You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
psblas3/base/serial/psb_dspspmm.f90

118 lines
3.6 KiB
Fortran

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