! 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_c_dia_csgetptn(imin,imax,a,nz,ia,ja,info,& & jmin,jmax,iren,append,nzin,rscale,cscale) use psb_base_mod use psb_c_dia_mat_mod, psb_protect_name => psb_c_dia_csgetptn implicit none class(psb_c_dia_sparse_mat), intent(in) :: a integer(psb_ipk_), intent(in) :: imin,imax integer(psb_ipk_), intent(out) :: nz integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:) integer(psb_ipk_),intent(out) :: info logical, intent(in), optional :: append integer(psb_ipk_), intent(in), optional :: iren(:) integer(psb_ipk_), intent(in), optional :: jmin,jmax, nzin logical, intent(in), optional :: rscale,cscale logical :: append_, rscale_, cscale_ integer(psb_ipk_) :: nzin_, jmin_, jmax_, err_act, i character(len=20) :: name='dia_getptn' logical, parameter :: debug=.false. call psb_erractionsave(err_act) info = psb_success_ if (present(jmin)) then jmin_ = jmin else jmin_ = 1 endif if (present(jmax)) then jmax_ = jmax else jmax_ = a%get_ncols() endif if ((imax<imin).or.(jmax_<jmin_)) then nz = 0 return end if if (present(append)) then append_=append else append_=.false. endif if ((append_).and.(present(nzin))) then nzin_ = nzin else nzin_ = 0 endif if (present(rscale)) then rscale_ = rscale else rscale_ = .false. endif if (present(cscale)) then cscale_ = cscale else cscale_ = .false. endif if ((rscale_.or.cscale_).and.(present(iren))) then info = psb_err_many_optional_arg_ call psb_errpush(info,name,a_err='iren (rscale.or.cscale)') goto 9999 end if if (a%is_dev()) call a%sync() call dia_getptn(imin,imax,jmin_,jmax_,a,nz,ia,ja,nzin_,append_,info,iren) if (info /= psb_success_) goto 9999 if (rscale_) then do i=nzin_+1, nzin_+nz ia(i) = ia(i) - imin + 1 end do end if if (cscale_) then do i=nzin_+1, nzin_+nz ja(i) = ja(i) - jmin_ + 1 end do end if call psb_erractionrestore(err_act) return 9999 call psb_error_handler(err_act) return contains subroutine dia_getptn(imin,imax,jmin,jmax,a,nz,ia,ja,nzin,append,info,& & iren) implicit none class(psb_c_dia_sparse_mat), intent(in) :: a integer(psb_ipk_) :: imin,imax,jmin,jmax integer(psb_ipk_), intent(out) :: nz integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:) integer(psb_ipk_), intent(in) :: nzin logical, intent(in) :: append integer(psb_ipk_) :: info integer(psb_ipk_), optional :: iren(:) integer(psb_ipk_) :: nzin_, nza, idx,i,j,k, nzt, irw, lrw,& & ir, jc, m4, ir1, ir2, nzc, nr, nc integer(psb_ipk_) :: debug_level, debug_unit character(len=20) :: name='dia_getptn' debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() nza = a%get_nzeros() irw = imin lrw = min(imax,a%get_nrows()) if (irw<0) then info = psb_err_pivot_too_small_ return end if if (append) then nzin_ = nzin else nzin_ = 0 endif nz = 0 nr = size(a%data,1) nc = size(a%data,2) do j=1,nc jc = a%offset(j) if (jc > 0) then ir1 = 1 ir2 = nr - jc else ir1 = 1 - jc ir2 = nr end if ir1 = max(irw,ir1) ir1 = max(ir1,jmin-jc) ir2 = min(lrw,ir2) ir2 = min(ir2,jmax-jc) nzc = ir2-ir1+1 if (nzc>0) then call psb_ensure_size(nzin_+nzc,ia,info) if (info == 0) call psb_ensure_size(nzin_+nzc,ja,info) do i=ir1, ir2 nzin_ = nzin_ + 1 nz = nz + 1 ia(nzin_) = i ja(nzin_) = i+jc enddo end if enddo end subroutine dia_getptn end subroutine psb_c_dia_csgetptn