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126 lines
4.2 KiB
Fortran
126 lines
4.2 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS v2.0
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!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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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_dspgtdiag.f90
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! Subroutine:
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! Parameters:
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!*****************************************************************************
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!* *
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!* Takes a specified row from matrix A and copies into matrix B (possibly *
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!* appending to B). Output is always COO. Input might be anything, once *
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!* we get to actually write the code..... *
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!* *
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!*****************************************************************************
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subroutine psb_dspgtdiag(a,d,info)
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! Output is always in COO format into B, irrespective of
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! the input format
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use psb_spmat_type
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use psb_error_mod
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use psb_const_mod
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use psb_serial_mod, only : psb_sp_getblk
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implicit none
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type(psb_dspmat_type), intent(in) :: a
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real(kind(1.d0)), intent(inout) :: d(:)
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integer, intent(out) :: info
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type(psb_dspmat_type) :: tmpa
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integer :: i,j,k,nr, nz, err_act, ii, rng, irb, nrb
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character(len=20) :: name, ch_err
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name='psb_dspgtdiag'
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info = 0
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call psb_erractionsave(err_act)
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if (size(d) < min(a%k,a%m)) then
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write(0,*) 'Insufficient space in DSPGTDIAG ', size(d),min(a%m,a%k)
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end if
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d(:) = 0.d0
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if (a%fida == 'CSR') then
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do i=1, min(a%m,a%k)
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do j=a%ia2(i),a%ia2(i+1)-1
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if (a%ia1(j) == i) then
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d(i) = a%aspk(j)
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end if
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end do
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end do
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else if (a%fida == 'COO') then
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do i=1,a%infoa(psb_nnz_)
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j=a%ia1(i)
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if ((j==a%ia2(i)).and.(j <= min(a%k,a%m)) .and.(j>0)) then
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d(j) = a%aspk(i)
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endif
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enddo
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else if (a%fida == 'JAD') then
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rng=min(a%m,a%k)
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nrb=16
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write(0,*)'in spgtdiag'
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do i=1, rng, nrb
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irb=min(i+nrb-1,rng)
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call psb_sp_getblk(i,a,tmpa,info,lrw=irb)
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if(info.ne.0) then
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info=4010
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ch_err='psb_sp_getblk'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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do ii=1,tmpa%infoa(psb_nnz_)
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j=tmpa%ia1(ii)
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if ((j==tmpa%ia2(ii)).and.(j <= rng) .and.(j>0)) then
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d(j) = tmpa%aspk(ii)
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endif
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enddo
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end do
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write(0,*)'leaving spgtdiag'
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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 continue
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call psb_erractionrestore(err_act)
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if (err_act.eq.act_abort) then
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call psb_error()
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return
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end if
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return
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end subroutine psb_dspgtdiag
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