!!$ !!$ Parallel Sparse BLAS version 3.1 !!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013 !!$ Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari CNRS-IRIT, Toulouse !!$ !!$ 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. !!$ !!$ ! ! File: psb_sallc.f90 ! ! Function: psb_salloc ! Allocates dense matrix for PSBLAS routines. ! The descriptor may be in either the build or assembled state. ! ! Arguments: ! x - the matrix to be allocated. ! desc_a - the communication descriptor. ! info - Return code ! n - optional number of columns. ! lb - optional lower bound on column indices subroutine psb_salloc(x, desc_a, info, n, lb) use psb_base_mod, psb_protect_name => psb_salloc use psi_mod implicit none !....parameters... real(psb_spk_), allocatable, intent(out) :: x(:,:) type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_),intent(out) :: info integer(psb_ipk_), optional, intent(in) :: n, lb !locals integer(psb_ipk_) :: np,me,err,nr,i,j,err_act integer(psb_ipk_) :: ictxt,n_ integer(psb_ipk_) :: int_err(5), exch(3) character(len=20) :: name name='psb_geall' if(psb_get_errstatus() /= 0) return info=psb_success_ err=0 int_err(1)=0 call psb_erractionsave(err_act) ictxt=desc_a%get_context() call psb_info(ictxt, me, np) if (np == -1) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif !... check m and n parameters.... if (.not.psb_is_ok_desc(desc_a)) then info = psb_err_input_matrix_unassembled_ call psb_errpush(info,name) goto 9999 endif if (present(n)) then n_ = n else n_ = 1 endif !global check on n parameters if (me == psb_root_) then exch(1)=n_ call psb_bcast(ictxt,exch(1),root=psb_root_) else call psb_bcast(ictxt,exch(1),root=psb_root_) if (exch(1) /= n_) then info=psb_err_parm_differs_among_procs_ int_err(1)=1 call psb_errpush(info,name,int_err) goto 9999 endif endif !....allocate x ..... if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then nr = max(1,desc_a%get_local_cols()) else if (psb_is_bld_desc(desc_a)) then nr = max(1,desc_a%get_local_rows()) else info = psb_err_internal_error_ call psb_errpush(info,name,int_err,a_err='Invalid desc_a') goto 9999 endif call psb_realloc(nr,n_,x,info,lb2=lb) if (info /= psb_success_) then info=psb_err_alloc_request_ int_err(1)=nr*n_ call psb_errpush(info,name,int_err,a_err='real(psb_spk_)') goto 9999 endif x(:,:) = szero call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error(ictxt) return end if return end subroutine psb_salloc !!$ !!$ Parallel Sparse BLAS version 3.1 !!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013 !!$ Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari CNRS-IRIT, Toulouse !!$ !!$ 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. !!$ !!$ ! ! ! Function: psb_sallocv ! Allocates dense matrix for PSBLAS routines. ! The descriptor may be in either the build or assembled state. ! ! Arguments: ! x(:) - the matrix to be allocated. ! desc_a - the communication descriptor. ! info - return code subroutine psb_sallocv(x, desc_a,info,n) use psb_base_mod, psb_protect_name => psb_sallocv use psi_mod implicit none !....parameters... real(psb_spk_), allocatable, intent(out) :: x(:) type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_),intent(out) :: info integer(psb_ipk_), optional, intent(in) :: n !locals integer(psb_ipk_) :: np,me,nr,i,err_act integer(psb_ipk_) :: ictxt, int_err(5) integer(psb_ipk_) :: debug_level, debug_unit character(len=20) :: name if(psb_get_errstatus() /= 0) return info=psb_success_ name='psb_geall' call psb_erractionsave(err_act) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() ictxt=desc_a%get_context() call psb_info(ictxt, me, np) ! ....verify blacs grid correctness.. if (np == -1) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif !... check m and n parameters.... if (.not.psb_is_ok_desc(desc_a)) then info = psb_err_input_matrix_unassembled_ call psb_errpush(info,name) goto 9999 endif ! As this is a rank-1 array, optional parameter N is actually ignored. !....allocate x ..... if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then nr = max(1,desc_a%get_local_cols()) else if (psb_is_bld_desc(desc_a)) then nr = max(1,desc_a%get_local_rows()) else info = psb_err_internal_error_ call psb_errpush(info,name,int_err,a_err='Invalid desc_a') goto 9999 endif call psb_realloc(nr,x,info) if (info /= psb_success_) then info=psb_err_alloc_request_ int_err(1)=nr call psb_errpush(info,name,int_err,a_err='real(psb_spk_)') goto 9999 endif x(:) = szero call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error(ictxt) return end if return end subroutine psb_sallocv subroutine psb_salloc_vect(x, desc_a,info,n) use psb_base_mod, psb_protect_name => psb_salloc_vect use psi_mod implicit none !....parameters... type(psb_s_vect_type), intent(out) :: x type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_),intent(out) :: info integer(psb_ipk_), optional, intent(in) :: n !locals integer(psb_ipk_) :: np,me,nr,i,err_act integer(psb_ipk_) :: ictxt, int_err(5) integer(psb_ipk_) :: debug_level, debug_unit character(len=20) :: name info=psb_success_ if (psb_errstatus_fatal()) return name='psb_geall' call psb_erractionsave(err_act) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() ictxt=desc_a%get_context() call psb_info(ictxt, me, np) ! ....verify blacs grid correctness.. if (np == -1) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif !... check m and n parameters.... if (.not.desc_a%is_ok()) then info = psb_err_invalid_cd_state_ call psb_errpush(info,name) goto 9999 end if ! As this is a rank-1 array, optional parameter N is actually ignored. !....allocate x ..... if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then nr = max(1,desc_a%get_local_cols()) else if (psb_is_bld_desc(desc_a)) then nr = max(1,desc_a%get_local_rows()) else info = psb_err_internal_error_ call psb_errpush(info,name,int_err,a_err='Invalid desc_a') goto 9999 endif allocate(psb_s_base_vect_type :: x%v, stat=info) if (info == 0) call x%all(nr,info) if (psb_errstatus_fatal()) then info=psb_err_alloc_request_ int_err(1)=nr call psb_errpush(info,name,int_err,a_err='real(psb_spk_)') goto 9999 endif call x%zero() call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error(ictxt) return end if return end subroutine psb_salloc_vect subroutine psb_salloc_vect_r2(x, desc_a,info,n,lb) use psb_base_mod, psb_protect_name => psb_salloc_vect_r2 use psi_mod implicit none !....parameters... type(psb_s_vect_type), allocatable, intent(out) :: x(:) type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_),intent(out) :: info integer(psb_ipk_), optional, intent(in) :: n,lb !locals integer(psb_ipk_) :: np,me,nr,i,err_act, n_, lb_ integer(psb_ipk_) :: ictxt, int_err(5), exch(1) integer(psb_ipk_) :: debug_level, debug_unit character(len=20) :: name info=psb_success_ if (psb_errstatus_fatal()) return name='psb_geall' call psb_erractionsave(err_act) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() ictxt=desc_a%get_context() call psb_info(ictxt, me, np) ! ....verify blacs grid correctness.. if (np == -1) then info = psb_err_context_error_ call psb_errpush(info,name) goto 9999 endif !... check m and n parameters.... if (.not.desc_a%is_ok()) then info = psb_err_invalid_cd_state_ call psb_errpush(info,name) goto 9999 end if if (present(n)) then n_ = n else n_ = 1 endif if (present(lb)) then lb_ = lb else lb_ = 1 endif !global check on n parameters if (me == psb_root_) then exch(1)=n_ call psb_bcast(ictxt,exch(1),root=psb_root_) else call psb_bcast(ictxt,exch(1),root=psb_root_) if (exch(1) /= n_) then info=psb_err_parm_differs_among_procs_ int_err(1)=1 call psb_errpush(info,name,int_err) goto 9999 endif endif ! As this is a rank-1 array, optional parameter N is actually ignored. !....allocate x ..... if (desc_a%is_asb().or.desc_a%is_upd()) then nr = max(1,desc_a%get_local_cols()) else if (desc_a%is_bld()) then nr = max(1,desc_a%get_local_rows()) else info = psb_err_internal_error_ call psb_errpush(info,name,int_err,a_err='Invalid desc_a') goto 9999 endif allocate(x(lb_:lb_+n_-1), stat=info) if (info == 0) then do i=lb_, lb_+n_-1 allocate(psb_s_base_vect_type :: x(i)%v, stat=info) if (info == 0) call x(i)%all(nr,info) if (info == 0) call x(i)%zero() if (info /= 0) exit end do end if if (psb_errstatus_fatal()) then info=psb_err_alloc_request_ int_err(1)=nr call psb_errpush(info,name,int_err,a_err='real(psb_spk_)') goto 9999 endif call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error(ictxt) return end if return end subroutine psb_salloc_vect_r2