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64 lines
2.6 KiB
Fortran
64 lines
2.6 KiB
Fortran
! 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_xtr_ell_from_coo(i,nr,mxrwl,iac,jac,valc, &
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& ja,val,irn,diag,ld)
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use psb_base_mod, only : psb_ipk_, psb_success_, psb_spk_, szero
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implicit none
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integer(psb_ipk_) :: i,nr,mxrwl,ld
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integer(psb_ipk_) :: iac(*),jac(*),ja(ld,*),irn(*),diag(*)
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real(psb_spk_) :: valc(*), val(ld,*)
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integer(psb_ipk_) :: ii,jj,kk, kc,nc, ir, ic
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kc = 1
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do ii = 1, nr
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nc = irn(ii)
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do jj=1,nc
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!if (iac(kc) /= i+ii-1) write(0,*) 'Copy mismatch',iac(kc),i,ii,i+ii-1
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ir = iac(kc)
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ic = jac(kc)
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if (ir == ic) diag(ii) = jj
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ja(ii,jj) = ic
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val(ii,jj) = valc(kc)
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kc = kc + 1
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end do
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! We are assuming that jac contains at least one valid entry
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! If the previous loop did not have any entries, pick one valid
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! value.
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if (nc == 0) ic = jac(1)
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do jj = nc+1,mxrwl
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ja(ii,jj) = ic
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val(ii,jj) = szero
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end do
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end do
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end subroutine psi_s_xtr_ell_from_coo
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