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118 lines
3.6 KiB
Fortran
118 lines
3.6 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_dspspmm.f90
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! Subroutine:
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! Arguments:
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!
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!
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!
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subroutine psb_dspspmm(a,b,c,info)
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use psb_base_mod, psb_protect_name => psb_dspspmm
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implicit none
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type(psb_dspmat_type), intent(in) :: a,b
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type(psb_dspmat_type), intent(out) :: c
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integer(psb_ipk_), intent(out) :: info
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type(psb_d_csr_sparse_mat), allocatable :: ccsr
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type(psb_d_csc_sparse_mat), allocatable :: ccsc
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integer(psb_ipk_) :: err_act
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character(len=*), parameter :: name='psb_spspmm'
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logical :: done_spmm
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call psb_erractionsave(err_act)
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info = psb_success_
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if ((a%is_null()) .or.(b%is_null())) then
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info = psb_err_invalid_mat_state_
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call psb_errpush(info,name)
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goto 9999
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endif
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!
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! Shortcuts for special cases
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!
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done_spmm = .false.
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select type(aa=>a%a)
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class is (psb_d_csr_sparse_mat)
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select type(ba=>b%a)
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class is (psb_d_csr_sparse_mat)
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allocate(ccsr,stat=info)
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if (info == psb_success_) then
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call psb_dcsrspspmm(aa,ba,ccsr,info)
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else
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info = psb_err_alloc_dealloc_
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end if
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if (info == psb_success_) call move_alloc(ccsr,c%a)
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done_spmm = .true.
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end select
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class is (psb_d_csc_sparse_mat)
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select type(ba=>b%a)
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class is (psb_d_csc_sparse_mat)
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allocate(ccsc,stat=info)
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if (info == psb_success_) then
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call psb_dcscspspmm(aa,ba,ccsc,info)
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else
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info = psb_err_alloc_dealloc_
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end if
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if (info == psb_success_) call move_alloc(ccsc,c%a)
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done_spmm = .true.
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end select
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end select
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!
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! General code
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!
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if (.not.done_spmm) then
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call psb_symbmm(a,b,c,info)
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if (info == psb_success_) call psb_numbmm(a,b,c)
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end if
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if (info /= psb_success_) then
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call psb_errpush(info,name)
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goto 9999
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end if
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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_dspspmm
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