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242 lines
6.8 KiB
Fortran
242 lines
6.8 KiB
Fortran
17 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 mld_daggrmat_raw_asb(a,desc_a,ac,desc_ac,p,info)
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use psb_base_mod
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use mld_prec_mod, mld_protect_name => mld_daggrmat_raw_asb
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#ifdef MPI_MOD
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use mpi
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#endif
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implicit none
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#ifdef MPI_H
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include 'mpif.h'
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#endif
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type(psb_dspmat_type), intent(in), target :: a
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type(mld_dbaseprc_type), intent(inout), target :: p
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type(psb_dspmat_type), intent(inout), target :: ac
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type(psb_desc_type), intent(in) :: desc_a
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type(psb_desc_type), intent(inout) :: desc_ac
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integer, intent(out) :: info
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logical, parameter :: aggr_dump=.false.
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integer ::ictxt,np,me, err_act, icomm
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character(len=20) :: name, ch_err
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type(psb_dspmat_type) :: b
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integer, pointer :: nzbr(:), idisp(:)
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integer :: nrow, nglob, ncol, ntaggr, nzac, ip, ndx,&
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& naggr, nzt,jl,nzl,nlr, naggrm1, i, j, k
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name='mld_aggrmat_raw_asb'
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if(psb_get_errstatus().ne.0) return
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info=0
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call psb_erractionsave(err_act)
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call psb_nullify_sp(b)
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ictxt = psb_cd_get_context(desc_a)
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icomm = psb_cd_get_mpic(desc_a)
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call psb_info(ictxt, me, np)
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nglob = psb_cd_get_global_rows(desc_a)
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nrow = psb_cd_get_local_rows(desc_a)
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ncol = psb_cd_get_local_cols(desc_a)
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naggr = p%nlaggr(me+1)
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ntaggr = sum(p%nlaggr)
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allocate(nzbr(np), idisp(np),stat=info)
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if (info /= 0) then
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info=4025
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call psb_errpush(info,name,i_err=(/2*np,0,0,0,0/),&
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& a_err='integer')
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goto 9999
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end if
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naggrm1=sum(p%nlaggr(1:me))
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if (p%iprcparm(coarse_mat_) == repl_mat_) then
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do i=1, nrow
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p%mlia(i) = p%mlia(i) + naggrm1
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end do
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call psb_halo(p%mlia,desc_a,info)
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end if
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='psb_halo')
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goto 9999
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end if
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nzt = psb_sp_get_nnzeros(a)
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call psb_sp_all(b,nzt,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='spall')
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goto 9999
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end if
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call psb_sp_setifld(psb_dupl_ovwrt_,psb_dupl_,b,info)
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call psb_sp_setifld(psb_upd_dflt_,psb_upd_,b,info)
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b%fida = 'COO'
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b%m=a%m
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b%k=a%k
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call psb_csdp(a,b,info)
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if(info /= 0) then
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info=4010
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ch_err='psb_csdp'
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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(b)
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j = 0
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do i=1, nzt
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if ((1<=b%ia2(i)).and.(b%ia2(i)<=nrow)) then
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j = j + 1
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b%aspk(j) = b%aspk(i)
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b%ia1(j) = p%mlia(b%ia1(i))
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b%ia2(j) = p%mlia(b%ia2(i))
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end if
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enddo
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b%infoa(psb_nnz_)=j
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call psb_fixcoo(b,info)
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nzt = psb_sp_get_nnzeros(b)
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call psb_sp_reall(b,nzt,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='spreall')
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goto 9999
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end if
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b%m = naggr
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b%k = naggr
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if (p%iprcparm(coarse_mat_) == repl_mat_) then
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call psb_cdrep(ntaggr,ictxt,desc_ac,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='psb_cdrep')
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goto 9999
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end if
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nzbr(:) = 0
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nzbr(me+1) = nzt
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call psb_sum(ictxt,nzbr(1:np))
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nzac = sum(nzbr)
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call psb_sp_all(ntaggr,ntaggr,ac,nzac,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='spall')
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goto 9999
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end if
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do ip=1,np
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idisp(ip) = sum(nzbr(1:ip-1))
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enddo
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ndx = nzbr(me+1)
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call mpi_allgatherv(b%aspk,ndx,mpi_double_precision,ac%aspk,nzbr,idisp,&
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& mpi_double_precision,icomm,info)
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call mpi_allgatherv(b%ia1,ndx,mpi_integer,ac%ia1,nzbr,idisp,&
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& mpi_integer,icomm,info)
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call mpi_allgatherv(b%ia2,ndx,mpi_integer,ac%ia2,nzbr,idisp,&
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& mpi_integer,icomm,info)
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if(info /= 0) then
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info=-1
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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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ac%m = ntaggr
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ac%k = ntaggr
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ac%infoa(psb_nnz_) = nzac
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ac%fida='COO'
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ac%descra='G'
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call psb_fixcoo(ac,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='sp_free')
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goto 9999
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end if
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else if (p%iprcparm(coarse_mat_) == distr_mat_) then
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call psb_cdall(ictxt,desc_ac,info,nl=naggr)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='psb_cdall')
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goto 9999
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end if
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call psb_cdasb(desc_ac,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='psb_cdasb')
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goto 9999
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end if
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call psb_sp_clone(b,ac,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='spclone')
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goto 9999
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end if
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call psb_sp_free(b,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='sp_free')
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goto 9999
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end if
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else
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write(0,*) 'Unknown p%iprcparm(coarse_mat) in aggregate_sp',p%iprcparm(coarse_mat_)
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end if
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call psb_ipcoo2csr(ac,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='ipcoo2csr')
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goto 9999
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end if
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deallocate(nzbr,idisp)
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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.psb_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 mld_daggrmat_raw_asb
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