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234 lines
7.0 KiB
Fortran
234 lines
7.0 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 psb_d_hll_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info)
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use psb_base_mod
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use psb_d_hll_mat_mod, psb_protect_name => psb_d_hll_csput_a
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implicit none
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class(psb_d_hll_sparse_mat), intent(inout) :: a
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real(psb_dpk_), intent(in) :: val(:)
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integer(psb_ipk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
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integer(psb_ipk_), intent(out) :: info
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Integer(Psb_ipk_) :: err_act
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character(len=20) :: name='d_hll_csput_a'
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logical, parameter :: debug=.false.
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integer(psb_ipk_) :: nza, i,j,k, nzl, isza, int_err(5)
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call psb_erractionsave(err_act)
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info = psb_success_
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if (nz <= 0) then
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info = psb_err_iarg_neg_
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int_err(1)=1
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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if (size(ia) < nz) then
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info = psb_err_input_asize_invalid_i_
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int_err(1)=2
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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if (size(ja) < nz) then
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info = psb_err_input_asize_invalid_i_
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int_err(1)=3
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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if (size(val) < nz) then
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info = psb_err_input_asize_invalid_i_
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int_err(1)=4
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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if (nz == 0) return
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nza = a%get_nzeros()
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if (a%is_bld()) then
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! Build phase should only ever be in COO
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info = psb_err_invalid_mat_state_
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else if (a%is_upd()) then
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if (a%is_dev()) call a%sync()
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call psb_d_hll_srch_upd(nz,ia,ja,val,a,&
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& imin,imax,jmin,jmax,info)
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if (info /= psb_success_) then
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info = psb_err_invalid_mat_state_
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end if
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call a%set_host()
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else
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! State is wrong.
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info = psb_err_invalid_mat_state_
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end if
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if (info /= psb_success_) then
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call psb_errpush(info,name)
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goto 9999
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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 call psb_error_handler(err_act)
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return
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contains
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subroutine psb_d_hll_srch_upd(nz,ia,ja,val,a,&
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& imin,imax,jmin,jmax,info)
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implicit none
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class(psb_d_hll_sparse_mat), intent(inout) :: a
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integer(psb_ipk_), intent(in) :: nz, imin,imax,jmin,jmax
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integer(psb_ipk_), intent(in) :: ia(:),ja(:)
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real(psb_dpk_), intent(in) :: val(:)
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: i,ir,ic, ip, i1,i2,nr,nc,nnz,dupl,ng,&
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& hksz, hk, hkzpnt, ihkr, mxrwl, lastrow
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integer(psb_ipk_) :: debug_level, debug_unit
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character(len=20) :: name='d_hll_srch_upd'
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info = psb_success_
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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dupl = a%get_dupl()
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if (.not.a%is_sorted()) then
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info = -4
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return
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end if
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lastrow = -1
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nnz = a%get_nzeros()
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nr = a%get_nrows()
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nc = a%get_ncols()
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hksz = a%get_hksz()
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select case(dupl)
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case(psb_dupl_ovwrt_,psb_dupl_err_)
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! Overwrite.
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! Cannot test for error, should have been caught earlier.
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do i=1, nz
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ir = ia(i)
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ic = ja(i)
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if ((ir > 0).and.(ir <= nr)) then
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if (ir /= lastrow) then
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hk = ((ir-1)/hksz)
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lastrow = ir
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ihkr = ir - hk*hksz
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hk = hk + 1
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hkzpnt = a%hkoffs(hk)
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mxrwl = (a%hkoffs(hk+1) - a%hkoffs(hk))/hksz
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nc = a%irn(ir)
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end if
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ip = psb_bsrch(ic,nc,a%ja(hkzpnt+ihkr:hkzpnt+ihkr+(nc-1)*hksz:hksz))
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if (ip>0) then
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a%val(hkzpnt+ihkr+(ip-1)*hksz) = val(i)
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else
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if (debug_level >= psb_debug_serial_) &
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& write(debug_unit,*) trim(name),&
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& ': Was searching ',ic,' in: ',nc,&
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& ' : ',a%ja(hkzpnt+ir:hkzpnt+ir+(nc-1)*hksz:hksz)
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info = i
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return
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end if
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else
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if (debug_level >= psb_debug_serial_) &
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& write(debug_unit,*) trim(name),&
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& ': Discarding row that does not belong to us.'
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end if
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end do
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case(psb_dupl_add_)
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! Add
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do i=1, nz
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ir = ia(i)
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ic = ja(i)
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if ((ir > 0).and.(ir <= nr)) then
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if (ir /= lastrow) then
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hk = ((ir-1)/hksz)
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lastrow = ir
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ihkr = ir - hk*hksz
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hk = hk + 1
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hkzpnt = a%hkoffs(hk)
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mxrwl = (a%hkoffs(hk+1) - a%hkoffs(hk))/hksz
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nc = a%irn(ir)
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end if
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ip = psb_bsrch(ic,nc,a%ja(hkzpnt+ihkr:hkzpnt+ihkr+(nc-1)*hksz:hksz))
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if (ip>0) then
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a%val(hkzpnt+ihkr+(ip-1)*hksz) = val(i)
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else
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if (debug_level >= psb_debug_serial_) &
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& write(debug_unit,*) trim(name),&
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& ': Was searching ',ic,' in: ',nc,&
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& ' : ',a%ja(hkzpnt+ir:hkzpnt+ir+(nc-1)*hksz:hksz)
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info = i
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return
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end if
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else
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if (debug_level >= psb_debug_serial_) &
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& write(debug_unit,*) trim(name),&
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& ': Discarding row that does not belong to us.'
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end if
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end do
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case default
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info = -3
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if (debug_level >= psb_debug_serial_) &
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& write(debug_unit,*) trim(name),&
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& ': Duplicate handling: ',dupl
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end select
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end subroutine psb_d_hll_srch_upd
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end subroutine psb_d_hll_csput_a
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