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74 lines
3.0 KiB
Fortran
74 lines
3.0 KiB
Fortran
1 year ago
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! Parallel Sparse BLAS GPU plugin
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! (C) Copyright 2013
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!
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! Salvatore Filippone
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! Alessandro Fanfarillo
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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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subroutine psi_s_convert_dia_from_coo(a,tmp,info)
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use psb_base_mod
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use psb_s_dia_mat_mod, psb_protect_name => psi_s_convert_dia_from_coo
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use psi_ext_util_mod
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implicit none
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class(psb_s_dia_sparse_mat), intent(inout) :: a
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class(psb_s_coo_sparse_mat), intent(in) :: tmp
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integer(psb_ipk_), intent(out) :: info
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!locals
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integer(psb_ipk_) :: ndiag,nd
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integer(psb_ipk_),allocatable :: d(:)
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integer(psb_ipk_) :: k,i,j,nc,nr,nza,ir,ic
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info = psb_success_
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nr = tmp%get_nrows()
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nc = tmp%get_ncols()
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nza = tmp%get_nzeros()
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! If it is sorted then we can lessen memory impact
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a%psb_s_base_sparse_mat = tmp%psb_s_base_sparse_mat
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ndiag = nr+nc-1
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allocate(d(ndiag),stat=info)
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if (info /= 0) return
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call psb_realloc(ndiag,a%offset,info)
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if (info /= 0) return
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call psi_dia_offset_from_coo(nr,nc,nza,tmp%ia,tmp%ja, &
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& nd,d,a%offset,info,initd=.true.,cleard=.false.)
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call psb_realloc(nd,a%offset,info)
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if (info /= 0) return
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call psb_realloc(nr,nd,a%data,info)
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if (info /= 0) return
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a%nzeros = nza
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call psi_xtr_dia_from_coo(nr,nc,nza,tmp%ia,tmp%ja,tmp%val,&
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& d,nr,nd,a%data,info,initdata=.true.)
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deallocate(d,stat=info)
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if (info /= 0) return
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end subroutine psi_s_convert_dia_from_coo
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