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255 lines
6.9 KiB
Fortran
255 lines
6.9 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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! are met:
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions, and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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! 3. The name of the PSBLAS group or the names of its contributors may
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! not be used to endorse or promote products derived from this
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! software without specific written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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! POSSIBILITY OF SUCH DAMAGE.
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!
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!
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! File: psb_cgetmatinfo.f90
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!
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! This function containts the implementation for obtaining information on the
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! paralle sparse matrix
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!
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function psb_cget_nnz(a,desc_a,info) result(res)
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use psb_base_mod, psb_protect_name => psb_cget_nnz
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use psi_mod
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use mpi
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implicit none
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integer(psb_lpk_) :: res
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type(psb_cspmat_type), intent(in) :: a
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type(psb_desc_type), intent (in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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! locals
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integer(psb_ipk_) :: ictxt, np, me,&
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& err_act, iia, jja
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integer(psb_lpk_) :: m,n,ia,ja,localnnz
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character(len=20) :: name, ch_err
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!
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name='psb_cget_nnz'
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info=psb_success_
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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ictxt=desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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m = desc_a%get_global_rows()
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n = desc_a%get_global_cols()
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! Check for matrix correctness
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call psb_chkmat(m,n,ia,ja,desc_a,info,iia,jja)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_chkmat'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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localnnz = a%get_nzeros()
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call MPI_ALLREDUCE(localnnz, res, 1, MPI_LONG, MPI_SUM, ictxt, info)
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ictxt,err_act)
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return
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end function
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function psb_c_is_matupd(a,desc_a,info) result(res)
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use psb_base_mod, psb_protect_name => psb_c_is_matupd
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use psi_mod
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implicit none
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logical :: res
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type(psb_cspmat_type), intent(in) :: a
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type(psb_desc_type), intent (in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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! locals
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integer(psb_ipk_) :: ictxt, np, me,&
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& err_act, iia, jja
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integer(psb_lpk_) :: m,n,ia,ja,localnnz
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character(len=20) :: name, ch_err
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!
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name='psb_cis_matupd'
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info=psb_success_
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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ictxt=desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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m = desc_a%get_global_rows()
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n = desc_a%get_global_cols()
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! Check for matrix correctness
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call psb_chkmat(m,n,ia,ja,desc_a,info,iia,jja)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_chkmat'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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res = a%is_upd()
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ictxt,err_act)
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return
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end function
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function psb_c_is_matasb(a,desc_a,info) result(res)
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use psb_base_mod, psb_protect_name => psb_c_is_matasb
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use psi_mod
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implicit none
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logical :: res
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type(psb_cspmat_type), intent(in) :: a
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type(psb_desc_type), intent (in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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! locals
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integer(psb_ipk_) :: ictxt, np, me,&
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& err_act, iia, jja
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integer(psb_lpk_) :: m,n,ia,ja,localnnz
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character(len=20) :: name, ch_err
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!
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name='psb_cis_matasb'
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info=psb_success_
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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ictxt=desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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m = desc_a%get_global_rows()
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n = desc_a%get_global_cols()
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! Check for matrix correctness
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call psb_chkmat(m,n,ia,ja,desc_a,info,iia,jja)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_chkmat'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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res = a%is_asb()
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ictxt,err_act)
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return
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end function
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function psb_c_is_matbld(a,desc_a,info) result(res)
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use psb_base_mod, psb_protect_name => psb_c_is_matbld
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use psi_mod
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implicit none
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logical :: res
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type(psb_cspmat_type), intent(in) :: a
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type(psb_desc_type), intent (in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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! locals
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integer(psb_ipk_) :: ictxt, np, me,&
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& err_act, iia, jja
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integer(psb_lpk_) :: m,n,ia,ja,localnnz
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character(len=20) :: name, ch_err
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!
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name='psb_cis_matbld'
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info=psb_success_
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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ictxt=desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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m = desc_a%get_global_rows()
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n = desc_a%get_global_cols()
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! Check for matrix correctness
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call psb_chkmat(m,n,ia,ja,desc_a,info,iia,jja)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_chkmat'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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res = a%is_bld()
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ictxt,err_act)
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return
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end function
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