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206 lines
6.2 KiB
Fortran
206 lines
6.2 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 psb_c_ell_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
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& jmin,jmax,iren,append,nzin,rscale,cscale,chksz)
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use psb_base_mod
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use psb_c_ell_mat_mod, psb_protect_name => psb_c_ell_csgetrow
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implicit none
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class(psb_c_ell_sparse_mat), intent(in) :: a
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integer(psb_ipk_), intent(in) :: imin,imax
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integer(psb_ipk_), intent(out) :: nz
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integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
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complex(psb_spk_), allocatable, intent(inout) :: val(:)
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integer(psb_ipk_),intent(out) :: info
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logical, intent(in), optional :: append
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integer(psb_ipk_), intent(in), optional :: iren(:)
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integer(psb_ipk_), intent(in), optional :: jmin,jmax, nzin
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logical, intent(in), optional :: rscale,cscale,chksz
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logical :: append_, rscale_, cscale_, chksz_
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integer(psb_ipk_) :: nzin_, jmin_, jmax_, err_act, i
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character(len=20) :: name='ell_getrow'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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info = psb_success_
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if (present(jmin)) then
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jmin_ = jmin
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else
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jmin_ = 1
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endif
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if (present(jmax)) then
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jmax_ = jmax
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else
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jmax_ = a%get_ncols()
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endif
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if ((imax<imin).or.(jmax_<jmin_)) then
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nz = 0
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return
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end if
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if (present(append)) then
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append_=append
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else
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append_=.false.
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endif
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if ((append_).and.(present(nzin))) then
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nzin_ = nzin
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else
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nzin_ = 0
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endif
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if (present(rscale)) then
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rscale_ = rscale
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else
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rscale_ = .false.
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endif
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if (present(cscale)) then
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cscale_ = cscale
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else
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cscale_ = .false.
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endif
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if ((rscale_.or.cscale_).and.(present(iren))) then
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info = psb_err_many_optional_arg_
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call psb_errpush(info,name,a_err='iren (rscale.or.cscale)')
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goto 9999
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end if
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if (present(chksz)) then
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chksz_ = chksz
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else
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chksz_ = .true.
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endif
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if (a%is_dev()) call a%sync()
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call ell_getrow(imin,imax,jmin_,jmax_,a,nz,ia,ja,val,nzin_,&
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& append_,chksz_,info,iren)
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if (rscale_) then
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do i=nzin_+1, nzin_+nz
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ia(i) = ia(i) - imin + 1
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end do
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end if
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if (cscale_) then
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do i=nzin_+1, nzin_+nz
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ja(i) = ja(i) - jmin_ + 1
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end do
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end if
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if (info /= psb_success_) goto 9999
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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contains
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subroutine ell_getrow(imin,imax,jmin,jmax,a,nz,ia,ja,val,nzin,append,chksz,info,&
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& iren)
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implicit none
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class(psb_c_ell_sparse_mat), intent(in) :: a
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integer(psb_ipk_) :: imin,imax,jmin,jmax
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integer(psb_ipk_), intent(out) :: nz
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integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
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complex(psb_spk_), allocatable, intent(inout) :: val(:)
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integer(psb_ipk_), intent(in) :: nzin
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logical, intent(in) :: append,chksz
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integer(psb_ipk_) :: info
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integer(psb_ipk_), optional :: iren(:)
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integer(psb_ipk_) :: nzin_, nza, idx,i,j,k, nzt, irw, lrw
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integer(psb_ipk_) :: debug_level, debug_unit
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character(len=20) :: name='coo_getrow'
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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info = psb_success_
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nza = a%get_nzeros()
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irw = imin
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lrw = min(imax,a%get_nrows())
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if (irw<0) then
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info = psb_err_pivot_too_small_
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return
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end if
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if (append) then
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nzin_ = nzin
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else
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nzin_ = 0
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endif
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nzt = sum(a%irn(irw:lrw))
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nz = 0
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if (chksz) then
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call psb_ensure_size(nzin_+nzt,ia,info)
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if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
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if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info)
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end if
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if (info /= psb_success_) return
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if (present(iren)) then
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do i=irw, lrw
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do j=1,a%irn(i)
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if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
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nzin_ = nzin_ + 1
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nz = nz + 1
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val(nzin_) = a%val(i,j)
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ia(nzin_) = iren(i)
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ja(nzin_) = iren(a%ja(i,j))
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end if
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enddo
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end do
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else
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do i=irw, lrw
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do j=1,a%irn(i)
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if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
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nzin_ = nzin_ + 1
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nz = nz + 1
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val(nzin_) = a%val(i,j)
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ia(nzin_) = (i)
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ja(nzin_) = (a%ja(i,j))
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end if
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enddo
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end do
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end if
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end subroutine ell_getrow
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end subroutine psb_c_ell_csgetrow
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