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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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!*****************************************************************************
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!* *
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!* This is where the action takes place. *
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!* ASMATBLD does the setup: building the prec descriptor plus retrieving *
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!* matrix rows if needed *
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!* *
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!* *
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!* *
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!* *
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!* some open code does the renumbering *
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!* *
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!* *
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!* *
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!* *
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!*****************************************************************************
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subroutine mld_zbjac_bld(a,desc_a,p,upd,info)
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use psb_base_mod
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use mld_prec_mod, mld_protect_name => mld_zbjac_bld
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implicit none
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!
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! .. Scalar Arguments ..
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integer, intent(out) :: info
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! .. array Arguments ..
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type(psb_zspmat_type), intent(in), target :: a
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type(mld_zbaseprc_type), intent(inout) :: p
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type(psb_desc_type), intent(in) :: desc_a
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character, intent(in) :: upd
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! .. Local Scalars ..
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integer :: i, j, jj, k, kk, m
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integer :: int_err(5)
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character :: trans, unitd
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type(psb_zspmat_type) :: blck, atmp
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real(kind(1.d0)) :: t1,t2,t3,t4,t5,t6, t7, t8
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logical, parameter :: debugprt=.false., debug=.false., aggr_dump=.false.
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integer nztota, nztotb, nztmp, nzl, nnr, ir, err_act,&
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& n_row, nrow_a,n_col, nhalo, ind, iind
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integer :: ictxt,np,me
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character(len=20) :: name, ch_err
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character(len=5), parameter :: coofmt='COO', csrfmt='CSR'
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if(psb_get_errstatus().ne.0) return
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info=0
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name='mld_zbjac_bld'
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call psb_erractionsave(err_act)
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ictxt=psb_cd_get_context(desc_a)
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call psb_info(ictxt, me, np)
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m = a%m
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if (m < 0) then
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info = 10
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int_err(1) = 1
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int_err(2) = m
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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endif
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trans = 'N'
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unitd = 'U'
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if (p%iprcparm(n_ovr_) < 0) then
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info = 11
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int_err(1) = 1
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int_err(2) = p%iprcparm(n_ovr_)
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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endif
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call psb_nullify_sp(blck)
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call psb_nullify_sp(atmp)
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t1= psb_wtime()
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if(debug) write(0,*)me,': calling mld_asmat_bld',&
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& p%iprcparm(prec_type_),p%iprcparm(n_ovr_)
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if (debug) call psb_barrier(ictxt)
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call mld_asmat_bld(p%iprcparm(prec_type_),p%iprcparm(n_ovr_),a,&
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& blck,desc_a,upd,p%desc_data,info,outfmt=csrfmt)
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if (debugprt) then
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open(60+me)
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call psb_csprt(60+me,a,head='% A')
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close(60+me)
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open(70+me)
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call psb_csprt(70+me,blck,head='% BLCK')
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close(70+me)
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endif
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if(info/=0) then
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call psb_errpush(4010,name,a_err='mld_asmat_bld')
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goto 9999
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end if
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t2= psb_wtime()
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if (debug) write(0,*)me,': out of mld_asmat_bld'
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if (debug) call psb_barrier(ictxt)
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select case(p%iprcparm(sub_ren_))
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case (1:)
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!
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! Here we allocate a full copy to hold local A and received BLK
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! Done inside sp_renum.
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!
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call mld_sp_renum(a,desc_a,blck,p,atmp,info)
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if (info/=0) then
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call psb_errpush(4010,name,a_err='mld_sp_renum')
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goto 9999
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end if
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!------------------------------------------------------------------
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! Split AC=M+N N off-diagonal part
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! Output in COO format.
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call psb_sp_clip(atmp,p%av(ap_nd_),info,&
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& jmin=atmp%m+1,rscale=.false.,cscale=.false.)
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call psb_spcnv(p%av(ap_nd_),info,afmt='csr',dupl=psb_dupl_add_)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='psb_spcnv csr 1')
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goto 9999
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end if
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k = psb_sp_get_nnzeros(p%av(ap_nd_))
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call psb_sum(ictxt,k)
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if (k == 0) then
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! If the off diagonal part is emtpy, there's no point
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! in doing multiple Jacobi sweeps. This is certain
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! to happen when running on a single processor.
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p%iprcparm(smooth_sweeps_) = 1
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end if
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t3 = psb_wtime()
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if (debugprt) then
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call psb_barrier(ictxt)
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open(40+me)
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call psb_csprt(40+me,atmp,head='% Local matrix')
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close(40+me)
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endif
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if (debug) write(0,*) me,' Factoring rows ',&
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&atmp%m,a%m,blck%m,atmp%ia2(atmp%m+1)-1
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select case(p%iprcparm(sub_solve_))
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case(ilu_n_,ilu_t_)
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call psb_spcnv(atmp,info,afmt='csr',dupl=psb_dupl_add_)
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if (info /= 0) then
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call psb_errpush(4010,name,a_err='psb_spcnv csr 2')
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|
goto 9999
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end if
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|
call mld_ilu_bld(atmp,p%desc_data,p,upd,info)
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|
if (info/=0) then
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|
call psb_errpush(4010,name,a_err='mld_ilu_bld')
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|
goto 9999
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|
end if
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|
|
if (debugprt) then
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|
open(80+me)
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|
|
call psb_csprt(80+me,p%av(l_pr_),head='% Local L factor')
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|
|
write(80+me,*) '% Diagonal: ',p%av(l_pr_)%m
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|
do i=1,p%av(l_pr_)%m
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|
|
write(80+me,*) i,i,p%d(i)
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|
|
enddo
|
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|
|
call psb_csprt(80+me,p%av(u_pr_),head='% Local U factor')
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|
|
|
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|
|
close(80+me)
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|
endif
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|
|
|
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|
|
case(slu_)
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|
|
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|
|
|
|
call psb_spcnv(atmp,info,afmt='csr',dupl=psb_dupl_add_)
|
|
|
|
if (info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_spcnv csr 3')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
call mld_slu_bld(atmp,p%desc_data,p,info)
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|
|
|
if(info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='slu_bld')
|
|
|
|
goto 9999
|
|
|
|
end if
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|
|
|
|
|
|
|
case(umf_)
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|
|
|
|
|
|
|
call psb_spcnv(atmp,info,afmt='csc',dupl=psb_dupl_add_)
|
|
|
|
if (info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_spcnv csc')
|
|
|
|
goto 9999
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|
|
|
end if
|
|
|
|
|
|
|
|
call mld_umf_bld(atmp,p%desc_data,p,info)
|
|
|
|
if(debug) write(0,*)me,': Done umf_bld ',info
|
|
|
|
if (info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='umf_bld')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
case(f_none_)
|
|
|
|
info=4010
|
|
|
|
call psb_errpush(info,name,a_err='Inconsistent prec f_none_')
|
|
|
|
goto 9999
|
|
|
|
|
|
|
|
case default
|
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|
|
info=4010
|
|
|
|
call psb_errpush(info,name,a_err='Unknown sub_solve_')
|
|
|
|
goto 9999
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
call psb_sp_free(atmp,info)
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|
|
|
|
|
|
|
if(info/=0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_sp_free')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case(0) ! No renumbering
|
|
|
|
|
|
|
|
select case(p%iprcparm(sub_solve_))
|
|
|
|
|
|
|
|
case(ilu_n_,ilu_t_)
|
|
|
|
|
|
|
|
|
|
|
|
if (p%iprcparm(smooth_sweeps_) > 1) then
|
|
|
|
n_row = psb_cd_get_local_rows(p%desc_data)
|
|
|
|
n_col = psb_cd_get_local_cols(p%desc_data)
|
|
|
|
nrow_a = a%m
|
|
|
|
! The following is known to work
|
|
|
|
! given that the output from CLIP is in COO.
|
|
|
|
call psb_sp_clip(a,p%av(ap_nd_),info,&
|
|
|
|
& jmin=nrow_a+1,rscale=.false.,cscale=.false.)
|
|
|
|
call psb_sp_clip(blck,atmp,info,&
|
|
|
|
& jmin=nrow_a+1,rscale=.false.,cscale=.false.)
|
|
|
|
call psb_rwextd(n_row,p%av(ap_nd_),info,b=atmp)
|
|
|
|
|
|
|
|
call psb_spcnv(p%av(ap_nd_),info,afmt='csr',dupl=psb_dupl_add_)
|
|
|
|
if(info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_spcnv csr 4')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
k = psb_sp_get_nnzeros(p%av(ap_nd_))
|
|
|
|
call psb_sum(ictxt,k)
|
|
|
|
|
|
|
|
if (k == 0) then
|
|
|
|
! If the off diagonal part is emtpy, there's no point
|
|
|
|
! in doing multiple Jacobi sweeps. This is certain
|
|
|
|
! to happen when running on a single processor.
|
|
|
|
p%iprcparm(smooth_sweeps_) = 1
|
|
|
|
end if
|
|
|
|
call psb_sp_free(atmp,info)
|
|
|
|
end if
|
|
|
|
|
|
|
|
call mld_ilu_bld(a,desc_a,p,upd,info,blck=blck)
|
|
|
|
|
|
|
|
if(info/=0) then
|
|
|
|
call psb_errpush(4010,name,a_err='mld_ilu_bld')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
|
|
if (debugprt) then
|
|
|
|
|
|
|
|
open(80+me)
|
|
|
|
|
|
|
|
call psb_csprt(80+me,p%av(l_pr_),head='% Local L factor')
|
|
|
|
write(80+me,*) '% Diagonal: ',p%av(l_pr_)%m
|
|
|
|
do i=1,p%av(l_pr_)%m
|
|
|
|
write(80+me,*) i,i,p%d(i)
|
|
|
|
enddo
|
|
|
|
call psb_csprt(80+me,p%av(u_pr_),head='% Local U factor')
|
|
|
|
|
|
|
|
close(80+me)
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
|
|
case(slu_)
|
|
|
|
|
|
|
|
call psb_spcnv(a,atmp,info,afmt='coo')
|
|
|
|
if (info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_spcnv')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
n_row = psb_cd_get_local_rows(p%desc_data)
|
|
|
|
n_col = psb_cd_get_local_cols(p%desc_data)
|
|
|
|
call psb_rwextd(n_row,atmp,info,b=blck)
|
|
|
|
|
|
|
|
if (p%iprcparm(smooth_sweeps_) > 1) then
|
|
|
|
!------------------------------------------------------------------
|
|
|
|
! Split AC=M+N N off-diagonal part
|
|
|
|
! Output in COO format.
|
|
|
|
call psb_sp_clip(atmp,p%av(ap_nd_),info,&
|
|
|
|
& jmin=atmp%m+1,rscale=.false.,cscale=.false.)
|
|
|
|
|
|
|
|
call psb_spcnv(p%av(ap_nd_),info,afmt='csr',dupl=psb_dupl_add_)
|
|
|
|
if(info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_spcnv csr 6')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
k = psb_sp_get_nnzeros(p%av(ap_nd_))
|
|
|
|
call psb_sum(ictxt,k)
|
|
|
|
|
|
|
|
if (k == 0) then
|
|
|
|
! If the off diagonal part is emtpy, there's no point
|
|
|
|
! in doing multiple Jacobi sweeps. This is certain
|
|
|
|
! to happen when running on a single processor.
|
|
|
|
p%iprcparm(smooth_sweeps_) = 1
|
|
|
|
end if
|
|
|
|
endif
|
|
|
|
|
|
|
|
if (info == 0) call psb_spcnv(atmp,info,afmt='csr',dupl=psb_dupl_add_)
|
|
|
|
if (info == 0) call mld_slu_bld(atmp,p%desc_data,p,info)
|
|
|
|
if(info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='slu_bld')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
call psb_sp_free(atmp,info)
|
|
|
|
if(info/=0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_sp_free')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
|
|
case(sludist_)
|
|
|
|
|
|
|
|
call psb_spcnv(a,atmp,info,afmt='coo')
|
|
|
|
if (info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_spcnv')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
n_row = psb_cd_get_local_rows(p%desc_data)
|
|
|
|
n_col = psb_cd_get_local_cols(p%desc_data)
|
|
|
|
call psb_rwextd(n_row,atmp,info,b=blck)
|
|
|
|
|
|
|
|
if (p%iprcparm(smooth_sweeps_) > 1) then
|
|
|
|
!------------------------------------------------------------------
|
|
|
|
! Split AC=M+N N off-diagonal part
|
|
|
|
! Output in COO format.
|
|
|
|
call psb_sp_clip(atmp,p%av(ap_nd_),info,&
|
|
|
|
& jmin=atmp%m+1,rscale=.false.,cscale=.false.)
|
|
|
|
|
|
|
|
call psb_spcnv(p%av(ap_nd_),info,afmt='csr',dupl=psb_dupl_add_)
|
|
|
|
if(info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_spcnv csr 7')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
k = psb_sp_get_nnzeros(p%av(ap_nd_))
|
|
|
|
call psb_sum(ictxt,k)
|
|
|
|
|
|
|
|
if (k == 0) then
|
|
|
|
! If the off diagonal part is emtpy, there's no point
|
|
|
|
! in doing multiple Jacobi sweeps. This is certain
|
|
|
|
! to happen when running on a single processor.
|
|
|
|
p%iprcparm(smooth_sweeps_) = 1
|
|
|
|
end if
|
|
|
|
endif
|
|
|
|
|
|
|
|
if (info == 0) call psb_spcnv(atmp,info,afmt='csr',dupl=psb_dupl_add_)
|
|
|
|
if (info == 0) call mld_sludist_bld(atmp,p%desc_data,p,info)
|
|
|
|
if(info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='slu_bld')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
call psb_sp_free(atmp,info)
|
|
|
|
if(info/=0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_sp_free')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
case(umf_)
|
|
|
|
|
|
|
|
|
|
|
|
call psb_spcnv(a,atmp,info,afmt='coo')
|
|
|
|
if (info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_spcnv')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
n_row = psb_cd_get_local_rows(p%desc_data)
|
|
|
|
n_col = psb_cd_get_local_cols(p%desc_data)
|
|
|
|
call psb_rwextd(n_row,atmp,info,b=blck)
|
|
|
|
|
|
|
|
if (p%iprcparm(smooth_sweeps_) > 1) then
|
|
|
|
!------------------------------------------------------------------
|
|
|
|
! Split AC=M+N N off-diagonal part
|
|
|
|
! Output in COO format.
|
|
|
|
!!$ write(0,*) 'bjac_bld:' size(p%av),ap_nd_
|
|
|
|
call psb_sp_clip(atmp,p%av(ap_nd_),info,&
|
|
|
|
& jmin=atmp%m+1,rscale=.false.,cscale=.false.)
|
|
|
|
|
|
|
|
call psb_spcnv(p%av(ap_nd_),info,afmt='csr',dupl=psb_dupl_add_)
|
|
|
|
if(info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_spcnv csr 8')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
k = psb_sp_get_nnzeros(p%av(ap_nd_))
|
|
|
|
call psb_sum(ictxt,k)
|
|
|
|
|
|
|
|
if (k == 0) then
|
|
|
|
! If the off diagonal part is emtpy, there's no point
|
|
|
|
! in doing multiple Jacobi sweeps. This is certain
|
|
|
|
! to happen when running on a single processor.
|
|
|
|
p%iprcparm(smooth_sweeps_) = 1
|
|
|
|
end if
|
|
|
|
endif
|
|
|
|
|
|
|
|
if (info == 0) call psb_ipcoo2csc(atmp,info,clshr=.true.)
|
|
|
|
if (info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_ipcoo2csc')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
call mld_umf_bld(atmp,p%desc_data,p,info)
|
|
|
|
if(debug) write(0,*)me,': Done umf_bld ',info
|
|
|
|
if (info /= 0) then
|
|
|
|
call psb_errpush(4010,name,a_err='umf_bld')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
call psb_sp_free(atmp,info)
|
|
|
|
if(info/=0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_sp_free')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
|
|
case(f_none_)
|
|
|
|
info=4010
|
|
|
|
call psb_errpush(info,name,a_err='Inconsistent prec f_none_')
|
|
|
|
goto 9999
|
|
|
|
|
|
|
|
case default
|
|
|
|
info=4010
|
|
|
|
call psb_errpush(info,name,a_err='Unknown sub_solve_')
|
|
|
|
goto 9999
|
|
|
|
end select
|
|
|
|
|
|
|
|
case default
|
|
|
|
info=4010
|
|
|
|
call psb_errpush(info,name,a_err='Invalid renum_')
|
|
|
|
goto 9999
|
|
|
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
t6 = psb_wtime()
|
|
|
|
|
|
|
|
call psb_sp_free(blck,info)
|
|
|
|
if(info/=0) then
|
|
|
|
call psb_errpush(4010,name,a_err='psb_sp_free')
|
|
|
|
goto 9999
|
|
|
|
end if
|
|
|
|
|
|
|
|
if (debug) write(0,*) me,'End of ilu_bld'
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
|
|
|
return
|
|
|
|
|
|
|
|
9999 continue
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act.eq.psb_act_abort_) then
|
|
|
|
call psb_error()
|
|
|
|
return
|
|
|
|
end if
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
|
|
end subroutine mld_zbjac_bld
|
|
|
|
|
|
|
|
|