Moving files from PSBLAS2 to MLD2P4.
Salvatore Filippone
18 years ago
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!!$
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!!$
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!!$ MD2P4
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!!$ Multilevel Domain Decomposition Parallel Preconditioner Package for PSBLAS
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!!$ for
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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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!!$ Daniela di Serafino Second University of Naples
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!!$ Pasqua D'Ambra ICAR-CNR
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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 MD2P4 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 MD2P4 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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subroutine psb_zumf_bld(a,desc_a,p,info)
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use psb_base_mod
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use psb_prec_type
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implicit none
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type(psb_zspmat_type), intent(inout) :: a
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type(psb_desc_type), intent(in) :: desc_a
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type(psb_zbaseprc_type), intent(inout) :: p
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integer, intent(out) :: info
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type(psb_zspmat_type) :: blck, atmp
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character(len=5) :: fmt
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character :: upd='F'
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integer :: i,j,nza,nzb,nzt,ictxt, me,np,err_act
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integer :: i_err(5)
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logical, parameter :: debug=.false.
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character(len=20) :: name, ch_err
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interface psb_asmatbld
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Subroutine psb_zasmatbld(ptype,novr,a,blk,desc_data,upd,desc_p,info,outfmt)
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use psb_base_mod
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use psb_prec_type
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integer, intent(in) :: ptype,novr
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Type(psb_zspmat_type), Intent(in) :: a
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Type(psb_zspmat_type), Intent(inout) :: blk
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Type(psb_desc_type), Intent(inout) :: desc_p
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Type(psb_desc_type), Intent(in) :: desc_data
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Character, Intent(in) :: upd
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integer, intent(out) :: info
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character(len=5), optional :: outfmt
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end Subroutine psb_zasmatbld
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end interface
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info=0
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name='psb_umf_bld'
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call psb_erractionsave(err_act)
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ictxt = desc_A%matrix_data(psb_ctxt_)
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call psb_info(ictxt, me, np)
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fmt = 'COO'
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call psb_nullify_sp(blck)
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call psb_nullify_sp(atmp)
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atmp%fida='COO'
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if (Debug) then
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write(0,*) me, 'UMFBLD: Calling csdp'
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call psb_barrier(ictxt)
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endif
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call psb_zcsdp(a,atmp,info)
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if(info /= 0) then
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info=4010
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ch_err='psb_zcsdp'
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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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nza = psb_sp_get_nnzeros(atmp)
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nzb = psb_sp_get_nnzeros(a)
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if (Debug) then
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write(0,*) me, 'UMFBLD: Done csdp',info,nza,atmp%m,atmp%k,nzb
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call psb_barrier(ictxt)
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endif
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call psb_asmatbld(p%iprcparm(p_type_),p%iprcparm(n_ovr_),a,&
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& blck,desc_a,upd,p%desc_data,info,outfmt=fmt)
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if(info /= 0) then
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info=4010
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ch_err='psb_asmatbld'
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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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nzb = psb_sp_get_nnzeros(blck)
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if (Debug) then
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write(0,*) me, 'UMFBLD: Done asmatbld',info,nzb,blck%fida
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call psb_barrier(ictxt)
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endif
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if (nzb > 0 ) then
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if (size(atmp%aspk)<nza+nzb) then
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call psb_sp_reall(atmp,nza+nzb,info)
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if(info /= 0) then
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info=4010
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ch_err='psb_sp_reall'
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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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endif
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if (Debug) then
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write(0,*) me, 'UMFBLD: Done realloc',info,nza+nzb,atmp%fida
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call psb_barrier(ictxt)
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endif
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do j=1,nzb
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atmp%aspk(nza+j) = blck%aspk(j)
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atmp%ia1(nza+j) = blck%ia1(j)
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atmp%ia2(nza+j) = blck%ia2(j)
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end do
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atmp%infoa(psb_nnz_) = nza+nzb
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atmp%m = atmp%m + blck%m
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atmp%k = max(a%k,blck%k)
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else
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atmp%infoa(psb_nnz_) = nza
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atmp%m = a%m
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atmp%k = a%k
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endif
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i=0
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do j=1, atmp%infoa(psb_nnz_)
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if (atmp%ia2(j) <= atmp%m) then
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i = i + 1
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atmp%aspk(i) = atmp%aspk(j)
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atmp%ia1(i) = atmp%ia1(j)
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atmp%ia2(i) = atmp%ia2(j)
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endif
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enddo
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atmp%infoa(psb_nnz_) = i
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call psb_ipcoo2csc(atmp,info)
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if(info /= 0) then
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info=4010
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ch_err='psb_ipcoo2csc'
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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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nzt = psb_sp_get_nnzeros(atmp)
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if (Debug) then
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write(0,*) me,'Calling psb_umf_factor ',nzt,atmp%m,&
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& atmp%k,p%desc_data%matrix_data(psb_n_row_)
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open(80+me)
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call psb_csprt(80+me,atmp)
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close(80+me)
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call psb_barrier(ictxt)
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endif
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call psb_zumf_factor(atmp%m,nzt,&
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& atmp%aspk,atmp%ia1,atmp%ia2,&
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& p%iprcparm(umf_symptr_),p%iprcparm(umf_numptr_),info)
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if (info /= 0) then
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i_err(1) = info
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info=4110
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ch_err='psb_umf_fact'
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call psb_errpush(info,name,a_err=ch_err,i_err=i_err)
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goto 9999
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end if
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if (Debug) then
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write(0,*) me, 'UMFBLD: Done umf_Factor',info,p%iprcparm(umf_numptr_)
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call psb_barrier(ictxt)
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endif
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call psb_sp_free(blck,info)
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call psb_sp_free(atmp,info)
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if(info /= 0) then
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info=4010
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ch_err='psb_sp_free'
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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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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_zumf_bld
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