_success_) call a%mv_from_coo(tmp,info) + + if (info /= psb_success_) then + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_transp_1mat + +subroutine psb_lc_base_transc_1mat(a) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_transc_1mat + implicit none + + class(psb_lc_base_sparse_mat), intent(inout) :: a + + type(psb_lc_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='lc_base_transc' + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call tmp%transc() + if (info == psb_success_) call a%mv_from_coo(tmp,info) + + if (info /= psb_success_) then + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_transc_1mat + + +! == ================================== +! +! +! +! Computational routines +! +! +! +! +! +! +! == ================================== + +subroutine psb_lc_base_csmm(alpha,a,x,beta,y,info,trans) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_csmm + use psb_error_mod + + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_base_csmm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_csmm + + +subroutine psb_lc_base_csmv(alpha,a,x,beta,y,info,trans) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_csmv + use psb_error_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:) + complex(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_base_csmv' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + + +end subroutine psb_lc_base_csmv + + +subroutine psb_lc_base_inner_cssm(alpha,a,x,beta,y,info,trans) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_inner_cssm + use psb_error_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_base_inner_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_inner_cssm + + +subroutine psb_lc_base_inner_cssv(alpha,a,x,beta,y,info,trans) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_inner_cssv + use psb_error_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:) + complex(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_base_inner_cssv' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_inner_cssv + + +subroutine psb_lc_base_cssm(alpha,a,x,beta,y,info,trans,scale,d) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cssm + use psb_error_mod + use psb_string_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + complex(psb_spk_), intent(in), optional :: d(:) + + complex(psb_spk_), allocatable :: tmp(:,:) + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='lc_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = min(size(x,2), size(y,2)) + if (size(x,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (size(y,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(d)) then + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (size(d,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + + allocate(tmp(nac,nc),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) then + do i=1, nac + tmp(i,1:nc) = d(i)*x(i,1:nc) + end do + end if + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmp,beta,y,info,trans) + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + + if (size(d,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + allocate(tmp(nar,nc),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(cone,x,czero,tmp,info,trans) + + if (info == psb_success_)then + do i=1, nar + tmp(i,1:nc) = d(i)*tmp(i,1:nc) + end do + end if + if (info == psb_success_) then + inar = nar + inc = nc + call psb_geaxpby(inar,inc,alpha,tmp,beta,y,info) + end if + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_cssm') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_cssm + + +subroutine psb_lc_base_cssv(alpha,a,x,beta,y,info,trans,scale,d) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cssv + use psb_error_mod + use psb_string_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:) + complex(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + complex(psb_spk_), intent(in), optional :: d(:) + + complex(psb_spk_), allocatable :: tmp(:) + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='lc_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = 1 + if (size(x,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (size(y,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(d)) then + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (size(d,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + + allocate(tmp(nac),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call inner_vscal(nac,d,x,tmp) + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmp,beta,y,info,trans) + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + if (size(d,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + if (beta == czero) then + call a%inner_spsm(alpha,x,czero,y,info,trans) + if (info == psb_success_) call inner_vscal1(nar,d,y) + else + allocate(tmp(nar),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(alpha,x,czero,tmp,info,trans) + + if (info == psb_success_) call inner_vscal1(nar,d,tmp) + if (info == psb_success_) then + inar = nar + call psb_geaxpby(inar,cone,tmp,beta,y,info) + end if + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return +contains + subroutine inner_vscal(n,d,x,y) + implicit none + integer(psb_lpk_), intent(in) :: n + complex(psb_spk_), intent(in) :: d(*),x(*) + complex(psb_spk_), intent(out) :: y(*) + integer(psb_lpk_) :: i + + do i=1,n + y(i) = d(i)*x(i) + end do + end subroutine inner_vscal + + + subroutine inner_vscal1(n,d,x) + implicit none + integer(psb_lpk_), intent(in) :: n + complex(psb_spk_), intent(in) :: d(*) + complex(psb_spk_), intent(inout) :: x(*) + integer(psb_lpk_) :: i + + do i=1,n + x(i) = d(i)*x(i) + end do + end subroutine inner_vscal1 + +end subroutine psb_lc_base_cssv + + +subroutine psb_lc_base_scals(d,a,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_scals + use psb_error_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + complex(psb_spk_), intent(in) :: d + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_scals' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_scals + + + +subroutine psb_lc_base_scal(d,a,info,side) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_scal + use psb_error_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + complex(psb_spk_), intent(in) :: d(:) + integer(psb_ipk_), intent(out) :: info + character, intent(in), optional :: side + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_scal' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_scal + + + +function psb_lc_base_maxval(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_maxval + + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='maxval' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + res = szero + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end function psb_lc_base_maxval + + +function psb_lc_base_csnmi(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_realloc_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_csnmi + + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='csnmi' + real(psb_spk_), allocatable :: vt(:) + + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + res = szero + call psb_realloc(a%get_nrows(),vt,info) + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + call a%arwsum(vt) + res = maxval(vt) + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end function psb_lc_base_csnmi + +function psb_lc_base_csnm1(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_realloc_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_csnm1 + + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='csnm1' + real(psb_spk_), allocatable :: vt(:) + + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + res = szero + call psb_realloc(a%get_ncols(),vt,info) + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + call a%aclsum(vt) + res = maxval(vt) + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end function psb_lc_base_csnm1 + +subroutine psb_lc_base_rowsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_rowsum + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_rowsum + +subroutine psb_lc_base_arwsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_arwsum + class(psb_lc_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='arwsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_arwsum + +subroutine psb_lc_base_colsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_colsum + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='colsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_colsum + +subroutine psb_lc_base_aclsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_aclsum + class(psb_lc_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='aclsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_aclsum + + +subroutine psb_lc_base_get_diag(a,d,info) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_get_diag + + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(out) :: d(:) + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='get_diag' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_get_diag + + +! == ================================== +! +! +! +! Computational routines for lc_VECT +! variables. If the actual data type is +! a "normal" one, these are sufficient. +! +! +! +! +! == ================================== + + + +subroutine psb_lc_base_vect_mv(alpha,a,x,beta,y,info,trans) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_vect_mv + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta + class(psb_c_base_vect_type), intent(inout) :: x + class(psb_c_base_vect_type), intent(inout) :: y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + ! For the time being we just throw everything back + ! onto the normal routines. + call x%sync() + call y%sync() + call a%spmm(alpha,x%v,beta,y%v,info,trans) + call y%set_host() +end subroutine psb_lc_base_vect_mv + +subroutine psb_lc_base_vect_cssv(alpha,a,x,beta,y,info,trans,scale,d) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_vect_cssv + use psb_c_base_vect_mod + use psb_error_mod + use psb_string_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta + class(psb_c_base_vect_type), intent(inout) :: x,y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + class(psb_c_base_vect_type), intent(inout),optional :: d + + complex(psb_spk_), allocatable :: tmp(:) + class(psb_c_base_vect_type), allocatable :: tmpv + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='lc_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = 1 + if (x%get_nrows() < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (y%get_nrows() < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + call x%sync() + call y%sync() + if (present(d)) then + call d%sync() + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (d%get_nrows() < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + allocate(tmpv, mold=y,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call tmpv%mlt(cone,d%v(1:nac),x,czero,info) + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmpv,beta,y,info,trans) + + if (info == psb_success_) then + call tmpv%free(info) + if (info == psb_success_) deallocate(tmpv,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + if (d%get_nrows() < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + if (beta == czero) then + call a%inner_spsm(alpha,x,czero,y,info,trans) + if (info == psb_success_) call y%mlt(d%v(1:nar),info) + + else + allocate(tmpv, mold=y,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(alpha,x,czero,tmpv,info,trans) + + if (info == psb_success_) call tmpv%mlt(d%v(1:nar),info) + if (info == psb_success_) then + inar = nar + call y%axpby(inar,cone,tmpv,beta,info) + end if + if (info == psb_success_) then + call tmpv%free(info) + if (info == psb_success_) deallocate(tmpv,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_vect_cssv + + +subroutine psb_lc_base_inner_vect_sv(alpha,a,x,beta,y,info,trans) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_inner_vect_sv + use psb_error_mod + use psb_string_mod + use psb_c_base_vect_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta + class(psb_c_base_vect_type), intent(inout) :: x, y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_base_inner_vect_sv' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%inner_spsm(alpha,x%v,beta,y%v,info,trans) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_inner_vect_sv + + + + +subroutine psb_lc_base_cp_to_icoo(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cp_to_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_c_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_cp_to_icoo + +subroutine psb_lc_base_cp_from_icoo(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cp_from_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_c_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lc_base_cp_from_icoo + + +subroutine psb_lc_base_cp_to_ifmt(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cp_to_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(in) :: a + class(psb_c_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_ifmt' + logical, parameter :: debug=.false. + type(psb_c_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_c_coo_sparse_mat) + call a%cp_to_icoo(b,info) + class default + call a%cp_to_icoo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_cp_to_ifmt + +subroutine psb_lc_base_cp_from_ifmt(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_cp_from_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_c_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_ifmt' + logical, parameter :: debug=.false. + type(psb_lc_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_c_coo_sparse_mat) + call a%cp_from_icoo(b,info) + class default + call b%cp_to_lcoo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_cp_from_ifmt + + +subroutine psb_lc_base_mv_to_icoo(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_mv_to_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_c_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_icoo' + logical, parameter :: debug=.false. + + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_to_icoo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to coo') + goto 9999 + end if + + call a%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_mv_to_icoo + +subroutine psb_lc_base_mv_from_icoo(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_mv_from_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_c_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_icoo' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_from_icoo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='from coo') + goto 9999 + end if + + call b%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_base_mv_from_icoo + + +subroutine psb_lc_base_mv_to_ifmt(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_mv_to_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_c_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_ifmt' + logical, parameter :: debug=.false. + type(psb_c_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_c_coo_sparse_mat) + call a%mv_to_icoo(b,info) + class default + call a%mv_to_icoo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + + return + +end subroutine psb_lc_base_mv_to_ifmt + +subroutine psb_lc_base_mv_from_ifmt(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_base_mv_from_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lc_base_sparse_mat), intent(inout) :: a + class(psb_c_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_ifmt' + logical, parameter :: debug=.false. + type(psb_lc_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_c_coo_sparse_mat) + call a%mv_from_icoo(b,info) + class default + call b%mv_to_lcoo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + return + +end subroutine psb_lc_base_mv_from_ifmt + + + + + + diff --git a/base/serial/impl/psb_c_lcoo_impl.f90 b/base/serial/impl/psb_c_lcoo_impl.f90 new file mode 100644 index 00000000..38fd1c38 --- /dev/null +++ b/base/serial/impl/psb_c_lcoo_impl.f90 @@ -0,0 +1,4125 @@ +! +! Parallel Sparse BLAS version 3.5 +! (C) Copyright 2006-2018 +! Salvatore Filippone +! Alfredo Buttari +! +! Redistribution and use in source and binary forms, with or without +! modification, are permitted provided that the following conditions +! are met: +! 1. Redistributions of source code must retain the above copyright +! notice, this list of conditions and the following disclaimer. +! 2. Redistributions in binary form must reproduce the above copyright +! notice, this list of conditions, and the following disclaimer in the +! documentation and/or other materials provided with the distribution. +! 3. The name of the PSBLAS group or the names of its contributors may +! not be used to endorse or promote products derived from this +! software without specific written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! + +subroutine psb_lc_coo_get_diag(a,d,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_get_diag + use psb_error_mod + use psb_const_mod + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(out) :: d(:) + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j + character(len=20) :: name='get_diag' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + mnm = min(a%get_nrows(),a%get_ncols()) + if (size(d) < mnm) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + if (a%is_unit()) then + d(1:mnm) = cone + else + d(1:mnm) = czero + do i=1,a%get_nzeros() + j=a%ia(i) + if ((j == a%ja(i)) .and.(j <= mnm ) .and.(j>0)) then + d(j) = a%val(i) + endif + enddo + end if + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_get_diag + + +subroutine psb_lc_coo_scal(d,a,info,side) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_scal + use psb_error_mod + use psb_const_mod + use psb_string_mod + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + complex(psb_spk_), intent(in) :: d(:) + integer(psb_ipk_), intent(out) :: info + character, intent(in), optional :: side + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j, m + character(len=20) :: name='scal' + character :: side_ + logical :: left + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + call a%make_nonunit() + end if + + side_ = 'L' + if (present(side)) then + side_ = psb_toupper(side) + end if + + left = (side_ == 'L') + + if (left) then + m = a%get_nrows() + if (size(d) < m) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + do i=1,a%get_nzeros() + j = a%ia(i) + a%val(i) = a%val(i) * d(j) + enddo + else + m = a%get_ncols() + if (size(d) < m) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + do i=1,a%get_nzeros() + j = a%ja(i) + a%val(i) = a%val(i) * d(j) + enddo + end if + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_scal + + +subroutine psb_lc_coo_scals(d,a,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_scals + use psb_error_mod + use psb_const_mod + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + complex(psb_spk_), intent(in) :: d + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j, m + character(len=20) :: name='scal' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + call a%make_nonunit() + end if + + do i=1,a%get_nzeros() + a%val(i) = a%val(i) * d + enddo + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_scals + + +subroutine psb_lc_coo_reallocate_nz(nz,a) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_reallocate_nz + use psb_error_mod + use psb_realloc_mod + implicit none + integer(psb_lpk_), intent(in) :: nz + class(psb_lc_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz_ + character(len=20) :: name='lc_coo_reallocate_nz' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + nz_ = max(nz,ione) + call psb_realloc(nz_,a%ia,info) + if (info == psb_success_) call psb_realloc(nz_,a%ja,info) + if (info == psb_success_) call psb_realloc(nz_,a%val,info) + + if (info /= psb_success_) then + call psb_errpush(psb_err_alloc_dealloc_,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_reallocate_nz + +subroutine psb_lc_coo_mold(a,b,info) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_mold + use psb_error_mod + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + class(psb_lc_base_sparse_mat), intent(inout), allocatable :: b + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_) :: err_act + character(len=20) :: name='coo_mold' + logical, parameter :: debug=.false. + + call psb_get_erraction(err_act) + + info = 0 + if (allocated(b)) then + call b%free() + deallocate(b,stat=info) + end if + if (info == 0) allocate(psb_lc_coo_sparse_mat :: b, stat=info) + + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info, name) + goto 9999 + end if + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_mold + +subroutine psb_lc_coo_reinit(a,clear) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_reinit + use psb_error_mod + implicit none + + class(psb_lc_coo_sparse_mat), intent(inout) :: a + logical, intent(in), optional :: clear + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='reinit' + logical :: clear_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + + if (present(clear)) then + clear_ = clear + else + clear_ = .true. + end if + + if (a%is_dev()) call a%sync() + if (a%is_bld() .or. a%is_upd()) then + ! do nothing + return + else if (a%is_asb()) then + if (clear_) a%val(:) = czero + call a%set_host() + call a%set_upd() + else + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_reinit + + + +subroutine psb_lc_coo_trim(a) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_trim + use psb_realloc_mod + use psb_error_mod + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz + character(len=20) :: name='trim' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + nz = a%get_nzeros() + if (info == psb_success_) call psb_realloc(nz,a%ia,info) + if (info == psb_success_) call psb_realloc(nz,a%ja,info) + if (info == psb_success_) call psb_realloc(nz,a%val,info) + + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_trim + +subroutine psb_lc_coo_clean_zeros(a, info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_clean_zeros + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: info + ! + integer(psb_lpk_) :: i,j,k, nzin + + info = 0 + nzin = a%get_nzeros() + j = 0 + do i=1, nzin + if (a%val(i) /= czero) then + j = j + 1 + a%val(j) = a%val(i) + a%ia(j) = a%ia(i) + a%ja(j) = a%ja(i) + end if + end do + call a%set_nzeros(j) + call a%trim() +end subroutine psb_lc_coo_clean_zeros + + + +subroutine psb_lc_coo_allocate_mnnz(m,n,a,nz) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_allocate_mnnz + use psb_error_mod + use psb_realloc_mod + implicit none + integer(psb_lpk_), intent(in) :: m,n + class(psb_lc_coo_sparse_mat), intent(inout) :: a + integer(psb_lpk_), intent(in), optional :: nz + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz_ + character(len=20) :: name='allocate_mnz' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + if (m < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/ione,izero/)) + goto 9999 + endif + if (n < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/2_psb_ipk_,izero/)) + goto 9999 + endif + if (present(nz)) then + nz_ = max(nz,ione) + else + nz_ = max(7*m,7*n,ione) + end if + if (nz_ < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/3_psb_ipk_,izero/)) + goto 9999 + endif + if (info == psb_success_) call psb_realloc(nz_,a%ia,info) + if (info == psb_success_) call psb_realloc(nz_,a%ja,info) + if (info == psb_success_) call psb_realloc(nz_,a%val,info) + if (info == psb_success_) then + call a%set_nrows(m) + call a%set_ncols(n) + call a%set_nzeros(lzero) + call a%set_bld() + call a%set_triangle(.false.) + call a%set_unit(.false.) + call a%set_dupl(psb_dupl_def_) + ! An empty matrix is sorted! + call a%set_sorted(.true.) + call a%set_host() + end if + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_allocate_mnnz + + + +subroutine psb_lc_coo_print(iout,a,iv,head,ivr,ivc) + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_print + use psb_string_mod + implicit none + + integer(psb_ipk_), intent(in) :: iout + class(psb_lc_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in), optional :: iv(:) + character(len=*), optional :: head + integer(psb_lpk_), intent(in), optional :: ivr(:), ivc(:) + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_coo_print' + logical, parameter :: debug=.false. + + character(len=*), parameter :: datatype='complex' + character(len=80) :: frmtv + integer(psb_lpk_) :: i,j, nmx, ni, nr, nc, nz + + write(iout,'(a)') '%%MatrixMarket matrix coordinate complex general' + if (present(head)) write(iout,'(a,a)') '% ',head + write(iout,'(a)') '%' + write(iout,'(a,a)') '% COO' + + if (a%is_dev()) call a%sync() + + nr = a%get_nrows() + nc = a%get_ncols() + nz = a%get_nzeros() + nmx = max(nr,nc,1) + if (present(iv)) nmx = max(nmx,maxval(abs(iv))) + if (present(ivr)) nmx = max(nmx,maxval(abs(ivr))) + if (present(ivc)) nmx = max(nmx,maxval(abs(ivc))) + ni = floor(log10(1.0*nmx)) + 1 + + if (datatype=='real') then + write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),es26.18,1x,2(i',ni,',1x))' + else + write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),2(es26.18,1x),2(i',ni,',1x))' + end if + write(iout,*) nr, nc, nz + if(present(iv)) then + do j=1,a%get_nzeros() + write(iout,frmtv) iv(a%ia(j)),iv(a%ja(j)),a%val(j) + enddo + else + if (present(ivr).and..not.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) ivr(a%ia(j)),a%ja(j),a%val(j) + enddo + else if (present(ivr).and.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) ivr(a%ia(j)),ivc(a%ja(j)),a%val(j) + enddo + else if (.not.present(ivr).and.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) a%ia(j),ivc(a%ja(j)),a%val(j) + enddo + else if (.not.present(ivr).and..not.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) a%ia(j),a%ja(j),a%val(j) + enddo + endif + endif + +end subroutine psb_lc_coo_print + + + + +function psb_lc_coo_get_nz_row(idx,a) result(res) + use psb_const_mod + use psb_sort_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_get_nz_row + implicit none + + class(psb_lc_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: idx + integer(psb_lpk_) :: res + integer(psb_lpk_) :: nzin_, nza,ip,jp,i,k + integer(psb_ipk_) :: inza + + if (a%is_dev()) call a%sync() + res = 0 + nza = a%get_nzeros() + if (a%is_by_rows()) then + ! In this case we can do a binary search. + inza = nza + ip = psb_bsrch(idx,inza,a%ia) + if (ip /= -1) return + jp = ip + do + if (ip < 2) exit + if (a%ia(ip-1) == idx) then + ip = ip -1 + else + exit + end if + end do + do + if (jp == nza) exit + if (a%ia(jp+1) == idx) then + jp = jp + 1 + else + exit + end if + end do + + res = jp - ip +1 + + else + + res = 0 + + do i=1, nza + if (a%ia(i) == idx) then + res = res + 1 + end if + end do + + end if + +end function psb_lc_coo_get_nz_row + +subroutine psb_lc_coo_cssm(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_cssm + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + complex(psb_spk_) :: acc + complex(psb_spk_), allocatable :: tmp(:,:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_base_csmm' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + if (a%is_dev()) call a%sync() + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + m = a%get_nrows() + if (size(x,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nc = min(size(x,2) , size(y,2)) + nnz = a%get_nzeros() + + if (alpha == czero) then + if (beta == czero) then + do i = 1, m + y(i,1:nc) = czero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + return + end if + + if (beta == czero) then + call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & m,nc,nnz,a%ia,a%ja,a%val,& + & x,size(x,1,kind=psb_lpk_),y,size(y,1,kind=psb_lpk_),info) + do i = 1, m + y(i,1:nc) = alpha*y(i,1:nc) + end do + else + allocate(tmp(m,nc), stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & m,nc,nnz,a%ia,a%ja,a%val,& + & x,size(x,1,kind=psb_lpk_),tmp,size(tmp,1,kind=psb_lpk_),info) + do i = 1, m + y(i,1:nc) = alpha*tmp(i,1:nc) + beta*y(i,1:nc) + end do + end if + + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='inner_coosm') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + + +contains + + subroutine inner_coosm(tra,ctra,lower,unit,sorted,nr,nc,nz,& + & ia,ja,val,x,ldx,y,ldy,info) + implicit none + logical, intent(in) :: tra,ctra,lower,unit,sorted + integer(psb_lpk_), intent(in) :: nr,nc,nz,ldx,ldy,ia(*),ja(*) + complex(psb_spk_), intent(in) :: val(*), x(ldx,*) + complex(psb_spk_), intent(out) :: y(ldy,*) + integer(psb_ipk_), intent(out) :: info + + integer(psb_lpk_) :: i,j,k,m, ir, jc + complex(psb_spk_), allocatable :: acc(:) + + info = psb_success_ + allocate(acc(nc), stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + return + end if + + + if (.not.sorted) then + info = psb_err_invalid_mat_state_ + return + end if + + nnz = nz + + + if ((.not.tra).and.(.not.ctra)) then + + if (lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = czero + do + if (j > nnz) exit + if (ia(j) > i) exit + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j + 1 + end do + y(i,1:nc) = x(i,1:nc) - acc(1:nc) + end do + else if (.not.unit) then + j = 1 + do i=1, nr + acc(1:nc) = czero + do + if (j > nnz) exit + if (ia(j) > i) exit + if (ja(j) == i) then + y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j) + j = j + 1 + exit + end if + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j + 1 + end do + end do + end if + + else if (.not.lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = czero + do + if (j < 1) exit + if (ia(j) < i) exit + acc(1:nc) = acc(1:nc) + val(j)*x(ja(j),1:nc) + j = j - 1 + end do + y(i,1:nc) = x(i,1:nc) - acc(1:nc) + end do + + else if (.not.unit) then + + j = nnz + do i=nr, 1, -1 + acc(1:nc) = czero + do + if (j < 1) exit + if (ia(j) < i) exit + if (ja(j) == i) then + y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j) + j = j - 1 + exit + end if + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j - 1 + end do + end do + end if + + end if + + else if (tra) then + + do i=1, nr + y(i,1:nc) = x(i,1:nc) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) /val(j) + j = j - 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) /val(j) + j = j + 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j + 1 + end do + end do + end if + end if + end if + + else if (ctra) then + + do i=1, nr + y(i,1:nc) = x(i,1:nc) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - conjg(val(j))*acc(1:nc) + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) / conjg(val(j)) + j = j - 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - conjg(val(j))*acc(1:nc) + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - conjg(val(j))*acc(1:nc) + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) / conjg(val(j)) + j = j + 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - conjg(val(j))*acc(1:nc) + j = j + 1 + end do + end do + end if + end if + end if + + end if + end subroutine inner_coosm + +end subroutine psb_lc_coo_cssm + + + +subroutine psb_lc_coo_cssv(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_cssv + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:) + complex(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc + complex(psb_spk_) :: acc + complex(psb_spk_), allocatable :: tmp(:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_coo_cssv_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + if (a%is_dev()) call a%sync() + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + m = a%get_nrows() + if (size(x,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + + if (alpha == czero) then + if (beta == czero) then + do i = 1, m + y(i) = czero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + return + end if + + if (beta == czero) then + call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,& + & x,y,info) + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + do i = 1, m + y(i) = alpha*y(i) + end do + else + allocate(tmp(m), stat=info) + if (info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,& + & x,tmp,info) + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + do i = 1, m + y(i) = alpha*tmp(i) + beta*y(i) + end do + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +contains + + subroutine inner_coosv(tra,ctra,lower,unit,sorted,nr,nz,& + & ia,ja,val,x,y,info) + implicit none + logical, intent(in) :: tra,ctra,lower,unit,sorted + integer(psb_lpk_), intent(in) :: nr,nz,ia(*),ja(*) + complex(psb_spk_), intent(in) :: val(*), x(*) + complex(psb_spk_), intent(out) :: y(*) + integer(psb_ipk_), intent(out) :: info + + integer(psb_lpk_) :: i,j,k,m, ir, jc, nnz + complex(psb_spk_) :: acc + + info = psb_success_ + if (.not.sorted) then + info = psb_err_invalid_mat_state_ + return + end if + + nnz = nz + + if ((.not.tra).and.(.not.ctra)) then + + if (lower) then + if (unit) then + j = 1 + do i=1, nr + acc = czero + do + if (j > nnz) exit + if (ia(j) > i) exit + acc = acc + val(j)*y(ja(j)) + j = j + 1 + end do + y(i) = x(i) - acc + end do + else if (.not.unit) then + j = 1 + do i=1, nr + acc = czero + do + if (j > nnz) exit + if (ia(j) > i) exit + if (ja(j) == i) then + y(i) = (x(i) - acc)/val(j) + j = j + 1 + exit + end if + acc = acc + val(j)*y(ja(j)) + j = j + 1 + end do + end do + end if + + else if (.not.lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = czero + do + if (j < 1) exit + if (ia(j) < i) exit + acc = acc + val(j)*y(ja(j)) + j = j - 1 + end do + y(i) = x(i) - acc + end do + + else if (.not.unit) then + + j = nnz + do i=nr, 1, -1 + acc = czero + do + if (j < 1) exit + if (ia(j) < i) exit + if (ja(j) == i) then + y(i) = (x(i) - acc)/val(j) + j = j - 1 + exit + end if + acc = acc + val(j)*y(ja(j)) + j = j - 1 + end do + end do + end if + + end if + + else if (tra) then + + do i=1, nr + y(i) = x(i) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i) = y(i) /val(j) + j = j - 1 + end if + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i) = y(i) /val(j) + j = j + 1 + end if + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j + 1 + end do + end do + end if + end if + end if + + else if (ctra) then + + do i=1, nr + y(i) = x(i) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - conjg(val(j))*acc + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i) = y(i) /conjg(val(j)) + j = j - 1 + end if + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - conjg(val(j))*acc + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - conjg(val(j))*acc + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i) = y(i) /conjg(val(j)) + j = j + 1 + end if + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - conjg(val(j))*acc + j = j + 1 + end do + end do + end if + end if + end if + end if + + end subroutine inner_coosv + + +end subroutine psb_lc_coo_cssv + +subroutine psb_lc_coo_csmv(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_csmv + implicit none + + class(psb_lc_coo_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:) + complex(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc + complex(psb_spk_) :: acc + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_coo_csmv_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + if (a%is_dev()) call a%sync() + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + + + if (tra.or.ctra) then + m = a%get_ncols() + n = a%get_nrows() + else + n = a%get_ncols() + m = a%get_nrows() + end if + if (size(x,1) < n) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),n/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nnz = a%get_nzeros() + + if (alpha == czero) then + if (beta == czero) then + do i = 1, m + y(i) = czero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + return + else + if (a%is_unit()) then + if (beta == czero) then + do i = 1, min(m,n) + y(i) = alpha*x(i) + enddo + do i = min(m,n)+1, m + y(i) = czero + enddo + else + do i = 1, min(m,n) + y(i) = beta*y(i) + alpha*x(i) + end do + do i = min(m,n)+1, m + y(i) = beta*y(i) + enddo + endif + else + if (beta == czero) then + do i = 1, m + y(i) = czero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + + endif + + end if + + if ((.not.tra).and.(.not.ctra)) then + i = 1 + j = i + if (nnz > 0) then + ir = a%ia(1) + acc = czero + do + if (i>nnz) then + y(ir) = y(ir) + alpha * acc + exit + endif + if (a%ia(i) /= ir) then + y(ir) = y(ir) + alpha * acc + ir = a%ia(i) + acc = czero + endif + acc = acc + a%val(i) * x(a%ja(i)) + i = i + 1 + enddo + end if + + else if (tra) then + + if (alpha == cone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + a%val(i)*x(jc) + enddo + + else if (alpha == -cone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) - a%val(i)*x(jc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + alpha*a%val(i)*x(jc) + enddo + + end if !.....end testing on alpha + + else if (ctra) then + + if (alpha == cone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + conjg(a%val(i))*x(jc) + enddo + + else if (alpha == -cone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) - conjg(a%val(i))*x(jc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + alpha*conjg(a%val(i))*x(jc) + enddo + + end if !.....end testing on alpha + + endif + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_csmv + + +subroutine psb_lc_coo_csmm(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_csmm + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + complex(psb_spk_), allocatable :: acc(:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_coo_csmm_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + if (a%is_dev()) call a%sync() + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + + + if (tra.or.ctra) then + m = a%get_ncols() + n = a%get_nrows() + else + n = a%get_ncols() + m = a%get_nrows() + end if + if (size(x,1) < n) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),n/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nnz = a%get_nzeros() + + nc = min(size(x,2), size(y,2)) + allocate(acc(nc),stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + + if (alpha == czero) then + if (beta == czero) then + do i = 1, m + y(i,1:nc) = czero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + return + else + if (a%is_unit()) then + if (beta == czero) then + do i = 1, min(m,n) + y(i,1:nc) = alpha*x(i,1:nc) + enddo + do i = min(m,n)+1, m + y(i,1:nc) = czero + enddo + else + do i = 1, min(m,n) + y(i,1:nc) = beta*y(i,1:nc) + alpha*x(i,1:nc) + end do + do i = min(m,n)+1, m + y(i,1:nc) = beta*y(i,1:nc) + enddo + endif + else + if (beta == czero) then + do i = 1, m + y(i,1:nc) = czero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + + endif + + end if + + if (.not.tra) then + i = 1 + j = i + if (nnz > 0) then + ir = a%ia(1) + acc = czero + do + if (i>nnz) then + y(ir,1:nc) = y(ir,1:nc) + alpha * acc + exit + endif + if (a%ia(i) /= ir) then + y(ir,1:nc) = y(ir,1:nc) + alpha * acc + ir = a%ia(i) + acc = czero + endif + acc = acc + a%val(i) * x(a%ja(i),1:nc) + i = i + 1 + enddo + end if + + else if (tra) then + + if (alpha == cone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + a%val(i)*x(jc,1:nc) + enddo + + else if (alpha == -cone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) - a%val(i)*x(jc,1:nc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + alpha*a%val(i)*x(jc,1:nc) + enddo + + end if !.....end testing on alpha + + else if (ctra) then + + if (alpha == cone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + conjg(a%val(i))*x(jc,1:nc) + enddo + + else if (alpha == -cone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) - conjg(a%val(i))*x(jc,1:nc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + alpha*conjg(a%val(i))*x(jc,1:nc) + enddo + + end if !.....end testing on alpha + + endif + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_csmm + +function psb_lc_coo_maxval(a) result(res) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_maxval + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_ipk_) :: info + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + character(len=20) :: name='lc_coo_maxval' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + res = sone + else + res = szero + end if + nnz = a%get_nzeros() + if (allocated(a%val)) then + nnz = min(nnz,size(a%val)) + res = maxval(abs(a%val(1:nnz))) + end if + +end function psb_lc_coo_maxval + +function psb_lc_coo_csnmi(a) result(res) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_csnmi + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra, is_unit + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='lc_coo_csnmi' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + res = szero + nnz = a%get_nzeros() + is_unit = a%is_unit() + if (a%is_by_rows()) then + i = 1 + j = i + res = szero + do while (i<=nnz) + do while ((a%ia(j) == a%ia(i)).and. (j <= nnz)) + j = j+1 + enddo + if (is_unit) then + acc = sone + else + acc = szero + end if + do k=i, j-1 + acc = acc + abs(a%val(k)) + end do + res = max(res,acc) + i = j + end do + else + m = a%get_nrows() + allocate(vt(m),stat=info) + if (info /= 0) return + if (is_unit) then + vt = sone + else + vt = szero + end if + do j=1, nnz + i = a%ia(j) + vt(i) = vt(i) + abs(a%val(j)) + end do + res = maxval(vt(1:m)) + deallocate(vt,stat=info) + end if + +end function psb_lc_coo_csnmi + + +function psb_lc_coo_csnm1(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_csnm1 + + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='lc_coo_csnm1' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + res = szero + nnz = a%get_nzeros() + n = a%get_ncols() + allocate(vt(n),stat=info) + if (info /= 0) return + if (a%is_unit()) then + vt = sone + else + vt = szero + end if + do j=1, nnz + i = a%ja(j) + vt(i) = vt(i) + abs(a%val(j)) + end do + res = maxval(vt(1:n)) + deallocate(vt,stat=info) + + return + +end function psb_lc_coo_csnm1 + +subroutine psb_lc_coo_rowsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_rowsum + class(psb_lc_coo_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + complex(psb_spk_) :: acc + complex(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + m = a%get_nrows() + + if (size(d) < m) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),m/)) + goto 9999 + end if + + if (a%is_unit()) then + d = cone + else + d = czero + end if + nnz = a%get_nzeros() + do j=1, nnz + i = a%ia(j) + d(i) = d(i) + a%val(j) + end do + + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_rowsum + +subroutine psb_lc_coo_arwsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_arwsum + class(psb_lc_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + m = a%get_nrows() + if (size(d) < m) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),m/)) + goto 9999 + end if + + if (a%is_unit()) then + d = sone + else + d = szero + end if + nnz = a%get_nzeros() + do j=1, nnz + i = a%ia(j) + d(i) = d(i) + abs(a%val(j)) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_arwsum + +subroutine psb_lc_coo_colsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_colsum + class(psb_lc_coo_sparse_mat), intent(in) :: a + complex(psb_spk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + complex(psb_spk_) :: acc + complex(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='colsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + n = a%get_ncols() + if (size(d) < n) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),n/)) + goto 9999 + end if + + if (a%is_unit()) then + d = cone + else + d = czero + end if + + nnz = a%get_nzeros() + do j=1, nnz + k = a%ja(j) + d(k) = d(k) + a%val(j) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_colsum + +subroutine psb_lc_coo_aclsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_aclsum + class(psb_lc_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='aclsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + n = a%get_ncols() + if (size(d) < n) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),n/)) + goto 9999 + end if + + + if (a%is_unit()) then + d = sone + else + d = szero + end if + + nnz = a%get_nzeros() + do j=1, nnz + k = a%ja(j) + d(k) = d(k) + abs(a%val(j)) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_aclsum + + + +! == ================================== +! +! +! +! Data management +! +! +! +! +! +! == ================================== + + + +subroutine psb_lc_coo_csgetptn(imin,imax,a,nz,ia,ja,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_csgetptn + implicit none + + class(psb_lc_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + + logical :: append_, rscale_, cscale_ + integer(psb_lpk_) :: nzin_, jmin_, jmax_, i + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + info = psb_success_ + nz = 0 + + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if ((imax= psb_debug_serial_)& + & write(debug_unit,*) trim(name), ': srtdcoo ' + do + ip = psb_bsrch(irw,inza,a%ia) + if (ip /= -1) exit + irw = irw + 1 + if (irw > imax) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error? ',& + & irw,lrw,imin + exit + end if + end do + + if (ip /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (ip < 2) exit + if (a%ia(ip-1) == irw) then + ip = ip -1 + else + exit + end if + end do + + end if + + do + jp = psb_bsrch(lrw,inza,a%ia) + if (jp /= -1) exit + lrw = lrw - 1 + if (irw > lrw) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error?' + exit + end if + end do + + if (jp /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (jp == nza) exit + if (a%ia(jp+1) == lrw) then + jp = jp + 1 + else + exit + end if + end do + end if + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': ip jp',ip,jp,nza + if ((ip /= -1) .and.(jp /= -1)) then + ! Now do the copy. + nzt = jp - ip +1 + nz = 0 + + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + if (present(iren)) then + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nzin_ = nzin_ + 1 + nz = nz + 1 + ia(nzin_) = iren(a%ia(i)) + ja(nzin_) = iren(a%ja(i)) + end if + enddo + else + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nzin_ = nzin_ + 1 + nz = nz + 1 + ia(nzin_) = a%ia(i) + ja(nzin_) = a%ja(i) + end if + enddo + end if + else + nz = 0 + end if + + else + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': unsorted ' + + nrd = max(a%get_nrows(),1) + nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1) + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + if (present(iren)) then + k = 0 + do i=1, a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + end if + ia(nzin_+k) = iren(a%ia(i)) + ja(nzin_+k) = iren(a%ja(i)) + endif + enddo + else + k = 0 + do i=1,a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + end if + ia(nzin_+k) = (a%ia(i)) + ja(nzin_+k) = (a%ja(i)) + endif + enddo + nzin_=nzin_+k + end if + nz = k + end if + + end subroutine coo_getptn + +end subroutine psb_lc_coo_csgetptn + + +! +! NZ is the number of non-zeros on output. +! The output is guaranteed to be sorted +! +subroutine psb_lc_coo_csgetrow(imin,imax,a,nz,ia,ja,val,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_csgetrow + implicit none + + class(psb_lc_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + complex(psb_spk_), allocatable, intent(inout) :: val(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + + logical :: append_, rscale_, cscale_ + integer(psb_lpk_) :: nzin_, jmin_, jmax_, i + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + info = psb_success_ + nz = 0 + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if ((imax= psb_debug_serial_)& + & write(debug_unit,*) trim(name), ': srtdcoo ' + do + ip = psb_bsrch(irw,inza,a%ia) + if (ip /= -1) exit + irw = irw + 1 + if (irw > imax) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error? ',& + & irw,lrw,imin + exit + end if + end do + + if (ip /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (ip < 2) exit + if (a%ia(ip-1) == irw) then + ip = ip -1 + else + exit + end if + end do + + end if + + do + jp = psb_bsrch(lrw,inza,a%ia) + if (jp /= -1) exit + lrw = lrw - 1 + if (irw > lrw) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error?' + exit + end if + end do + + if (jp /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (jp == nza) exit + if (a%ia(jp+1) == lrw) then + jp = jp + 1 + else + exit + end if + end do + end if + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': ip jp',ip,jp,nza + if ((ip /= -1) .and.(jp /= -1)) then + ! Now do the copy. + nzt = jp - ip +1 + nz = 0 + + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + if (present(iren)) then + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nz = nz + 1 + val(nzin_+nz) = a%val(i) + ia(nzin_+nz) = iren(a%ia(i)) + ja(nzin_+nz) = iren(a%ja(i)) + end if + enddo + call psb_lc_fix_coo_inner(nra,nca,nzin_+nz,psb_dupl_add_,ia,ja,val,nz,info) + nz = nz - nzin_ + else + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nz = nz + 1 + val(nzin_+nz) = a%val(i) + ia(nzin_+nz) = a%ia(i) + ja(nzin_+nz) = a%ja(i) + end if + enddo + end if + else + nz = 0 + end if + + else + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': unsorted ' + + nrd = max(a%get_nrows(),1) + nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1) + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + if (present(iren)) then + k = 0 + do i=1, a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + end if + val(nzin_+k) = a%val(i) + ia(nzin_+k) = iren(a%ia(i)) + ja(nzin_+k) = iren(a%ja(i)) + endif + enddo + else + k = 0 + do i=1,a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + end if + val(nzin_+k) = a%val(i) + ia(nzin_+k) = (a%ia(i)) + ja(nzin_+k) = (a%ja(i)) + endif + enddo + end if + call psb_lc_fix_coo_inner(nra,nca,nzin_+k,psb_dupl_add_,ia,ja,val,nz,info) + nz = nz - nzin_ + end if + + end subroutine coo_getrow + +end subroutine psb_lc_coo_csgetrow + + +subroutine psb_lc_coo_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_realloc_mod + use psb_sort_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_csput_a + implicit none + + class(psb_lc_coo_sparse_mat), intent(inout) :: a + complex(psb_spk_), intent(in) :: val(:) + integer(psb_lpk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lc_coo_csput_a_impl' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: nza, i,j,k, nzl, isza + integer(psb_ipk_) :: debug_level, debug_unit + + info = psb_success_ + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (nz < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/1_psb_ipk_/)) + goto 9999 + end if + if (size(ia) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/2_psb_ipk_/)) + goto 9999 + end if + + if (size(ja) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/3_psb_ipk_/)) + goto 9999 + end if + if (size(val) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/4_psb_ipk_/)) + goto 9999 + end if + + if (nz == 0) return + + + nza = a%get_nzeros() + isza = a%get_size() + if (a%is_bld()) then + ! Build phase. Must handle reallocations in a sensible way. + if (isza < (nza+nz)) then + call a%reallocate(max(nza+nz,int(1.5*isza))) + endif + isza = a%get_size() + if (isza < (nza+nz)) then + info = psb_err_alloc_dealloc_; call psb_errpush(info,name) + goto 9999 + end if + + call psb_inner_ins(nz,ia,ja,val,nza,a%ia,a%ja,a%val,isza,& + & imin,imax,jmin,jmax,info,gtl) + call a%set_nzeros(nza) + call a%set_sorted(.false.) + + + else if (a%is_upd()) then + + if (a%is_dev()) call a%sync() + + call lc_coo_srch_upd(nz,ia,ja,val,a,& + & imin,imax,jmin,jmax,info,gtl) + + if (info < 0) then + info = psb_err_internal_error_ + else if (info > 0) then + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Discarded entries not belonging to us.' + info = psb_success_ + end if + else + ! State is wrong. + info = psb_err_invalid_mat_state_ + end if + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +contains + + subroutine psb_inner_ins(nz,ia,ja,val,nza,ia1,ia2,aspk,maxsz,& + & imin,imax,jmin,jmax,info,gtl) + implicit none + + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax,maxsz + integer(psb_lpk_), intent(in) :: ia(:),ja(:) + integer(psb_lpk_), intent(inout) :: nza,ia1(:),ia2(:) + complex(psb_spk_), intent(in) :: val(:) + complex(psb_spk_), intent(inout) :: aspk(:) + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + integer(psb_lpk_) :: i,ir,ic,ng + + info = psb_success_ + if (present(gtl)) then + ng = size(gtl) + + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + ic = gtl(ic) + if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then + nza = nza + 1 + ia1(nza) = ir + ia2(nza) = ic + aspk(nza) = val(i) + end if + end if + end do + else + + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then + nza = nza + 1 + ia1(nza) = ir + ia2(nza) = ic + aspk(nza) = val(i) + end if + end do + end if + + end subroutine psb_inner_ins + + + subroutine lc_coo_srch_upd(nz,ia,ja,val,a,& + & imin,imax,jmin,jmax,info,gtl) + + use psb_const_mod + use psb_realloc_mod + use psb_string_mod + implicit none + + class(psb_lc_coo_sparse_mat), intent(inout) :: a + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax + integer(psb_lpk_), intent(in) :: ia(:),ja(:) + complex(psb_spk_), intent(in) :: val(:) + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + integer(psb_lpk_) :: i,ir,ic, ilr, ilc, ip, & + & i1,i2,nnz,dupl,ng, nr + integer(psb_ipk_) :: debug_level, debug_unit, innz, nc + character(len=20) :: name='lc_coo_srch_upd' + + info = psb_success_ + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + dupl = a%get_dupl() + + if (.not.a%is_sorted()) then + info = -4 + return + end if + + ilr = -1 + ilc = -1 + nnz = a%get_nzeros() + nr = a%get_nrows() + innz = nnz + + if (present(gtl)) then + ng = size(gtl) + + select case(dupl) + case(psb_dupl_ovwrt_,psb_dupl_err_) + ! Overwrite. + ! Cannot test for error, should have been caught earlier. + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + if ((ir > 0).and.(ir <= nr)) then + ic = gtl(ic) + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + endif + else + info = max(info,1) + end if + end do + case(psb_dupl_add_) + ! Add + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + ic = gtl(ic) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = a%val(i1+ip-1) + val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + else + info = max(info,1) + end if + end do + + case default + info = -3 + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Duplicate handling: ',dupl + end select + + else + + select case(dupl) + case(psb_dupl_ovwrt_,psb_dupl_err_) + ! Overwrite. + ! Cannot test for error, should have been caught earlier. + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + end do + + case(psb_dupl_add_) + ! Add + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = a%val(i1+ip-1) + val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + end do + + case default + info = -3 + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Duplicate handling: ',dupl + end select + + end if + + end subroutine lc_coo_srch_upd + +end subroutine psb_lc_coo_csput_a + + +subroutine psb_lc_cp_coo_to_coo(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_cp_coo_to_coo + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + class(psb_lc_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nz + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + + b%psb_lc_base_sparse_mat = a%psb_lc_base_sparse_mat + call b%set_sort_status(a%get_sort_status()) + nz = a%get_nzeros() + call b%set_nzeros(nz) + call b%reallocate(nz) + + b%ia(1:nz) = a%ia(1:nz) + b%ja(1:nz) = a%ja(1:nz) + b%val(1:nz) = a%val(1:nz) + + call b%set_host() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_cp_coo_to_coo + +subroutine psb_lc_cp_coo_from_coo(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_cp_coo_from_coo + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + class(psb_lc_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_lc_base_sparse_mat = b%psb_lc_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + nz = b%get_nzeros() + call a%set_nzeros(nz) + call a%reallocate(nz) + + a%ia(1:nz) = b%ia(1:nz) + a%ja(1:nz) = b%ja(1:nz) + a%val(1:nz) = b%val(1:nz) + + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_cp_coo_from_coo + + +subroutine psb_lc_cp_coo_to_fmt(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_cp_coo_to_fmt + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + class(psb_lc_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%cp_from_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_cp_coo_to_fmt + +subroutine psb_lc_cp_coo_from_fmt(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_cp_coo_from_fmt + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + class(psb_lc_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%cp_to_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_cp_coo_from_fmt + + +subroutine psb_lc_mv_coo_to_coo(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_mv_coo_to_coo + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + class(psb_lc_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + b%psb_lc_base_sparse_mat = a%psb_lc_base_sparse_mat + call b%set_sort_status(a%get_sort_status()) + call b%set_nzeros(a%get_nzeros()) + + call move_alloc(a%ia, b%ia) + call move_alloc(a%ja, b%ja) + call move_alloc(a%val, b%val) + call b%set_host() + call a%free() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_mv_coo_to_coo + +subroutine psb_lc_mv_coo_from_coo(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_mv_coo_from_coo + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + class(psb_lc_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_lc_base_sparse_mat = b%psb_lc_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + call a%set_nzeros(b%get_nzeros()) + + call move_alloc(b%ia , a%ia ) + call move_alloc(b%ja , a%ja ) + call move_alloc(b%val, a%val ) + call b%free() + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_mv_coo_from_coo + + +subroutine psb_lc_mv_coo_to_fmt(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_mv_coo_to_fmt + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + class(psb_lc_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%mv_from_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_mv_coo_to_fmt + +subroutine psb_lc_mv_coo_from_fmt(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_mv_coo_from_fmt + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + class(psb_lc_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%mv_to_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_mv_coo_from_fmt + +subroutine psb_lc_coo_cp_from(a,b) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_cp_from + implicit none + + class(psb_lc_coo_sparse_mat), intent(inout) :: a + type(psb_lc_coo_sparse_mat), intent(in) :: b + + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='cp_from' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + call a%cp_from_coo(b,info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_cp_from + +subroutine psb_lc_coo_mv_from(a,b) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_coo_mv_from + implicit none + + class(psb_lc_coo_sparse_mat), intent(inout) :: a + type(psb_lc_coo_sparse_mat), intent(inout) :: b + + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='mv_from' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_from_coo(b,info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_coo_mv_from + + + +subroutine psb_lc_fix_coo(a,info,idir) + use psb_const_mod + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_fix_coo + implicit none + + class(psb_lc_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: idir + integer(psb_lpk_), allocatable :: iaux(:) + !locals + integer(psb_lpk_) :: nza, nzl,iret, nra, nca + integer(psb_lpk_) :: i,j, irw, icl + integer(psb_ipk_) :: debug_level, debug_unit, err_act, dupl_, idir_ + character(len=20) :: name = 'psb_fixcoo' + + info = psb_success_ + + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + if(debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': start ',& + & size(a%ia),size(a%ja) + if (present(idir)) then + idir_ = idir + else + idir_ = psb_row_major_ + endif + if (a%is_dev()) call a%sync() + + nra = a%get_nrows() + nca = a%get_ncols() + nza = a%get_nzeros() + if (nza >= 2) then + dupl_ = a%get_dupl() + call psb_lc_fix_coo_inner(nra,nca,nza,dupl_,a%ia,a%ja,a%val,i,info,idir_) + if (info /= psb_success_) goto 9999 + else + i = nza + end if + call a%set_sort_status(idir_) + call a%set_nzeros(i) + call a%set_asb() + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_fix_coo + + + +subroutine psb_lc_fix_coo_inner(nr,nc,nzin,dupl,ia,ja,val,nzout,info,idir) + use psb_const_mod + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_fix_coo_inner + use psb_string_mod + use psb_ip_reord_mod + use psb_sort_mod + implicit none + + integer(psb_lpk_), intent(in) :: nr, nc, nzin, dupl + integer(psb_lpk_), intent(inout) :: ia(:), ja(:) + complex(psb_spk_), intent(inout) :: val(:) + integer(psb_lpk_), intent(out) :: nzout + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: idir + !locals + integer(psb_lpk_), allocatable :: iaux(:), ias(:),jas(:), ix2(:) + complex(psb_spk_), allocatable :: vs(:) + integer(psb_lpk_) :: nza + integer(psb_ipk_) :: iret, nzl,idir_, dupl_, err_act + integer(psb_lpk_) :: i,j, irw, icl, ip,is, imx, k, ii + integer(psb_ipk_) :: debug_level, debug_unit + character(len=20) :: name = 'psb_fixcoo' + logical :: srt_inp, use_buffers + + info = psb_success_ + + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + if(debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': start ',& + & size(ia),size(ja) + if (present(idir)) then + idir_ = idir + else + idir_ = psb_row_major_ + endif + + + if (nzin < 2) then + call psb_erractionrestore(err_act) + return + end if + + dupl_ = dupl + + + + allocate(iaux(max(nr,nc,nzin)+2),stat=info) + if (info /= psb_success_) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + + allocate(ias(nzin),jas(nzin),vs(nzin),ix2(max(nr,nc,nzin)+2), stat=info) + use_buffers = (info == 0) + + select case(idir_) + + case(psb_row_major_) + ! Row major order + if (use_buffers) then + if (.not.( (ia(1) < 1).or.(ia(1)> nr)) ) then + iaux(:) = 0 + iaux(ia(1)) = iaux(ia(1)) + 1 + srt_inp = .true. + do i=2,nzin + if ( (ia(i) < 1).or.(ia(i)> nr)) then + use_buffers = .false. + srt_inp = .false. + exit + end if + iaux(ia(i)) = iaux(ia(i)) + 1 + srt_inp = srt_inp .and.(ia(i-1)<=ia(i)) + end do + else + use_buffers=.false. + end if + end if + ! Check again use_buffers. + if (use_buffers) then + if (srt_inp) then + ! If input was already row-major + ! we can do it row-by-row here. + k = 0 + i = 1 + do j=1, nr + nzl = iaux(j) + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ja(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:imx),& + & ia(i:imx),ja(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(k) + val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + !i = i + nzl + enddo + + else if (.not.srt_inp) then + ! If input was not already row-major + ! we have to sort all + + ip = iaux(1) + iaux(1) = 0 + do i=2, nr + is = iaux(i) + iaux(i) = ip + ip = ip + is + end do + iaux(nr+1) = ip + + do i=1,nzin + irw = ia(i) + ip = iaux(irw) + 1 + ias(ip) = ia(i) + jas(ip) = ja(i) + vs(ip) = val(i) + iaux(irw) = ip + end do + k = 0 + i = 1 + do j=1, nr + + nzl = iaux(j)-i+1 + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,jas(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,vs(i:imx),& + & ias(i:imx),jas(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = val(k) + vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + enddo + + end if + + i=k + + deallocate(ias,jas,vs,ix2, stat=info) + + else if (.not.use_buffers) then + + ! + ! If we did not have enough memory for buffers, + ! let's try in place. + ! + call psi_msort_up(nzin,ia(1:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzin,val,ia,ja,iaux) + i = 1 + j = i + do while (i <= nzin) + + do while ((ia(j) == ia(i))) + j = j+1 + if (j > nzin) exit + enddo + nzl = j - i + call psi_msort_up(nzl,ja(i:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:i+nzl-1),& + & ia(i:i+nzl-1),ja(i:i+nzl-1),iaux) + i = j + enddo + + i = 1 + irw = ia(i) + icl = ja(i) + j = 1 + + select case(dupl_) + case(psb_dupl_ovwrt_) + + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_add_) + + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(i) + val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_err_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + end select + endif + + if(debug_level >= psb_debug_serial_)& + & write(debug_unit,*) trim(name),': end second loop' + + + case(psb_col_major_) + + if (use_buffers) then + iaux(:) = 0 + if (.not.( (ja(1) < 1).or.(ja(1)> nc)) ) then + iaux(ja(1)) = iaux(ja(1)) + 1 + srt_inp = .true. + do i=2,nzin + if ( (ja(i) < 1).or.(ja(i)> nc)) then + use_buffers = .false. + srt_inp = .false. + exit + end if + iaux(ja(i)) = iaux(ja(i)) + 1 + srt_inp = srt_inp .and.(ja(i-1)<=ja(i)) + end do + else + use_buffers=.false. + end if + end if + !use_buffers=use_buffers.and.srt_inp + ! Check again use_buffers. + if (use_buffers) then + + if (srt_inp) then + ! If input was already col-major + ! we can do it col-by-col here. + k = 0 + i = 1 + do j=1, nc + nzl = iaux(j) + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ia(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:imx),& + & ia(i:imx),ja(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(k) + val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + !i = i + nzl + enddo + + else if (.not.srt_inp) then + ! If input was not already col-major + ! we have to sort all + ip = iaux(1) + iaux(1) = 0 + do i=2, nc + is = iaux(i) + iaux(i) = ip + ip = ip + is + end do + iaux(nc+1) = ip + + do i=1,nzin + icl = ja(i) + ip = iaux(icl) + 1 + ias(ip) = ia(i) + jas(ip) = ja(i) + vs(ip) = val(i) + iaux(icl) = ip + end do + k = 0 + i = 1 + do j=1, nc + nzl = iaux(j)-i+1 + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ias(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,vs(i:imx),& + & ias(i:imx),jas(i:imx),ix2) + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = val(k) + vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + enddo + + end if + + i=k + deallocate(ias,jas,vs,ix2, stat=info) + + else if (.not.use_buffers) then + + call psi_msort_up(nzin,ja(1:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzin,val,ia,ja,iaux) + i = 1 + j = i + do while (i <= nzin) + do while ((ja(j) == ja(i))) + j = j+1 + if (j > nzin) exit + enddo + nzl = j - i + call psi_msort_up(nzl,ia(i:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:i+nzl-1),& + & ia(i:i+nzl-1),ja(i:i+nzl-1),iaux) + i = j + enddo + + i = 1 + irw = ia(i) + icl = ja(i) + j = 1 + + + select case(dupl_) + case(psb_dupl_ovwrt_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_add_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(i) + val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_err_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + end select + if (debug_level >= psb_debug_serial_)& + & write(debug_unit,*) trim(name),': end second loop' + + end if + + case default + write(debug_unit,*) trim(name),': unknown direction ',idir_ + info = psb_err_internal_error_ + call psb_errpush(info,name) + goto 9999 + end select + + nzout = i + + deallocate(iaux) + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_fix_coo_inner + + +subroutine psb_lc_cp_coo_to_icoo(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_cp_coo_to_icoo + implicit none + class(psb_lc_coo_sparse_mat), intent(in) :: a + class(psb_c_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nz + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + + b%psb_base_sparse_mat = a%psb_lbase_sparse_mat + call b%set_sort_status(a%get_sort_status()) + nz = a%get_nzeros() + call b%set_nzeros(nz) + call b%reallocate(nz) + + b%ia(1:nz) = a%ia(1:nz) + b%ja(1:nz) = a%ja(1:nz) + b%val(1:nz) = a%val(1:nz) + + call b%set_host() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lc_cp_coo_to_icoo + +subroutine psb_lc_cp_coo_from_icoo(a,b,info) + use psb_error_mod + use psb_c_base_mat_mod, psb_protect_name => psb_lc_cp_coo_from_icoo + implicit none + class(psb_lc_coo_sparse_mat), intent(inout) :: a + class(psb_c_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_lbase_sparse_mat = b%psb_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + nz = b%get_nzeros() + call a%set_nzeros(nz) + call a%reallocate(nz) + + a%ia(1:nz) = b%ia(1:nz) + a%ja(1:nz) = b%ja(1:nz) + a%val(1:nz) = b%val(1:nz) + + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lc_cp_coo_from_icoo + diff --git a/base/serial/impl/psb_d_lbase_mat_impl.F90 b/base/serial/impl/psb_d_lbase_mat_impl.F90 new file mode 100644 index 00000000..44c0b439 --- /dev/null +++ b/base/serial/impl/psb_d_lbase_mat_impl.F90 @@ -0,0 +1,2296 @@ +! +! Parallel Sparse BLAS version 3.5 +! (C) Copyright 2006-2018 +! Salvatore Filippone +! Alfredo Buttari +! +! Redistribution and use in source and binary forms, with or without +! modification, are permitted provided that the following conditions +! are met: +! 1. Redistributions of source code must retain the above copyright +! notice, this list of conditions and the following disclaimer. +! 2. Redistributions in binary form must reproduce the above copyright +! notice, this list of conditions, and the following disclaimer in the +! documentation and/or other materials provided with the distribution. +! 3. The name of the PSBLAS group or the names of its contributors may +! not be used to endorse or promote products derived from this +! software without specific written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! +! == ================================== +! +! +! +! Data management +! +! +! +! +! +! == ================================== + +subroutine psb_ld_base_cp_to_coo(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cp_to_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_ld_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_cp_to_coo + +subroutine psb_ld_base_cp_from_coo(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cp_from_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_ld_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_cp_from_coo + + +subroutine psb_ld_base_cp_to_fmt(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cp_to_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_ld_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_fmt' + logical, parameter :: debug=.false. + type(psb_ld_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_ld_coo_sparse_mat) + call a%cp_to_coo(b,info) + class default + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_cp_to_fmt + +subroutine psb_ld_base_cp_from_fmt(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cp_from_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_ld_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_fmt' + logical, parameter :: debug=.false. + type(psb_ld_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_ld_coo_sparse_mat) + call a%cp_from_coo(b,info) + class default + call b%cp_to_coo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_cp_from_fmt + + +subroutine psb_ld_base_mv_to_coo(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_mv_to_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_ld_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_to_coo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to coo') + goto 9999 + end if + + call a%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_mv_to_coo + +subroutine psb_ld_base_mv_from_coo(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_mv_from_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_ld_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_from_coo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='from coo') + goto 9999 + end if + + call b%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_mv_from_coo + + +subroutine psb_ld_base_mv_to_fmt(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_mv_to_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_ld_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_fmt' + logical, parameter :: debug=.false. + type(psb_ld_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_ld_coo_sparse_mat) + call a%mv_to_coo(b,info) + class default + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + + return + +end subroutine psb_ld_base_mv_to_fmt + +subroutine psb_ld_base_mv_from_fmt(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_mv_from_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_ld_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_fmt' + logical, parameter :: debug=.false. + type(psb_ld_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_ld_coo_sparse_mat) + call a%mv_from_coo(b,info) + class default + call b%mv_to_coo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + return + +end subroutine psb_ld_base_mv_from_fmt + +subroutine psb_ld_base_clean_zeros(a, info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_clean_zeros + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + integer(psb_ipk_), intent(out) :: info + ! + type(psb_ld_coo_sparse_mat) :: tmpcoo + + call a%mv_to_coo(tmpcoo,info) + if (info == 0) call tmpcoo%clean_zeros(info) + if (info == 0) call a%mv_from_coo(tmpcoo,info) + +end subroutine psb_ld_base_clean_zeros + + +subroutine psb_ld_base_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_csput_a + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + real(psb_dpk_), intent(in) :: val(:) + integer(psb_lpk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: gtl(:) + + integer(psb_ipk_) :: err_act + character(len=20) :: name='csput' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_csput_a + +subroutine psb_ld_base_csput_v(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_csput_v + use psb_d_base_vect_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_d_base_vect_type), intent(inout) :: val + class(psb_l_base_vect_type), intent(inout) :: ia, ja + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + + integer(psb_lpk_) :: nzin, nzout + integer(psb_ipk_) :: err_act + character(len=20) :: name='csput_v' + integer :: jmin_, jmax_ + logical :: append_, rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (allocated(val%v).and.allocated(ia%v).and.allocated(ja%v)) then + if (a%is_dev()) call a%sync() + if (val%is_dev()) call val%sync() + if (ia%is_dev()) call ia%sync() + if (ja%is_dev()) call ja%sync() + call a%csput_a(nz,ia%v,ja%v,val%v,imin,imax,jmin,jmax,info,gtl) + else + info = psb_err_invalid_mat_state_ + endif + if (info /= 0) then + call psb_errpush(info,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_csput_v + +subroutine psb_ld_base_csgetrow(imin,imax,a,nz,ia,ja,val,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_csgetrow + implicit none + + class(psb_ld_base_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + real(psb_dpk_), allocatable, intent(inout) :: val(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_csgetrow + + + +! +! Here we have the base implementation of getblk and clip: +! this is just based on the getrow. +! If performance is critical it can be overridden. +! +subroutine psb_ld_base_csgetblk(imin,imax,a,b,info,& + & jmin,jmax,iren,append,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_csgetblk + implicit none + + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_ld_coo_sparse_mat), intent(inout) :: b + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax + logical, intent(in), optional :: rscale,cscale + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout + character(len=20) :: name='csget' + integer(psb_lpk_) :: jmin_, jmax_ + logical :: append_, rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(append)) then + append_ = append + else + append_ = .false. + endif + if (append_) then + nzin = a%get_nzeros() + else + nzin = 0 + endif + if (present(rscale)) then + rscale_=rscale + else + rscale_=.false. + end if + if (present(cscale)) then + cscale_=cscale + else + cscale_=.false. + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if (append_.and.(rscale_.or.cscale_)) then + write(psb_err_unit,*) & + & 'ld_csgetblk: WARNING: dubious input: append_ and rscale_|cscale_' + end if + + if (rscale_) then + call b%set_nrows(imax-imin+1) + else + call b%set_nrows(max(min(imax,a%get_nrows()),b%get_nrows())) + end if + + if (cscale_) then + call b%set_ncols(jmax_-jmin_+1) + else + call b%set_ncols(max(min(jmax_,a%get_ncols()),b%get_ncols())) + end if + + call a%csget(imin,imax,nzout,b%ia,b%ja,b%val,info,& + & jmin=jmin, jmax=jmax, iren=iren, append=append_, & + & nzin=nzin, rscale=rscale, cscale=cscale) + + if (info /= psb_success_) goto 9999 + + call b%set_nzeros(nzin+nzout) + call b%fix(info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_csgetblk + + +subroutine psb_ld_base_csclip(a,b,info,& + & imin,imax,jmin,jmax,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_csclip + implicit none + + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_ld_coo_sparse_mat), intent(out) :: b + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + + integer(psb_lpk_) :: nzin, nzout, imin_, imax_, jmin_, jmax_, mb,nb + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + nzin = 0 + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = a%get_nrows() ! Should this be imax_ ?? + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = a%get_ncols() ! Should this be jmax_ ?? + endif + call b%allocate(mb,nb) + call a%csget(imin_,imax_,nzout,b%ia,b%ja,b%val,info,& + & jmin=jmin_, jmax=jmax_, append=.false., & + & nzin=nzin, rscale=rscale_, cscale=cscale_) + if (info /= psb_success_) goto 9999 + + call b%set_nzeros(nzin+nzout) + call b%fix(info) + + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_csclip + + +! +! Here we have the base implementation of tril and triu +! this is just based on the getrow. +! If performance is critical it can be overridden. +! +subroutine psb_ld_base_tril(a,l,info,& + & diag,imin,imax,jmin,jmax,rscale,cscale,u) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_tril + implicit none + + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_ld_coo_sparse_mat), intent(out) :: l + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + class(psb_ld_coo_sparse_mat), optional, intent(out) :: u + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout, i, j, k + integer(psb_lpk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz + integer(psb_lpk_), allocatable :: ia(:), ja(:) + real(psb_dpk_), allocatable :: val(:) + character(len=20) :: name='tril' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(diag)) then + diag_ = diag + else + diag_ = 0 + end if + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = imax_ + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = jmax_ + endif + + + nz = a%get_nzeros() + call l%allocate(mb,nb,nz) + + if (present(u)) then + nzlin = l%get_nzeros() ! At this point it should be 0 + call u%allocate(mb,nb,nz) + nzuin = u%get_nzeros() ! At this point it should be 0 + call psb_realloc(max(mb,nb),ia,info) + call psb_realloc(max(mb,nb),ja,info) + call psb_realloc(max(mb,nb),val,info) + do i=imin_,imax_ + call a%csget(i,i,nzout,ia,ja,val,info,& + & jmin=jmin_, jmax=jmax_) + do k=1, nzout + j = ja(k) + if (j-i<=diag_) then + nzlin = nzlin + 1 + l%ia(nzlin) = ia(k) + l%ja(nzlin) = ja(k) + l%val(nzlin) = val(k) + else + nzuin = nzuin + 1 + u%ia(nzuin) = ia(k) + u%ja(nzuin) = ja(k) + u%val(nzuin) = val(k) + end if + end do + end do + + call l%set_nzeros(nzlin) + call u%set_nzeros(nzuin) + call u%fix(info) + nzout = u%get_nzeros() + if (rscale_) & + & u%ia(1:nzout) = u%ia(1:nzout) - imin_ + 1 + if (cscale_) & + & u%ja(1:nzout) = u%ja(1:nzout) - jmin_ + 1 + if ((diag_ >= -1).and.(imin_ == jmin_)) then + call u%set_triangle(.true.) + call u%set_lower(.false.) + end if + else + nzin = l%get_nzeros() ! At this point it should be 0 + do i=imin_,imax_ + k = min(jmax_,i+diag_) + call a%csget(i,i,nzout,l%ia,l%ja,l%val,info,& + & jmin=jmin_, jmax=k, append=.true., & + & nzin=nzin) + if (info /= psb_success_) goto 9999 + call l%set_nzeros(nzin+nzout) + nzin = nzin+nzout + end do + end if + call l%fix(info) + nzout = l%get_nzeros() + if (rscale_) & + & l%ia(1:nzout) = l%ia(1:nzout) - imin_ + 1 + if (cscale_) & + & l%ja(1:nzout) = l%ja(1:nzout) - jmin_ + 1 + + if ((diag_ <= 0).and.(imin_ == jmin_)) then + call l%set_triangle(.true.) + call l%set_lower(.true.) + end if + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_tril + +subroutine psb_ld_base_triu(a,u,info,& + & diag,imin,imax,jmin,jmax,rscale,cscale,l) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_triu + implicit none + + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_ld_coo_sparse_mat), intent(out) :: u + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + class(psb_ld_coo_sparse_mat), optional, intent(out) :: l + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout, i, j, k + integer(psb_lpk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz + integer(psb_lpk_), allocatable :: ia(:), ja(:) + real(psb_dpk_), allocatable :: val(:) + character(len=20) :: name='triu' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(diag)) then + diag_ = diag + else + diag_ = 0 + end if + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = imax_ + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = jmax_ + endif + + + nz = a%get_nzeros() + call u%allocate(mb,nb,nz) + + if (present(l)) then + nzuin = u%get_nzeros() ! At this point it should be 0 + call l%allocate(mb,nb,nz) + nzlin = l%get_nzeros() ! At this point it should be 0 + call psb_realloc(max(mb,nb),ia,info) + call psb_realloc(max(mb,nb),ja,info) + call psb_realloc(max(mb,nb),val,info) + do i=imin_,imax_ + call a%csget(i,i,nzout,ia,ja,val,info,& + & jmin=jmin_, jmax=jmax_) + do k=1, nzout + j = ja(k) + if (j-i= 0).and.(imin_ == jmin_)) then + call u%set_triangle(.true.) + call u%set_upper(.true.) + end if + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_triu + + + +subroutine psb_ld_base_clone(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_clone + use psb_error_mod + implicit none + + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_ld_base_sparse_mat), allocatable, intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + info = 0 + if (allocated(b)) then + call b%free() + deallocate(b, stat=info) + end if + if (info /= 0) then + info = psb_err_alloc_dealloc_ + return + end if + + ! Do not use SOURCE allocation: this makes sure that + ! memory allocated elsewhere is treated properly. + allocate(b,mold=a,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call b%cp_from_fmt(a, info) + +end subroutine psb_ld_base_clone + +subroutine psb_ld_base_make_nonunit(a) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_make_nonunit + use psb_error_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + type(psb_ld_coo_sparse_mat) :: tmp + + integer(psb_ipk_) :: info + integer(psb_lpk_) :: i, j, m, n, nz, mnm + + if (a%is_unit()) then + call a%mv_to_coo(tmp,info) + if (info /= 0) return + m = tmp%get_nrows() + n = tmp%get_ncols() + mnm = min(m,n) + nz = tmp%get_nzeros() + call tmp%reallocate(nz+mnm) + do i=1, mnm + tmp%val(nz+i) = done + tmp%ia(nz+i) = i + tmp%ja(nz+i) = i + end do + call tmp%set_nzeros(nz+mnm) + call tmp%set_unit(.false.) + call tmp%fix(info) + if (info /= 0) & + & call a%mv_from_coo(tmp,info) + end if + +end subroutine psb_ld_base_make_nonunit + +subroutine psb_ld_base_mold(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_mold + use psb_error_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_ld_base_sparse_mat), intent(inout), allocatable :: b + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_) :: err_act + character(len=20) :: name='base_mold' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_mold + +subroutine psb_ld_base_transp_2mat(a,b) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_transp_2mat + use psb_error_mod + implicit none + + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_lbase_sparse_mat), intent(out) :: b + + type(psb_ld_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='ld_base_transp' + + call psb_erractionsave(err_act) + + info = psb_success_ + select type(b) + class is (psb_ld_base_sparse_mat) + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call tmp%transp() + if (info == psb_success_) call b%mv_from_coo(tmp,info) + class default + info = psb_err_invalid_dynamic_type_ + end select + if (info /= psb_success_) then + call psb_errpush(info,name,a_err=b%get_fmt(),i_err=(/ione/)) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_transp_2mat + +subroutine psb_ld_base_transc_2mat(a,b) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_transc_2mat + implicit none + + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_lbase_sparse_mat), intent(out) :: b + + type(psb_ld_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='ld_base_transc' + + call psb_erractionsave(err_act) + + info = psb_success_ + select type(b) + class is (psb_ld_base_sparse_mat) + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call tmp%transc() + if (info == psb_success_) call b%mv_from_coo(tmp,info) + class default + info = psb_err_invalid_dynamic_type_ + end select + if (info /= psb_success_) then + call psb_errpush(info,name,a_err=b%get_fmt(),i_err=(/ione/)) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return +end subroutine psb_ld_base_transc_2mat + +subroutine psb_ld_base_transp_1mat(a) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_transp_1mat + use psb_error_mod + implicit none + + class(psb_ld_base_sparse_mat), intent(inout) :: a + + type(psb_ld_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='ld_base_transp' + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call tmp%transp() + if (info == psb_success_) call a%mv_from_coo(tmp,info) + + if (info /= psb_success_) then + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_transp_1mat + +subroutine psb_ld_base_transc_1mat(a) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_transc_1mat + implicit none + + class(psb_ld_base_sparse_mat), intent(inout) :: a + + type(psb_ld_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='ld_base_transc' + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call tmp%transc() + if (info == psb_success_) call a%mv_from_coo(tmp,info) + + if (info /= psb_success_) then + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_transc_1mat + + +! == ================================== +! +! +! +! Computational routines +! +! +! +! +! +! +! == ================================== + +subroutine psb_ld_base_csmm(alpha,a,x,beta,y,info,trans) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_csmm + use psb_error_mod + + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + real(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_base_csmm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_csmm + + +subroutine psb_ld_base_csmv(alpha,a,x,beta,y,info,trans) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_csmv + use psb_error_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:) + real(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_base_csmv' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + + +end subroutine psb_ld_base_csmv + + +subroutine psb_ld_base_inner_cssm(alpha,a,x,beta,y,info,trans) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_inner_cssm + use psb_error_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + real(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_base_inner_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_inner_cssm + + +subroutine psb_ld_base_inner_cssv(alpha,a,x,beta,y,info,trans) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_inner_cssv + use psb_error_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:) + real(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_base_inner_cssv' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_inner_cssv + + +subroutine psb_ld_base_cssm(alpha,a,x,beta,y,info,trans,scale,d) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cssm + use psb_error_mod + use psb_string_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + real(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + real(psb_dpk_), intent(in), optional :: d(:) + + real(psb_dpk_), allocatable :: tmp(:,:) + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='ld_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = min(size(x,2), size(y,2)) + if (size(x,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (size(y,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(d)) then + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (size(d,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + + allocate(tmp(nac,nc),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) then + do i=1, nac + tmp(i,1:nc) = d(i)*x(i,1:nc) + end do + end if + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmp,beta,y,info,trans) + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + + if (size(d,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + allocate(tmp(nar,nc),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(done,x,dzero,tmp,info,trans) + + if (info == psb_success_)then + do i=1, nar + tmp(i,1:nc) = d(i)*tmp(i,1:nc) + end do + end if + if (info == psb_success_) then + inar = nar + inc = nc + call psb_geaxpby(inar,inc,alpha,tmp,beta,y,info) + end if + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_cssm') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_cssm + + +subroutine psb_ld_base_cssv(alpha,a,x,beta,y,info,trans,scale,d) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cssv + use psb_error_mod + use psb_string_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:) + real(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + real(psb_dpk_), intent(in), optional :: d(:) + + real(psb_dpk_), allocatable :: tmp(:) + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='ld_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = 1 + if (size(x,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (size(y,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(d)) then + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (size(d,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + + allocate(tmp(nac),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call inner_vscal(nac,d,x,tmp) + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmp,beta,y,info,trans) + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + if (size(d,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + if (beta == dzero) then + call a%inner_spsm(alpha,x,dzero,y,info,trans) + if (info == psb_success_) call inner_vscal1(nar,d,y) + else + allocate(tmp(nar),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(alpha,x,dzero,tmp,info,trans) + + if (info == psb_success_) call inner_vscal1(nar,d,tmp) + if (info == psb_success_) then + inar = nar + call psb_geaxpby(inar,done,tmp,beta,y,info) + end if + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return +contains + subroutine inner_vscal(n,d,x,y) + implicit none + integer(psb_lpk_), intent(in) :: n + real(psb_dpk_), intent(in) :: d(*),x(*) + real(psb_dpk_), intent(out) :: y(*) + integer(psb_lpk_) :: i + + do i=1,n + y(i) = d(i)*x(i) + end do + end subroutine inner_vscal + + + subroutine inner_vscal1(n,d,x) + implicit none + integer(psb_lpk_), intent(in) :: n + real(psb_dpk_), intent(in) :: d(*) + real(psb_dpk_), intent(inout) :: x(*) + integer(psb_lpk_) :: i + + do i=1,n + x(i) = d(i)*x(i) + end do + end subroutine inner_vscal1 + +end subroutine psb_ld_base_cssv + + +subroutine psb_ld_base_scals(d,a,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_scals + use psb_error_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + real(psb_dpk_), intent(in) :: d + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_scals' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_scals + + + +subroutine psb_ld_base_scal(d,a,info,side) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_scal + use psb_error_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + real(psb_dpk_), intent(in) :: d(:) + integer(psb_ipk_), intent(out) :: info + character, intent(in), optional :: side + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_scal' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_scal + + + +function psb_ld_base_maxval(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_maxval + + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='maxval' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + res = dzero + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end function psb_ld_base_maxval + + +function psb_ld_base_csnmi(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_realloc_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_csnmi + + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='csnmi' + real(psb_dpk_), allocatable :: vt(:) + + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + res = dzero + call psb_realloc(a%get_nrows(),vt,info) + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + call a%arwsum(vt) + res = maxval(vt) + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end function psb_ld_base_csnmi + +function psb_ld_base_csnm1(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_realloc_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_csnm1 + + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='csnm1' + real(psb_dpk_), allocatable :: vt(:) + + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + res = dzero + call psb_realloc(a%get_ncols(),vt,info) + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + call a%aclsum(vt) + res = maxval(vt) + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end function psb_ld_base_csnm1 + +subroutine psb_ld_base_rowsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_rowsum + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_rowsum + +subroutine psb_ld_base_arwsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_arwsum + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='arwsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_arwsum + +subroutine psb_ld_base_colsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_colsum + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='colsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_colsum + +subroutine psb_ld_base_aclsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_aclsum + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='aclsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_aclsum + + +subroutine psb_ld_base_get_diag(a,d,info) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_get_diag + + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='get_diag' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_get_diag + + +! == ================================== +! +! +! +! Computational routines for ld_VECT +! variables. If the actual data type is +! a "normal" one, these are sufficient. +! +! +! +! +! == ================================== + + + +subroutine psb_ld_base_vect_mv(alpha,a,x,beta,y,info,trans) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_vect_mv + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta + class(psb_d_base_vect_type), intent(inout) :: x + class(psb_d_base_vect_type), intent(inout) :: y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + ! For the time being we just throw everything back + ! onto the normal routines. + call x%sync() + call y%sync() + call a%spmm(alpha,x%v,beta,y%v,info,trans) + call y%set_host() +end subroutine psb_ld_base_vect_mv + +subroutine psb_ld_base_vect_cssv(alpha,a,x,beta,y,info,trans,scale,d) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_vect_cssv + use psb_d_base_vect_mod + use psb_error_mod + use psb_string_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta + class(psb_d_base_vect_type), intent(inout) :: x,y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + class(psb_d_base_vect_type), intent(inout),optional :: d + + real(psb_dpk_), allocatable :: tmp(:) + class(psb_d_base_vect_type), allocatable :: tmpv + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='ld_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = 1 + if (x%get_nrows() < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (y%get_nrows() < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + call x%sync() + call y%sync() + if (present(d)) then + call d%sync() + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (d%get_nrows() < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + allocate(tmpv, mold=y,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call tmpv%mlt(done,d%v(1:nac),x,dzero,info) + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmpv,beta,y,info,trans) + + if (info == psb_success_) then + call tmpv%free(info) + if (info == psb_success_) deallocate(tmpv,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + if (d%get_nrows() < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + if (beta == dzero) then + call a%inner_spsm(alpha,x,dzero,y,info,trans) + if (info == psb_success_) call y%mlt(d%v(1:nar),info) + + else + allocate(tmpv, mold=y,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(alpha,x,dzero,tmpv,info,trans) + + if (info == psb_success_) call tmpv%mlt(d%v(1:nar),info) + if (info == psb_success_) then + inar = nar + call y%axpby(inar,done,tmpv,beta,info) + end if + if (info == psb_success_) then + call tmpv%free(info) + if (info == psb_success_) deallocate(tmpv,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_vect_cssv + + +subroutine psb_ld_base_inner_vect_sv(alpha,a,x,beta,y,info,trans) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_inner_vect_sv + use psb_error_mod + use psb_string_mod + use psb_d_base_vect_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta + class(psb_d_base_vect_type), intent(inout) :: x, y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_base_inner_vect_sv' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%inner_spsm(alpha,x%v,beta,y%v,info,trans) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_inner_vect_sv + + + + +subroutine psb_ld_base_cp_to_icoo(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cp_to_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_d_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_cp_to_icoo + +subroutine psb_ld_base_cp_from_icoo(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cp_from_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_d_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ld_base_cp_from_icoo + + +subroutine psb_ld_base_cp_to_ifmt(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cp_to_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(in) :: a + class(psb_d_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_ifmt' + logical, parameter :: debug=.false. + type(psb_d_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_d_coo_sparse_mat) + call a%cp_to_icoo(b,info) + class default + call a%cp_to_icoo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_cp_to_ifmt + +subroutine psb_ld_base_cp_from_ifmt(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_cp_from_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_d_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_ifmt' + logical, parameter :: debug=.false. + type(psb_ld_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_d_coo_sparse_mat) + call a%cp_from_icoo(b,info) + class default + call b%cp_to_lcoo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_cp_from_ifmt + + +subroutine psb_ld_base_mv_to_icoo(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_mv_to_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_d_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_icoo' + logical, parameter :: debug=.false. + + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_to_icoo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to coo') + goto 9999 + end if + + call a%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_mv_to_icoo + +subroutine psb_ld_base_mv_from_icoo(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_mv_from_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_d_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_icoo' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_from_icoo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='from coo') + goto 9999 + end if + + call b%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_base_mv_from_icoo + + +subroutine psb_ld_base_mv_to_ifmt(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_mv_to_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_d_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_ifmt' + logical, parameter :: debug=.false. + type(psb_d_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_d_coo_sparse_mat) + call a%mv_to_icoo(b,info) + class default + call a%mv_to_icoo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + + return + +end subroutine psb_ld_base_mv_to_ifmt + +subroutine psb_ld_base_mv_from_ifmt(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_base_mv_from_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ld_base_sparse_mat), intent(inout) :: a + class(psb_d_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_ifmt' + logical, parameter :: debug=.false. + type(psb_ld_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_d_coo_sparse_mat) + call a%mv_from_icoo(b,info) + class default + call b%mv_to_lcoo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + return + +end subroutine psb_ld_base_mv_from_ifmt + + + + + + diff --git a/base/serial/impl/psb_d_lcoo_impl.f90 b/base/serial/impl/psb_d_lcoo_impl.f90 new file mode 100644 index 00000000..2d25eafc --- /dev/null +++ b/base/serial/impl/psb_d_lcoo_impl.f90 @@ -0,0 +1,4125 @@ +! +! Parallel Sparse BLAS version 3.5 +! (C) Copyright 2006-2018 +! Salvatore Filippone +! Alfredo Buttari +! +! Redistribution and use in source and binary forms, with or without +! modification, are permitted provided that the following conditions +! are met: +! 1. Redistributions of source code must retain the above copyright +! notice, this list of conditions and the following disclaimer. +! 2. Redistributions in binary form must reproduce the above copyright +! notice, this list of conditions, and the following disclaimer in the +! documentation and/or other materials provided with the distribution. +! 3. The name of the PSBLAS group or the names of its contributors may +! not be used to endorse or promote products derived from this +! software without specific written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! + +subroutine psb_ld_coo_get_diag(a,d,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_get_diag + use psb_error_mod + use psb_const_mod + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j + character(len=20) :: name='get_diag' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + mnm = min(a%get_nrows(),a%get_ncols()) + if (size(d) < mnm) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + if (a%is_unit()) then + d(1:mnm) = done + else + d(1:mnm) = dzero + do i=1,a%get_nzeros() + j=a%ia(i) + if ((j == a%ja(i)) .and.(j <= mnm ) .and.(j>0)) then + d(j) = a%val(i) + endif + enddo + end if + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_get_diag + + +subroutine psb_ld_coo_scal(d,a,info,side) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_scal + use psb_error_mod + use psb_const_mod + use psb_string_mod + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + real(psb_dpk_), intent(in) :: d(:) + integer(psb_ipk_), intent(out) :: info + character, intent(in), optional :: side + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j, m + character(len=20) :: name='scal' + character :: side_ + logical :: left + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + call a%make_nonunit() + end if + + side_ = 'L' + if (present(side)) then + side_ = psb_toupper(side) + end if + + left = (side_ == 'L') + + if (left) then + m = a%get_nrows() + if (size(d) < m) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + do i=1,a%get_nzeros() + j = a%ia(i) + a%val(i) = a%val(i) * d(j) + enddo + else + m = a%get_ncols() + if (size(d) < m) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + do i=1,a%get_nzeros() + j = a%ja(i) + a%val(i) = a%val(i) * d(j) + enddo + end if + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_scal + + +subroutine psb_ld_coo_scals(d,a,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_scals + use psb_error_mod + use psb_const_mod + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + real(psb_dpk_), intent(in) :: d + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j, m + character(len=20) :: name='scal' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + call a%make_nonunit() + end if + + do i=1,a%get_nzeros() + a%val(i) = a%val(i) * d + enddo + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_scals + + +subroutine psb_ld_coo_reallocate_nz(nz,a) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_reallocate_nz + use psb_error_mod + use psb_realloc_mod + implicit none + integer(psb_lpk_), intent(in) :: nz + class(psb_ld_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz_ + character(len=20) :: name='ld_coo_reallocate_nz' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + nz_ = max(nz,ione) + call psb_realloc(nz_,a%ia,info) + if (info == psb_success_) call psb_realloc(nz_,a%ja,info) + if (info == psb_success_) call psb_realloc(nz_,a%val,info) + + if (info /= psb_success_) then + call psb_errpush(psb_err_alloc_dealloc_,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_reallocate_nz + +subroutine psb_ld_coo_mold(a,b,info) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_mold + use psb_error_mod + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + class(psb_ld_base_sparse_mat), intent(inout), allocatable :: b + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_) :: err_act + character(len=20) :: name='coo_mold' + logical, parameter :: debug=.false. + + call psb_get_erraction(err_act) + + info = 0 + if (allocated(b)) then + call b%free() + deallocate(b,stat=info) + end if + if (info == 0) allocate(psb_ld_coo_sparse_mat :: b, stat=info) + + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info, name) + goto 9999 + end if + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_mold + +subroutine psb_ld_coo_reinit(a,clear) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_reinit + use psb_error_mod + implicit none + + class(psb_ld_coo_sparse_mat), intent(inout) :: a + logical, intent(in), optional :: clear + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='reinit' + logical :: clear_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + + if (present(clear)) then + clear_ = clear + else + clear_ = .true. + end if + + if (a%is_dev()) call a%sync() + if (a%is_bld() .or. a%is_upd()) then + ! do nothing + return + else if (a%is_asb()) then + if (clear_) a%val(:) = dzero + call a%set_host() + call a%set_upd() + else + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_reinit + + + +subroutine psb_ld_coo_trim(a) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_trim + use psb_realloc_mod + use psb_error_mod + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz + character(len=20) :: name='trim' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + nz = a%get_nzeros() + if (info == psb_success_) call psb_realloc(nz,a%ia,info) + if (info == psb_success_) call psb_realloc(nz,a%ja,info) + if (info == psb_success_) call psb_realloc(nz,a%val,info) + + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_trim + +subroutine psb_ld_coo_clean_zeros(a, info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_clean_zeros + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: info + ! + integer(psb_lpk_) :: i,j,k, nzin + + info = 0 + nzin = a%get_nzeros() + j = 0 + do i=1, nzin + if (a%val(i) /= dzero) then + j = j + 1 + a%val(j) = a%val(i) + a%ia(j) = a%ia(i) + a%ja(j) = a%ja(i) + end if + end do + call a%set_nzeros(j) + call a%trim() +end subroutine psb_ld_coo_clean_zeros + + + +subroutine psb_ld_coo_allocate_mnnz(m,n,a,nz) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_allocate_mnnz + use psb_error_mod + use psb_realloc_mod + implicit none + integer(psb_lpk_), intent(in) :: m,n + class(psb_ld_coo_sparse_mat), intent(inout) :: a + integer(psb_lpk_), intent(in), optional :: nz + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz_ + character(len=20) :: name='allocate_mnz' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + if (m < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/ione,izero/)) + goto 9999 + endif + if (n < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/2_psb_ipk_,izero/)) + goto 9999 + endif + if (present(nz)) then + nz_ = max(nz,ione) + else + nz_ = max(7*m,7*n,ione) + end if + if (nz_ < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/3_psb_ipk_,izero/)) + goto 9999 + endif + if (info == psb_success_) call psb_realloc(nz_,a%ia,info) + if (info == psb_success_) call psb_realloc(nz_,a%ja,info) + if (info == psb_success_) call psb_realloc(nz_,a%val,info) + if (info == psb_success_) then + call a%set_nrows(m) + call a%set_ncols(n) + call a%set_nzeros(lzero) + call a%set_bld() + call a%set_triangle(.false.) + call a%set_unit(.false.) + call a%set_dupl(psb_dupl_def_) + ! An empty matrix is sorted! + call a%set_sorted(.true.) + call a%set_host() + end if + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_allocate_mnnz + + + +subroutine psb_ld_coo_print(iout,a,iv,head,ivr,ivc) + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_print + use psb_string_mod + implicit none + + integer(psb_ipk_), intent(in) :: iout + class(psb_ld_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in), optional :: iv(:) + character(len=*), optional :: head + integer(psb_lpk_), intent(in), optional :: ivr(:), ivc(:) + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_coo_print' + logical, parameter :: debug=.false. + + character(len=*), parameter :: datatype='real' + character(len=80) :: frmtv + integer(psb_lpk_) :: i,j, nmx, ni, nr, nc, nz + + write(iout,'(a)') '%%MatrixMarket matrix coordinate real general' + if (present(head)) write(iout,'(a,a)') '% ',head + write(iout,'(a)') '%' + write(iout,'(a,a)') '% COO' + + if (a%is_dev()) call a%sync() + + nr = a%get_nrows() + nc = a%get_ncols() + nz = a%get_nzeros() + nmx = max(nr,nc,1) + if (present(iv)) nmx = max(nmx,maxval(abs(iv))) + if (present(ivr)) nmx = max(nmx,maxval(abs(ivr))) + if (present(ivc)) nmx = max(nmx,maxval(abs(ivc))) + ni = floor(log10(1.0*nmx)) + 1 + + if (datatype=='real') then + write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),es26.18,1x,2(i',ni,',1x))' + else + write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),2(es26.18,1x),2(i',ni,',1x))' + end if + write(iout,*) nr, nc, nz + if(present(iv)) then + do j=1,a%get_nzeros() + write(iout,frmtv) iv(a%ia(j)),iv(a%ja(j)),a%val(j) + enddo + else + if (present(ivr).and..not.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) ivr(a%ia(j)),a%ja(j),a%val(j) + enddo + else if (present(ivr).and.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) ivr(a%ia(j)),ivc(a%ja(j)),a%val(j) + enddo + else if (.not.present(ivr).and.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) a%ia(j),ivc(a%ja(j)),a%val(j) + enddo + else if (.not.present(ivr).and..not.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) a%ia(j),a%ja(j),a%val(j) + enddo + endif + endif + +end subroutine psb_ld_coo_print + + + + +function psb_ld_coo_get_nz_row(idx,a) result(res) + use psb_const_mod + use psb_sort_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_get_nz_row + implicit none + + class(psb_ld_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: idx + integer(psb_lpk_) :: res + integer(psb_lpk_) :: nzin_, nza,ip,jp,i,k + integer(psb_ipk_) :: inza + + if (a%is_dev()) call a%sync() + res = 0 + nza = a%get_nzeros() + if (a%is_by_rows()) then + ! In this case we can do a binary search. + inza = nza + ip = psb_bsrch(idx,inza,a%ia) + if (ip /= -1) return + jp = ip + do + if (ip < 2) exit + if (a%ia(ip-1) == idx) then + ip = ip -1 + else + exit + end if + end do + do + if (jp == nza) exit + if (a%ia(jp+1) == idx) then + jp = jp + 1 + else + exit + end if + end do + + res = jp - ip +1 + + else + + res = 0 + + do i=1, nza + if (a%ia(i) == idx) then + res = res + 1 + end if + end do + + end if + +end function psb_ld_coo_get_nz_row + +subroutine psb_ld_coo_cssm(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_cssm + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + real(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: tmp(:,:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_base_csmm' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + if (a%is_dev()) call a%sync() + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + m = a%get_nrows() + if (size(x,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nc = min(size(x,2) , size(y,2)) + nnz = a%get_nzeros() + + if (alpha == dzero) then + if (beta == dzero) then + do i = 1, m + y(i,1:nc) = dzero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + return + end if + + if (beta == dzero) then + call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & m,nc,nnz,a%ia,a%ja,a%val,& + & x,size(x,1,kind=psb_lpk_),y,size(y,1,kind=psb_lpk_),info) + do i = 1, m + y(i,1:nc) = alpha*y(i,1:nc) + end do + else + allocate(tmp(m,nc), stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & m,nc,nnz,a%ia,a%ja,a%val,& + & x,size(x,1,kind=psb_lpk_),tmp,size(tmp,1,kind=psb_lpk_),info) + do i = 1, m + y(i,1:nc) = alpha*tmp(i,1:nc) + beta*y(i,1:nc) + end do + end if + + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='inner_coosm') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + + +contains + + subroutine inner_coosm(tra,ctra,lower,unit,sorted,nr,nc,nz,& + & ia,ja,val,x,ldx,y,ldy,info) + implicit none + logical, intent(in) :: tra,ctra,lower,unit,sorted + integer(psb_lpk_), intent(in) :: nr,nc,nz,ldx,ldy,ia(*),ja(*) + real(psb_dpk_), intent(in) :: val(*), x(ldx,*) + real(psb_dpk_), intent(out) :: y(ldy,*) + integer(psb_ipk_), intent(out) :: info + + integer(psb_lpk_) :: i,j,k,m, ir, jc + real(psb_dpk_), allocatable :: acc(:) + + info = psb_success_ + allocate(acc(nc), stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + return + end if + + + if (.not.sorted) then + info = psb_err_invalid_mat_state_ + return + end if + + nnz = nz + + + if ((.not.tra).and.(.not.ctra)) then + + if (lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = dzero + do + if (j > nnz) exit + if (ia(j) > i) exit + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j + 1 + end do + y(i,1:nc) = x(i,1:nc) - acc(1:nc) + end do + else if (.not.unit) then + j = 1 + do i=1, nr + acc(1:nc) = dzero + do + if (j > nnz) exit + if (ia(j) > i) exit + if (ja(j) == i) then + y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j) + j = j + 1 + exit + end if + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j + 1 + end do + end do + end if + + else if (.not.lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = dzero + do + if (j < 1) exit + if (ia(j) < i) exit + acc(1:nc) = acc(1:nc) + val(j)*x(ja(j),1:nc) + j = j - 1 + end do + y(i,1:nc) = x(i,1:nc) - acc(1:nc) + end do + + else if (.not.unit) then + + j = nnz + do i=nr, 1, -1 + acc(1:nc) = dzero + do + if (j < 1) exit + if (ia(j) < i) exit + if (ja(j) == i) then + y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j) + j = j - 1 + exit + end if + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j - 1 + end do + end do + end if + + end if + + else if (tra) then + + do i=1, nr + y(i,1:nc) = x(i,1:nc) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) /val(j) + j = j - 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) /val(j) + j = j + 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j + 1 + end do + end do + end if + end if + end if + + else if (ctra) then + + do i=1, nr + y(i,1:nc) = x(i,1:nc) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc) + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) / (val(j)) + j = j - 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc) + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc) + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) / (val(j)) + j = j + 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc) + j = j + 1 + end do + end do + end if + end if + end if + + end if + end subroutine inner_coosm + +end subroutine psb_ld_coo_cssm + + + +subroutine psb_ld_coo_cssv(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_cssv + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:) + real(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: tmp(:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_coo_cssv_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + if (a%is_dev()) call a%sync() + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + m = a%get_nrows() + if (size(x,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + + if (alpha == dzero) then + if (beta == dzero) then + do i = 1, m + y(i) = dzero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + return + end if + + if (beta == dzero) then + call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,& + & x,y,info) + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + do i = 1, m + y(i) = alpha*y(i) + end do + else + allocate(tmp(m), stat=info) + if (info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,& + & x,tmp,info) + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + do i = 1, m + y(i) = alpha*tmp(i) + beta*y(i) + end do + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +contains + + subroutine inner_coosv(tra,ctra,lower,unit,sorted,nr,nz,& + & ia,ja,val,x,y,info) + implicit none + logical, intent(in) :: tra,ctra,lower,unit,sorted + integer(psb_lpk_), intent(in) :: nr,nz,ia(*),ja(*) + real(psb_dpk_), intent(in) :: val(*), x(*) + real(psb_dpk_), intent(out) :: y(*) + integer(psb_ipk_), intent(out) :: info + + integer(psb_lpk_) :: i,j,k,m, ir, jc, nnz + real(psb_dpk_) :: acc + + info = psb_success_ + if (.not.sorted) then + info = psb_err_invalid_mat_state_ + return + end if + + nnz = nz + + if ((.not.tra).and.(.not.ctra)) then + + if (lower) then + if (unit) then + j = 1 + do i=1, nr + acc = dzero + do + if (j > nnz) exit + if (ia(j) > i) exit + acc = acc + val(j)*y(ja(j)) + j = j + 1 + end do + y(i) = x(i) - acc + end do + else if (.not.unit) then + j = 1 + do i=1, nr + acc = dzero + do + if (j > nnz) exit + if (ia(j) > i) exit + if (ja(j) == i) then + y(i) = (x(i) - acc)/val(j) + j = j + 1 + exit + end if + acc = acc + val(j)*y(ja(j)) + j = j + 1 + end do + end do + end if + + else if (.not.lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = dzero + do + if (j < 1) exit + if (ia(j) < i) exit + acc = acc + val(j)*y(ja(j)) + j = j - 1 + end do + y(i) = x(i) - acc + end do + + else if (.not.unit) then + + j = nnz + do i=nr, 1, -1 + acc = dzero + do + if (j < 1) exit + if (ia(j) < i) exit + if (ja(j) == i) then + y(i) = (x(i) - acc)/val(j) + j = j - 1 + exit + end if + acc = acc + val(j)*y(ja(j)) + j = j - 1 + end do + end do + end if + + end if + + else if (tra) then + + do i=1, nr + y(i) = x(i) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i) = y(i) /val(j) + j = j - 1 + end if + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i) = y(i) /val(j) + j = j + 1 + end if + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j + 1 + end do + end do + end if + end if + end if + + else if (ctra) then + + do i=1, nr + y(i) = x(i) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - (val(j))*acc + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i) = y(i) /(val(j)) + j = j - 1 + end if + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - (val(j))*acc + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - (val(j))*acc + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i) = y(i) /(val(j)) + j = j + 1 + end if + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - (val(j))*acc + j = j + 1 + end do + end do + end if + end if + end if + end if + + end subroutine inner_coosv + + +end subroutine psb_ld_coo_cssv + +subroutine psb_ld_coo_csmv(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_csmv + implicit none + + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:) + real(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc + real(psb_dpk_) :: acc + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_coo_csmv_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + if (a%is_dev()) call a%sync() + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + + + if (tra.or.ctra) then + m = a%get_ncols() + n = a%get_nrows() + else + n = a%get_ncols() + m = a%get_nrows() + end if + if (size(x,1) < n) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),n/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nnz = a%get_nzeros() + + if (alpha == dzero) then + if (beta == dzero) then + do i = 1, m + y(i) = dzero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + return + else + if (a%is_unit()) then + if (beta == dzero) then + do i = 1, min(m,n) + y(i) = alpha*x(i) + enddo + do i = min(m,n)+1, m + y(i) = dzero + enddo + else + do i = 1, min(m,n) + y(i) = beta*y(i) + alpha*x(i) + end do + do i = min(m,n)+1, m + y(i) = beta*y(i) + enddo + endif + else + if (beta == dzero) then + do i = 1, m + y(i) = dzero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + + endif + + end if + + if ((.not.tra).and.(.not.ctra)) then + i = 1 + j = i + if (nnz > 0) then + ir = a%ia(1) + acc = dzero + do + if (i>nnz) then + y(ir) = y(ir) + alpha * acc + exit + endif + if (a%ia(i) /= ir) then + y(ir) = y(ir) + alpha * acc + ir = a%ia(i) + acc = dzero + endif + acc = acc + a%val(i) * x(a%ja(i)) + i = i + 1 + enddo + end if + + else if (tra) then + + if (alpha == done) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + a%val(i)*x(jc) + enddo + + else if (alpha == -done) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) - a%val(i)*x(jc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + alpha*a%val(i)*x(jc) + enddo + + end if !.....end testing on alpha + + else if (ctra) then + + if (alpha == done) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + (a%val(i))*x(jc) + enddo + + else if (alpha == -done) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) - (a%val(i))*x(jc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + alpha*(a%val(i))*x(jc) + enddo + + end if !.....end testing on alpha + + endif + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_csmv + + +subroutine psb_ld_coo_csmm(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_csmm + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + real(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_), allocatable :: acc(:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_coo_csmm_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + if (a%is_dev()) call a%sync() + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + + + if (tra.or.ctra) then + m = a%get_ncols() + n = a%get_nrows() + else + n = a%get_ncols() + m = a%get_nrows() + end if + if (size(x,1) < n) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),n/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nnz = a%get_nzeros() + + nc = min(size(x,2), size(y,2)) + allocate(acc(nc),stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + + if (alpha == dzero) then + if (beta == dzero) then + do i = 1, m + y(i,1:nc) = dzero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + return + else + if (a%is_unit()) then + if (beta == dzero) then + do i = 1, min(m,n) + y(i,1:nc) = alpha*x(i,1:nc) + enddo + do i = min(m,n)+1, m + y(i,1:nc) = dzero + enddo + else + do i = 1, min(m,n) + y(i,1:nc) = beta*y(i,1:nc) + alpha*x(i,1:nc) + end do + do i = min(m,n)+1, m + y(i,1:nc) = beta*y(i,1:nc) + enddo + endif + else + if (beta == dzero) then + do i = 1, m + y(i,1:nc) = dzero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + + endif + + end if + + if (.not.tra) then + i = 1 + j = i + if (nnz > 0) then + ir = a%ia(1) + acc = dzero + do + if (i>nnz) then + y(ir,1:nc) = y(ir,1:nc) + alpha * acc + exit + endif + if (a%ia(i) /= ir) then + y(ir,1:nc) = y(ir,1:nc) + alpha * acc + ir = a%ia(i) + acc = dzero + endif + acc = acc + a%val(i) * x(a%ja(i),1:nc) + i = i + 1 + enddo + end if + + else if (tra) then + + if (alpha == done) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + a%val(i)*x(jc,1:nc) + enddo + + else if (alpha == -done) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) - a%val(i)*x(jc,1:nc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + alpha*a%val(i)*x(jc,1:nc) + enddo + + end if !.....end testing on alpha + + else if (ctra) then + + if (alpha == done) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + (a%val(i))*x(jc,1:nc) + enddo + + else if (alpha == -done) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) - (a%val(i))*x(jc,1:nc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + alpha*(a%val(i))*x(jc,1:nc) + enddo + + end if !.....end testing on alpha + + endif + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_csmm + +function psb_ld_coo_maxval(a) result(res) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_maxval + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_ipk_) :: info + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + character(len=20) :: name='ld_coo_maxval' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + res = done + else + res = dzero + end if + nnz = a%get_nzeros() + if (allocated(a%val)) then + nnz = min(nnz,size(a%val)) + res = maxval(abs(a%val(1:nnz))) + end if + +end function psb_ld_coo_maxval + +function psb_ld_coo_csnmi(a) result(res) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_csnmi + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra, is_unit + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='ld_coo_csnmi' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + res = dzero + nnz = a%get_nzeros() + is_unit = a%is_unit() + if (a%is_by_rows()) then + i = 1 + j = i + res = dzero + do while (i<=nnz) + do while ((a%ia(j) == a%ia(i)).and. (j <= nnz)) + j = j+1 + enddo + if (is_unit) then + acc = done + else + acc = dzero + end if + do k=i, j-1 + acc = acc + abs(a%val(k)) + end do + res = max(res,acc) + i = j + end do + else + m = a%get_nrows() + allocate(vt(m),stat=info) + if (info /= 0) return + if (is_unit) then + vt = done + else + vt = dzero + end if + do j=1, nnz + i = a%ia(j) + vt(i) = vt(i) + abs(a%val(j)) + end do + res = maxval(vt(1:m)) + deallocate(vt,stat=info) + end if + +end function psb_ld_coo_csnmi + + +function psb_ld_coo_csnm1(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_csnm1 + + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='ld_coo_csnm1' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + res = dzero + nnz = a%get_nzeros() + n = a%get_ncols() + allocate(vt(n),stat=info) + if (info /= 0) return + if (a%is_unit()) then + vt = done + else + vt = dzero + end if + do j=1, nnz + i = a%ja(j) + vt(i) = vt(i) + abs(a%val(j)) + end do + res = maxval(vt(1:n)) + deallocate(vt,stat=info) + + return + +end function psb_ld_coo_csnm1 + +subroutine psb_ld_coo_rowsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_rowsum + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + m = a%get_nrows() + + if (size(d) < m) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),m/)) + goto 9999 + end if + + if (a%is_unit()) then + d = done + else + d = dzero + end if + nnz = a%get_nzeros() + do j=1, nnz + i = a%ia(j) + d(i) = d(i) + a%val(j) + end do + + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_rowsum + +subroutine psb_ld_coo_arwsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_arwsum + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + m = a%get_nrows() + if (size(d) < m) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),m/)) + goto 9999 + end if + + if (a%is_unit()) then + d = done + else + d = dzero + end if + nnz = a%get_nzeros() + do j=1, nnz + i = a%ia(j) + d(i) = d(i) + abs(a%val(j)) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_arwsum + +subroutine psb_ld_coo_colsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_colsum + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='colsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + n = a%get_ncols() + if (size(d) < n) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),n/)) + goto 9999 + end if + + if (a%is_unit()) then + d = done + else + d = dzero + end if + + nnz = a%get_nzeros() + do j=1, nnz + k = a%ja(j) + d(k) = d(k) + a%val(j) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_colsum + +subroutine psb_ld_coo_aclsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_aclsum + class(psb_ld_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='aclsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + n = a%get_ncols() + if (size(d) < n) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),n/)) + goto 9999 + end if + + + if (a%is_unit()) then + d = done + else + d = dzero + end if + + nnz = a%get_nzeros() + do j=1, nnz + k = a%ja(j) + d(k) = d(k) + abs(a%val(j)) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_aclsum + + + +! == ================================== +! +! +! +! Data management +! +! +! +! +! +! == ================================== + + + +subroutine psb_ld_coo_csgetptn(imin,imax,a,nz,ia,ja,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_csgetptn + implicit none + + class(psb_ld_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + + logical :: append_, rscale_, cscale_ + integer(psb_lpk_) :: nzin_, jmin_, jmax_, i + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + info = psb_success_ + nz = 0 + + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if ((imax= psb_debug_serial_)& + & write(debug_unit,*) trim(name), ': srtdcoo ' + do + ip = psb_bsrch(irw,inza,a%ia) + if (ip /= -1) exit + irw = irw + 1 + if (irw > imax) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error? ',& + & irw,lrw,imin + exit + end if + end do + + if (ip /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (ip < 2) exit + if (a%ia(ip-1) == irw) then + ip = ip -1 + else + exit + end if + end do + + end if + + do + jp = psb_bsrch(lrw,inza,a%ia) + if (jp /= -1) exit + lrw = lrw - 1 + if (irw > lrw) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error?' + exit + end if + end do + + if (jp /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (jp == nza) exit + if (a%ia(jp+1) == lrw) then + jp = jp + 1 + else + exit + end if + end do + end if + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': ip jp',ip,jp,nza + if ((ip /= -1) .and.(jp /= -1)) then + ! Now do the copy. + nzt = jp - ip +1 + nz = 0 + + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + if (present(iren)) then + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nzin_ = nzin_ + 1 + nz = nz + 1 + ia(nzin_) = iren(a%ia(i)) + ja(nzin_) = iren(a%ja(i)) + end if + enddo + else + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nzin_ = nzin_ + 1 + nz = nz + 1 + ia(nzin_) = a%ia(i) + ja(nzin_) = a%ja(i) + end if + enddo + end if + else + nz = 0 + end if + + else + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': unsorted ' + + nrd = max(a%get_nrows(),1) + nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1) + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + if (present(iren)) then + k = 0 + do i=1, a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + end if + ia(nzin_+k) = iren(a%ia(i)) + ja(nzin_+k) = iren(a%ja(i)) + endif + enddo + else + k = 0 + do i=1,a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + end if + ia(nzin_+k) = (a%ia(i)) + ja(nzin_+k) = (a%ja(i)) + endif + enddo + nzin_=nzin_+k + end if + nz = k + end if + + end subroutine coo_getptn + +end subroutine psb_ld_coo_csgetptn + + +! +! NZ is the number of non-zeros on output. +! The output is guaranteed to be sorted +! +subroutine psb_ld_coo_csgetrow(imin,imax,a,nz,ia,ja,val,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_csgetrow + implicit none + + class(psb_ld_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + real(psb_dpk_), allocatable, intent(inout) :: val(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + + logical :: append_, rscale_, cscale_ + integer(psb_lpk_) :: nzin_, jmin_, jmax_, i + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + info = psb_success_ + nz = 0 + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if ((imax= psb_debug_serial_)& + & write(debug_unit,*) trim(name), ': srtdcoo ' + do + ip = psb_bsrch(irw,inza,a%ia) + if (ip /= -1) exit + irw = irw + 1 + if (irw > imax) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error? ',& + & irw,lrw,imin + exit + end if + end do + + if (ip /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (ip < 2) exit + if (a%ia(ip-1) == irw) then + ip = ip -1 + else + exit + end if + end do + + end if + + do + jp = psb_bsrch(lrw,inza,a%ia) + if (jp /= -1) exit + lrw = lrw - 1 + if (irw > lrw) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error?' + exit + end if + end do + + if (jp /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (jp == nza) exit + if (a%ia(jp+1) == lrw) then + jp = jp + 1 + else + exit + end if + end do + end if + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': ip jp',ip,jp,nza + if ((ip /= -1) .and.(jp /= -1)) then + ! Now do the copy. + nzt = jp - ip +1 + nz = 0 + + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + if (present(iren)) then + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nz = nz + 1 + val(nzin_+nz) = a%val(i) + ia(nzin_+nz) = iren(a%ia(i)) + ja(nzin_+nz) = iren(a%ja(i)) + end if + enddo + call psb_ld_fix_coo_inner(nra,nca,nzin_+nz,psb_dupl_add_,ia,ja,val,nz,info) + nz = nz - nzin_ + else + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nz = nz + 1 + val(nzin_+nz) = a%val(i) + ia(nzin_+nz) = a%ia(i) + ja(nzin_+nz) = a%ja(i) + end if + enddo + end if + else + nz = 0 + end if + + else + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': unsorted ' + + nrd = max(a%get_nrows(),1) + nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1) + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + if (present(iren)) then + k = 0 + do i=1, a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + end if + val(nzin_+k) = a%val(i) + ia(nzin_+k) = iren(a%ia(i)) + ja(nzin_+k) = iren(a%ja(i)) + endif + enddo + else + k = 0 + do i=1,a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + end if + val(nzin_+k) = a%val(i) + ia(nzin_+k) = (a%ia(i)) + ja(nzin_+k) = (a%ja(i)) + endif + enddo + end if + call psb_ld_fix_coo_inner(nra,nca,nzin_+k,psb_dupl_add_,ia,ja,val,nz,info) + nz = nz - nzin_ + end if + + end subroutine coo_getrow + +end subroutine psb_ld_coo_csgetrow + + +subroutine psb_ld_coo_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_realloc_mod + use psb_sort_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_csput_a + implicit none + + class(psb_ld_coo_sparse_mat), intent(inout) :: a + real(psb_dpk_), intent(in) :: val(:) + integer(psb_lpk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ld_coo_csput_a_impl' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: nza, i,j,k, nzl, isza + integer(psb_ipk_) :: debug_level, debug_unit + + info = psb_success_ + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (nz < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/1_psb_ipk_/)) + goto 9999 + end if + if (size(ia) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/2_psb_ipk_/)) + goto 9999 + end if + + if (size(ja) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/3_psb_ipk_/)) + goto 9999 + end if + if (size(val) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/4_psb_ipk_/)) + goto 9999 + end if + + if (nz == 0) return + + + nza = a%get_nzeros() + isza = a%get_size() + if (a%is_bld()) then + ! Build phase. Must handle reallocations in a sensible way. + if (isza < (nza+nz)) then + call a%reallocate(max(nza+nz,int(1.5*isza))) + endif + isza = a%get_size() + if (isza < (nza+nz)) then + info = psb_err_alloc_dealloc_; call psb_errpush(info,name) + goto 9999 + end if + + call psb_inner_ins(nz,ia,ja,val,nza,a%ia,a%ja,a%val,isza,& + & imin,imax,jmin,jmax,info,gtl) + call a%set_nzeros(nza) + call a%set_sorted(.false.) + + + else if (a%is_upd()) then + + if (a%is_dev()) call a%sync() + + call ld_coo_srch_upd(nz,ia,ja,val,a,& + & imin,imax,jmin,jmax,info,gtl) + + if (info < 0) then + info = psb_err_internal_error_ + else if (info > 0) then + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Discarded entries not belonging to us.' + info = psb_success_ + end if + else + ! State is wrong. + info = psb_err_invalid_mat_state_ + end if + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +contains + + subroutine psb_inner_ins(nz,ia,ja,val,nza,ia1,ia2,aspk,maxsz,& + & imin,imax,jmin,jmax,info,gtl) + implicit none + + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax,maxsz + integer(psb_lpk_), intent(in) :: ia(:),ja(:) + integer(psb_lpk_), intent(inout) :: nza,ia1(:),ia2(:) + real(psb_dpk_), intent(in) :: val(:) + real(psb_dpk_), intent(inout) :: aspk(:) + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + integer(psb_lpk_) :: i,ir,ic,ng + + info = psb_success_ + if (present(gtl)) then + ng = size(gtl) + + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + ic = gtl(ic) + if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then + nza = nza + 1 + ia1(nza) = ir + ia2(nza) = ic + aspk(nza) = val(i) + end if + end if + end do + else + + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then + nza = nza + 1 + ia1(nza) = ir + ia2(nza) = ic + aspk(nza) = val(i) + end if + end do + end if + + end subroutine psb_inner_ins + + + subroutine ld_coo_srch_upd(nz,ia,ja,val,a,& + & imin,imax,jmin,jmax,info,gtl) + + use psb_const_mod + use psb_realloc_mod + use psb_string_mod + implicit none + + class(psb_ld_coo_sparse_mat), intent(inout) :: a + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax + integer(psb_lpk_), intent(in) :: ia(:),ja(:) + real(psb_dpk_), intent(in) :: val(:) + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + integer(psb_lpk_) :: i,ir,ic, ilr, ilc, ip, & + & i1,i2,nnz,dupl,ng, nr + integer(psb_ipk_) :: debug_level, debug_unit, innz, nc + character(len=20) :: name='ld_coo_srch_upd' + + info = psb_success_ + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + dupl = a%get_dupl() + + if (.not.a%is_sorted()) then + info = -4 + return + end if + + ilr = -1 + ilc = -1 + nnz = a%get_nzeros() + nr = a%get_nrows() + innz = nnz + + if (present(gtl)) then + ng = size(gtl) + + select case(dupl) + case(psb_dupl_ovwrt_,psb_dupl_err_) + ! Overwrite. + ! Cannot test for error, should have been caught earlier. + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + if ((ir > 0).and.(ir <= nr)) then + ic = gtl(ic) + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + endif + else + info = max(info,1) + end if + end do + case(psb_dupl_add_) + ! Add + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + ic = gtl(ic) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = a%val(i1+ip-1) + val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + else + info = max(info,1) + end if + end do + + case default + info = -3 + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Duplicate handling: ',dupl + end select + + else + + select case(dupl) + case(psb_dupl_ovwrt_,psb_dupl_err_) + ! Overwrite. + ! Cannot test for error, should have been caught earlier. + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + end do + + case(psb_dupl_add_) + ! Add + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = a%val(i1+ip-1) + val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + end do + + case default + info = -3 + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Duplicate handling: ',dupl + end select + + end if + + end subroutine ld_coo_srch_upd + +end subroutine psb_ld_coo_csput_a + + +subroutine psb_ld_cp_coo_to_coo(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_cp_coo_to_coo + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + class(psb_ld_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nz + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + + b%psb_ld_base_sparse_mat = a%psb_ld_base_sparse_mat + call b%set_sort_status(a%get_sort_status()) + nz = a%get_nzeros() + call b%set_nzeros(nz) + call b%reallocate(nz) + + b%ia(1:nz) = a%ia(1:nz) + b%ja(1:nz) = a%ja(1:nz) + b%val(1:nz) = a%val(1:nz) + + call b%set_host() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_cp_coo_to_coo + +subroutine psb_ld_cp_coo_from_coo(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_cp_coo_from_coo + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + class(psb_ld_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_ld_base_sparse_mat = b%psb_ld_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + nz = b%get_nzeros() + call a%set_nzeros(nz) + call a%reallocate(nz) + + a%ia(1:nz) = b%ia(1:nz) + a%ja(1:nz) = b%ja(1:nz) + a%val(1:nz) = b%val(1:nz) + + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_cp_coo_from_coo + + +subroutine psb_ld_cp_coo_to_fmt(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_cp_coo_to_fmt + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + class(psb_ld_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%cp_from_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_cp_coo_to_fmt + +subroutine psb_ld_cp_coo_from_fmt(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_cp_coo_from_fmt + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + class(psb_ld_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%cp_to_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_cp_coo_from_fmt + + +subroutine psb_ld_mv_coo_to_coo(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_mv_coo_to_coo + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + class(psb_ld_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + b%psb_ld_base_sparse_mat = a%psb_ld_base_sparse_mat + call b%set_sort_status(a%get_sort_status()) + call b%set_nzeros(a%get_nzeros()) + + call move_alloc(a%ia, b%ia) + call move_alloc(a%ja, b%ja) + call move_alloc(a%val, b%val) + call b%set_host() + call a%free() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_mv_coo_to_coo + +subroutine psb_ld_mv_coo_from_coo(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_mv_coo_from_coo + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + class(psb_ld_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_ld_base_sparse_mat = b%psb_ld_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + call a%set_nzeros(b%get_nzeros()) + + call move_alloc(b%ia , a%ia ) + call move_alloc(b%ja , a%ja ) + call move_alloc(b%val, a%val ) + call b%free() + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_mv_coo_from_coo + + +subroutine psb_ld_mv_coo_to_fmt(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_mv_coo_to_fmt + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + class(psb_ld_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%mv_from_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_mv_coo_to_fmt + +subroutine psb_ld_mv_coo_from_fmt(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_mv_coo_from_fmt + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + class(psb_ld_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%mv_to_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_mv_coo_from_fmt + +subroutine psb_ld_coo_cp_from(a,b) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_cp_from + implicit none + + class(psb_ld_coo_sparse_mat), intent(inout) :: a + type(psb_ld_coo_sparse_mat), intent(in) :: b + + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='cp_from' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + call a%cp_from_coo(b,info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_cp_from + +subroutine psb_ld_coo_mv_from(a,b) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_coo_mv_from + implicit none + + class(psb_ld_coo_sparse_mat), intent(inout) :: a + type(psb_ld_coo_sparse_mat), intent(inout) :: b + + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='mv_from' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_from_coo(b,info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_coo_mv_from + + + +subroutine psb_ld_fix_coo(a,info,idir) + use psb_const_mod + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_fix_coo + implicit none + + class(psb_ld_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: idir + integer(psb_lpk_), allocatable :: iaux(:) + !locals + integer(psb_lpk_) :: nza, nzl,iret, nra, nca + integer(psb_lpk_) :: i,j, irw, icl + integer(psb_ipk_) :: debug_level, debug_unit, err_act, dupl_, idir_ + character(len=20) :: name = 'psb_fixcoo' + + info = psb_success_ + + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + if(debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': start ',& + & size(a%ia),size(a%ja) + if (present(idir)) then + idir_ = idir + else + idir_ = psb_row_major_ + endif + if (a%is_dev()) call a%sync() + + nra = a%get_nrows() + nca = a%get_ncols() + nza = a%get_nzeros() + if (nza >= 2) then + dupl_ = a%get_dupl() + call psb_ld_fix_coo_inner(nra,nca,nza,dupl_,a%ia,a%ja,a%val,i,info,idir_) + if (info /= psb_success_) goto 9999 + else + i = nza + end if + call a%set_sort_status(idir_) + call a%set_nzeros(i) + call a%set_asb() + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_fix_coo + + + +subroutine psb_ld_fix_coo_inner(nr,nc,nzin,dupl,ia,ja,val,nzout,info,idir) + use psb_const_mod + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_fix_coo_inner + use psb_string_mod + use psb_ip_reord_mod + use psb_sort_mod + implicit none + + integer(psb_lpk_), intent(in) :: nr, nc, nzin, dupl + integer(psb_lpk_), intent(inout) :: ia(:), ja(:) + real(psb_dpk_), intent(inout) :: val(:) + integer(psb_lpk_), intent(out) :: nzout + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: idir + !locals + integer(psb_lpk_), allocatable :: iaux(:), ias(:),jas(:), ix2(:) + real(psb_dpk_), allocatable :: vs(:) + integer(psb_lpk_) :: nza + integer(psb_ipk_) :: iret, nzl,idir_, dupl_, err_act + integer(psb_lpk_) :: i,j, irw, icl, ip,is, imx, k, ii + integer(psb_ipk_) :: debug_level, debug_unit + character(len=20) :: name = 'psb_fixcoo' + logical :: srt_inp, use_buffers + + info = psb_success_ + + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + if(debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': start ',& + & size(ia),size(ja) + if (present(idir)) then + idir_ = idir + else + idir_ = psb_row_major_ + endif + + + if (nzin < 2) then + call psb_erractionrestore(err_act) + return + end if + + dupl_ = dupl + + + + allocate(iaux(max(nr,nc,nzin)+2),stat=info) + if (info /= psb_success_) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + + allocate(ias(nzin),jas(nzin),vs(nzin),ix2(max(nr,nc,nzin)+2), stat=info) + use_buffers = (info == 0) + + select case(idir_) + + case(psb_row_major_) + ! Row major order + if (use_buffers) then + if (.not.( (ia(1) < 1).or.(ia(1)> nr)) ) then + iaux(:) = 0 + iaux(ia(1)) = iaux(ia(1)) + 1 + srt_inp = .true. + do i=2,nzin + if ( (ia(i) < 1).or.(ia(i)> nr)) then + use_buffers = .false. + srt_inp = .false. + exit + end if + iaux(ia(i)) = iaux(ia(i)) + 1 + srt_inp = srt_inp .and.(ia(i-1)<=ia(i)) + end do + else + use_buffers=.false. + end if + end if + ! Check again use_buffers. + if (use_buffers) then + if (srt_inp) then + ! If input was already row-major + ! we can do it row-by-row here. + k = 0 + i = 1 + do j=1, nr + nzl = iaux(j) + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ja(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:imx),& + & ia(i:imx),ja(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(k) + val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + !i = i + nzl + enddo + + else if (.not.srt_inp) then + ! If input was not already row-major + ! we have to sort all + + ip = iaux(1) + iaux(1) = 0 + do i=2, nr + is = iaux(i) + iaux(i) = ip + ip = ip + is + end do + iaux(nr+1) = ip + + do i=1,nzin + irw = ia(i) + ip = iaux(irw) + 1 + ias(ip) = ia(i) + jas(ip) = ja(i) + vs(ip) = val(i) + iaux(irw) = ip + end do + k = 0 + i = 1 + do j=1, nr + + nzl = iaux(j)-i+1 + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,jas(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,vs(i:imx),& + & ias(i:imx),jas(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = val(k) + vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + enddo + + end if + + i=k + + deallocate(ias,jas,vs,ix2, stat=info) + + else if (.not.use_buffers) then + + ! + ! If we did not have enough memory for buffers, + ! let's try in place. + ! + call psi_msort_up(nzin,ia(1:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzin,val,ia,ja,iaux) + i = 1 + j = i + do while (i <= nzin) + + do while ((ia(j) == ia(i))) + j = j+1 + if (j > nzin) exit + enddo + nzl = j - i + call psi_msort_up(nzl,ja(i:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:i+nzl-1),& + & ia(i:i+nzl-1),ja(i:i+nzl-1),iaux) + i = j + enddo + + i = 1 + irw = ia(i) + icl = ja(i) + j = 1 + + select case(dupl_) + case(psb_dupl_ovwrt_) + + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_add_) + + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(i) + val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_err_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + end select + endif + + if(debug_level >= psb_debug_serial_)& + & write(debug_unit,*) trim(name),': end second loop' + + + case(psb_col_major_) + + if (use_buffers) then + iaux(:) = 0 + if (.not.( (ja(1) < 1).or.(ja(1)> nc)) ) then + iaux(ja(1)) = iaux(ja(1)) + 1 + srt_inp = .true. + do i=2,nzin + if ( (ja(i) < 1).or.(ja(i)> nc)) then + use_buffers = .false. + srt_inp = .false. + exit + end if + iaux(ja(i)) = iaux(ja(i)) + 1 + srt_inp = srt_inp .and.(ja(i-1)<=ja(i)) + end do + else + use_buffers=.false. + end if + end if + !use_buffers=use_buffers.and.srt_inp + ! Check again use_buffers. + if (use_buffers) then + + if (srt_inp) then + ! If input was already col-major + ! we can do it col-by-col here. + k = 0 + i = 1 + do j=1, nc + nzl = iaux(j) + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ia(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:imx),& + & ia(i:imx),ja(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(k) + val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + !i = i + nzl + enddo + + else if (.not.srt_inp) then + ! If input was not already col-major + ! we have to sort all + ip = iaux(1) + iaux(1) = 0 + do i=2, nc + is = iaux(i) + iaux(i) = ip + ip = ip + is + end do + iaux(nc+1) = ip + + do i=1,nzin + icl = ja(i) + ip = iaux(icl) + 1 + ias(ip) = ia(i) + jas(ip) = ja(i) + vs(ip) = val(i) + iaux(icl) = ip + end do + k = 0 + i = 1 + do j=1, nc + nzl = iaux(j)-i+1 + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ias(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,vs(i:imx),& + & ias(i:imx),jas(i:imx),ix2) + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = val(k) + vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + enddo + + end if + + i=k + deallocate(ias,jas,vs,ix2, stat=info) + + else if (.not.use_buffers) then + + call psi_msort_up(nzin,ja(1:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzin,val,ia,ja,iaux) + i = 1 + j = i + do while (i <= nzin) + do while ((ja(j) == ja(i))) + j = j+1 + if (j > nzin) exit + enddo + nzl = j - i + call psi_msort_up(nzl,ia(i:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:i+nzl-1),& + & ia(i:i+nzl-1),ja(i:i+nzl-1),iaux) + i = j + enddo + + i = 1 + irw = ia(i) + icl = ja(i) + j = 1 + + + select case(dupl_) + case(psb_dupl_ovwrt_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_add_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(i) + val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_err_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + end select + if (debug_level >= psb_debug_serial_)& + & write(debug_unit,*) trim(name),': end second loop' + + end if + + case default + write(debug_unit,*) trim(name),': unknown direction ',idir_ + info = psb_err_internal_error_ + call psb_errpush(info,name) + goto 9999 + end select + + nzout = i + + deallocate(iaux) + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_fix_coo_inner + + +subroutine psb_ld_cp_coo_to_icoo(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_cp_coo_to_icoo + implicit none + class(psb_ld_coo_sparse_mat), intent(in) :: a + class(psb_d_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nz + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + + b%psb_base_sparse_mat = a%psb_lbase_sparse_mat + call b%set_sort_status(a%get_sort_status()) + nz = a%get_nzeros() + call b%set_nzeros(nz) + call b%reallocate(nz) + + b%ia(1:nz) = a%ia(1:nz) + b%ja(1:nz) = a%ja(1:nz) + b%val(1:nz) = a%val(1:nz) + + call b%set_host() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ld_cp_coo_to_icoo + +subroutine psb_ld_cp_coo_from_icoo(a,b,info) + use psb_error_mod + use psb_d_base_mat_mod, psb_protect_name => psb_ld_cp_coo_from_icoo + implicit none + class(psb_ld_coo_sparse_mat), intent(inout) :: a + class(psb_d_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_lbase_sparse_mat = b%psb_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + nz = b%get_nzeros() + call a%set_nzeros(nz) + call a%reallocate(nz) + + a%ia(1:nz) = b%ia(1:nz) + a%ja(1:nz) = b%ja(1:nz) + a%val(1:nz) = b%val(1:nz) + + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ld_cp_coo_from_icoo + diff --git a/base/serial/impl/psb_s_lbase_mat_impl.F90 b/base/serial/impl/psb_s_lbase_mat_impl.F90 new file mode 100644 index 00000000..9dc5006e --- /dev/null +++ b/base/serial/impl/psb_s_lbase_mat_impl.F90 @@ -0,0 +1,2296 @@ +! +! Parallel Sparse BLAS version 3.5 +! (C) Copyright 2006-2018 +! Salvatore Filippone +! Alfredo Buttari +! +! Redistribution and use in source and binary forms, with or without +! modification, are permitted provided that the following conditions +! are met: +! 1. Redistributions of source code must retain the above copyright +! notice, this list of conditions and the following disclaimer. +! 2. Redistributions in binary form must reproduce the above copyright +! notice, this list of conditions, and the following disclaimer in the +! documentation and/or other materials provided with the distribution. +! 3. The name of the PSBLAS group or the names of its contributors may +! not be used to endorse or promote products derived from this +! software without specific written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! +! == ================================== +! +! +! +! Data management +! +! +! +! +! +! == ================================== + +subroutine psb_ls_base_cp_to_coo(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cp_to_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_ls_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_cp_to_coo + +subroutine psb_ls_base_cp_from_coo(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cp_from_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_ls_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_cp_from_coo + + +subroutine psb_ls_base_cp_to_fmt(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cp_to_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_ls_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_fmt' + logical, parameter :: debug=.false. + type(psb_ls_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_ls_coo_sparse_mat) + call a%cp_to_coo(b,info) + class default + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_cp_to_fmt + +subroutine psb_ls_base_cp_from_fmt(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cp_from_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_ls_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_fmt' + logical, parameter :: debug=.false. + type(psb_ls_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_ls_coo_sparse_mat) + call a%cp_from_coo(b,info) + class default + call b%cp_to_coo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_cp_from_fmt + + +subroutine psb_ls_base_mv_to_coo(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_mv_to_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_ls_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_to_coo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to coo') + goto 9999 + end if + + call a%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_mv_to_coo + +subroutine psb_ls_base_mv_from_coo(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_mv_from_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_ls_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_from_coo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='from coo') + goto 9999 + end if + + call b%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_mv_from_coo + + +subroutine psb_ls_base_mv_to_fmt(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_mv_to_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_ls_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_fmt' + logical, parameter :: debug=.false. + type(psb_ls_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_ls_coo_sparse_mat) + call a%mv_to_coo(b,info) + class default + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + + return + +end subroutine psb_ls_base_mv_to_fmt + +subroutine psb_ls_base_mv_from_fmt(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_mv_from_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_ls_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_fmt' + logical, parameter :: debug=.false. + type(psb_ls_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_ls_coo_sparse_mat) + call a%mv_from_coo(b,info) + class default + call b%mv_to_coo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + return + +end subroutine psb_ls_base_mv_from_fmt + +subroutine psb_ls_base_clean_zeros(a, info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_clean_zeros + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + integer(psb_ipk_), intent(out) :: info + ! + type(psb_ls_coo_sparse_mat) :: tmpcoo + + call a%mv_to_coo(tmpcoo,info) + if (info == 0) call tmpcoo%clean_zeros(info) + if (info == 0) call a%mv_from_coo(tmpcoo,info) + +end subroutine psb_ls_base_clean_zeros + + +subroutine psb_ls_base_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_csput_a + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + real(psb_spk_), intent(in) :: val(:) + integer(psb_lpk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: gtl(:) + + integer(psb_ipk_) :: err_act + character(len=20) :: name='csput' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_csput_a + +subroutine psb_ls_base_csput_v(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_csput_v + use psb_s_base_vect_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_s_base_vect_type), intent(inout) :: val + class(psb_l_base_vect_type), intent(inout) :: ia, ja + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + + integer(psb_lpk_) :: nzin, nzout + integer(psb_ipk_) :: err_act + character(len=20) :: name='csput_v' + integer :: jmin_, jmax_ + logical :: append_, rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (allocated(val%v).and.allocated(ia%v).and.allocated(ja%v)) then + if (a%is_dev()) call a%sync() + if (val%is_dev()) call val%sync() + if (ia%is_dev()) call ia%sync() + if (ja%is_dev()) call ja%sync() + call a%csput_a(nz,ia%v,ja%v,val%v,imin,imax,jmin,jmax,info,gtl) + else + info = psb_err_invalid_mat_state_ + endif + if (info /= 0) then + call psb_errpush(info,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_csput_v + +subroutine psb_ls_base_csgetrow(imin,imax,a,nz,ia,ja,val,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_csgetrow + implicit none + + class(psb_ls_base_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + real(psb_spk_), allocatable, intent(inout) :: val(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_csgetrow + + + +! +! Here we have the base implementation of getblk and clip: +! this is just based on the getrow. +! If performance is critical it can be overridden. +! +subroutine psb_ls_base_csgetblk(imin,imax,a,b,info,& + & jmin,jmax,iren,append,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_csgetblk + implicit none + + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_ls_coo_sparse_mat), intent(inout) :: b + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax + logical, intent(in), optional :: rscale,cscale + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout + character(len=20) :: name='csget' + integer(psb_lpk_) :: jmin_, jmax_ + logical :: append_, rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(append)) then + append_ = append + else + append_ = .false. + endif + if (append_) then + nzin = a%get_nzeros() + else + nzin = 0 + endif + if (present(rscale)) then + rscale_=rscale + else + rscale_=.false. + end if + if (present(cscale)) then + cscale_=cscale + else + cscale_=.false. + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if (append_.and.(rscale_.or.cscale_)) then + write(psb_err_unit,*) & + & 'ls_csgetblk: WARNING: dubious input: append_ and rscale_|cscale_' + end if + + if (rscale_) then + call b%set_nrows(imax-imin+1) + else + call b%set_nrows(max(min(imax,a%get_nrows()),b%get_nrows())) + end if + + if (cscale_) then + call b%set_ncols(jmax_-jmin_+1) + else + call b%set_ncols(max(min(jmax_,a%get_ncols()),b%get_ncols())) + end if + + call a%csget(imin,imax,nzout,b%ia,b%ja,b%val,info,& + & jmin=jmin, jmax=jmax, iren=iren, append=append_, & + & nzin=nzin, rscale=rscale, cscale=cscale) + + if (info /= psb_success_) goto 9999 + + call b%set_nzeros(nzin+nzout) + call b%fix(info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_csgetblk + + +subroutine psb_ls_base_csclip(a,b,info,& + & imin,imax,jmin,jmax,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_csclip + implicit none + + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_ls_coo_sparse_mat), intent(out) :: b + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + + integer(psb_lpk_) :: nzin, nzout, imin_, imax_, jmin_, jmax_, mb,nb + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + nzin = 0 + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = a%get_nrows() ! Should this be imax_ ?? + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = a%get_ncols() ! Should this be jmax_ ?? + endif + call b%allocate(mb,nb) + call a%csget(imin_,imax_,nzout,b%ia,b%ja,b%val,info,& + & jmin=jmin_, jmax=jmax_, append=.false., & + & nzin=nzin, rscale=rscale_, cscale=cscale_) + if (info /= psb_success_) goto 9999 + + call b%set_nzeros(nzin+nzout) + call b%fix(info) + + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_csclip + + +! +! Here we have the base implementation of tril and triu +! this is just based on the getrow. +! If performance is critical it can be overridden. +! +subroutine psb_ls_base_tril(a,l,info,& + & diag,imin,imax,jmin,jmax,rscale,cscale,u) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_tril + implicit none + + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_ls_coo_sparse_mat), intent(out) :: l + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + class(psb_ls_coo_sparse_mat), optional, intent(out) :: u + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout, i, j, k + integer(psb_lpk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz + integer(psb_lpk_), allocatable :: ia(:), ja(:) + real(psb_spk_), allocatable :: val(:) + character(len=20) :: name='tril' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(diag)) then + diag_ = diag + else + diag_ = 0 + end if + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = imax_ + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = jmax_ + endif + + + nz = a%get_nzeros() + call l%allocate(mb,nb,nz) + + if (present(u)) then + nzlin = l%get_nzeros() ! At this point it should be 0 + call u%allocate(mb,nb,nz) + nzuin = u%get_nzeros() ! At this point it should be 0 + call psb_realloc(max(mb,nb),ia,info) + call psb_realloc(max(mb,nb),ja,info) + call psb_realloc(max(mb,nb),val,info) + do i=imin_,imax_ + call a%csget(i,i,nzout,ia,ja,val,info,& + & jmin=jmin_, jmax=jmax_) + do k=1, nzout + j = ja(k) + if (j-i<=diag_) then + nzlin = nzlin + 1 + l%ia(nzlin) = ia(k) + l%ja(nzlin) = ja(k) + l%val(nzlin) = val(k) + else + nzuin = nzuin + 1 + u%ia(nzuin) = ia(k) + u%ja(nzuin) = ja(k) + u%val(nzuin) = val(k) + end if + end do + end do + + call l%set_nzeros(nzlin) + call u%set_nzeros(nzuin) + call u%fix(info) + nzout = u%get_nzeros() + if (rscale_) & + & u%ia(1:nzout) = u%ia(1:nzout) - imin_ + 1 + if (cscale_) & + & u%ja(1:nzout) = u%ja(1:nzout) - jmin_ + 1 + if ((diag_ >= -1).and.(imin_ == jmin_)) then + call u%set_triangle(.true.) + call u%set_lower(.false.) + end if + else + nzin = l%get_nzeros() ! At this point it should be 0 + do i=imin_,imax_ + k = min(jmax_,i+diag_) + call a%csget(i,i,nzout,l%ia,l%ja,l%val,info,& + & jmin=jmin_, jmax=k, append=.true., & + & nzin=nzin) + if (info /= psb_success_) goto 9999 + call l%set_nzeros(nzin+nzout) + nzin = nzin+nzout + end do + end if + call l%fix(info) + nzout = l%get_nzeros() + if (rscale_) & + & l%ia(1:nzout) = l%ia(1:nzout) - imin_ + 1 + if (cscale_) & + & l%ja(1:nzout) = l%ja(1:nzout) - jmin_ + 1 + + if ((diag_ <= 0).and.(imin_ == jmin_)) then + call l%set_triangle(.true.) + call l%set_lower(.true.) + end if + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_tril + +subroutine psb_ls_base_triu(a,u,info,& + & diag,imin,imax,jmin,jmax,rscale,cscale,l) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_triu + implicit none + + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_ls_coo_sparse_mat), intent(out) :: u + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + class(psb_ls_coo_sparse_mat), optional, intent(out) :: l + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout, i, j, k + integer(psb_lpk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz + integer(psb_lpk_), allocatable :: ia(:), ja(:) + real(psb_spk_), allocatable :: val(:) + character(len=20) :: name='triu' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(diag)) then + diag_ = diag + else + diag_ = 0 + end if + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = imax_ + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = jmax_ + endif + + + nz = a%get_nzeros() + call u%allocate(mb,nb,nz) + + if (present(l)) then + nzuin = u%get_nzeros() ! At this point it should be 0 + call l%allocate(mb,nb,nz) + nzlin = l%get_nzeros() ! At this point it should be 0 + call psb_realloc(max(mb,nb),ia,info) + call psb_realloc(max(mb,nb),ja,info) + call psb_realloc(max(mb,nb),val,info) + do i=imin_,imax_ + call a%csget(i,i,nzout,ia,ja,val,info,& + & jmin=jmin_, jmax=jmax_) + do k=1, nzout + j = ja(k) + if (j-i= 0).and.(imin_ == jmin_)) then + call u%set_triangle(.true.) + call u%set_upper(.true.) + end if + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_triu + + + +subroutine psb_ls_base_clone(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_clone + use psb_error_mod + implicit none + + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_ls_base_sparse_mat), allocatable, intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + info = 0 + if (allocated(b)) then + call b%free() + deallocate(b, stat=info) + end if + if (info /= 0) then + info = psb_err_alloc_dealloc_ + return + end if + + ! Do not use SOURCE allocation: this makes sure that + ! memory allocated elsewhere is treated properly. + allocate(b,mold=a,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call b%cp_from_fmt(a, info) + +end subroutine psb_ls_base_clone + +subroutine psb_ls_base_make_nonunit(a) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_make_nonunit + use psb_error_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + type(psb_ls_coo_sparse_mat) :: tmp + + integer(psb_ipk_) :: info + integer(psb_lpk_) :: i, j, m, n, nz, mnm + + if (a%is_unit()) then + call a%mv_to_coo(tmp,info) + if (info /= 0) return + m = tmp%get_nrows() + n = tmp%get_ncols() + mnm = min(m,n) + nz = tmp%get_nzeros() + call tmp%reallocate(nz+mnm) + do i=1, mnm + tmp%val(nz+i) = sone + tmp%ia(nz+i) = i + tmp%ja(nz+i) = i + end do + call tmp%set_nzeros(nz+mnm) + call tmp%set_unit(.false.) + call tmp%fix(info) + if (info /= 0) & + & call a%mv_from_coo(tmp,info) + end if + +end subroutine psb_ls_base_make_nonunit + +subroutine psb_ls_base_mold(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_mold + use psb_error_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_ls_base_sparse_mat), intent(inout), allocatable :: b + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_) :: err_act + character(len=20) :: name='base_mold' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_mold + +subroutine psb_ls_base_transp_2mat(a,b) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_transp_2mat + use psb_error_mod + implicit none + + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_lbase_sparse_mat), intent(out) :: b + + type(psb_ls_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='ls_base_transp' + + call psb_erractionsave(err_act) + + info = psb_success_ + select type(b) + class is (psb_ls_base_sparse_mat) + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call tmp%transp() + if (info == psb_success_) call b%mv_from_coo(tmp,info) + class default + info = psb_err_invalid_dynamic_type_ + end select + if (info /= psb_success_) then + call psb_errpush(info,name,a_err=b%get_fmt(),i_err=(/ione/)) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_transp_2mat + +subroutine psb_ls_base_transc_2mat(a,b) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_transc_2mat + implicit none + + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_lbase_sparse_mat), intent(out) :: b + + type(psb_ls_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='ls_base_transc' + + call psb_erractionsave(err_act) + + info = psb_success_ + select type(b) + class is (psb_ls_base_sparse_mat) + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call tmp%transc() + if (info == psb_success_) call b%mv_from_coo(tmp,info) + class default + info = psb_err_invalid_dynamic_type_ + end select + if (info /= psb_success_) then + call psb_errpush(info,name,a_err=b%get_fmt(),i_err=(/ione/)) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return +end subroutine psb_ls_base_transc_2mat + +subroutine psb_ls_base_transp_1mat(a) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_transp_1mat + use psb_error_mod + implicit none + + class(psb_ls_base_sparse_mat), intent(inout) :: a + + type(psb_ls_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='ls_base_transp' + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call tmp%transp() + if (info == psb_success_) call a%mv_from_coo(tmp,info) + + if (info /= psb_success_) then + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_transp_1mat + +subroutine psb_ls_base_transc_1mat(a) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_transc_1mat + implicit none + + class(psb_ls_base_sparse_mat), intent(inout) :: a + + type(psb_ls_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='ls_base_transc' + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call tmp%transc() + if (info == psb_success_) call a%mv_from_coo(tmp,info) + + if (info /= psb_success_) then + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_transc_1mat + + +! == ================================== +! +! +! +! Computational routines +! +! +! +! +! +! +! == ================================== + +subroutine psb_ls_base_csmm(alpha,a,x,beta,y,info,trans) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_csmm + use psb_error_mod + + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:,:) + real(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_base_csmm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_csmm + + +subroutine psb_ls_base_csmv(alpha,a,x,beta,y,info,trans) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_csmv + use psb_error_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:) + real(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_base_csmv' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + + +end subroutine psb_ls_base_csmv + + +subroutine psb_ls_base_inner_cssm(alpha,a,x,beta,y,info,trans) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_inner_cssm + use psb_error_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:,:) + real(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_base_inner_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_inner_cssm + + +subroutine psb_ls_base_inner_cssv(alpha,a,x,beta,y,info,trans) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_inner_cssv + use psb_error_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:) + real(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_base_inner_cssv' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_inner_cssv + + +subroutine psb_ls_base_cssm(alpha,a,x,beta,y,info,trans,scale,d) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cssm + use psb_error_mod + use psb_string_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:,:) + real(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + real(psb_spk_), intent(in), optional :: d(:) + + real(psb_spk_), allocatable :: tmp(:,:) + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='ls_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = min(size(x,2), size(y,2)) + if (size(x,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (size(y,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(d)) then + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (size(d,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + + allocate(tmp(nac,nc),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) then + do i=1, nac + tmp(i,1:nc) = d(i)*x(i,1:nc) + end do + end if + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmp,beta,y,info,trans) + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + + if (size(d,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + allocate(tmp(nar,nc),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(sone,x,szero,tmp,info,trans) + + if (info == psb_success_)then + do i=1, nar + tmp(i,1:nc) = d(i)*tmp(i,1:nc) + end do + end if + if (info == psb_success_) then + inar = nar + inc = nc + call psb_geaxpby(inar,inc,alpha,tmp,beta,y,info) + end if + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_cssm') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_cssm + + +subroutine psb_ls_base_cssv(alpha,a,x,beta,y,info,trans,scale,d) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cssv + use psb_error_mod + use psb_string_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:) + real(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + real(psb_spk_), intent(in), optional :: d(:) + + real(psb_spk_), allocatable :: tmp(:) + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='ls_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = 1 + if (size(x,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (size(y,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(d)) then + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (size(d,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + + allocate(tmp(nac),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call inner_vscal(nac,d,x,tmp) + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmp,beta,y,info,trans) + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + if (size(d,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + if (beta == szero) then + call a%inner_spsm(alpha,x,szero,y,info,trans) + if (info == psb_success_) call inner_vscal1(nar,d,y) + else + allocate(tmp(nar),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(alpha,x,szero,tmp,info,trans) + + if (info == psb_success_) call inner_vscal1(nar,d,tmp) + if (info == psb_success_) then + inar = nar + call psb_geaxpby(inar,sone,tmp,beta,y,info) + end if + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return +contains + subroutine inner_vscal(n,d,x,y) + implicit none + integer(psb_lpk_), intent(in) :: n + real(psb_spk_), intent(in) :: d(*),x(*) + real(psb_spk_), intent(out) :: y(*) + integer(psb_lpk_) :: i + + do i=1,n + y(i) = d(i)*x(i) + end do + end subroutine inner_vscal + + + subroutine inner_vscal1(n,d,x) + implicit none + integer(psb_lpk_), intent(in) :: n + real(psb_spk_), intent(in) :: d(*) + real(psb_spk_), intent(inout) :: x(*) + integer(psb_lpk_) :: i + + do i=1,n + x(i) = d(i)*x(i) + end do + end subroutine inner_vscal1 + +end subroutine psb_ls_base_cssv + + +subroutine psb_ls_base_scals(d,a,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_scals + use psb_error_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + real(psb_spk_), intent(in) :: d + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_scals' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_scals + + + +subroutine psb_ls_base_scal(d,a,info,side) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_scal + use psb_error_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + real(psb_spk_), intent(in) :: d(:) + integer(psb_ipk_), intent(out) :: info + character, intent(in), optional :: side + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_scal' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_scal + + + +function psb_ls_base_maxval(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_maxval + + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='maxval' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + res = szero + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end function psb_ls_base_maxval + + +function psb_ls_base_csnmi(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_realloc_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_csnmi + + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='csnmi' + real(psb_spk_), allocatable :: vt(:) + + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + res = szero + call psb_realloc(a%get_nrows(),vt,info) + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + call a%arwsum(vt) + res = maxval(vt) + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end function psb_ls_base_csnmi + +function psb_ls_base_csnm1(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_realloc_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_csnm1 + + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='csnm1' + real(psb_spk_), allocatable :: vt(:) + + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + res = szero + call psb_realloc(a%get_ncols(),vt,info) + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + call a%aclsum(vt) + res = maxval(vt) + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end function psb_ls_base_csnm1 + +subroutine psb_ls_base_rowsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_rowsum + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_rowsum + +subroutine psb_ls_base_arwsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_arwsum + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='arwsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_arwsum + +subroutine psb_ls_base_colsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_colsum + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='colsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_colsum + +subroutine psb_ls_base_aclsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_aclsum + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='aclsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_aclsum + + +subroutine psb_ls_base_get_diag(a,d,info) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_get_diag + + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='get_diag' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_get_diag + + +! == ================================== +! +! +! +! Computational routines for ls_VECT +! variables. If the actual data type is +! a "normal" one, these are sufficient. +! +! +! +! +! == ================================== + + + +subroutine psb_ls_base_vect_mv(alpha,a,x,beta,y,info,trans) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_vect_mv + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta + class(psb_s_base_vect_type), intent(inout) :: x + class(psb_s_base_vect_type), intent(inout) :: y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + ! For the time being we just throw everything back + ! onto the normal routines. + call x%sync() + call y%sync() + call a%spmm(alpha,x%v,beta,y%v,info,trans) + call y%set_host() +end subroutine psb_ls_base_vect_mv + +subroutine psb_ls_base_vect_cssv(alpha,a,x,beta,y,info,trans,scale,d) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_vect_cssv + use psb_s_base_vect_mod + use psb_error_mod + use psb_string_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta + class(psb_s_base_vect_type), intent(inout) :: x,y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + class(psb_s_base_vect_type), intent(inout),optional :: d + + real(psb_spk_), allocatable :: tmp(:) + class(psb_s_base_vect_type), allocatable :: tmpv + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='ls_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = 1 + if (x%get_nrows() < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (y%get_nrows() < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + call x%sync() + call y%sync() + if (present(d)) then + call d%sync() + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (d%get_nrows() < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + allocate(tmpv, mold=y,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call tmpv%mlt(sone,d%v(1:nac),x,szero,info) + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmpv,beta,y,info,trans) + + if (info == psb_success_) then + call tmpv%free(info) + if (info == psb_success_) deallocate(tmpv,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + if (d%get_nrows() < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + if (beta == szero) then + call a%inner_spsm(alpha,x,szero,y,info,trans) + if (info == psb_success_) call y%mlt(d%v(1:nar),info) + + else + allocate(tmpv, mold=y,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(alpha,x,szero,tmpv,info,trans) + + if (info == psb_success_) call tmpv%mlt(d%v(1:nar),info) + if (info == psb_success_) then + inar = nar + call y%axpby(inar,sone,tmpv,beta,info) + end if + if (info == psb_success_) then + call tmpv%free(info) + if (info == psb_success_) deallocate(tmpv,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_vect_cssv + + +subroutine psb_ls_base_inner_vect_sv(alpha,a,x,beta,y,info,trans) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_inner_vect_sv + use psb_error_mod + use psb_string_mod + use psb_s_base_vect_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta + class(psb_s_base_vect_type), intent(inout) :: x, y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_base_inner_vect_sv' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%inner_spsm(alpha,x%v,beta,y%v,info,trans) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_inner_vect_sv + + + + +subroutine psb_ls_base_cp_to_icoo(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cp_to_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_s_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_cp_to_icoo + +subroutine psb_ls_base_cp_from_icoo(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cp_from_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_s_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_ls_base_cp_from_icoo + + +subroutine psb_ls_base_cp_to_ifmt(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cp_to_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(in) :: a + class(psb_s_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_ifmt' + logical, parameter :: debug=.false. + type(psb_s_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_s_coo_sparse_mat) + call a%cp_to_icoo(b,info) + class default + call a%cp_to_icoo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_cp_to_ifmt + +subroutine psb_ls_base_cp_from_ifmt(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_cp_from_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_s_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_ifmt' + logical, parameter :: debug=.false. + type(psb_ls_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_s_coo_sparse_mat) + call a%cp_from_icoo(b,info) + class default + call b%cp_to_lcoo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_cp_from_ifmt + + +subroutine psb_ls_base_mv_to_icoo(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_mv_to_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_s_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_icoo' + logical, parameter :: debug=.false. + + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_to_icoo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to coo') + goto 9999 + end if + + call a%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_mv_to_icoo + +subroutine psb_ls_base_mv_from_icoo(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_mv_from_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_s_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_icoo' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_from_icoo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='from coo') + goto 9999 + end if + + call b%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_base_mv_from_icoo + + +subroutine psb_ls_base_mv_to_ifmt(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_mv_to_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_s_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_ifmt' + logical, parameter :: debug=.false. + type(psb_s_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_s_coo_sparse_mat) + call a%mv_to_icoo(b,info) + class default + call a%mv_to_icoo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + + return + +end subroutine psb_ls_base_mv_to_ifmt + +subroutine psb_ls_base_mv_from_ifmt(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_base_mv_from_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_ls_base_sparse_mat), intent(inout) :: a + class(psb_s_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_ifmt' + logical, parameter :: debug=.false. + type(psb_ls_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_s_coo_sparse_mat) + call a%mv_from_icoo(b,info) + class default + call b%mv_to_lcoo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + return + +end subroutine psb_ls_base_mv_from_ifmt + + + + + + diff --git a/base/serial/impl/psb_s_lcoo_impl.f90 b/base/serial/impl/psb_s_lcoo_impl.f90 new file mode 100644 index 00000000..e1ae1c09 --- /dev/null +++ b/base/serial/impl/psb_s_lcoo_impl.f90 @@ -0,0 +1,4125 @@ +! +! Parallel Sparse BLAS version 3.5 +! (C) Copyright 2006-2018 +! Salvatore Filippone +! Alfredo Buttari +! +! Redistribution and use in source and binary forms, with or without +! modification, are permitted provided that the following conditions +! are met: +! 1. Redistributions of source code must retain the above copyright +! notice, this list of conditions and the following disclaimer. +! 2. Redistributions in binary form must reproduce the above copyright +! notice, this list of conditions, and the following disclaimer in the +! documentation and/or other materials provided with the distribution. +! 3. The name of the PSBLAS group or the names of its contributors may +! not be used to endorse or promote products derived from this +! software without specific written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! + +subroutine psb_ls_coo_get_diag(a,d,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_get_diag + use psb_error_mod + use psb_const_mod + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j + character(len=20) :: name='get_diag' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + mnm = min(a%get_nrows(),a%get_ncols()) + if (size(d) < mnm) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + if (a%is_unit()) then + d(1:mnm) = sone + else + d(1:mnm) = szero + do i=1,a%get_nzeros() + j=a%ia(i) + if ((j == a%ja(i)) .and.(j <= mnm ) .and.(j>0)) then + d(j) = a%val(i) + endif + enddo + end if + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_get_diag + + +subroutine psb_ls_coo_scal(d,a,info,side) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_scal + use psb_error_mod + use psb_const_mod + use psb_string_mod + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + real(psb_spk_), intent(in) :: d(:) + integer(psb_ipk_), intent(out) :: info + character, intent(in), optional :: side + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j, m + character(len=20) :: name='scal' + character :: side_ + logical :: left + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + call a%make_nonunit() + end if + + side_ = 'L' + if (present(side)) then + side_ = psb_toupper(side) + end if + + left = (side_ == 'L') + + if (left) then + m = a%get_nrows() + if (size(d) < m) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + do i=1,a%get_nzeros() + j = a%ia(i) + a%val(i) = a%val(i) * d(j) + enddo + else + m = a%get_ncols() + if (size(d) < m) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + do i=1,a%get_nzeros() + j = a%ja(i) + a%val(i) = a%val(i) * d(j) + enddo + end if + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_scal + + +subroutine psb_ls_coo_scals(d,a,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_scals + use psb_error_mod + use psb_const_mod + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + real(psb_spk_), intent(in) :: d + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j, m + character(len=20) :: name='scal' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + call a%make_nonunit() + end if + + do i=1,a%get_nzeros() + a%val(i) = a%val(i) * d + enddo + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_scals + + +subroutine psb_ls_coo_reallocate_nz(nz,a) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_reallocate_nz + use psb_error_mod + use psb_realloc_mod + implicit none + integer(psb_lpk_), intent(in) :: nz + class(psb_ls_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz_ + character(len=20) :: name='ls_coo_reallocate_nz' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + nz_ = max(nz,ione) + call psb_realloc(nz_,a%ia,info) + if (info == psb_success_) call psb_realloc(nz_,a%ja,info) + if (info == psb_success_) call psb_realloc(nz_,a%val,info) + + if (info /= psb_success_) then + call psb_errpush(psb_err_alloc_dealloc_,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_reallocate_nz + +subroutine psb_ls_coo_mold(a,b,info) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_mold + use psb_error_mod + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + class(psb_ls_base_sparse_mat), intent(inout), allocatable :: b + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_) :: err_act + character(len=20) :: name='coo_mold' + logical, parameter :: debug=.false. + + call psb_get_erraction(err_act) + + info = 0 + if (allocated(b)) then + call b%free() + deallocate(b,stat=info) + end if + if (info == 0) allocate(psb_ls_coo_sparse_mat :: b, stat=info) + + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info, name) + goto 9999 + end if + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_mold + +subroutine psb_ls_coo_reinit(a,clear) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_reinit + use psb_error_mod + implicit none + + class(psb_ls_coo_sparse_mat), intent(inout) :: a + logical, intent(in), optional :: clear + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='reinit' + logical :: clear_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + + if (present(clear)) then + clear_ = clear + else + clear_ = .true. + end if + + if (a%is_dev()) call a%sync() + if (a%is_bld() .or. a%is_upd()) then + ! do nothing + return + else if (a%is_asb()) then + if (clear_) a%val(:) = szero + call a%set_host() + call a%set_upd() + else + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_reinit + + + +subroutine psb_ls_coo_trim(a) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_trim + use psb_realloc_mod + use psb_error_mod + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz + character(len=20) :: name='trim' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + nz = a%get_nzeros() + if (info == psb_success_) call psb_realloc(nz,a%ia,info) + if (info == psb_success_) call psb_realloc(nz,a%ja,info) + if (info == psb_success_) call psb_realloc(nz,a%val,info) + + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_trim + +subroutine psb_ls_coo_clean_zeros(a, info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_clean_zeros + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: info + ! + integer(psb_lpk_) :: i,j,k, nzin + + info = 0 + nzin = a%get_nzeros() + j = 0 + do i=1, nzin + if (a%val(i) /= szero) then + j = j + 1 + a%val(j) = a%val(i) + a%ia(j) = a%ia(i) + a%ja(j) = a%ja(i) + end if + end do + call a%set_nzeros(j) + call a%trim() +end subroutine psb_ls_coo_clean_zeros + + + +subroutine psb_ls_coo_allocate_mnnz(m,n,a,nz) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_allocate_mnnz + use psb_error_mod + use psb_realloc_mod + implicit none + integer(psb_lpk_), intent(in) :: m,n + class(psb_ls_coo_sparse_mat), intent(inout) :: a + integer(psb_lpk_), intent(in), optional :: nz + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz_ + character(len=20) :: name='allocate_mnz' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + if (m < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/ione,izero/)) + goto 9999 + endif + if (n < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/2_psb_ipk_,izero/)) + goto 9999 + endif + if (present(nz)) then + nz_ = max(nz,ione) + else + nz_ = max(7*m,7*n,ione) + end if + if (nz_ < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/3_psb_ipk_,izero/)) + goto 9999 + endif + if (info == psb_success_) call psb_realloc(nz_,a%ia,info) + if (info == psb_success_) call psb_realloc(nz_,a%ja,info) + if (info == psb_success_) call psb_realloc(nz_,a%val,info) + if (info == psb_success_) then + call a%set_nrows(m) + call a%set_ncols(n) + call a%set_nzeros(lzero) + call a%set_bld() + call a%set_triangle(.false.) + call a%set_unit(.false.) + call a%set_dupl(psb_dupl_def_) + ! An empty matrix is sorted! + call a%set_sorted(.true.) + call a%set_host() + end if + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_allocate_mnnz + + + +subroutine psb_ls_coo_print(iout,a,iv,head,ivr,ivc) + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_print + use psb_string_mod + implicit none + + integer(psb_ipk_), intent(in) :: iout + class(psb_ls_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in), optional :: iv(:) + character(len=*), optional :: head + integer(psb_lpk_), intent(in), optional :: ivr(:), ivc(:) + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_coo_print' + logical, parameter :: debug=.false. + + character(len=*), parameter :: datatype='real' + character(len=80) :: frmtv + integer(psb_lpk_) :: i,j, nmx, ni, nr, nc, nz + + write(iout,'(a)') '%%MatrixMarket matrix coordinate real general' + if (present(head)) write(iout,'(a,a)') '% ',head + write(iout,'(a)') '%' + write(iout,'(a,a)') '% COO' + + if (a%is_dev()) call a%sync() + + nr = a%get_nrows() + nc = a%get_ncols() + nz = a%get_nzeros() + nmx = max(nr,nc,1) + if (present(iv)) nmx = max(nmx,maxval(abs(iv))) + if (present(ivr)) nmx = max(nmx,maxval(abs(ivr))) + if (present(ivc)) nmx = max(nmx,maxval(abs(ivc))) + ni = floor(log10(1.0*nmx)) + 1 + + if (datatype=='real') then + write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),es26.18,1x,2(i',ni,',1x))' + else + write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),2(es26.18,1x),2(i',ni,',1x))' + end if + write(iout,*) nr, nc, nz + if(present(iv)) then + do j=1,a%get_nzeros() + write(iout,frmtv) iv(a%ia(j)),iv(a%ja(j)),a%val(j) + enddo + else + if (present(ivr).and..not.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) ivr(a%ia(j)),a%ja(j),a%val(j) + enddo + else if (present(ivr).and.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) ivr(a%ia(j)),ivc(a%ja(j)),a%val(j) + enddo + else if (.not.present(ivr).and.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) a%ia(j),ivc(a%ja(j)),a%val(j) + enddo + else if (.not.present(ivr).and..not.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) a%ia(j),a%ja(j),a%val(j) + enddo + endif + endif + +end subroutine psb_ls_coo_print + + + + +function psb_ls_coo_get_nz_row(idx,a) result(res) + use psb_const_mod + use psb_sort_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_get_nz_row + implicit none + + class(psb_ls_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: idx + integer(psb_lpk_) :: res + integer(psb_lpk_) :: nzin_, nza,ip,jp,i,k + integer(psb_ipk_) :: inza + + if (a%is_dev()) call a%sync() + res = 0 + nza = a%get_nzeros() + if (a%is_by_rows()) then + ! In this case we can do a binary search. + inza = nza + ip = psb_bsrch(idx,inza,a%ia) + if (ip /= -1) return + jp = ip + do + if (ip < 2) exit + if (a%ia(ip-1) == idx) then + ip = ip -1 + else + exit + end if + end do + do + if (jp == nza) exit + if (a%ia(jp+1) == idx) then + jp = jp + 1 + else + exit + end if + end do + + res = jp - ip +1 + + else + + res = 0 + + do i=1, nza + if (a%ia(i) == idx) then + res = res + 1 + end if + end do + + end if + +end function psb_ls_coo_get_nz_row + +subroutine psb_ls_coo_cssm(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_cssm + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:,:) + real(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: tmp(:,:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_base_csmm' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + if (a%is_dev()) call a%sync() + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + m = a%get_nrows() + if (size(x,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nc = min(size(x,2) , size(y,2)) + nnz = a%get_nzeros() + + if (alpha == szero) then + if (beta == szero) then + do i = 1, m + y(i,1:nc) = szero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + return + end if + + if (beta == szero) then + call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & m,nc,nnz,a%ia,a%ja,a%val,& + & x,size(x,1,kind=psb_lpk_),y,size(y,1,kind=psb_lpk_),info) + do i = 1, m + y(i,1:nc) = alpha*y(i,1:nc) + end do + else + allocate(tmp(m,nc), stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & m,nc,nnz,a%ia,a%ja,a%val,& + & x,size(x,1,kind=psb_lpk_),tmp,size(tmp,1,kind=psb_lpk_),info) + do i = 1, m + y(i,1:nc) = alpha*tmp(i,1:nc) + beta*y(i,1:nc) + end do + end if + + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='inner_coosm') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + + +contains + + subroutine inner_coosm(tra,ctra,lower,unit,sorted,nr,nc,nz,& + & ia,ja,val,x,ldx,y,ldy,info) + implicit none + logical, intent(in) :: tra,ctra,lower,unit,sorted + integer(psb_lpk_), intent(in) :: nr,nc,nz,ldx,ldy,ia(*),ja(*) + real(psb_spk_), intent(in) :: val(*), x(ldx,*) + real(psb_spk_), intent(out) :: y(ldy,*) + integer(psb_ipk_), intent(out) :: info + + integer(psb_lpk_) :: i,j,k,m, ir, jc + real(psb_spk_), allocatable :: acc(:) + + info = psb_success_ + allocate(acc(nc), stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + return + end if + + + if (.not.sorted) then + info = psb_err_invalid_mat_state_ + return + end if + + nnz = nz + + + if ((.not.tra).and.(.not.ctra)) then + + if (lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = szero + do + if (j > nnz) exit + if (ia(j) > i) exit + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j + 1 + end do + y(i,1:nc) = x(i,1:nc) - acc(1:nc) + end do + else if (.not.unit) then + j = 1 + do i=1, nr + acc(1:nc) = szero + do + if (j > nnz) exit + if (ia(j) > i) exit + if (ja(j) == i) then + y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j) + j = j + 1 + exit + end if + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j + 1 + end do + end do + end if + + else if (.not.lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = szero + do + if (j < 1) exit + if (ia(j) < i) exit + acc(1:nc) = acc(1:nc) + val(j)*x(ja(j),1:nc) + j = j - 1 + end do + y(i,1:nc) = x(i,1:nc) - acc(1:nc) + end do + + else if (.not.unit) then + + j = nnz + do i=nr, 1, -1 + acc(1:nc) = szero + do + if (j < 1) exit + if (ia(j) < i) exit + if (ja(j) == i) then + y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j) + j = j - 1 + exit + end if + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j - 1 + end do + end do + end if + + end if + + else if (tra) then + + do i=1, nr + y(i,1:nc) = x(i,1:nc) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) /val(j) + j = j - 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) /val(j) + j = j + 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j + 1 + end do + end do + end if + end if + end if + + else if (ctra) then + + do i=1, nr + y(i,1:nc) = x(i,1:nc) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc) + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) / (val(j)) + j = j - 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc) + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc) + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) / (val(j)) + j = j + 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc) + j = j + 1 + end do + end do + end if + end if + end if + + end if + end subroutine inner_coosm + +end subroutine psb_ls_coo_cssm + + + +subroutine psb_ls_coo_cssv(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_cssv + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:) + real(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: tmp(:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_coo_cssv_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + if (a%is_dev()) call a%sync() + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + m = a%get_nrows() + if (size(x,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + + if (alpha == szero) then + if (beta == szero) then + do i = 1, m + y(i) = szero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + return + end if + + if (beta == szero) then + call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,& + & x,y,info) + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + do i = 1, m + y(i) = alpha*y(i) + end do + else + allocate(tmp(m), stat=info) + if (info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,& + & x,tmp,info) + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + do i = 1, m + y(i) = alpha*tmp(i) + beta*y(i) + end do + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +contains + + subroutine inner_coosv(tra,ctra,lower,unit,sorted,nr,nz,& + & ia,ja,val,x,y,info) + implicit none + logical, intent(in) :: tra,ctra,lower,unit,sorted + integer(psb_lpk_), intent(in) :: nr,nz,ia(*),ja(*) + real(psb_spk_), intent(in) :: val(*), x(*) + real(psb_spk_), intent(out) :: y(*) + integer(psb_ipk_), intent(out) :: info + + integer(psb_lpk_) :: i,j,k,m, ir, jc, nnz + real(psb_spk_) :: acc + + info = psb_success_ + if (.not.sorted) then + info = psb_err_invalid_mat_state_ + return + end if + + nnz = nz + + if ((.not.tra).and.(.not.ctra)) then + + if (lower) then + if (unit) then + j = 1 + do i=1, nr + acc = szero + do + if (j > nnz) exit + if (ia(j) > i) exit + acc = acc + val(j)*y(ja(j)) + j = j + 1 + end do + y(i) = x(i) - acc + end do + else if (.not.unit) then + j = 1 + do i=1, nr + acc = szero + do + if (j > nnz) exit + if (ia(j) > i) exit + if (ja(j) == i) then + y(i) = (x(i) - acc)/val(j) + j = j + 1 + exit + end if + acc = acc + val(j)*y(ja(j)) + j = j + 1 + end do + end do + end if + + else if (.not.lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = szero + do + if (j < 1) exit + if (ia(j) < i) exit + acc = acc + val(j)*y(ja(j)) + j = j - 1 + end do + y(i) = x(i) - acc + end do + + else if (.not.unit) then + + j = nnz + do i=nr, 1, -1 + acc = szero + do + if (j < 1) exit + if (ia(j) < i) exit + if (ja(j) == i) then + y(i) = (x(i) - acc)/val(j) + j = j - 1 + exit + end if + acc = acc + val(j)*y(ja(j)) + j = j - 1 + end do + end do + end if + + end if + + else if (tra) then + + do i=1, nr + y(i) = x(i) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i) = y(i) /val(j) + j = j - 1 + end if + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i) = y(i) /val(j) + j = j + 1 + end if + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j + 1 + end do + end do + end if + end if + end if + + else if (ctra) then + + do i=1, nr + y(i) = x(i) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - (val(j))*acc + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i) = y(i) /(val(j)) + j = j - 1 + end if + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - (val(j))*acc + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - (val(j))*acc + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i) = y(i) /(val(j)) + j = j + 1 + end if + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - (val(j))*acc + j = j + 1 + end do + end do + end if + end if + end if + end if + + end subroutine inner_coosv + + +end subroutine psb_ls_coo_cssv + +subroutine psb_ls_coo_csmv(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_csmv + implicit none + + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:) + real(psb_spk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc + real(psb_spk_) :: acc + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_coo_csmv_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + if (a%is_dev()) call a%sync() + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + + + if (tra.or.ctra) then + m = a%get_ncols() + n = a%get_nrows() + else + n = a%get_ncols() + m = a%get_nrows() + end if + if (size(x,1) < n) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),n/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nnz = a%get_nzeros() + + if (alpha == szero) then + if (beta == szero) then + do i = 1, m + y(i) = szero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + return + else + if (a%is_unit()) then + if (beta == szero) then + do i = 1, min(m,n) + y(i) = alpha*x(i) + enddo + do i = min(m,n)+1, m + y(i) = szero + enddo + else + do i = 1, min(m,n) + y(i) = beta*y(i) + alpha*x(i) + end do + do i = min(m,n)+1, m + y(i) = beta*y(i) + enddo + endif + else + if (beta == szero) then + do i = 1, m + y(i) = szero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + + endif + + end if + + if ((.not.tra).and.(.not.ctra)) then + i = 1 + j = i + if (nnz > 0) then + ir = a%ia(1) + acc = szero + do + if (i>nnz) then + y(ir) = y(ir) + alpha * acc + exit + endif + if (a%ia(i) /= ir) then + y(ir) = y(ir) + alpha * acc + ir = a%ia(i) + acc = szero + endif + acc = acc + a%val(i) * x(a%ja(i)) + i = i + 1 + enddo + end if + + else if (tra) then + + if (alpha == sone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + a%val(i)*x(jc) + enddo + + else if (alpha == -sone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) - a%val(i)*x(jc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + alpha*a%val(i)*x(jc) + enddo + + end if !.....end testing on alpha + + else if (ctra) then + + if (alpha == sone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + (a%val(i))*x(jc) + enddo + + else if (alpha == -sone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) - (a%val(i))*x(jc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + alpha*(a%val(i))*x(jc) + enddo + + end if !.....end testing on alpha + + endif + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_csmv + + +subroutine psb_ls_coo_csmm(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_csmm + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(in) :: alpha, beta, x(:,:) + real(psb_spk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_), allocatable :: acc(:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_coo_csmm_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + if (a%is_dev()) call a%sync() + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + + + if (tra.or.ctra) then + m = a%get_ncols() + n = a%get_nrows() + else + n = a%get_ncols() + m = a%get_nrows() + end if + if (size(x,1) < n) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),n/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nnz = a%get_nzeros() + + nc = min(size(x,2), size(y,2)) + allocate(acc(nc),stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + + if (alpha == szero) then + if (beta == szero) then + do i = 1, m + y(i,1:nc) = szero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + return + else + if (a%is_unit()) then + if (beta == szero) then + do i = 1, min(m,n) + y(i,1:nc) = alpha*x(i,1:nc) + enddo + do i = min(m,n)+1, m + y(i,1:nc) = szero + enddo + else + do i = 1, min(m,n) + y(i,1:nc) = beta*y(i,1:nc) + alpha*x(i,1:nc) + end do + do i = min(m,n)+1, m + y(i,1:nc) = beta*y(i,1:nc) + enddo + endif + else + if (beta == szero) then + do i = 1, m + y(i,1:nc) = szero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + + endif + + end if + + if (.not.tra) then + i = 1 + j = i + if (nnz > 0) then + ir = a%ia(1) + acc = szero + do + if (i>nnz) then + y(ir,1:nc) = y(ir,1:nc) + alpha * acc + exit + endif + if (a%ia(i) /= ir) then + y(ir,1:nc) = y(ir,1:nc) + alpha * acc + ir = a%ia(i) + acc = szero + endif + acc = acc + a%val(i) * x(a%ja(i),1:nc) + i = i + 1 + enddo + end if + + else if (tra) then + + if (alpha == sone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + a%val(i)*x(jc,1:nc) + enddo + + else if (alpha == -sone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) - a%val(i)*x(jc,1:nc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + alpha*a%val(i)*x(jc,1:nc) + enddo + + end if !.....end testing on alpha + + else if (ctra) then + + if (alpha == sone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + (a%val(i))*x(jc,1:nc) + enddo + + else if (alpha == -sone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) - (a%val(i))*x(jc,1:nc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + alpha*(a%val(i))*x(jc,1:nc) + enddo + + end if !.....end testing on alpha + + endif + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_csmm + +function psb_ls_coo_maxval(a) result(res) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_maxval + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_ipk_) :: info + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + character(len=20) :: name='ls_coo_maxval' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + res = sone + else + res = szero + end if + nnz = a%get_nzeros() + if (allocated(a%val)) then + nnz = min(nnz,size(a%val)) + res = maxval(abs(a%val(1:nnz))) + end if + +end function psb_ls_coo_maxval + +function psb_ls_coo_csnmi(a) result(res) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_csnmi + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra, is_unit + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='ls_coo_csnmi' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + res = szero + nnz = a%get_nzeros() + is_unit = a%is_unit() + if (a%is_by_rows()) then + i = 1 + j = i + res = szero + do while (i<=nnz) + do while ((a%ia(j) == a%ia(i)).and. (j <= nnz)) + j = j+1 + enddo + if (is_unit) then + acc = sone + else + acc = szero + end if + do k=i, j-1 + acc = acc + abs(a%val(k)) + end do + res = max(res,acc) + i = j + end do + else + m = a%get_nrows() + allocate(vt(m),stat=info) + if (info /= 0) return + if (is_unit) then + vt = sone + else + vt = szero + end if + do j=1, nnz + i = a%ia(j) + vt(i) = vt(i) + abs(a%val(j)) + end do + res = maxval(vt(1:m)) + deallocate(vt,stat=info) + end if + +end function psb_ls_coo_csnmi + + +function psb_ls_coo_csnm1(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_csnm1 + + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_) :: res + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='ls_coo_csnm1' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + res = szero + nnz = a%get_nzeros() + n = a%get_ncols() + allocate(vt(n),stat=info) + if (info /= 0) return + if (a%is_unit()) then + vt = sone + else + vt = szero + end if + do j=1, nnz + i = a%ja(j) + vt(i) = vt(i) + abs(a%val(j)) + end do + res = maxval(vt(1:n)) + deallocate(vt,stat=info) + + return + +end function psb_ls_coo_csnm1 + +subroutine psb_ls_coo_rowsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_rowsum + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + m = a%get_nrows() + + if (size(d) < m) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),m/)) + goto 9999 + end if + + if (a%is_unit()) then + d = sone + else + d = szero + end if + nnz = a%get_nzeros() + do j=1, nnz + i = a%ia(j) + d(i) = d(i) + a%val(j) + end do + + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_rowsum + +subroutine psb_ls_coo_arwsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_arwsum + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + m = a%get_nrows() + if (size(d) < m) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),m/)) + goto 9999 + end if + + if (a%is_unit()) then + d = sone + else + d = szero + end if + nnz = a%get_nzeros() + do j=1, nnz + i = a%ia(j) + d(i) = d(i) + abs(a%val(j)) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_arwsum + +subroutine psb_ls_coo_colsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_colsum + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='colsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + n = a%get_ncols() + if (size(d) < n) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),n/)) + goto 9999 + end if + + if (a%is_unit()) then + d = sone + else + d = szero + end if + + nnz = a%get_nzeros() + do j=1, nnz + k = a%ja(j) + d(k) = d(k) + a%val(j) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_colsum + +subroutine psb_ls_coo_aclsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_aclsum + class(psb_ls_coo_sparse_mat), intent(in) :: a + real(psb_spk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_spk_) :: acc + real(psb_spk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='aclsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + n = a%get_ncols() + if (size(d) < n) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),n/)) + goto 9999 + end if + + + if (a%is_unit()) then + d = sone + else + d = szero + end if + + nnz = a%get_nzeros() + do j=1, nnz + k = a%ja(j) + d(k) = d(k) + abs(a%val(j)) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_aclsum + + + +! == ================================== +! +! +! +! Data management +! +! +! +! +! +! == ================================== + + + +subroutine psb_ls_coo_csgetptn(imin,imax,a,nz,ia,ja,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_csgetptn + implicit none + + class(psb_ls_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + + logical :: append_, rscale_, cscale_ + integer(psb_lpk_) :: nzin_, jmin_, jmax_, i + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + info = psb_success_ + nz = 0 + + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if ((imax= psb_debug_serial_)& + & write(debug_unit,*) trim(name), ': srtdcoo ' + do + ip = psb_bsrch(irw,inza,a%ia) + if (ip /= -1) exit + irw = irw + 1 + if (irw > imax) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error? ',& + & irw,lrw,imin + exit + end if + end do + + if (ip /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (ip < 2) exit + if (a%ia(ip-1) == irw) then + ip = ip -1 + else + exit + end if + end do + + end if + + do + jp = psb_bsrch(lrw,inza,a%ia) + if (jp /= -1) exit + lrw = lrw - 1 + if (irw > lrw) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error?' + exit + end if + end do + + if (jp /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (jp == nza) exit + if (a%ia(jp+1) == lrw) then + jp = jp + 1 + else + exit + end if + end do + end if + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': ip jp',ip,jp,nza + if ((ip /= -1) .and.(jp /= -1)) then + ! Now do the copy. + nzt = jp - ip +1 + nz = 0 + + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + if (present(iren)) then + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nzin_ = nzin_ + 1 + nz = nz + 1 + ia(nzin_) = iren(a%ia(i)) + ja(nzin_) = iren(a%ja(i)) + end if + enddo + else + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nzin_ = nzin_ + 1 + nz = nz + 1 + ia(nzin_) = a%ia(i) + ja(nzin_) = a%ja(i) + end if + enddo + end if + else + nz = 0 + end if + + else + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': unsorted ' + + nrd = max(a%get_nrows(),1) + nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1) + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + if (present(iren)) then + k = 0 + do i=1, a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + end if + ia(nzin_+k) = iren(a%ia(i)) + ja(nzin_+k) = iren(a%ja(i)) + endif + enddo + else + k = 0 + do i=1,a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + end if + ia(nzin_+k) = (a%ia(i)) + ja(nzin_+k) = (a%ja(i)) + endif + enddo + nzin_=nzin_+k + end if + nz = k + end if + + end subroutine coo_getptn + +end subroutine psb_ls_coo_csgetptn + + +! +! NZ is the number of non-zeros on output. +! The output is guaranteed to be sorted +! +subroutine psb_ls_coo_csgetrow(imin,imax,a,nz,ia,ja,val,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_csgetrow + implicit none + + class(psb_ls_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + real(psb_spk_), allocatable, intent(inout) :: val(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + + logical :: append_, rscale_, cscale_ + integer(psb_lpk_) :: nzin_, jmin_, jmax_, i + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + info = psb_success_ + nz = 0 + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if ((imax= psb_debug_serial_)& + & write(debug_unit,*) trim(name), ': srtdcoo ' + do + ip = psb_bsrch(irw,inza,a%ia) + if (ip /= -1) exit + irw = irw + 1 + if (irw > imax) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error? ',& + & irw,lrw,imin + exit + end if + end do + + if (ip /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (ip < 2) exit + if (a%ia(ip-1) == irw) then + ip = ip -1 + else + exit + end if + end do + + end if + + do + jp = psb_bsrch(lrw,inza,a%ia) + if (jp /= -1) exit + lrw = lrw - 1 + if (irw > lrw) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error?' + exit + end if + end do + + if (jp /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (jp == nza) exit + if (a%ia(jp+1) == lrw) then + jp = jp + 1 + else + exit + end if + end do + end if + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': ip jp',ip,jp,nza + if ((ip /= -1) .and.(jp /= -1)) then + ! Now do the copy. + nzt = jp - ip +1 + nz = 0 + + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + if (present(iren)) then + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nz = nz + 1 + val(nzin_+nz) = a%val(i) + ia(nzin_+nz) = iren(a%ia(i)) + ja(nzin_+nz) = iren(a%ja(i)) + end if + enddo + call psb_ls_fix_coo_inner(nra,nca,nzin_+nz,psb_dupl_add_,ia,ja,val,nz,info) + nz = nz - nzin_ + else + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nz = nz + 1 + val(nzin_+nz) = a%val(i) + ia(nzin_+nz) = a%ia(i) + ja(nzin_+nz) = a%ja(i) + end if + enddo + end if + else + nz = 0 + end if + + else + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': unsorted ' + + nrd = max(a%get_nrows(),1) + nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1) + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + if (present(iren)) then + k = 0 + do i=1, a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + end if + val(nzin_+k) = a%val(i) + ia(nzin_+k) = iren(a%ia(i)) + ja(nzin_+k) = iren(a%ja(i)) + endif + enddo + else + k = 0 + do i=1,a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + end if + val(nzin_+k) = a%val(i) + ia(nzin_+k) = (a%ia(i)) + ja(nzin_+k) = (a%ja(i)) + endif + enddo + end if + call psb_ls_fix_coo_inner(nra,nca,nzin_+k,psb_dupl_add_,ia,ja,val,nz,info) + nz = nz - nzin_ + end if + + end subroutine coo_getrow + +end subroutine psb_ls_coo_csgetrow + + +subroutine psb_ls_coo_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_realloc_mod + use psb_sort_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_csput_a + implicit none + + class(psb_ls_coo_sparse_mat), intent(inout) :: a + real(psb_spk_), intent(in) :: val(:) + integer(psb_lpk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + + + integer(psb_ipk_) :: err_act + character(len=20) :: name='ls_coo_csput_a_impl' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: nza, i,j,k, nzl, isza + integer(psb_ipk_) :: debug_level, debug_unit + + info = psb_success_ + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (nz < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/1_psb_ipk_/)) + goto 9999 + end if + if (size(ia) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/2_psb_ipk_/)) + goto 9999 + end if + + if (size(ja) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/3_psb_ipk_/)) + goto 9999 + end if + if (size(val) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/4_psb_ipk_/)) + goto 9999 + end if + + if (nz == 0) return + + + nza = a%get_nzeros() + isza = a%get_size() + if (a%is_bld()) then + ! Build phase. Must handle reallocations in a sensible way. + if (isza < (nza+nz)) then + call a%reallocate(max(nza+nz,int(1.5*isza))) + endif + isza = a%get_size() + if (isza < (nza+nz)) then + info = psb_err_alloc_dealloc_; call psb_errpush(info,name) + goto 9999 + end if + + call psb_inner_ins(nz,ia,ja,val,nza,a%ia,a%ja,a%val,isza,& + & imin,imax,jmin,jmax,info,gtl) + call a%set_nzeros(nza) + call a%set_sorted(.false.) + + + else if (a%is_upd()) then + + if (a%is_dev()) call a%sync() + + call ls_coo_srch_upd(nz,ia,ja,val,a,& + & imin,imax,jmin,jmax,info,gtl) + + if (info < 0) then + info = psb_err_internal_error_ + else if (info > 0) then + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Discarded entries not belonging to us.' + info = psb_success_ + end if + else + ! State is wrong. + info = psb_err_invalid_mat_state_ + end if + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +contains + + subroutine psb_inner_ins(nz,ia,ja,val,nza,ia1,ia2,aspk,maxsz,& + & imin,imax,jmin,jmax,info,gtl) + implicit none + + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax,maxsz + integer(psb_lpk_), intent(in) :: ia(:),ja(:) + integer(psb_lpk_), intent(inout) :: nza,ia1(:),ia2(:) + real(psb_spk_), intent(in) :: val(:) + real(psb_spk_), intent(inout) :: aspk(:) + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + integer(psb_lpk_) :: i,ir,ic,ng + + info = psb_success_ + if (present(gtl)) then + ng = size(gtl) + + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + ic = gtl(ic) + if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then + nza = nza + 1 + ia1(nza) = ir + ia2(nza) = ic + aspk(nza) = val(i) + end if + end if + end do + else + + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then + nza = nza + 1 + ia1(nza) = ir + ia2(nza) = ic + aspk(nza) = val(i) + end if + end do + end if + + end subroutine psb_inner_ins + + + subroutine ls_coo_srch_upd(nz,ia,ja,val,a,& + & imin,imax,jmin,jmax,info,gtl) + + use psb_const_mod + use psb_realloc_mod + use psb_string_mod + implicit none + + class(psb_ls_coo_sparse_mat), intent(inout) :: a + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax + integer(psb_lpk_), intent(in) :: ia(:),ja(:) + real(psb_spk_), intent(in) :: val(:) + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + integer(psb_lpk_) :: i,ir,ic, ilr, ilc, ip, & + & i1,i2,nnz,dupl,ng, nr + integer(psb_ipk_) :: debug_level, debug_unit, innz, nc + character(len=20) :: name='ls_coo_srch_upd' + + info = psb_success_ + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + dupl = a%get_dupl() + + if (.not.a%is_sorted()) then + info = -4 + return + end if + + ilr = -1 + ilc = -1 + nnz = a%get_nzeros() + nr = a%get_nrows() + innz = nnz + + if (present(gtl)) then + ng = size(gtl) + + select case(dupl) + case(psb_dupl_ovwrt_,psb_dupl_err_) + ! Overwrite. + ! Cannot test for error, should have been caught earlier. + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + if ((ir > 0).and.(ir <= nr)) then + ic = gtl(ic) + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + endif + else + info = max(info,1) + end if + end do + case(psb_dupl_add_) + ! Add + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + ic = gtl(ic) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = a%val(i1+ip-1) + val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + else + info = max(info,1) + end if + end do + + case default + info = -3 + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Duplicate handling: ',dupl + end select + + else + + select case(dupl) + case(psb_dupl_ovwrt_,psb_dupl_err_) + ! Overwrite. + ! Cannot test for error, should have been caught earlier. + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + end do + + case(psb_dupl_add_) + ! Add + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = a%val(i1+ip-1) + val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + end do + + case default + info = -3 + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Duplicate handling: ',dupl + end select + + end if + + end subroutine ls_coo_srch_upd + +end subroutine psb_ls_coo_csput_a + + +subroutine psb_ls_cp_coo_to_coo(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_cp_coo_to_coo + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + class(psb_ls_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nz + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + + b%psb_ls_base_sparse_mat = a%psb_ls_base_sparse_mat + call b%set_sort_status(a%get_sort_status()) + nz = a%get_nzeros() + call b%set_nzeros(nz) + call b%reallocate(nz) + + b%ia(1:nz) = a%ia(1:nz) + b%ja(1:nz) = a%ja(1:nz) + b%val(1:nz) = a%val(1:nz) + + call b%set_host() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_cp_coo_to_coo + +subroutine psb_ls_cp_coo_from_coo(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_cp_coo_from_coo + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + class(psb_ls_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_ls_base_sparse_mat = b%psb_ls_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + nz = b%get_nzeros() + call a%set_nzeros(nz) + call a%reallocate(nz) + + a%ia(1:nz) = b%ia(1:nz) + a%ja(1:nz) = b%ja(1:nz) + a%val(1:nz) = b%val(1:nz) + + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_cp_coo_from_coo + + +subroutine psb_ls_cp_coo_to_fmt(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_cp_coo_to_fmt + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + class(psb_ls_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%cp_from_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_cp_coo_to_fmt + +subroutine psb_ls_cp_coo_from_fmt(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_cp_coo_from_fmt + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + class(psb_ls_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%cp_to_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_cp_coo_from_fmt + + +subroutine psb_ls_mv_coo_to_coo(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_mv_coo_to_coo + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + class(psb_ls_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + b%psb_ls_base_sparse_mat = a%psb_ls_base_sparse_mat + call b%set_sort_status(a%get_sort_status()) + call b%set_nzeros(a%get_nzeros()) + + call move_alloc(a%ia, b%ia) + call move_alloc(a%ja, b%ja) + call move_alloc(a%val, b%val) + call b%set_host() + call a%free() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_mv_coo_to_coo + +subroutine psb_ls_mv_coo_from_coo(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_mv_coo_from_coo + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + class(psb_ls_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_ls_base_sparse_mat = b%psb_ls_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + call a%set_nzeros(b%get_nzeros()) + + call move_alloc(b%ia , a%ia ) + call move_alloc(b%ja , a%ja ) + call move_alloc(b%val, a%val ) + call b%free() + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_mv_coo_from_coo + + +subroutine psb_ls_mv_coo_to_fmt(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_mv_coo_to_fmt + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + class(psb_ls_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%mv_from_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_mv_coo_to_fmt + +subroutine psb_ls_mv_coo_from_fmt(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_mv_coo_from_fmt + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + class(psb_ls_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%mv_to_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_mv_coo_from_fmt + +subroutine psb_ls_coo_cp_from(a,b) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_cp_from + implicit none + + class(psb_ls_coo_sparse_mat), intent(inout) :: a + type(psb_ls_coo_sparse_mat), intent(in) :: b + + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='cp_from' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + call a%cp_from_coo(b,info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_cp_from + +subroutine psb_ls_coo_mv_from(a,b) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_coo_mv_from + implicit none + + class(psb_ls_coo_sparse_mat), intent(inout) :: a + type(psb_ls_coo_sparse_mat), intent(inout) :: b + + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='mv_from' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_from_coo(b,info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_coo_mv_from + + + +subroutine psb_ls_fix_coo(a,info,idir) + use psb_const_mod + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_fix_coo + implicit none + + class(psb_ls_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: idir + integer(psb_lpk_), allocatable :: iaux(:) + !locals + integer(psb_lpk_) :: nza, nzl,iret, nra, nca + integer(psb_lpk_) :: i,j, irw, icl + integer(psb_ipk_) :: debug_level, debug_unit, err_act, dupl_, idir_ + character(len=20) :: name = 'psb_fixcoo' + + info = psb_success_ + + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + if(debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': start ',& + & size(a%ia),size(a%ja) + if (present(idir)) then + idir_ = idir + else + idir_ = psb_row_major_ + endif + if (a%is_dev()) call a%sync() + + nra = a%get_nrows() + nca = a%get_ncols() + nza = a%get_nzeros() + if (nza >= 2) then + dupl_ = a%get_dupl() + call psb_ls_fix_coo_inner(nra,nca,nza,dupl_,a%ia,a%ja,a%val,i,info,idir_) + if (info /= psb_success_) goto 9999 + else + i = nza + end if + call a%set_sort_status(idir_) + call a%set_nzeros(i) + call a%set_asb() + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_fix_coo + + + +subroutine psb_ls_fix_coo_inner(nr,nc,nzin,dupl,ia,ja,val,nzout,info,idir) + use psb_const_mod + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_fix_coo_inner + use psb_string_mod + use psb_ip_reord_mod + use psb_sort_mod + implicit none + + integer(psb_lpk_), intent(in) :: nr, nc, nzin, dupl + integer(psb_lpk_), intent(inout) :: ia(:), ja(:) + real(psb_spk_), intent(inout) :: val(:) + integer(psb_lpk_), intent(out) :: nzout + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: idir + !locals + integer(psb_lpk_), allocatable :: iaux(:), ias(:),jas(:), ix2(:) + real(psb_spk_), allocatable :: vs(:) + integer(psb_lpk_) :: nza + integer(psb_ipk_) :: iret, nzl,idir_, dupl_, err_act + integer(psb_lpk_) :: i,j, irw, icl, ip,is, imx, k, ii + integer(psb_ipk_) :: debug_level, debug_unit + character(len=20) :: name = 'psb_fixcoo' + logical :: srt_inp, use_buffers + + info = psb_success_ + + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + if(debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': start ',& + & size(ia),size(ja) + if (present(idir)) then + idir_ = idir + else + idir_ = psb_row_major_ + endif + + + if (nzin < 2) then + call psb_erractionrestore(err_act) + return + end if + + dupl_ = dupl + + + + allocate(iaux(max(nr,nc,nzin)+2),stat=info) + if (info /= psb_success_) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + + allocate(ias(nzin),jas(nzin),vs(nzin),ix2(max(nr,nc,nzin)+2), stat=info) + use_buffers = (info == 0) + + select case(idir_) + + case(psb_row_major_) + ! Row major order + if (use_buffers) then + if (.not.( (ia(1) < 1).or.(ia(1)> nr)) ) then + iaux(:) = 0 + iaux(ia(1)) = iaux(ia(1)) + 1 + srt_inp = .true. + do i=2,nzin + if ( (ia(i) < 1).or.(ia(i)> nr)) then + use_buffers = .false. + srt_inp = .false. + exit + end if + iaux(ia(i)) = iaux(ia(i)) + 1 + srt_inp = srt_inp .and.(ia(i-1)<=ia(i)) + end do + else + use_buffers=.false. + end if + end if + ! Check again use_buffers. + if (use_buffers) then + if (srt_inp) then + ! If input was already row-major + ! we can do it row-by-row here. + k = 0 + i = 1 + do j=1, nr + nzl = iaux(j) + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ja(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:imx),& + & ia(i:imx),ja(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(k) + val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + !i = i + nzl + enddo + + else if (.not.srt_inp) then + ! If input was not already row-major + ! we have to sort all + + ip = iaux(1) + iaux(1) = 0 + do i=2, nr + is = iaux(i) + iaux(i) = ip + ip = ip + is + end do + iaux(nr+1) = ip + + do i=1,nzin + irw = ia(i) + ip = iaux(irw) + 1 + ias(ip) = ia(i) + jas(ip) = ja(i) + vs(ip) = val(i) + iaux(irw) = ip + end do + k = 0 + i = 1 + do j=1, nr + + nzl = iaux(j)-i+1 + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,jas(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,vs(i:imx),& + & ias(i:imx),jas(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = val(k) + vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + enddo + + end if + + i=k + + deallocate(ias,jas,vs,ix2, stat=info) + + else if (.not.use_buffers) then + + ! + ! If we did not have enough memory for buffers, + ! let's try in place. + ! + call psi_msort_up(nzin,ia(1:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzin,val,ia,ja,iaux) + i = 1 + j = i + do while (i <= nzin) + + do while ((ia(j) == ia(i))) + j = j+1 + if (j > nzin) exit + enddo + nzl = j - i + call psi_msort_up(nzl,ja(i:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:i+nzl-1),& + & ia(i:i+nzl-1),ja(i:i+nzl-1),iaux) + i = j + enddo + + i = 1 + irw = ia(i) + icl = ja(i) + j = 1 + + select case(dupl_) + case(psb_dupl_ovwrt_) + + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_add_) + + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(i) + val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_err_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + end select + endif + + if(debug_level >= psb_debug_serial_)& + & write(debug_unit,*) trim(name),': end second loop' + + + case(psb_col_major_) + + if (use_buffers) then + iaux(:) = 0 + if (.not.( (ja(1) < 1).or.(ja(1)> nc)) ) then + iaux(ja(1)) = iaux(ja(1)) + 1 + srt_inp = .true. + do i=2,nzin + if ( (ja(i) < 1).or.(ja(i)> nc)) then + use_buffers = .false. + srt_inp = .false. + exit + end if + iaux(ja(i)) = iaux(ja(i)) + 1 + srt_inp = srt_inp .and.(ja(i-1)<=ja(i)) + end do + else + use_buffers=.false. + end if + end if + !use_buffers=use_buffers.and.srt_inp + ! Check again use_buffers. + if (use_buffers) then + + if (srt_inp) then + ! If input was already col-major + ! we can do it col-by-col here. + k = 0 + i = 1 + do j=1, nc + nzl = iaux(j) + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ia(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:imx),& + & ia(i:imx),ja(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(k) + val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + !i = i + nzl + enddo + + else if (.not.srt_inp) then + ! If input was not already col-major + ! we have to sort all + ip = iaux(1) + iaux(1) = 0 + do i=2, nc + is = iaux(i) + iaux(i) = ip + ip = ip + is + end do + iaux(nc+1) = ip + + do i=1,nzin + icl = ja(i) + ip = iaux(icl) + 1 + ias(ip) = ia(i) + jas(ip) = ja(i) + vs(ip) = val(i) + iaux(icl) = ip + end do + k = 0 + i = 1 + do j=1, nc + nzl = iaux(j)-i+1 + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ias(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,vs(i:imx),& + & ias(i:imx),jas(i:imx),ix2) + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = val(k) + vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + enddo + + end if + + i=k + deallocate(ias,jas,vs,ix2, stat=info) + + else if (.not.use_buffers) then + + call psi_msort_up(nzin,ja(1:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzin,val,ia,ja,iaux) + i = 1 + j = i + do while (i <= nzin) + do while ((ja(j) == ja(i))) + j = j+1 + if (j > nzin) exit + enddo + nzl = j - i + call psi_msort_up(nzl,ia(i:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:i+nzl-1),& + & ia(i:i+nzl-1),ja(i:i+nzl-1),iaux) + i = j + enddo + + i = 1 + irw = ia(i) + icl = ja(i) + j = 1 + + + select case(dupl_) + case(psb_dupl_ovwrt_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_add_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(i) + val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_err_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + end select + if (debug_level >= psb_debug_serial_)& + & write(debug_unit,*) trim(name),': end second loop' + + end if + + case default + write(debug_unit,*) trim(name),': unknown direction ',idir_ + info = psb_err_internal_error_ + call psb_errpush(info,name) + goto 9999 + end select + + nzout = i + + deallocate(iaux) + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_fix_coo_inner + + +subroutine psb_ls_cp_coo_to_icoo(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_cp_coo_to_icoo + implicit none + class(psb_ls_coo_sparse_mat), intent(in) :: a + class(psb_s_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nz + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + + b%psb_base_sparse_mat = a%psb_lbase_sparse_mat + call b%set_sort_status(a%get_sort_status()) + nz = a%get_nzeros() + call b%set_nzeros(nz) + call b%reallocate(nz) + + b%ia(1:nz) = a%ia(1:nz) + b%ja(1:nz) = a%ja(1:nz) + b%val(1:nz) = a%val(1:nz) + + call b%set_host() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_ls_cp_coo_to_icoo + +subroutine psb_ls_cp_coo_from_icoo(a,b,info) + use psb_error_mod + use psb_s_base_mat_mod, psb_protect_name => psb_ls_cp_coo_from_icoo + implicit none + class(psb_ls_coo_sparse_mat), intent(inout) :: a + class(psb_s_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_lbase_sparse_mat = b%psb_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + nz = b%get_nzeros() + call a%set_nzeros(nz) + call a%reallocate(nz) + + a%ia(1:nz) = b%ia(1:nz) + a%ja(1:nz) = b%ja(1:nz) + a%val(1:nz) = b%val(1:nz) + + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_ls_cp_coo_from_icoo + diff --git a/base/serial/impl/psb_z_lbase_mat_impl.F90 b/base/serial/impl/psb_z_lbase_mat_impl.F90 new file mode 100644 index 00000000..927620db --- /dev/null +++ b/base/serial/impl/psb_z_lbase_mat_impl.F90 @@ -0,0 +1,2296 @@ +! +! Parallel Sparse BLAS version 3.5 +! (C) Copyright 2006-2018 +! Salvatore Filippone +! Alfredo Buttari +! +! Redistribution and use in source and binary forms, with or without +! modification, are permitted provided that the following conditions +! are met: +! 1. Redistributions of source code must retain the above copyright +! notice, this list of conditions and the following disclaimer. +! 2. Redistributions in binary form must reproduce the above copyright +! notice, this list of conditions, and the following disclaimer in the +! documentation and/or other materials provided with the distribution. +! 3. The name of the PSBLAS group or the names of its contributors may +! not be used to endorse or promote products derived from this +! software without specific written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! +! == ================================== +! +! +! +! Data management +! +! +! +! +! +! == ================================== + +subroutine psb_lz_base_cp_to_coo(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cp_to_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_lz_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_cp_to_coo + +subroutine psb_lz_base_cp_from_coo(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cp_from_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_lz_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_cp_from_coo + + +subroutine psb_lz_base_cp_to_fmt(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cp_to_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_lz_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_fmt' + logical, parameter :: debug=.false. + type(psb_lz_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_lz_coo_sparse_mat) + call a%cp_to_coo(b,info) + class default + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_cp_to_fmt + +subroutine psb_lz_base_cp_from_fmt(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cp_from_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_lz_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_fmt' + logical, parameter :: debug=.false. + type(psb_lz_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_lz_coo_sparse_mat) + call a%cp_from_coo(b,info) + class default + call b%cp_to_coo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_cp_from_fmt + + +subroutine psb_lz_base_mv_to_coo(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_mv_to_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_lz_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_to_coo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to coo') + goto 9999 + end if + + call a%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_mv_to_coo + +subroutine psb_lz_base_mv_from_coo(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_mv_from_coo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_lz_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_from_coo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='from coo') + goto 9999 + end if + + call b%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_mv_from_coo + + +subroutine psb_lz_base_mv_to_fmt(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_mv_to_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_lz_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_fmt' + logical, parameter :: debug=.false. + type(psb_lz_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_lz_coo_sparse_mat) + call a%mv_to_coo(b,info) + class default + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + + return + +end subroutine psb_lz_base_mv_to_fmt + +subroutine psb_lz_base_mv_from_fmt(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_mv_from_fmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_lz_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_fmt' + logical, parameter :: debug=.false. + type(psb_lz_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_lz_coo_sparse_mat) + call a%mv_from_coo(b,info) + class default + call b%mv_to_coo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + return + +end subroutine psb_lz_base_mv_from_fmt + +subroutine psb_lz_base_clean_zeros(a, info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_clean_zeros + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + integer(psb_ipk_), intent(out) :: info + ! + type(psb_lz_coo_sparse_mat) :: tmpcoo + + call a%mv_to_coo(tmpcoo,info) + if (info == 0) call tmpcoo%clean_zeros(info) + if (info == 0) call a%mv_from_coo(tmpcoo,info) + +end subroutine psb_lz_base_clean_zeros + + +subroutine psb_lz_base_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_csput_a + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + complex(psb_dpk_), intent(in) :: val(:) + integer(psb_lpk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: gtl(:) + + integer(psb_ipk_) :: err_act + character(len=20) :: name='csput' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_csput_a + +subroutine psb_lz_base_csput_v(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_csput_v + use psb_z_base_vect_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_z_base_vect_type), intent(inout) :: val + class(psb_l_base_vect_type), intent(inout) :: ia, ja + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + + integer(psb_lpk_) :: nzin, nzout + integer(psb_ipk_) :: err_act + character(len=20) :: name='csput_v' + integer :: jmin_, jmax_ + logical :: append_, rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (allocated(val%v).and.allocated(ia%v).and.allocated(ja%v)) then + if (a%is_dev()) call a%sync() + if (val%is_dev()) call val%sync() + if (ia%is_dev()) call ia%sync() + if (ja%is_dev()) call ja%sync() + call a%csput_a(nz,ia%v,ja%v,val%v,imin,imax,jmin,jmax,info,gtl) + else + info = psb_err_invalid_mat_state_ + endif + if (info /= 0) then + call psb_errpush(info,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_csput_v + +subroutine psb_lz_base_csgetrow(imin,imax,a,nz,ia,ja,val,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_csgetrow + implicit none + + class(psb_lz_base_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + complex(psb_dpk_), allocatable, intent(inout) :: val(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_csgetrow + + + +! +! Here we have the base implementation of getblk and clip: +! this is just based on the getrow. +! If performance is critical it can be overridden. +! +subroutine psb_lz_base_csgetblk(imin,imax,a,b,info,& + & jmin,jmax,iren,append,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_csgetblk + implicit none + + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_lz_coo_sparse_mat), intent(inout) :: b + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax + logical, intent(in), optional :: rscale,cscale + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout + character(len=20) :: name='csget' + integer(psb_lpk_) :: jmin_, jmax_ + logical :: append_, rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(append)) then + append_ = append + else + append_ = .false. + endif + if (append_) then + nzin = a%get_nzeros() + else + nzin = 0 + endif + if (present(rscale)) then + rscale_=rscale + else + rscale_=.false. + end if + if (present(cscale)) then + cscale_=cscale + else + cscale_=.false. + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if (append_.and.(rscale_.or.cscale_)) then + write(psb_err_unit,*) & + & 'lz_csgetblk: WARNING: dubious input: append_ and rscale_|cscale_' + end if + + if (rscale_) then + call b%set_nrows(imax-imin+1) + else + call b%set_nrows(max(min(imax,a%get_nrows()),b%get_nrows())) + end if + + if (cscale_) then + call b%set_ncols(jmax_-jmin_+1) + else + call b%set_ncols(max(min(jmax_,a%get_ncols()),b%get_ncols())) + end if + + call a%csget(imin,imax,nzout,b%ia,b%ja,b%val,info,& + & jmin=jmin, jmax=jmax, iren=iren, append=append_, & + & nzin=nzin, rscale=rscale, cscale=cscale) + + if (info /= psb_success_) goto 9999 + + call b%set_nzeros(nzin+nzout) + call b%fix(info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_csgetblk + + +subroutine psb_lz_base_csclip(a,b,info,& + & imin,imax,jmin,jmax,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_csclip + implicit none + + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_lz_coo_sparse_mat), intent(out) :: b + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + + integer(psb_lpk_) :: nzin, nzout, imin_, imax_, jmin_, jmax_, mb,nb + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + nzin = 0 + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = a%get_nrows() ! Should this be imax_ ?? + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = a%get_ncols() ! Should this be jmax_ ?? + endif + call b%allocate(mb,nb) + call a%csget(imin_,imax_,nzout,b%ia,b%ja,b%val,info,& + & jmin=jmin_, jmax=jmax_, append=.false., & + & nzin=nzin, rscale=rscale_, cscale=cscale_) + if (info /= psb_success_) goto 9999 + + call b%set_nzeros(nzin+nzout) + call b%fix(info) + + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_csclip + + +! +! Here we have the base implementation of tril and triu +! this is just based on the getrow. +! If performance is critical it can be overridden. +! +subroutine psb_lz_base_tril(a,l,info,& + & diag,imin,imax,jmin,jmax,rscale,cscale,u) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_tril + implicit none + + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_lz_coo_sparse_mat), intent(out) :: l + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + class(psb_lz_coo_sparse_mat), optional, intent(out) :: u + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout, i, j, k + integer(psb_lpk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz + integer(psb_lpk_), allocatable :: ia(:), ja(:) + complex(psb_dpk_), allocatable :: val(:) + character(len=20) :: name='tril' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(diag)) then + diag_ = diag + else + diag_ = 0 + end if + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = imax_ + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = jmax_ + endif + + + nz = a%get_nzeros() + call l%allocate(mb,nb,nz) + + if (present(u)) then + nzlin = l%get_nzeros() ! At this point it should be 0 + call u%allocate(mb,nb,nz) + nzuin = u%get_nzeros() ! At this point it should be 0 + call psb_realloc(max(mb,nb),ia,info) + call psb_realloc(max(mb,nb),ja,info) + call psb_realloc(max(mb,nb),val,info) + do i=imin_,imax_ + call a%csget(i,i,nzout,ia,ja,val,info,& + & jmin=jmin_, jmax=jmax_) + do k=1, nzout + j = ja(k) + if (j-i<=diag_) then + nzlin = nzlin + 1 + l%ia(nzlin) = ia(k) + l%ja(nzlin) = ja(k) + l%val(nzlin) = val(k) + else + nzuin = nzuin + 1 + u%ia(nzuin) = ia(k) + u%ja(nzuin) = ja(k) + u%val(nzuin) = val(k) + end if + end do + end do + + call l%set_nzeros(nzlin) + call u%set_nzeros(nzuin) + call u%fix(info) + nzout = u%get_nzeros() + if (rscale_) & + & u%ia(1:nzout) = u%ia(1:nzout) - imin_ + 1 + if (cscale_) & + & u%ja(1:nzout) = u%ja(1:nzout) - jmin_ + 1 + if ((diag_ >= -1).and.(imin_ == jmin_)) then + call u%set_triangle(.true.) + call u%set_lower(.false.) + end if + else + nzin = l%get_nzeros() ! At this point it should be 0 + do i=imin_,imax_ + k = min(jmax_,i+diag_) + call a%csget(i,i,nzout,l%ia,l%ja,l%val,info,& + & jmin=jmin_, jmax=k, append=.true., & + & nzin=nzin) + if (info /= psb_success_) goto 9999 + call l%set_nzeros(nzin+nzout) + nzin = nzin+nzout + end do + end if + call l%fix(info) + nzout = l%get_nzeros() + if (rscale_) & + & l%ia(1:nzout) = l%ia(1:nzout) - imin_ + 1 + if (cscale_) & + & l%ja(1:nzout) = l%ja(1:nzout) - jmin_ + 1 + + if ((diag_ <= 0).and.(imin_ == jmin_)) then + call l%set_triangle(.true.) + call l%set_lower(.true.) + end if + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_tril + +subroutine psb_lz_base_triu(a,u,info,& + & diag,imin,imax,jmin,jmax,rscale,cscale,l) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_triu + implicit none + + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_lz_coo_sparse_mat), intent(out) :: u + integer(psb_ipk_),intent(out) :: info + integer(psb_lpk_), intent(in), optional :: diag,imin,imax,jmin,jmax + logical, intent(in), optional :: rscale,cscale + class(psb_lz_coo_sparse_mat), optional, intent(out) :: l + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nzin, nzout, i, j, k + integer(psb_lpk_) :: imin_, imax_, jmin_, jmax_, mb,nb, diag_, nzlin, nzuin, nz + integer(psb_lpk_), allocatable :: ia(:), ja(:) + complex(psb_dpk_), allocatable :: val(:) + character(len=20) :: name='triu' + logical :: rscale_, cscale_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + if (present(diag)) then + diag_ = diag + else + diag_ = 0 + end if + if (present(imin)) then + imin_ = imin + else + imin_ = 1 + end if + if (present(imax)) then + imax_ = imax + else + imax_ = a%get_nrows() + end if + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + end if + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + end if + if (present(rscale)) then + rscale_ = rscale + else + rscale_ = .true. + end if + if (present(cscale)) then + cscale_ = cscale + else + cscale_ = .true. + end if + + if (rscale_) then + mb = imax_ - imin_ +1 + else + mb = imax_ + endif + if (cscale_) then + nb = jmax_ - jmin_ +1 + else + nb = jmax_ + endif + + + nz = a%get_nzeros() + call u%allocate(mb,nb,nz) + + if (present(l)) then + nzuin = u%get_nzeros() ! At this point it should be 0 + call l%allocate(mb,nb,nz) + nzlin = l%get_nzeros() ! At this point it should be 0 + call psb_realloc(max(mb,nb),ia,info) + call psb_realloc(max(mb,nb),ja,info) + call psb_realloc(max(mb,nb),val,info) + do i=imin_,imax_ + call a%csget(i,i,nzout,ia,ja,val,info,& + & jmin=jmin_, jmax=jmax_) + do k=1, nzout + j = ja(k) + if (j-i= 0).and.(imin_ == jmin_)) then + call u%set_triangle(.true.) + call u%set_upper(.true.) + end if + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_triu + + + +subroutine psb_lz_base_clone(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_clone + use psb_error_mod + implicit none + + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_lz_base_sparse_mat), allocatable, intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + info = 0 + if (allocated(b)) then + call b%free() + deallocate(b, stat=info) + end if + if (info /= 0) then + info = psb_err_alloc_dealloc_ + return + end if + + ! Do not use SOURCE allocation: this makes sure that + ! memory allocated elsewhere is treated properly. + allocate(b,mold=a,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call b%cp_from_fmt(a, info) + +end subroutine psb_lz_base_clone + +subroutine psb_lz_base_make_nonunit(a) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_make_nonunit + use psb_error_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + type(psb_lz_coo_sparse_mat) :: tmp + + integer(psb_ipk_) :: info + integer(psb_lpk_) :: i, j, m, n, nz, mnm + + if (a%is_unit()) then + call a%mv_to_coo(tmp,info) + if (info /= 0) return + m = tmp%get_nrows() + n = tmp%get_ncols() + mnm = min(m,n) + nz = tmp%get_nzeros() + call tmp%reallocate(nz+mnm) + do i=1, mnm + tmp%val(nz+i) = zone + tmp%ia(nz+i) = i + tmp%ja(nz+i) = i + end do + call tmp%set_nzeros(nz+mnm) + call tmp%set_unit(.false.) + call tmp%fix(info) + if (info /= 0) & + & call a%mv_from_coo(tmp,info) + end if + +end subroutine psb_lz_base_make_nonunit + +subroutine psb_lz_base_mold(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_mold + use psb_error_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_lz_base_sparse_mat), intent(inout), allocatable :: b + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_) :: err_act + character(len=20) :: name='base_mold' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_mold + +subroutine psb_lz_base_transp_2mat(a,b) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_transp_2mat + use psb_error_mod + implicit none + + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_lbase_sparse_mat), intent(out) :: b + + type(psb_lz_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='lz_base_transp' + + call psb_erractionsave(err_act) + + info = psb_success_ + select type(b) + class is (psb_lz_base_sparse_mat) + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call tmp%transp() + if (info == psb_success_) call b%mv_from_coo(tmp,info) + class default + info = psb_err_invalid_dynamic_type_ + end select + if (info /= psb_success_) then + call psb_errpush(info,name,a_err=b%get_fmt(),i_err=(/ione/)) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_transp_2mat + +subroutine psb_lz_base_transc_2mat(a,b) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_transc_2mat + implicit none + + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_lbase_sparse_mat), intent(out) :: b + + type(psb_lz_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='lz_base_transc' + + call psb_erractionsave(err_act) + + info = psb_success_ + select type(b) + class is (psb_lz_base_sparse_mat) + call a%cp_to_coo(tmp,info) + if (info == psb_success_) call tmp%transc() + if (info == psb_success_) call b%mv_from_coo(tmp,info) + class default + info = psb_err_invalid_dynamic_type_ + end select + if (info /= psb_success_) then + call psb_errpush(info,name,a_err=b%get_fmt(),i_err=(/ione/)) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return +end subroutine psb_lz_base_transc_2mat + +subroutine psb_lz_base_transp_1mat(a) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_transp_1mat + use psb_error_mod + implicit none + + class(psb_lz_base_sparse_mat), intent(inout) :: a + + type(psb_lz_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='lz_base_transp' + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call tmp%transp() + if (info == psb_success_) call a%mv_from_coo(tmp,info) + + if (info /= psb_success_) then + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_transp_1mat + +subroutine psb_lz_base_transc_1mat(a) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_transc_1mat + implicit none + + class(psb_lz_base_sparse_mat), intent(inout) :: a + + type(psb_lz_coo_sparse_mat) :: tmp + integer(psb_ipk_) :: err_act, info + character(len=*), parameter :: name='lz_base_transc' + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_to_coo(tmp,info) + if (info == psb_success_) call tmp%transc() + if (info == psb_success_) call a%mv_from_coo(tmp,info) + + if (info /= psb_success_) then + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + goto 9999 + end if + call psb_erractionrestore(err_act) + + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_transc_1mat + + +! == ================================== +! +! +! +! Computational routines +! +! +! +! +! +! +! == ================================== + +subroutine psb_lz_base_csmm(alpha,a,x,beta,y,info,trans) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_csmm + use psb_error_mod + + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_base_csmm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_csmm + + +subroutine psb_lz_base_csmv(alpha,a,x,beta,y,info,trans) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_csmv + use psb_error_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:) + complex(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_base_csmv' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + + +end subroutine psb_lz_base_csmv + + +subroutine psb_lz_base_inner_cssm(alpha,a,x,beta,y,info,trans) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_inner_cssm + use psb_error_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_base_inner_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_inner_cssm + + +subroutine psb_lz_base_inner_cssv(alpha,a,x,beta,y,info,trans) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_inner_cssv + use psb_error_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:) + complex(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_base_inner_cssv' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_inner_cssv + + +subroutine psb_lz_base_cssm(alpha,a,x,beta,y,info,trans,scale,d) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cssm + use psb_error_mod + use psb_string_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + complex(psb_dpk_), intent(in), optional :: d(:) + + complex(psb_dpk_), allocatable :: tmp(:,:) + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='lz_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = min(size(x,2), size(y,2)) + if (size(x,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (size(y,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(d)) then + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (size(d,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + + allocate(tmp(nac,nc),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) then + do i=1, nac + tmp(i,1:nc) = d(i)*x(i,1:nc) + end do + end if + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmp,beta,y,info,trans) + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + + if (size(d,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + allocate(tmp(nar,nc),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(zone,x,zzero,tmp,info,trans) + + if (info == psb_success_)then + do i=1, nar + tmp(i,1:nc) = d(i)*tmp(i,1:nc) + end do + end if + if (info == psb_success_) then + inar = nar + inc = nc + call psb_geaxpby(inar,inc,alpha,tmp,beta,y,info) + end if + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_cssm') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_cssm + + +subroutine psb_lz_base_cssv(alpha,a,x,beta,y,info,trans,scale,d) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cssv + use psb_error_mod + use psb_string_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:) + complex(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + complex(psb_dpk_), intent(in), optional :: d(:) + + complex(psb_dpk_), allocatable :: tmp(:) + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='lz_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = 1 + if (size(x,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (size(y,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(d)) then + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (size(d,1) < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + + allocate(tmp(nac),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call inner_vscal(nac,d,x,tmp) + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmp,beta,y,info,trans) + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + if (size(d,1) < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + if (beta == zzero) then + call a%inner_spsm(alpha,x,zzero,y,info,trans) + if (info == psb_success_) call inner_vscal1(nar,d,y) + else + allocate(tmp(nar),stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(alpha,x,zzero,tmp,info,trans) + + if (info == psb_success_) call inner_vscal1(nar,d,tmp) + if (info == psb_success_) then + inar = nar + call psb_geaxpby(inar,zone,tmp,beta,y,info) + end if + + if (info == psb_success_) then + deallocate(tmp,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return +contains + subroutine inner_vscal(n,d,x,y) + implicit none + integer(psb_lpk_), intent(in) :: n + complex(psb_dpk_), intent(in) :: d(*),x(*) + complex(psb_dpk_), intent(out) :: y(*) + integer(psb_lpk_) :: i + + do i=1,n + y(i) = d(i)*x(i) + end do + end subroutine inner_vscal + + + subroutine inner_vscal1(n,d,x) + implicit none + integer(psb_lpk_), intent(in) :: n + complex(psb_dpk_), intent(in) :: d(*) + complex(psb_dpk_), intent(inout) :: x(*) + integer(psb_lpk_) :: i + + do i=1,n + x(i) = d(i)*x(i) + end do + end subroutine inner_vscal1 + +end subroutine psb_lz_base_cssv + + +subroutine psb_lz_base_scals(d,a,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_scals + use psb_error_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + complex(psb_dpk_), intent(in) :: d + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_scals' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_scals + + + +subroutine psb_lz_base_scal(d,a,info,side) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_scal + use psb_error_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + complex(psb_dpk_), intent(in) :: d(:) + integer(psb_ipk_), intent(out) :: info + character, intent(in), optional :: side + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_scal' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_scal + + + +function psb_lz_base_maxval(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_maxval + + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='maxval' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + res = dzero + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end function psb_lz_base_maxval + + +function psb_lz_base_csnmi(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_realloc_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_csnmi + + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='csnmi' + real(psb_dpk_), allocatable :: vt(:) + + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + res = dzero + call psb_realloc(a%get_nrows(),vt,info) + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + call a%arwsum(vt) + res = maxval(vt) + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end function psb_lz_base_csnmi + +function psb_lz_base_csnm1(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_realloc_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_csnm1 + + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='csnm1' + real(psb_dpk_), allocatable :: vt(:) + + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + res = dzero + call psb_realloc(a%get_ncols(),vt,info) + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + call a%aclsum(vt) + res = maxval(vt) + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end function psb_lz_base_csnm1 + +subroutine psb_lz_base_rowsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_rowsum + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_rowsum + +subroutine psb_lz_base_arwsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_arwsum + class(psb_lz_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='arwsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_arwsum + +subroutine psb_lz_base_colsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_colsum + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='colsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_colsum + +subroutine psb_lz_base_aclsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_aclsum + class(psb_lz_base_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='aclsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_aclsum + + +subroutine psb_lz_base_get_diag(a,d,info) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_get_diag + + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(out) :: d(:) + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='get_diag' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_get_diag + + +! == ================================== +! +! +! +! Computational routines for lz_VECT +! variables. If the actual data type is +! a "normal" one, these are sufficient. +! +! +! +! +! == ================================== + + + +subroutine psb_lz_base_vect_mv(alpha,a,x,beta,y,info,trans) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_vect_mv + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta + class(psb_z_base_vect_type), intent(inout) :: x + class(psb_z_base_vect_type), intent(inout) :: y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + ! For the time being we just throw everything back + ! onto the normal routines. + call x%sync() + call y%sync() + call a%spmm(alpha,x%v,beta,y%v,info,trans) + call y%set_host() +end subroutine psb_lz_base_vect_mv + +subroutine psb_lz_base_vect_cssv(alpha,a,x,beta,y,info,trans,scale,d) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_vect_cssv + use psb_z_base_vect_mod + use psb_error_mod + use psb_string_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta + class(psb_z_base_vect_type), intent(inout) :: x,y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans, scale + class(psb_z_base_vect_type), intent(inout),optional :: d + + complex(psb_dpk_), allocatable :: tmp(:) + class(psb_z_base_vect_type), allocatable :: tmpv + integer(psb_ipk_) :: err_act, inar, inc + integer(psb_lpk_) :: nar,nac,nc, i + character(len=1) :: scale_ + character(len=20) :: name='lz_cssm' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + nar = a%get_nrows() + nac = a%get_ncols() + nc = 1 + if (x%get_nrows() < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,nac/)) + goto 9999 + end if + if (y%get_nrows() < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,nar/)) + goto 9999 + end if + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + call x%sync() + call y%sync() + if (present(d)) then + call d%sync() + if (present(scale)) then + scale_ = scale + else + scale_ = 'L' + end if + + if (psb_toupper(scale_) == 'R') then + if (d%get_nrows() < nac) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nac/)) + goto 9999 + end if + allocate(tmpv, mold=y,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_) call tmpv%mlt(zone,d%v(1:nac),x,zzero,info) + if (info == psb_success_)& + & call a%inner_spsm(alpha,tmpv,beta,y,info,trans) + + if (info == psb_success_) then + call tmpv%free(info) + if (info == psb_success_) deallocate(tmpv,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + + else if (psb_toupper(scale_) == 'L') then + if (d%get_nrows() < nar) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/9_psb_lpk_,nar/)) + goto 9999 + end if + + if (beta == zzero) then + call a%inner_spsm(alpha,x,zzero,y,info,trans) + if (info == psb_success_) call y%mlt(d%v(1:nar),info) + + else + allocate(tmpv, mold=y,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + if (info == psb_success_)& + & call a%inner_spsm(alpha,x,zzero,tmpv,info,trans) + + if (info == psb_success_) call tmpv%mlt(d%v(1:nar),info) + if (info == psb_success_) then + inar = nar + call y%axpby(inar,zone,tmpv,beta,info) + end if + if (info == psb_success_) then + call tmpv%free(info) + if (info == psb_success_) deallocate(tmpv,stat=info) + if (info /= psb_success_) info = psb_err_alloc_dealloc_ + end if + end if + + else + info = 31 + call psb_errpush(info,name,i_err=(/8_psb_ipk_,izero/),a_err=scale_) + goto 9999 + end if + else + ! Scale is ignored in this case + call a%inner_spsm(alpha,x,beta,y,info,trans) + end if + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_vect_cssv + + +subroutine psb_lz_base_inner_vect_sv(alpha,a,x,beta,y,info,trans) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_inner_vect_sv + use psb_error_mod + use psb_string_mod + use psb_z_base_vect_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta + class(psb_z_base_vect_type), intent(inout) :: x, y + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_base_inner_vect_sv' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%inner_spsm(alpha,x%v,beta,y%v,info,trans) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='inner_spsm') + goto 9999 + end if + + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_inner_vect_sv + + + + +subroutine psb_lz_base_cp_to_icoo(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cp_to_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_z_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_cp_to_icoo + +subroutine psb_lz_base_cp_from_icoo(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cp_from_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_z_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + ! This is the base version. If we get here + ! it means the derived class is incomplete, + ! so we throw an error. + info = psb_err_missing_override_method_ + call psb_errpush(info,name,a_err=a%get_fmt()) + + call psb_error_handler(err_act) + +end subroutine psb_lz_base_cp_from_icoo + + +subroutine psb_lz_base_cp_to_ifmt(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cp_to_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(in) :: a + class(psb_z_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_ifmt' + logical, parameter :: debug=.false. + type(psb_z_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_z_coo_sparse_mat) + call a%cp_to_icoo(b,info) + class default + call a%cp_to_icoo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_cp_to_ifmt + +subroutine psb_lz_base_cp_from_ifmt(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_cp_from_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_z_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_ifmt' + logical, parameter :: debug=.false. + type(psb_lz_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + call psb_erractionsave(err_act) + + select type(b) + type is (psb_z_coo_sparse_mat) + call a%cp_from_icoo(b,info) + class default + call b%cp_to_lcoo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to/from coo') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_cp_from_ifmt + + +subroutine psb_lz_base_mv_to_icoo(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_mv_to_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_z_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_icoo' + logical, parameter :: debug=.false. + + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_to_icoo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='to coo') + goto 9999 + end if + + call a%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_mv_to_icoo + +subroutine psb_lz_base_mv_from_icoo(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_mv_from_icoo + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_z_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_icoo' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + call a%cp_from_icoo(b,info) + + if (info /= psb_success_) then + info = psb_err_from_subroutine_ + call psb_errpush(info,name, a_err='from coo') + goto 9999 + end if + + call b%free() + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_base_mv_from_icoo + + +subroutine psb_lz_base_mv_to_ifmt(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_mv_to_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_z_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_ifmt' + logical, parameter :: debug=.false. + type(psb_z_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_z_coo_sparse_mat) + call a%mv_to_icoo(b,info) + class default + call a%mv_to_icoo(tmp,info) + if (info == psb_success_) call b%mv_from_coo(tmp,info) + end select + + return + +end subroutine psb_lz_base_mv_to_ifmt + +subroutine psb_lz_base_mv_from_ifmt(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_base_mv_from_ifmt + use psb_error_mod + use psb_realloc_mod + implicit none + class(psb_lz_base_sparse_mat), intent(inout) :: a + class(psb_z_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_ifmt' + logical, parameter :: debug=.false. + type(psb_lz_coo_sparse_mat) :: tmp + + ! + ! Default implementation + ! + info = psb_success_ + select type(b) + type is (psb_z_coo_sparse_mat) + call a%mv_from_icoo(b,info) + class default + call b%mv_to_lcoo(tmp,info) + if (info == psb_success_) call a%mv_from_coo(tmp,info) + end select + return + +end subroutine psb_lz_base_mv_from_ifmt + + + + + + diff --git a/base/serial/impl/psb_z_lcoo_impl.f90 b/base/serial/impl/psb_z_lcoo_impl.f90 new file mode 100644 index 00000000..c033f90f --- /dev/null +++ b/base/serial/impl/psb_z_lcoo_impl.f90 @@ -0,0 +1,4125 @@ +! +! Parallel Sparse BLAS version 3.5 +! (C) Copyright 2006-2018 +! Salvatore Filippone +! Alfredo Buttari +! +! Redistribution and use in source and binary forms, with or without +! modification, are permitted provided that the following conditions +! are met: +! 1. Redistributions of source code must retain the above copyright +! notice, this list of conditions and the following disclaimer. +! 2. Redistributions in binary form must reproduce the above copyright +! notice, this list of conditions, and the following disclaimer in the +! documentation and/or other materials provided with the distribution. +! 3. The name of the PSBLAS group or the names of its contributors may +! not be used to endorse or promote products derived from this +! software without specific written permission. +! +! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS +! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +! POSSIBILITY OF SUCH DAMAGE. +! +! + +subroutine psb_lz_coo_get_diag(a,d,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_get_diag + use psb_error_mod + use psb_const_mod + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(out) :: d(:) + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j + character(len=20) :: name='get_diag' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + mnm = min(a%get_nrows(),a%get_ncols()) + if (size(d) < mnm) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + if (a%is_unit()) then + d(1:mnm) = zone + else + d(1:mnm) = zzero + do i=1,a%get_nzeros() + j=a%ia(i) + if ((j == a%ja(i)) .and.(j <= mnm ) .and.(j>0)) then + d(j) = a%val(i) + endif + enddo + end if + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_get_diag + + +subroutine psb_lz_coo_scal(d,a,info,side) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_scal + use psb_error_mod + use psb_const_mod + use psb_string_mod + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + complex(psb_dpk_), intent(in) :: d(:) + integer(psb_ipk_), intent(out) :: info + character, intent(in), optional :: side + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j, m + character(len=20) :: name='scal' + character :: side_ + logical :: left + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + call a%make_nonunit() + end if + + side_ = 'L' + if (present(side)) then + side_ = psb_toupper(side) + end if + + left = (side_ == 'L') + + if (left) then + m = a%get_nrows() + if (size(d) < m) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + do i=1,a%get_nzeros() + j = a%ia(i) + a%val(i) = a%val(i) * d(j) + enddo + else + m = a%get_ncols() + if (size(d) < m) then + info=psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,l_err=(/2_psb_lpk_,size(d,kind=psb_lpk_)/)) + goto 9999 + end if + + do i=1,a%get_nzeros() + j = a%ja(i) + a%val(i) = a%val(i) * d(j) + enddo + end if + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_scal + + +subroutine psb_lz_coo_scals(d,a,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_scals + use psb_error_mod + use psb_const_mod + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + complex(psb_dpk_), intent(in) :: d + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: mnm, i, j, m + character(len=20) :: name='scal' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + call a%make_nonunit() + end if + + do i=1,a%get_nzeros() + a%val(i) = a%val(i) * d + enddo + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_scals + + +subroutine psb_lz_coo_reallocate_nz(nz,a) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_reallocate_nz + use psb_error_mod + use psb_realloc_mod + implicit none + integer(psb_lpk_), intent(in) :: nz + class(psb_lz_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz_ + character(len=20) :: name='lz_coo_reallocate_nz' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + + nz_ = max(nz,ione) + call psb_realloc(nz_,a%ia,info) + if (info == psb_success_) call psb_realloc(nz_,a%ja,info) + if (info == psb_success_) call psb_realloc(nz_,a%val,info) + + if (info /= psb_success_) then + call psb_errpush(psb_err_alloc_dealloc_,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_reallocate_nz + +subroutine psb_lz_coo_mold(a,b,info) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_mold + use psb_error_mod + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + class(psb_lz_base_sparse_mat), intent(inout), allocatable :: b + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_) :: err_act + character(len=20) :: name='coo_mold' + logical, parameter :: debug=.false. + + call psb_get_erraction(err_act) + + info = 0 + if (allocated(b)) then + call b%free() + deallocate(b,stat=info) + end if + if (info == 0) allocate(psb_lz_coo_sparse_mat :: b, stat=info) + + if (info /= 0) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info, name) + goto 9999 + end if + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_mold + +subroutine psb_lz_coo_reinit(a,clear) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_reinit + use psb_error_mod + implicit none + + class(psb_lz_coo_sparse_mat), intent(inout) :: a + logical, intent(in), optional :: clear + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='reinit' + logical :: clear_ + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + + + if (present(clear)) then + clear_ = clear + else + clear_ = .true. + end if + + if (a%is_dev()) call a%sync() + if (a%is_bld() .or. a%is_upd()) then + ! do nothing + return + else if (a%is_asb()) then + if (clear_) a%val(:) = zzero + call a%set_host() + call a%set_upd() + else + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_reinit + + + +subroutine psb_lz_coo_trim(a) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_trim + use psb_realloc_mod + use psb_error_mod + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz + character(len=20) :: name='trim' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + nz = a%get_nzeros() + if (info == psb_success_) call psb_realloc(nz,a%ia,info) + if (info == psb_success_) call psb_realloc(nz,a%ja,info) + if (info == psb_success_) call psb_realloc(nz,a%val,info) + + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_trim + +subroutine psb_lz_coo_clean_zeros(a, info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_clean_zeros + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_) :: info + ! + integer(psb_lpk_) :: i,j,k, nzin + + info = 0 + nzin = a%get_nzeros() + j = 0 + do i=1, nzin + if (a%val(i) /= zzero) then + j = j + 1 + a%val(j) = a%val(i) + a%ia(j) = a%ia(i) + a%ja(j) = a%ja(i) + end if + end do + call a%set_nzeros(j) + call a%trim() +end subroutine psb_lz_coo_clean_zeros + + + +subroutine psb_lz_coo_allocate_mnnz(m,n,a,nz) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_allocate_mnnz + use psb_error_mod + use psb_realloc_mod + implicit none + integer(psb_lpk_), intent(in) :: m,n + class(psb_lz_coo_sparse_mat), intent(inout) :: a + integer(psb_lpk_), intent(in), optional :: nz + integer(psb_ipk_) :: err_act, info + integer(psb_lpk_) :: nz_ + character(len=20) :: name='allocate_mnz' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + if (m < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/ione,izero/)) + goto 9999 + endif + if (n < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/2_psb_ipk_,izero/)) + goto 9999 + endif + if (present(nz)) then + nz_ = max(nz,ione) + else + nz_ = max(7*m,7*n,ione) + end if + if (nz_ < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/3_psb_ipk_,izero/)) + goto 9999 + endif + if (info == psb_success_) call psb_realloc(nz_,a%ia,info) + if (info == psb_success_) call psb_realloc(nz_,a%ja,info) + if (info == psb_success_) call psb_realloc(nz_,a%val,info) + if (info == psb_success_) then + call a%set_nrows(m) + call a%set_ncols(n) + call a%set_nzeros(lzero) + call a%set_bld() + call a%set_triangle(.false.) + call a%set_unit(.false.) + call a%set_dupl(psb_dupl_def_) + ! An empty matrix is sorted! + call a%set_sorted(.true.) + call a%set_host() + end if + if (info /= psb_success_) goto 9999 + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_allocate_mnnz + + + +subroutine psb_lz_coo_print(iout,a,iv,head,ivr,ivc) + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_print + use psb_string_mod + implicit none + + integer(psb_ipk_), intent(in) :: iout + class(psb_lz_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in), optional :: iv(:) + character(len=*), optional :: head + integer(psb_lpk_), intent(in), optional :: ivr(:), ivc(:) + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_coo_print' + logical, parameter :: debug=.false. + + character(len=*), parameter :: datatype='complex' + character(len=80) :: frmtv + integer(psb_lpk_) :: i,j, nmx, ni, nr, nc, nz + + write(iout,'(a)') '%%MatrixMarket matrix coordinate complex general' + if (present(head)) write(iout,'(a,a)') '% ',head + write(iout,'(a)') '%' + write(iout,'(a,a)') '% COO' + + if (a%is_dev()) call a%sync() + + nr = a%get_nrows() + nc = a%get_ncols() + nz = a%get_nzeros() + nmx = max(nr,nc,1) + if (present(iv)) nmx = max(nmx,maxval(abs(iv))) + if (present(ivr)) nmx = max(nmx,maxval(abs(ivr))) + if (present(ivc)) nmx = max(nmx,maxval(abs(ivc))) + ni = floor(log10(1.0*nmx)) + 1 + + if (datatype=='real') then + write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),es26.18,1x,2(i',ni,',1x))' + else + write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),2(es26.18,1x),2(i',ni,',1x))' + end if + write(iout,*) nr, nc, nz + if(present(iv)) then + do j=1,a%get_nzeros() + write(iout,frmtv) iv(a%ia(j)),iv(a%ja(j)),a%val(j) + enddo + else + if (present(ivr).and..not.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) ivr(a%ia(j)),a%ja(j),a%val(j) + enddo + else if (present(ivr).and.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) ivr(a%ia(j)),ivc(a%ja(j)),a%val(j) + enddo + else if (.not.present(ivr).and.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) a%ia(j),ivc(a%ja(j)),a%val(j) + enddo + else if (.not.present(ivr).and..not.present(ivc)) then + do j=1,a%get_nzeros() + write(iout,frmtv) a%ia(j),a%ja(j),a%val(j) + enddo + endif + endif + +end subroutine psb_lz_coo_print + + + + +function psb_lz_coo_get_nz_row(idx,a) result(res) + use psb_const_mod + use psb_sort_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_get_nz_row + implicit none + + class(psb_lz_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: idx + integer(psb_lpk_) :: res + integer(psb_lpk_) :: nzin_, nza,ip,jp,i,k + integer(psb_ipk_) :: inza + + if (a%is_dev()) call a%sync() + res = 0 + nza = a%get_nzeros() + if (a%is_by_rows()) then + ! In this case we can do a binary search. + inza = nza + ip = psb_bsrch(idx,inza,a%ia) + if (ip /= -1) return + jp = ip + do + if (ip < 2) exit + if (a%ia(ip-1) == idx) then + ip = ip -1 + else + exit + end if + end do + do + if (jp == nza) exit + if (a%ia(jp+1) == idx) then + jp = jp + 1 + else + exit + end if + end do + + res = jp - ip +1 + + else + + res = 0 + + do i=1, nza + if (a%ia(i) == idx) then + res = res + 1 + end if + end do + + end if + +end function psb_lz_coo_get_nz_row + +subroutine psb_lz_coo_cssm(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_cssm + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + complex(psb_dpk_) :: acc + complex(psb_dpk_), allocatable :: tmp(:,:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_base_csmm' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + if (a%is_dev()) call a%sync() + + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + m = a%get_nrows() + if (size(x,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nc = min(size(x,2) , size(y,2)) + nnz = a%get_nzeros() + + if (alpha == zzero) then + if (beta == zzero) then + do i = 1, m + y(i,1:nc) = zzero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + return + end if + + if (beta == zzero) then + call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & m,nc,nnz,a%ia,a%ja,a%val,& + & x,size(x,1,kind=psb_lpk_),y,size(y,1,kind=psb_lpk_),info) + do i = 1, m + y(i,1:nc) = alpha*y(i,1:nc) + end do + else + allocate(tmp(m,nc), stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & m,nc,nnz,a%ia,a%ja,a%val,& + & x,size(x,1,kind=psb_lpk_),tmp,size(tmp,1,kind=psb_lpk_),info) + do i = 1, m + y(i,1:nc) = alpha*tmp(i,1:nc) + beta*y(i,1:nc) + end do + end if + + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='inner_coosm') + goto 9999 + end if + + call psb_erractionrestore(err_act) + return + + +9999 call psb_error_handler(err_act) + + return + + +contains + + subroutine inner_coosm(tra,ctra,lower,unit,sorted,nr,nc,nz,& + & ia,ja,val,x,ldx,y,ldy,info) + implicit none + logical, intent(in) :: tra,ctra,lower,unit,sorted + integer(psb_lpk_), intent(in) :: nr,nc,nz,ldx,ldy,ia(*),ja(*) + complex(psb_dpk_), intent(in) :: val(*), x(ldx,*) + complex(psb_dpk_), intent(out) :: y(ldy,*) + integer(psb_ipk_), intent(out) :: info + + integer(psb_lpk_) :: i,j,k,m, ir, jc + complex(psb_dpk_), allocatable :: acc(:) + + info = psb_success_ + allocate(acc(nc), stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + return + end if + + + if (.not.sorted) then + info = psb_err_invalid_mat_state_ + return + end if + + nnz = nz + + + if ((.not.tra).and.(.not.ctra)) then + + if (lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = zzero + do + if (j > nnz) exit + if (ia(j) > i) exit + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j + 1 + end do + y(i,1:nc) = x(i,1:nc) - acc(1:nc) + end do + else if (.not.unit) then + j = 1 + do i=1, nr + acc(1:nc) = zzero + do + if (j > nnz) exit + if (ia(j) > i) exit + if (ja(j) == i) then + y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j) + j = j + 1 + exit + end if + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j + 1 + end do + end do + end if + + else if (.not.lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = zzero + do + if (j < 1) exit + if (ia(j) < i) exit + acc(1:nc) = acc(1:nc) + val(j)*x(ja(j),1:nc) + j = j - 1 + end do + y(i,1:nc) = x(i,1:nc) - acc(1:nc) + end do + + else if (.not.unit) then + + j = nnz + do i=nr, 1, -1 + acc(1:nc) = zzero + do + if (j < 1) exit + if (ia(j) < i) exit + if (ja(j) == i) then + y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j) + j = j - 1 + exit + end if + acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc) + j = j - 1 + end do + end do + end if + + end if + + else if (tra) then + + do i=1, nr + y(i,1:nc) = x(i,1:nc) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) /val(j) + j = j - 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) /val(j) + j = j + 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc) + j = j + 1 + end do + end do + end if + end if + end if + + else if (ctra) then + + do i=1, nr + y(i,1:nc) = x(i,1:nc) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - conjg(val(j))*acc(1:nc) + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) / conjg(val(j)) + j = j - 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - conjg(val(j))*acc(1:nc) + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - conjg(val(j))*acc(1:nc) + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i,1:nc) = y(i,1:nc) / conjg(val(j)) + j = j + 1 + end if + acc(1:nc) = y(i,1:nc) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc,1:nc) = y(jc,1:nc) - conjg(val(j))*acc(1:nc) + j = j + 1 + end do + end do + end if + end if + end if + + end if + end subroutine inner_coosm + +end subroutine psb_lz_coo_cssm + + + +subroutine psb_lz_coo_cssv(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_cssv + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:) + complex(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc + complex(psb_dpk_) :: acc + complex(psb_dpk_), allocatable :: tmp(:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_coo_cssv_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + if (a%is_dev()) call a%sync() + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + m = a%get_nrows() + if (size(x,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + if (.not. (a%is_triangle())) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + end if + + + if (alpha == zzero) then + if (beta == zzero) then + do i = 1, m + y(i) = zzero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + return + end if + + if (beta == zzero) then + call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,& + & x,y,info) + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + do i = 1, m + y(i) = alpha*y(i) + end do + else + allocate(tmp(m), stat=info) + if (info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),& + & a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,& + & x,tmp,info) + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + do i = 1, m + y(i) = alpha*tmp(i) + beta*y(i) + end do + end if + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +contains + + subroutine inner_coosv(tra,ctra,lower,unit,sorted,nr,nz,& + & ia,ja,val,x,y,info) + implicit none + logical, intent(in) :: tra,ctra,lower,unit,sorted + integer(psb_lpk_), intent(in) :: nr,nz,ia(*),ja(*) + complex(psb_dpk_), intent(in) :: val(*), x(*) + complex(psb_dpk_), intent(out) :: y(*) + integer(psb_ipk_), intent(out) :: info + + integer(psb_lpk_) :: i,j,k,m, ir, jc, nnz + complex(psb_dpk_) :: acc + + info = psb_success_ + if (.not.sorted) then + info = psb_err_invalid_mat_state_ + return + end if + + nnz = nz + + if ((.not.tra).and.(.not.ctra)) then + + if (lower) then + if (unit) then + j = 1 + do i=1, nr + acc = zzero + do + if (j > nnz) exit + if (ia(j) > i) exit + acc = acc + val(j)*y(ja(j)) + j = j + 1 + end do + y(i) = x(i) - acc + end do + else if (.not.unit) then + j = 1 + do i=1, nr + acc = zzero + do + if (j > nnz) exit + if (ia(j) > i) exit + if (ja(j) == i) then + y(i) = (x(i) - acc)/val(j) + j = j + 1 + exit + end if + acc = acc + val(j)*y(ja(j)) + j = j + 1 + end do + end do + end if + + else if (.not.lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = zzero + do + if (j < 1) exit + if (ia(j) < i) exit + acc = acc + val(j)*y(ja(j)) + j = j - 1 + end do + y(i) = x(i) - acc + end do + + else if (.not.unit) then + + j = nnz + do i=nr, 1, -1 + acc = zzero + do + if (j < 1) exit + if (ia(j) < i) exit + if (ja(j) == i) then + y(i) = (x(i) - acc)/val(j) + j = j - 1 + exit + end if + acc = acc + val(j)*y(ja(j)) + j = j - 1 + end do + end do + end if + + end if + + else if (tra) then + + do i=1, nr + y(i) = x(i) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i) = y(i) /val(j) + j = j - 1 + end if + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i) = y(i) /val(j) + j = j + 1 + end if + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - val(j)*acc + j = j + 1 + end do + end do + end if + end if + end if + + else if (ctra) then + + do i=1, nr + y(i) = x(i) + end do + + if (lower) then + if (unit) then + j = nnz + do i=nr, 1, -1 + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - conjg(val(j))*acc + j = j - 1 + end do + end do + else if (.not.unit) then + j = nnz + do i=nr, 1, -1 + if (ja(j) == i) then + y(i) = y(i) /conjg(val(j)) + j = j - 1 + end if + acc = y(i) + do + if (j < 1) exit + if (ia(j) < i) exit + jc = ja(j) + y(jc) = y(jc) - conjg(val(j))*acc + j = j - 1 + end do + end do + + else if (.not.lower) then + if (unit) then + j = 1 + do i=1, nr + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - conjg(val(j))*acc + j = j + 1 + end do + end do + else if (.not.unit) then + j = 1 + do i=1, nr + if (ja(j) == i) then + y(i) = y(i) /conjg(val(j)) + j = j + 1 + end if + acc = y(i) + do + if (j > nnz) exit + if (ia(j) > i) exit + jc = ja(j) + y(jc) = y(jc) - conjg(val(j))*acc + j = j + 1 + end do + end do + end if + end if + end if + end if + + end subroutine inner_coosv + + +end subroutine psb_lz_coo_cssv + +subroutine psb_lz_coo_csmv(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_csmv + implicit none + + class(psb_lz_coo_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:) + complex(psb_dpk_), intent(inout) :: y(:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc + complex(psb_dpk_) :: acc + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_coo_csmv_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + if (a%is_dev()) call a%sync() + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + + + if (tra.or.ctra) then + m = a%get_ncols() + n = a%get_nrows() + else + n = a%get_ncols() + m = a%get_nrows() + end if + if (size(x,1) < n) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),n/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nnz = a%get_nzeros() + + if (alpha == zzero) then + if (beta == zzero) then + do i = 1, m + y(i) = zzero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + return + else + if (a%is_unit()) then + if (beta == zzero) then + do i = 1, min(m,n) + y(i) = alpha*x(i) + enddo + do i = min(m,n)+1, m + y(i) = zzero + enddo + else + do i = 1, min(m,n) + y(i) = beta*y(i) + alpha*x(i) + end do + do i = min(m,n)+1, m + y(i) = beta*y(i) + enddo + endif + else + if (beta == zzero) then + do i = 1, m + y(i) = zzero + enddo + else + do i = 1, m + y(i) = beta*y(i) + end do + endif + + endif + + end if + + if ((.not.tra).and.(.not.ctra)) then + i = 1 + j = i + if (nnz > 0) then + ir = a%ia(1) + acc = zzero + do + if (i>nnz) then + y(ir) = y(ir) + alpha * acc + exit + endif + if (a%ia(i) /= ir) then + y(ir) = y(ir) + alpha * acc + ir = a%ia(i) + acc = zzero + endif + acc = acc + a%val(i) * x(a%ja(i)) + i = i + 1 + enddo + end if + + else if (tra) then + + if (alpha == zone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + a%val(i)*x(jc) + enddo + + else if (alpha == -zone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) - a%val(i)*x(jc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + alpha*a%val(i)*x(jc) + enddo + + end if !.....end testing on alpha + + else if (ctra) then + + if (alpha == zone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + conjg(a%val(i))*x(jc) + enddo + + else if (alpha == -zone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) - conjg(a%val(i))*x(jc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir) = y(ir) + alpha*conjg(a%val(i))*x(jc) + enddo + + end if !.....end testing on alpha + + endif + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_csmv + + +subroutine psb_lz_coo_csmm(alpha,a,x,beta,y,info,trans) + use psb_const_mod + use psb_error_mod + use psb_string_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_csmm + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(in) :: alpha, beta, x(:,:) + complex(psb_dpk_), intent(inout) :: y(:,:) + integer(psb_ipk_), intent(out) :: info + character, optional, intent(in) :: trans + + character :: trans_ + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + complex(psb_dpk_), allocatable :: acc(:) + logical :: tra, ctra + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_coo_csmm_impl' + logical, parameter :: debug=.false. + + info = psb_success_ + call psb_erractionsave(err_act) + + + if (.not.a%is_asb()) then + info = psb_err_invalid_mat_state_ + call psb_errpush(info,name) + goto 9999 + endif + + if (a%is_dev()) call a%sync() + + if (present(trans)) then + trans_ = trans + else + trans_ = 'N' + end if + + + tra = (psb_toupper(trans_) == 'T') + ctra = (psb_toupper(trans_) == 'C') + + + if (tra.or.ctra) then + m = a%get_ncols() + n = a%get_nrows() + else + n = a%get_ncols() + m = a%get_nrows() + end if + if (size(x,1) < n) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/3_psb_lpk_,size(x,1,kind=psb_lpk_),n/)) + goto 9999 + end if + if (size(y,1) < m) then + info = psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/5_psb_lpk_,size(y,1,kind=psb_lpk_),m/)) + goto 9999 + end if + + nnz = a%get_nzeros() + + nc = min(size(x,2), size(y,2)) + allocate(acc(nc),stat=info) + if(info /= psb_success_) then + info=psb_err_from_subroutine_ + call psb_errpush(info,name,a_err='allocate') + goto 9999 + end if + + + if (alpha == zzero) then + if (beta == zzero) then + do i = 1, m + y(i,1:nc) = zzero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + return + else + if (a%is_unit()) then + if (beta == zzero) then + do i = 1, min(m,n) + y(i,1:nc) = alpha*x(i,1:nc) + enddo + do i = min(m,n)+1, m + y(i,1:nc) = zzero + enddo + else + do i = 1, min(m,n) + y(i,1:nc) = beta*y(i,1:nc) + alpha*x(i,1:nc) + end do + do i = min(m,n)+1, m + y(i,1:nc) = beta*y(i,1:nc) + enddo + endif + else + if (beta == zzero) then + do i = 1, m + y(i,1:nc) = zzero + enddo + else + do i = 1, m + y(i,1:nc) = beta*y(i,1:nc) + end do + endif + + endif + + end if + + if (.not.tra) then + i = 1 + j = i + if (nnz > 0) then + ir = a%ia(1) + acc = zzero + do + if (i>nnz) then + y(ir,1:nc) = y(ir,1:nc) + alpha * acc + exit + endif + if (a%ia(i) /= ir) then + y(ir,1:nc) = y(ir,1:nc) + alpha * acc + ir = a%ia(i) + acc = zzero + endif + acc = acc + a%val(i) * x(a%ja(i),1:nc) + i = i + 1 + enddo + end if + + else if (tra) then + + if (alpha == zone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + a%val(i)*x(jc,1:nc) + enddo + + else if (alpha == -zone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) - a%val(i)*x(jc,1:nc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + alpha*a%val(i)*x(jc,1:nc) + enddo + + end if !.....end testing on alpha + + else if (ctra) then + + if (alpha == zone) then + i = 1 + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + conjg(a%val(i))*x(jc,1:nc) + enddo + + else if (alpha == -zone) then + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) - conjg(a%val(i))*x(jc,1:nc) + enddo + + else + + do i=1,nnz + ir = a%ja(i) + jc = a%ia(i) + y(ir,1:nc) = y(ir,1:nc) + alpha*conjg(a%val(i))*x(jc,1:nc) + enddo + + end if !.....end testing on alpha + + endif + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_csmm + +function psb_lz_coo_maxval(a) result(res) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_maxval + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_ipk_) :: info + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + character(len=20) :: name='lz_coo_maxval' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + if (a%is_unit()) then + res = done + else + res = dzero + end if + nnz = a%get_nzeros() + if (allocated(a%val)) then + nnz = min(nnz,size(a%val)) + res = maxval(abs(a%val(1:nnz))) + end if + +end function psb_lz_coo_maxval + +function psb_lz_coo_csnmi(a) result(res) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_csnmi + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra, is_unit + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='lz_coo_csnmi' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + res = dzero + nnz = a%get_nzeros() + is_unit = a%is_unit() + if (a%is_by_rows()) then + i = 1 + j = i + res = dzero + do while (i<=nnz) + do while ((a%ia(j) == a%ia(i)).and. (j <= nnz)) + j = j+1 + enddo + if (is_unit) then + acc = done + else + acc = dzero + end if + do k=i, j-1 + acc = acc + abs(a%val(k)) + end do + res = max(res,acc) + i = j + end do + else + m = a%get_nrows() + allocate(vt(m),stat=info) + if (info /= 0) return + if (is_unit) then + vt = done + else + vt = dzero + end if + do j=1, nnz + i = a%ia(j) + vt(i) = vt(i) + abs(a%val(j)) + end do + res = maxval(vt(1:m)) + deallocate(vt,stat=info) + end if + +end function psb_lz_coo_csnmi + + +function psb_lz_coo_csnm1(a) result(res) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_csnm1 + + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + real(psb_dpk_) :: res + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='lz_coo_csnm1' + logical, parameter :: debug=.false. + + if (a%is_dev()) call a%sync() + + res = dzero + nnz = a%get_nzeros() + n = a%get_ncols() + allocate(vt(n),stat=info) + if (info /= 0) return + if (a%is_unit()) then + vt = done + else + vt = dzero + end if + do j=1, nnz + i = a%ja(j) + vt(i) = vt(i) + abs(a%val(j)) + end do + res = maxval(vt(1:n)) + deallocate(vt,stat=info) + + return + +end function psb_lz_coo_csnm1 + +subroutine psb_lz_coo_rowsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_rowsum + class(psb_lz_coo_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + complex(psb_dpk_) :: acc + complex(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + m = a%get_nrows() + + if (size(d) < m) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),m/)) + goto 9999 + end if + + if (a%is_unit()) then + d = zone + else + d = zzero + end if + nnz = a%get_nzeros() + do j=1, nnz + i = a%ia(j) + d(i) = d(i) + a%val(j) + end do + + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_rowsum + +subroutine psb_lz_coo_arwsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_arwsum + class(psb_lz_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='rowsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + m = a%get_nrows() + if (size(d) < m) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),m/)) + goto 9999 + end if + + if (a%is_unit()) then + d = done + else + d = dzero + end if + nnz = a%get_nzeros() + do j=1, nnz + i = a%ia(j) + d(i) = d(i) + abs(a%val(j)) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_arwsum + +subroutine psb_lz_coo_colsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_colsum + class(psb_lz_coo_sparse_mat), intent(in) :: a + complex(psb_dpk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + complex(psb_dpk_) :: acc + complex(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='colsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + n = a%get_ncols() + if (size(d) < n) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),n/)) + goto 9999 + end if + + if (a%is_unit()) then + d = zone + else + d = zzero + end if + + nnz = a%get_nzeros() + do j=1, nnz + k = a%ja(j) + d(k) = d(k) + a%val(j) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_colsum + +subroutine psb_lz_coo_aclsum(d,a) + use psb_error_mod + use psb_const_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_aclsum + class(psb_lz_coo_sparse_mat), intent(in) :: a + real(psb_dpk_), intent(out) :: d(:) + + integer(psb_lpk_) :: i,j,k,m,n, nnz, ir, jc, nc + real(psb_dpk_) :: acc + real(psb_dpk_), allocatable :: vt(:) + logical :: tra + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='aclsum' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + n = a%get_ncols() + if (size(d) < n) then + info=psb_err_input_asize_small_i_ + call psb_errpush(info,name,l_err=(/1_psb_lpk_,size(d,kind=psb_lpk_),n/)) + goto 9999 + end if + + + if (a%is_unit()) then + d = done + else + d = dzero + end if + + nnz = a%get_nzeros() + do j=1, nnz + k = a%ja(j) + d(k) = d(k) + abs(a%val(j)) + end do + + return + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_aclsum + + + +! == ================================== +! +! +! +! Data management +! +! +! +! +! +! == ================================== + + + +subroutine psb_lz_coo_csgetptn(imin,imax,a,nz,ia,ja,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_csgetptn + implicit none + + class(psb_lz_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + + logical :: append_, rscale_, cscale_ + integer(psb_lpk_) :: nzin_, jmin_, jmax_, i + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + info = psb_success_ + nz = 0 + + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if ((imax= psb_debug_serial_)& + & write(debug_unit,*) trim(name), ': srtdcoo ' + do + ip = psb_bsrch(irw,inza,a%ia) + if (ip /= -1) exit + irw = irw + 1 + if (irw > imax) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error? ',& + & irw,lrw,imin + exit + end if + end do + + if (ip /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (ip < 2) exit + if (a%ia(ip-1) == irw) then + ip = ip -1 + else + exit + end if + end do + + end if + + do + jp = psb_bsrch(lrw,inza,a%ia) + if (jp /= -1) exit + lrw = lrw - 1 + if (irw > lrw) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error?' + exit + end if + end do + + if (jp /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (jp == nza) exit + if (a%ia(jp+1) == lrw) then + jp = jp + 1 + else + exit + end if + end do + end if + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': ip jp',ip,jp,nza + if ((ip /= -1) .and.(jp /= -1)) then + ! Now do the copy. + nzt = jp - ip +1 + nz = 0 + + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + if (present(iren)) then + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nzin_ = nzin_ + 1 + nz = nz + 1 + ia(nzin_) = iren(a%ia(i)) + ja(nzin_) = iren(a%ja(i)) + end if + enddo + else + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nzin_ = nzin_ + 1 + nz = nz + 1 + ia(nzin_) = a%ia(i) + ja(nzin_) = a%ja(i) + end if + enddo + end if + else + nz = 0 + end if + + else + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': unsorted ' + + nrd = max(a%get_nrows(),1) + nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1) + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + if (present(iren)) then + k = 0 + do i=1, a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + end if + ia(nzin_+k) = iren(a%ia(i)) + ja(nzin_+k) = iren(a%ja(i)) + endif + enddo + else + k = 0 + do i=1,a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info /= psb_success_) return + + end if + ia(nzin_+k) = (a%ia(i)) + ja(nzin_+k) = (a%ja(i)) + endif + enddo + nzin_=nzin_+k + end if + nz = k + end if + + end subroutine coo_getptn + +end subroutine psb_lz_coo_csgetptn + + +! +! NZ is the number of non-zeros on output. +! The output is guaranteed to be sorted +! +subroutine psb_lz_coo_csgetrow(imin,imax,a,nz,ia,ja,val,info,& + & jmin,jmax,iren,append,nzin,rscale,cscale) + ! Output is always in COO format + use psb_error_mod + use psb_const_mod + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_csgetrow + implicit none + + class(psb_lz_coo_sparse_mat), intent(in) :: a + integer(psb_lpk_), intent(in) :: imin,imax + integer(psb_lpk_), intent(out) :: nz + integer(psb_lpk_), allocatable, intent(inout) :: ia(:), ja(:) + complex(psb_dpk_), allocatable, intent(inout) :: val(:) + integer(psb_ipk_),intent(out) :: info + logical, intent(in), optional :: append + integer(psb_lpk_), intent(in), optional :: iren(:) + integer(psb_lpk_), intent(in), optional :: jmin,jmax, nzin + logical, intent(in), optional :: rscale,cscale + + logical :: append_, rscale_, cscale_ + integer(psb_lpk_) :: nzin_, jmin_, jmax_, i + integer(psb_ipk_) :: err_act + character(len=20) :: name='csget' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + info = psb_success_ + nz = 0 + if (present(jmin)) then + jmin_ = jmin + else + jmin_ = 1 + endif + if (present(jmax)) then + jmax_ = jmax + else + jmax_ = a%get_ncols() + endif + + if ((imax= psb_debug_serial_)& + & write(debug_unit,*) trim(name), ': srtdcoo ' + do + ip = psb_bsrch(irw,inza,a%ia) + if (ip /= -1) exit + irw = irw + 1 + if (irw > imax) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error? ',& + & irw,lrw,imin + exit + end if + end do + + if (ip /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (ip < 2) exit + if (a%ia(ip-1) == irw) then + ip = ip -1 + else + exit + end if + end do + + end if + + do + jp = psb_bsrch(lrw,inza,a%ia) + if (jp /= -1) exit + lrw = lrw - 1 + if (irw > lrw) then + write(debug_unit,*) trim(name),& + & 'Warning : did not find any rows. Is this an error?' + exit + end if + end do + + if (jp /= -1) then + ! expand [ip,jp] to contain all row entries. + do + if (jp == nza) exit + if (a%ia(jp+1) == lrw) then + jp = jp + 1 + else + exit + end if + end do + end if + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': ip jp',ip,jp,nza + if ((ip /= -1) .and.(jp /= -1)) then + ! Now do the copy. + nzt = jp - ip +1 + nz = 0 + + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + if (present(iren)) then + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nz = nz + 1 + val(nzin_+nz) = a%val(i) + ia(nzin_+nz) = iren(a%ia(i)) + ja(nzin_+nz) = iren(a%ja(i)) + end if + enddo + call psb_lz_fix_coo_inner(nra,nca,nzin_+nz,psb_dupl_add_,ia,ja,val,nz,info) + nz = nz - nzin_ + else + do i=ip,jp + if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + nz = nz + 1 + val(nzin_+nz) = a%val(i) + ia(nzin_+nz) = a%ia(i) + ja(nzin_+nz) = a%ja(i) + end if + enddo + end if + else + nz = 0 + end if + + else + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': unsorted ' + + nrd = max(a%get_nrows(),1) + nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1) + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + if (present(iren)) then + k = 0 + do i=1, a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + end if + val(nzin_+k) = a%val(i) + ia(nzin_+k) = iren(a%ia(i)) + ja(nzin_+k) = iren(a%ja(i)) + endif + enddo + else + k = 0 + do i=1,a%get_nzeros() + if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.& + & (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then + k = k + 1 + if (k > nzt) then + nzt = k + nzt + call psb_ensure_size(nzin_+nzt,ia,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info) + if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info) + if (info /= psb_success_) return + + end if + val(nzin_+k) = a%val(i) + ia(nzin_+k) = (a%ia(i)) + ja(nzin_+k) = (a%ja(i)) + endif + enddo + end if + call psb_lz_fix_coo_inner(nra,nca,nzin_+k,psb_dupl_add_,ia,ja,val,nz,info) + nz = nz - nzin_ + end if + + end subroutine coo_getrow + +end subroutine psb_lz_coo_csgetrow + + +subroutine psb_lz_coo_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl) + use psb_error_mod + use psb_realloc_mod + use psb_sort_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_csput_a + implicit none + + class(psb_lz_coo_sparse_mat), intent(inout) :: a + complex(psb_dpk_), intent(in) :: val(:) + integer(psb_lpk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + + + integer(psb_ipk_) :: err_act + character(len=20) :: name='lz_coo_csput_a_impl' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: nza, i,j,k, nzl, isza + integer(psb_ipk_) :: debug_level, debug_unit + + info = psb_success_ + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + call psb_erractionsave(err_act) + if (a%is_dev()) call a%sync() + + if (nz < 0) then + info = psb_err_iarg_neg_ + call psb_errpush(info,name,i_err=(/1_psb_ipk_/)) + goto 9999 + end if + if (size(ia) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/2_psb_ipk_/)) + goto 9999 + end if + + if (size(ja) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/3_psb_ipk_/)) + goto 9999 + end if + if (size(val) < nz) then + info = psb_err_input_asize_invalid_i_ + call psb_errpush(info,name,i_err=(/4_psb_ipk_/)) + goto 9999 + end if + + if (nz == 0) return + + + nza = a%get_nzeros() + isza = a%get_size() + if (a%is_bld()) then + ! Build phase. Must handle reallocations in a sensible way. + if (isza < (nza+nz)) then + call a%reallocate(max(nza+nz,int(1.5*isza))) + endif + isza = a%get_size() + if (isza < (nza+nz)) then + info = psb_err_alloc_dealloc_; call psb_errpush(info,name) + goto 9999 + end if + + call psb_inner_ins(nz,ia,ja,val,nza,a%ia,a%ja,a%val,isza,& + & imin,imax,jmin,jmax,info,gtl) + call a%set_nzeros(nza) + call a%set_sorted(.false.) + + + else if (a%is_upd()) then + + if (a%is_dev()) call a%sync() + + call lz_coo_srch_upd(nz,ia,ja,val,a,& + & imin,imax,jmin,jmax,info,gtl) + + if (info < 0) then + info = psb_err_internal_error_ + else if (info > 0) then + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Discarded entries not belonging to us.' + info = psb_success_ + end if + else + ! State is wrong. + info = psb_err_invalid_mat_state_ + end if + if (info /= psb_success_) then + call psb_errpush(info,name) + goto 9999 + end if + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +contains + + subroutine psb_inner_ins(nz,ia,ja,val,nza,ia1,ia2,aspk,maxsz,& + & imin,imax,jmin,jmax,info,gtl) + implicit none + + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax,maxsz + integer(psb_lpk_), intent(in) :: ia(:),ja(:) + integer(psb_lpk_), intent(inout) :: nza,ia1(:),ia2(:) + complex(psb_dpk_), intent(in) :: val(:) + complex(psb_dpk_), intent(inout) :: aspk(:) + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + integer(psb_lpk_) :: i,ir,ic,ng + + info = psb_success_ + if (present(gtl)) then + ng = size(gtl) + + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + ic = gtl(ic) + if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then + nza = nza + 1 + ia1(nza) = ir + ia2(nza) = ic + aspk(nza) = val(i) + end if + end if + end do + else + + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then + nza = nza + 1 + ia1(nza) = ir + ia2(nza) = ic + aspk(nza) = val(i) + end if + end do + end if + + end subroutine psb_inner_ins + + + subroutine lz_coo_srch_upd(nz,ia,ja,val,a,& + & imin,imax,jmin,jmax,info,gtl) + + use psb_const_mod + use psb_realloc_mod + use psb_string_mod + implicit none + + class(psb_lz_coo_sparse_mat), intent(inout) :: a + integer(psb_lpk_), intent(in) :: nz, imin,imax,jmin,jmax + integer(psb_lpk_), intent(in) :: ia(:),ja(:) + complex(psb_dpk_), intent(in) :: val(:) + integer(psb_ipk_), intent(out) :: info + integer(psb_lpk_), intent(in), optional :: gtl(:) + integer(psb_lpk_) :: i,ir,ic, ilr, ilc, ip, & + & i1,i2,nnz,dupl,ng, nr + integer(psb_ipk_) :: debug_level, debug_unit, innz, nc + character(len=20) :: name='lz_coo_srch_upd' + + info = psb_success_ + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + dupl = a%get_dupl() + + if (.not.a%is_sorted()) then + info = -4 + return + end if + + ilr = -1 + ilc = -1 + nnz = a%get_nzeros() + nr = a%get_nrows() + innz = nnz + + if (present(gtl)) then + ng = size(gtl) + + select case(dupl) + case(psb_dupl_ovwrt_,psb_dupl_err_) + ! Overwrite. + ! Cannot test for error, should have been caught earlier. + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + if ((ir > 0).and.(ir <= nr)) then + ic = gtl(ic) + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + endif + else + info = max(info,1) + end if + end do + case(psb_dupl_add_) + ! Add + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then + ir = gtl(ir) + ic = gtl(ic) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = a%val(i1+ip-1) + val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + else + info = max(info,1) + end if + end do + + case default + info = -3 + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Duplicate handling: ',dupl + end select + + else + + select case(dupl) + case(psb_dupl_ovwrt_,psb_dupl_err_) + ! Overwrite. + ! Cannot test for error, should have been caught earlier. + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + end do + + case(psb_dupl_add_) + ! Add + do i=1, nz + ir = ia(i) + ic = ja(i) + if ((ir > 0).and.(ir <= nr)) then + + if (ir /= ilr) then + i1 = psb_bsrch(ir,innz,a%ia) + i2 = i1 + do + if (i2+1 > nnz) exit + if (a%ia(i2+1) /= a%ia(i2)) exit + i2 = i2 + 1 + end do + do + if (i1-1 < 1) exit + if (a%ia(i1-1) /= a%ia(i1)) exit + i1 = i1 - 1 + end do + ilr = ir + else + i1 = 1 + i2 = 1 + end if + nc = i2-i1+1 + ip = psb_ssrch(ic,nc,a%ja(i1:i2)) + if (ip>0) then + a%val(i1+ip-1) = a%val(i1+ip-1) + val(i) + else + info = max(info,3) + end if + else + info = max(info,2) + end if + end do + + case default + info = -3 + if (debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),& + & ': Duplicate handling: ',dupl + end select + + end if + + end subroutine lz_coo_srch_upd + +end subroutine psb_lz_coo_csput_a + + +subroutine psb_lz_cp_coo_to_coo(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_cp_coo_to_coo + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + class(psb_lz_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nz + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + + b%psb_lz_base_sparse_mat = a%psb_lz_base_sparse_mat + call b%set_sort_status(a%get_sort_status()) + nz = a%get_nzeros() + call b%set_nzeros(nz) + call b%reallocate(nz) + + b%ia(1:nz) = a%ia(1:nz) + b%ja(1:nz) = a%ja(1:nz) + b%val(1:nz) = a%val(1:nz) + + call b%set_host() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_cp_coo_to_coo + +subroutine psb_lz_cp_coo_from_coo(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_cp_coo_from_coo + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + class(psb_lz_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_lz_base_sparse_mat = b%psb_lz_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + nz = b%get_nzeros() + call a%set_nzeros(nz) + call a%reallocate(nz) + + a%ia(1:nz) = b%ia(1:nz) + a%ja(1:nz) = b%ja(1:nz) + a%val(1:nz) = b%val(1:nz) + + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_cp_coo_from_coo + + +subroutine psb_lz_cp_coo_to_fmt(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_cp_coo_to_fmt + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + class(psb_lz_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%cp_from_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_cp_coo_to_fmt + +subroutine psb_lz_cp_coo_from_fmt(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_cp_coo_from_fmt + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + class(psb_lz_base_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%cp_to_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_cp_coo_from_fmt + + +subroutine psb_lz_mv_coo_to_coo(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_mv_coo_to_coo + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + class(psb_lz_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + b%psb_lz_base_sparse_mat = a%psb_lz_base_sparse_mat + call b%set_sort_status(a%get_sort_status()) + call b%set_nzeros(a%get_nzeros()) + + call move_alloc(a%ia, b%ia) + call move_alloc(a%ja, b%ja) + call move_alloc(a%val, b%val) + call b%set_host() + call a%free() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_mv_coo_to_coo + +subroutine psb_lz_mv_coo_from_coo(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_mv_coo_from_coo + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + class(psb_lz_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_lz_base_sparse_mat = b%psb_lz_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + call a%set_nzeros(b%get_nzeros()) + + call move_alloc(b%ia , a%ia ) + call move_alloc(b%ja , a%ja ) + call move_alloc(b%val, a%val ) + call b%free() + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_mv_coo_from_coo + + +subroutine psb_lz_mv_coo_to_fmt(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_mv_coo_to_fmt + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + class(psb_lz_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%mv_from_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_mv_coo_to_fmt + +subroutine psb_lz_mv_coo_from_fmt(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_mv_coo_from_fmt + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + class(psb_lz_base_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + + call psb_erractionsave(err_act) + info = psb_success_ + + call b%mv_to_coo(a,info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_mv_coo_from_fmt + +subroutine psb_lz_coo_cp_from(a,b) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_cp_from + implicit none + + class(psb_lz_coo_sparse_mat), intent(inout) :: a + type(psb_lz_coo_sparse_mat), intent(in) :: b + + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='cp_from' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + call a%cp_from_coo(b,info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_cp_from + +subroutine psb_lz_coo_mv_from(a,b) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_coo_mv_from + implicit none + + class(psb_lz_coo_sparse_mat), intent(inout) :: a + type(psb_lz_coo_sparse_mat), intent(inout) :: b + + + integer(psb_ipk_) :: err_act, info + character(len=20) :: name='mv_from' + logical, parameter :: debug=.false. + + call psb_erractionsave(err_act) + info = psb_success_ + call a%mv_from_coo(b,info) + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_coo_mv_from + + + +subroutine psb_lz_fix_coo(a,info,idir) + use psb_const_mod + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_fix_coo + implicit none + + class(psb_lz_coo_sparse_mat), intent(inout) :: a + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: idir + integer(psb_lpk_), allocatable :: iaux(:) + !locals + integer(psb_lpk_) :: nza, nzl,iret, nra, nca + integer(psb_lpk_) :: i,j, irw, icl + integer(psb_ipk_) :: debug_level, debug_unit, err_act, dupl_, idir_ + character(len=20) :: name = 'psb_fixcoo' + + info = psb_success_ + + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + if(debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': start ',& + & size(a%ia),size(a%ja) + if (present(idir)) then + idir_ = idir + else + idir_ = psb_row_major_ + endif + if (a%is_dev()) call a%sync() + + nra = a%get_nrows() + nca = a%get_ncols() + nza = a%get_nzeros() + if (nza >= 2) then + dupl_ = a%get_dupl() + call psb_lz_fix_coo_inner(nra,nca,nza,dupl_,a%ia,a%ja,a%val,i,info,idir_) + if (info /= psb_success_) goto 9999 + else + i = nza + end if + call a%set_sort_status(idir_) + call a%set_nzeros(i) + call a%set_asb() + call a%set_host() + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_fix_coo + + + +subroutine psb_lz_fix_coo_inner(nr,nc,nzin,dupl,ia,ja,val,nzout,info,idir) + use psb_const_mod + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_fix_coo_inner + use psb_string_mod + use psb_ip_reord_mod + use psb_sort_mod + implicit none + + integer(psb_lpk_), intent(in) :: nr, nc, nzin, dupl + integer(psb_lpk_), intent(inout) :: ia(:), ja(:) + complex(psb_dpk_), intent(inout) :: val(:) + integer(psb_lpk_), intent(out) :: nzout + integer(psb_ipk_), intent(out) :: info + integer(psb_ipk_), intent(in), optional :: idir + !locals + integer(psb_lpk_), allocatable :: iaux(:), ias(:),jas(:), ix2(:) + complex(psb_dpk_), allocatable :: vs(:) + integer(psb_lpk_) :: nza + integer(psb_ipk_) :: iret, nzl,idir_, dupl_, err_act + integer(psb_lpk_) :: i,j, irw, icl, ip,is, imx, k, ii + integer(psb_ipk_) :: debug_level, debug_unit + character(len=20) :: name = 'psb_fixcoo' + logical :: srt_inp, use_buffers + + info = psb_success_ + + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + + if(debug_level >= psb_debug_serial_) & + & write(debug_unit,*) trim(name),': start ',& + & size(ia),size(ja) + if (present(idir)) then + idir_ = idir + else + idir_ = psb_row_major_ + endif + + + if (nzin < 2) then + call psb_erractionrestore(err_act) + return + end if + + dupl_ = dupl + + + + allocate(iaux(max(nr,nc,nzin)+2),stat=info) + if (info /= psb_success_) then + info = psb_err_alloc_dealloc_ + call psb_errpush(info,name) + goto 9999 + end if + + allocate(ias(nzin),jas(nzin),vs(nzin),ix2(max(nr,nc,nzin)+2), stat=info) + use_buffers = (info == 0) + + select case(idir_) + + case(psb_row_major_) + ! Row major order + if (use_buffers) then + if (.not.( (ia(1) < 1).or.(ia(1)> nr)) ) then + iaux(:) = 0 + iaux(ia(1)) = iaux(ia(1)) + 1 + srt_inp = .true. + do i=2,nzin + if ( (ia(i) < 1).or.(ia(i)> nr)) then + use_buffers = .false. + srt_inp = .false. + exit + end if + iaux(ia(i)) = iaux(ia(i)) + 1 + srt_inp = srt_inp .and.(ia(i-1)<=ia(i)) + end do + else + use_buffers=.false. + end if + end if + ! Check again use_buffers. + if (use_buffers) then + if (srt_inp) then + ! If input was already row-major + ! we can do it row-by-row here. + k = 0 + i = 1 + do j=1, nr + nzl = iaux(j) + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ja(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:imx),& + & ia(i:imx),ja(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(k) + val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + !i = i + nzl + enddo + + else if (.not.srt_inp) then + ! If input was not already row-major + ! we have to sort all + + ip = iaux(1) + iaux(1) = 0 + do i=2, nr + is = iaux(i) + iaux(i) = ip + ip = ip + is + end do + iaux(nr+1) = ip + + do i=1,nzin + irw = ia(i) + ip = iaux(irw) + 1 + ias(ip) = ia(i) + jas(ip) = ja(i) + vs(ip) = val(i) + iaux(irw) = ip + end do + k = 0 + i = 1 + do j=1, nr + + nzl = iaux(j)-i+1 + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,jas(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,vs(i:imx),& + & ias(i:imx),jas(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = val(k) + vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + enddo + + end if + + i=k + + deallocate(ias,jas,vs,ix2, stat=info) + + else if (.not.use_buffers) then + + ! + ! If we did not have enough memory for buffers, + ! let's try in place. + ! + call psi_msort_up(nzin,ia(1:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzin,val,ia,ja,iaux) + i = 1 + j = i + do while (i <= nzin) + + do while ((ia(j) == ia(i))) + j = j+1 + if (j > nzin) exit + enddo + nzl = j - i + call psi_msort_up(nzl,ja(i:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:i+nzl-1),& + & ia(i:i+nzl-1),ja(i:i+nzl-1),iaux) + i = j + enddo + + i = 1 + irw = ia(i) + icl = ja(i) + j = 1 + + select case(dupl_) + case(psb_dupl_ovwrt_) + + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_add_) + + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(i) + val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_err_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + end select + endif + + if(debug_level >= psb_debug_serial_)& + & write(debug_unit,*) trim(name),': end second loop' + + + case(psb_col_major_) + + if (use_buffers) then + iaux(:) = 0 + if (.not.( (ja(1) < 1).or.(ja(1)> nc)) ) then + iaux(ja(1)) = iaux(ja(1)) + 1 + srt_inp = .true. + do i=2,nzin + if ( (ja(i) < 1).or.(ja(i)> nc)) then + use_buffers = .false. + srt_inp = .false. + exit + end if + iaux(ja(i)) = iaux(ja(i)) + 1 + srt_inp = srt_inp .and.(ja(i-1)<=ja(i)) + end do + else + use_buffers=.false. + end if + end if + !use_buffers=use_buffers.and.srt_inp + ! Check again use_buffers. + if (use_buffers) then + + if (srt_inp) then + ! If input was already col-major + ! we can do it col-by-col here. + k = 0 + i = 1 + do j=1, nc + nzl = iaux(j) + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ia(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:imx),& + & ia(i:imx),ja(i:imx),ix2) + + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + val(k) = val(k) + val(i) + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ia(i) + ja(k) = ja(i) + val(k) = val(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ia(i) == irw).and.(ja(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = val(i) + ia(k) = ia(i) + ja(k) = ja(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + !i = i + nzl + enddo + + else if (.not.srt_inp) then + ! If input was not already col-major + ! we have to sort all + ip = iaux(1) + iaux(1) = 0 + do i=2, nc + is = iaux(i) + iaux(i) = ip + ip = ip + is + end do + iaux(nc+1) = ip + + do i=1,nzin + icl = ja(i) + ip = iaux(icl) + 1 + ias(ip) = ia(i) + jas(ip) = ja(i) + vs(ip) = val(i) + iaux(icl) = ip + end do + k = 0 + i = 1 + do j=1, nc + nzl = iaux(j)-i+1 + imx = i+nzl-1 + + if (nzl > 0) then + call psi_msort_up(nzl,ias(i:imx),ix2,iret) + if (iret == 0) & + & call psb_ip_reord(nzl,vs(i:imx),& + & ias(i:imx),jas(i:imx),ix2) + select case(dupl_) + case(psb_dupl_ovwrt_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_add_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + val(k) = val(k) + vs(i) + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + + case(psb_dupl_err_) + k = k + 1 + ia(k) = ias(i) + ja(k) = jas(i) + val(k) = vs(i) + irw = ia(k) + icl = ja(k) + do + i = i + 1 + if (i > imx) exit + if ((ias(i) == irw).and.(jas(i) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + k = k+1 + val(k) = vs(i) + ia(k) = ias(i) + ja(k) = jas(i) + irw = ia(k) + icl = ja(k) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + return + end select + + endif + enddo + + end if + + i=k + deallocate(ias,jas,vs,ix2, stat=info) + + else if (.not.use_buffers) then + + call psi_msort_up(nzin,ja(1:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzin,val,ia,ja,iaux) + i = 1 + j = i + do while (i <= nzin) + do while ((ja(j) == ja(i))) + j = j+1 + if (j > nzin) exit + enddo + nzl = j - i + call psi_msort_up(nzl,ia(i:),iaux(1:),iret) + if (iret == 0) & + & call psb_ip_reord(nzl,val(i:i+nzl-1),& + & ia(i:i+nzl-1),ja(i:i+nzl-1),iaux) + i = j + enddo + + i = 1 + irw = ia(i) + icl = ja(i) + j = 1 + + + select case(dupl_) + case(psb_dupl_ovwrt_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_add_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + val(i) = val(i) + val(j) + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + + case(psb_dupl_err_) + do + j = j + 1 + if (j > nzin) exit + if ((ia(j) == irw).and.(ja(j) == icl)) then + call psb_errpush(psb_err_duplicate_coo,name) + goto 9999 + else + i = i+1 + val(i) = val(j) + ia(i) = ia(j) + ja(i) = ja(j) + irw = ia(i) + icl = ja(i) + endif + enddo + case default + write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_ + info =-7 + end select + if (debug_level >= psb_debug_serial_)& + & write(debug_unit,*) trim(name),': end second loop' + + end if + + case default + write(debug_unit,*) trim(name),': unknown direction ',idir_ + info = psb_err_internal_error_ + call psb_errpush(info,name) + goto 9999 + end select + + nzout = i + + deallocate(iaux) + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_fix_coo_inner + + +subroutine psb_lz_cp_coo_to_icoo(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_cp_coo_to_icoo + implicit none + class(psb_lz_coo_sparse_mat), intent(in) :: a + class(psb_z_coo_sparse_mat), intent(inout) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + integer(psb_lpk_) :: nz + character(len=20) :: name='to_coo' + logical, parameter :: debug=.false. + + + call psb_erractionsave(err_act) + info = psb_success_ + if (a%is_dev()) call a%sync() + + b%psb_base_sparse_mat = a%psb_lbase_sparse_mat + call b%set_sort_status(a%get_sort_status()) + nz = a%get_nzeros() + call b%set_nzeros(nz) + call b%reallocate(nz) + + b%ia(1:nz) = a%ia(1:nz) + b%ja(1:nz) = a%ja(1:nz) + b%val(1:nz) = a%val(1:nz) + + call b%set_host() + + if (.not.b%is_by_rows()) call b%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 call psb_error_handler(err_act) + + return + +end subroutine psb_lz_cp_coo_to_icoo + +subroutine psb_lz_cp_coo_from_icoo(a,b,info) + use psb_error_mod + use psb_z_base_mat_mod, psb_protect_name => psb_lz_cp_coo_from_icoo + implicit none + class(psb_lz_coo_sparse_mat), intent(inout) :: a + class(psb_z_coo_sparse_mat), intent(in) :: b + integer(psb_ipk_), intent(out) :: info + + integer(psb_ipk_) :: err_act + character(len=20) :: name='from_coo' + logical, parameter :: debug=.false. + integer(psb_lpk_) :: m,n,nz + + call psb_erractionsave(err_act) + info = psb_success_ + if (b%is_dev()) call b%sync() + a%psb_lbase_sparse_mat = b%psb_base_sparse_mat + call a%set_sort_status(b%get_sort_status()) + nz = b%get_nzeros() + call a%set_nzeros(nz) + call a%reallocate(nz) + + a%ia(1:nz) = b%ia(1:nz) + a%ja(1:nz) = b%ja(1:nz) + a%val(1:nz) = b%val(1:nz) + + call a%set_host() + + if (.not.a%is_by_rows()) call a%fix(info) + + if (info /= psb_success_) goto 9999 + + call psb_erractionrestore(err_act) + return + +9999 continue + call psb_errpush(info,name) + + call psb_error_handler(err_act) + + return + +end subroutine psb_lz_cp_coo_from_icoo +