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365 lines
13 KiB
Fortran
365 lines
13 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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! Moved here from AMG-AINV, original copyright below.
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!
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!
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! AMG-AINV: Approximate Inverse plugin for
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! AMG4PSBLAS version 1.0
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!
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! (C) Copyright 2020
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!
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! Salvatore Filippone University of Rome Tor Vergata
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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 AMG4PSBLAS 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 AMG4PSBLAS 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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!
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!
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!
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! AMG-AINV: Approximate Inverse plugin for
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! AMG4PSBLAS version 1.0
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!
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! (C) Copyright 2020
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!
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! Salvatore Filippone University of Rome Tor Vergata
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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 AMG4PSBLAS 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 AMG4PSBLAS 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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module psb_s_biconjg_mod
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interface psb_sparse_biconjg
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module procedure psb_ssparse_biconjg
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end interface
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abstract interface
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subroutine psb_ssparse_biconjg_variant(n,a,p,z,w,nzrmax,sp_thresh,info)
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use psb_base_mod, only : psb_s_csr_sparse_mat, psb_s_csc_sparse_mat, &
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& psb_spk_, psb_ipk_
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!
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implicit none
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integer(psb_ipk_), intent(in) :: n
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type(psb_s_csr_sparse_mat), intent(in) :: a
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type(psb_s_csc_sparse_mat), intent(inout) :: z,w
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integer(psb_ipk_), intent(in) :: nzrmax
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real(psb_spk_), intent(in) :: sp_thresh
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real(psb_spk_), intent(out) :: p(:)
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integer(psb_ipk_), intent(out) :: info
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end subroutine psb_ssparse_biconjg_variant
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end interface
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procedure(psb_ssparse_biconjg_variant) :: psb_ssparse_biconjg_llk,&
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& psb_ssparse_biconjg_s_llk, psb_ssparse_biconjg_s_ft_llk,&
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& psb_ssparse_biconjg_llk_noth, psb_ssparse_biconjg_mlk
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#if defined(HAVE_TUMA_SAINV)
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procedure(psb_ssparse_biconjg_variant) :: psb_ssparse_tuma_sainv,&
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& psb_ssparse_tuma_lainv
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#endif
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contains
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subroutine psb_ssparse_biconjg(alg,n,acsr,p,z,w,nzrmax,sp_thresh,info)
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use psb_base_mod
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use psb_base_ainv_mod
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integer(psb_ipk_), intent(in) :: alg,n
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type(psb_s_csr_sparse_mat), intent(in) :: acsr
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type(psb_sspmat_type), intent(out) :: z, w
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integer(psb_ipk_), intent(in) :: nzrmax
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real(psb_spk_), intent(in) :: sp_thresh
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real(psb_spk_), intent(out) :: p(:)
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integer(psb_ipk_), intent(out) :: info
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type(psb_s_csc_sparse_mat) :: zcsc,wcsc
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integer(psb_ipk_) :: i,j,k,nrm
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='psb_sparse_biconjg'
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integer(psb_ipk_), parameter :: variant=1
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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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if (size(p)<n) then
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write(psb_err_unit,*) 'Size of P wrong'
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info = psb_err_internal_error_
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call psb_errpush(psb_err_internal_error_,name,a_err='Allocate')
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goto 9999
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end if
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select case(alg)
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case (psb_ainv_llk_)
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call psb_ssparse_biconjg_llk(n,acsr,p,zcsc,wcsc,nzrmax,sp_thresh,info)
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case (psb_ainv_s_llk_)
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call psb_ssparse_biconjg_s_llk(n,acsr,p,zcsc,wcsc,nzrmax,sp_thresh,info)
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case (psb_ainv_mlk_)
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call psb_ssparse_biconjg_mlk(n,acsr,p,zcsc,wcsc,nzrmax,sp_thresh,info)
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case (psb_ainv_s_ft_llk_)
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call psb_ssparse_biconjg_s_ft_llk(n,acsr,p,zcsc,wcsc,nzrmax,sp_thresh,info)
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case (psb_ainv_llk_noth_)
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call psb_ssparse_biconjg_llk_noth(n,acsr,p,zcsc,wcsc,nzrmax,sp_thresh,info)
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!#if defined(HAVE_TUMA_SAINV)
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! case (psb_ainv_s_tuma_)
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! call psb_ssparse_tuma_sainv(n,acsr,p,zcsc,wcsc,nzrmax,sp_thresh,info)
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! case (psb_ainv_l_tuma_)
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! call psb_ssparse_tuma_lainv(n,acsr,p,zcsc,wcsc,nzrmax,sp_thresh,info)
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!#endif
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case default
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info = psb_err_internal_error_
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call psb_errpush(info,name,a_err='Invalid alg')
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goto 9999
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end select
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if (info /= 0) then
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info = psb_err_from_subroutine_
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call psb_errpush(info,name,a_err='sparse_orth')
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goto 9999
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end if
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call z%mv_from(zcsc)
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call z%cscnv(info,type='CSR')
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call w%mv_from(wcsc)
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call w%transp()
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call w%cscnv(info,type='CSR')
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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end subroutine psb_ssparse_biconjg
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subroutine psb_s_spmspv(alpha,a,nx,ix,vx,beta,ny,iy,vy, info)
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!
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! y = A x sparse-sparse mode, A in CSC
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!
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use psb_base_mod
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implicit none
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integer(psb_ipk_), intent(in) :: nx, ix(:)
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real(psb_spk_), intent(in) :: alpha, beta, vx(:)
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integer(psb_ipk_), intent(inout) :: ny, iy(:)
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real(psb_spk_), intent(inout) :: vy(:)
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type(psb_s_csc_sparse_mat), intent(in) :: a
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: i,j,k,m,n, nv, na, iszy
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integer(psb_ipk_), allocatable :: iv(:)
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real(psb_spk_), allocatable :: vv(:)
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info = 0
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! !$ write(0,*) 'd_spmspv ',alpha,beta
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if (beta == -sone) then
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do i=1, ny
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vy(i) = -vy(i)
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end do
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else if (beta == szero) then
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do i=1, ny
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vy(i) = szero
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end do
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else if (beta /= sone) then
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do i=1, ny
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vy(i) = vy(i) * beta
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end do
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end if
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if (alpha == szero) return
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iszy = min(size(iy),size(vy))
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m = a%get_nrows()
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n = a%get_ncols()
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if ((ny > m) .or. (nx > n)) then
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write(0,*) 'Wrong input spmspv rows: ',m,ny,&
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& ' cols: ',n,nx
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info = -4
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return
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end if
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allocate(iv(m), vv(m), stat=info)
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if (info /= 0) then
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write(0,*) 'Allocation error in spmspv'
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info = -999
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return
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endif
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do i = 1, nx
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j = ix(i)
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! Access column J of A
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k = a%icp(j)
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na = a%icp(j+1) - a%icp(j)
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call psb_nspaxpby(nv,iv,vv,&
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& (alpha*vx(i)), na, a%ia(k:k+na-1), a%val(k:k+na-1),&
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& sone, ny, iy, vy, info)
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if (info /= 0) then
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write(0,*) 'Internal error in spmspv from nspaxpby'
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info = -998
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return
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endif
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if (nv > iszy) then
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write(0,*) 'Error in spmspv: out of memory for output'
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info = -997
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return
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endif
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ny = nv
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iy(1:ny) = iv(1:ny)
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vy(1:ny) = vv(1:ny)
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end do
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end subroutine psb_s_spmspv
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subroutine psb_s_spvspm(alpha,a,nx,ix,vx,beta,ny,iy,vy, info)
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!
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! y = x A sparse-sparse mode, A in CSR
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!
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use psb_base_mod
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implicit none
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integer(psb_ipk_), intent(in) :: nx, ix(:)
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real(psb_spk_), intent(in) :: alpha, beta, vx(:)
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integer(psb_ipk_), intent(inout) :: ny, iy(:)
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real(psb_spk_), intent(inout) :: vy(:)
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type(psb_s_csr_sparse_mat), intent(in) :: a
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: i,j,k,m,n, nv, na, iszy
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integer(psb_ipk_), allocatable :: iv(:)
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real(psb_spk_), allocatable :: vv(:)
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info = 0
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! !$ write(0,*) 'd_spvspm ',alpha,beta
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if (beta == -sone) then
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do i=1, ny
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vy(i) = -vy(i)
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end do
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else if (beta == szero) then
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do i=1, ny
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vy(i) = szero
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end do
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else if (beta /= sone) then
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do i=1, ny
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vy(i) = vy(i) * beta
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end do
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end if
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if (alpha == szero) return
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iszy = min(size(iy),size(vy))
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m = a%get_nrows()
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n = a%get_ncols()
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if ((ny > m) .or. (nx > n)) then
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write(0,*) 'Wrong input spmspv rows: ',m,ny,&
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& ' cols: ',n,nx
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info = -4
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return
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end if
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allocate(iv(m), vv(m), stat=info)
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if (info /= 0) then
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write(0,*) 'Allocation error in spmspv'
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info = -999
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return
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endif
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do i = 1, nx
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j = ix(i)
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! Access column J of A
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k = a%irp(j)
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na = a%irp(j+1) - a%irp(j)
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call psb_nspaxpby(nv,iv,vv,&
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& (alpha*vx(i)), na, a%ja(k:k+na-1), a%val(k:k+na-1),&
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& sone, ny, iy, vy, info)
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if (info /= 0) then
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write(0,*) 'Internal error in spmspv from nspaxpby'
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info = -998
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return
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endif
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if (nv > iszy) then
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write(0,*) 'Error in spmspv: out of memory for output'
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info = -997
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return
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endif
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ny = nv
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iy(1:ny) = iv(1:ny)
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vy(1:ny) = vv(1:ny)
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end do
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end subroutine psb_s_spvspm
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end module psb_s_biconjg_mod
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