! ! 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. ! ! ! ! File: psb_lallc.f90 ! ! Function: psb_lalloc_vect ! Allocates dense vector for PSBLAS routines. ! The descriptor may be in either the build or assembled state. ! ! Arguments: ! x - the vector to be allocated. ! desc_a - the communication descriptor. ! info - Return code subroutine psb_lalloc_vect(x, desc_a,info) use psb_base_mod, psb_protect_name => psb_lalloc_vect use psi_mod implicit none !....parameters... type(psb_l_vect_type), intent(out) :: x type(psb_desc_type), intent(in) :: desc_a integer(psb_ipk_),intent(out) :: info !locals integer(psb_ipk_) :: np,me,nr,i,err_act type(psb_ctxt_type) :: ictxt 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,a_err='Invalid desc_a') goto 9999 endif allocate(psb_l_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_ call psb_errpush(info,name,i_err=(/nr/),a_err='real(psb_spk_)') goto 9999 endif call x%zero() call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ictxt,err_act) return end subroutine psb_lalloc_vect ! Function: psb_lalloc_vect_r2 ! Allocates a vector of dense vectors for PSBLAS routines. ! The descriptor may be in either the build or assembled state. ! ! Arguments: ! x - the vector 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_lalloc_vect_r2(x, desc_a,info,n,lb) use psb_base_mod, psb_protect_name => psb_lalloc_vect_r2 use psi_mod implicit none !....parameters... type(psb_l_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 type(psb_ctxt_type) :: ictxt integer(psb_ipk_) :: np,me,nr,i,err_act, n_, lb_ integer(psb_ipk_) :: 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_ call psb_errpush(info,name,i_err=(/ione/)) 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,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_l_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_ call psb_errpush(info,name,i_err=(/nr/),a_err='real(psb_spk_)') goto 9999 endif call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ictxt,err_act) return end subroutine psb_lalloc_vect_r2 subroutine psb_lalloc_multivect(x, desc_a,info,n) use psb_base_mod, psb_protect_name => psb_lalloc_multivect use psi_mod implicit none !....parameters... type(psb_l_multivect_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 type(psb_ctxt_type) :: ictxt integer(psb_ipk_) :: np,me,nr,i,err_act, n_, lb_ integer(psb_ipk_) :: 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 !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_ call psb_errpush(info,name,i_err=(/ione/)) 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,a_err='Invalid desc_a') goto 9999 endif allocate(psb_l_base_multivect_type :: x%v, stat=info) if (info == 0) call x%all(nr,n_,info) if (info == 0) call x%zero() if (psb_errstatus_fatal()) then info=psb_err_alloc_request_ call psb_errpush(info,name,i_err=(/nr/),a_err='real(psb_spk_)') goto 9999 endif call psb_erractionrestore(err_act) return 9999 call psb_error_handler(ictxt,err_act) return end subroutine psb_lalloc_multivect