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psblas3/rsb/impl/psb_d_cp_rsb_to_coo.f90

78 lines
2.7 KiB
Fortran

! Parallel Sparse BLAS GPU plugin
! (C) Copyright 2013
!
! Salvatore Filippone
! Alessandro Fanfarillo
!
! 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.
!
subroutine psb_d_cp_rsb_to_coo(a,b,info)
use psb_base_mod
use rsb
use psb_d_rsb_mat_mod, psb_protect_name => psb_d_cp_rsb_to_coo
implicit none
class(psb_d_rsb_sparse_mat), intent(in) :: a
class(psb_d_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_), pointer :: val_point(:)
type(c_ptr) :: t_p,s_p
!locals
integer(psb_ipk_) :: i, j, k,nr,nza,nc
info = psb_success_
nr = a%get_nrows()
nc = a%get_ncols()
nza = a%get_nzeros()
call b%allocate(nr,nc,nza)
b%psb_d_base_sparse_mat = a%psb_d_base_sparse_mat
allocate(val_point(nza))
t_p = c_loc(val_point(1))
info = rsb_mtx_get_coo(a%rsbMat, t_p, b%ia, b%ja,RSB_FLAG_FORTRAN_INDICES_INTERFACE)
!info = rsb_mtx_switch_to_coo(a%rsbMat,t_p,b%ia,b%ja,RSB_FLAG_FORTRAN_INDICES_INTERFACE)
k = rsb_perror(s_p,info)
do i=1,nza
b%val(i)=val_point(i)
enddo
deallocate(val_point)
call b%set_nzeros(nza)
call b%fix(info)
end subroutine psb_d_cp_rsb_to_coo