You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
207 lines
6.3 KiB
Fortran
207 lines
6.3 KiB
Fortran
!!$
|
|
!!$
|
|
!!$ MD2P4
|
|
!!$ Multilevel Domain Decomposition Parallel Preconditioner Package for PSBLAS
|
|
!!$ for
|
|
!!$ Parallel Sparse BLAS v2.0
|
|
!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
|
|
!!$ Alfredo Buttari University of Rome Tor Vergata
|
|
!!$ Daniela di Serafino Second University of Naples
|
|
!!$ Pasqua D'Ambra ICAR-CNR
|
|
!!$
|
|
!!$ 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 MD2P4 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 MD2P4 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_dslu_bld(a,desc_a,p,info)
|
|
use psb_base_mod
|
|
use psb_prec_type
|
|
|
|
implicit none
|
|
|
|
type(psb_dspmat_type), intent(inout) :: a
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
type(psb_dbaseprc_type), intent(inout) :: p
|
|
integer, intent(out) :: info
|
|
|
|
|
|
type(psb_dspmat_type) :: blck, atmp
|
|
character(len=5) :: fmt
|
|
character :: upd='F'
|
|
integer :: i,j,nza,nzb,nzt,ictxt,me,np,err_act
|
|
logical, parameter :: debug=.false.
|
|
character(len=20) :: name, ch_err
|
|
|
|
interface psb_asmatbld
|
|
Subroutine psb_dasmatbld(ptype,novr,a,blk,desc_data,upd,desc_p,info,outfmt)
|
|
use psb_base_mod
|
|
use psb_prec_type
|
|
integer, intent(in) :: ptype,novr
|
|
Type(psb_dspmat_type), Intent(in) :: a
|
|
Type(psb_dspmat_type), Intent(inout) :: blk
|
|
Type(psb_desc_type), Intent(inout) :: desc_p
|
|
Type(psb_desc_type), Intent(in) :: desc_data
|
|
Character, Intent(in) :: upd
|
|
integer, intent(out) :: info
|
|
character(len=5), optional :: outfmt
|
|
end Subroutine psb_dasmatbld
|
|
end interface
|
|
|
|
if(psb_get_errstatus().ne.0) return
|
|
info=0
|
|
name='psb_slu_bld'
|
|
call psb_erractionsave(err_act)
|
|
|
|
ictxt = desc_a%matrix_data(psb_ctxt_)
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
fmt = 'COO'
|
|
call psb_nullify_sp(blck)
|
|
call psb_nullify_sp(atmp)
|
|
|
|
atmp%fida='COO'
|
|
if (Debug) then
|
|
write(0,*) me, 'SPLUBLD: Calling csdp'
|
|
call psb_barrier(ictxt)
|
|
endif
|
|
|
|
call psb_csdp(a,atmp,info)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='psb_csdp'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end if
|
|
nza = atmp%infoa(psb_nnz_)
|
|
if (Debug) then
|
|
write(0,*) me, 'SPLUBLD: Done csdp',info,nza,atmp%m,atmp%k
|
|
call psb_barrier(ictxt)
|
|
endif
|
|
call psb_asmatbld(p%iprcparm(p_type_),p%iprcparm(n_ovr_),a,&
|
|
& blck,desc_a,upd,p%desc_data,info,outfmt=fmt)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='psb_asmatbld'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end if
|
|
|
|
nzb = blck%infoa(psb_nnz_)
|
|
if (Debug) then
|
|
write(0,*) me, 'SPLUBLD: Done asmatbld',info,nzb,blck%fida
|
|
call psb_barrier(ictxt)
|
|
endif
|
|
if (nzb > 0 ) then
|
|
if (size(atmp%aspk)<nza+nzb) then
|
|
call psb_sp_reall(atmp,nza+nzb,info)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='psb_sp_reall'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end if
|
|
endif
|
|
if (Debug) then
|
|
write(0,*) me, 'SPLUBLD: Done realloc',info,nza+nzb,atmp%fida
|
|
call psb_barrier(ictxt)
|
|
endif
|
|
|
|
do j=1,nzb
|
|
atmp%aspk(nza+j) = blck%aspk(j)
|
|
atmp%ia1(nza+j) = blck%ia1(j)
|
|
atmp%ia2(nza+j) = blck%ia2(j)
|
|
end do
|
|
atmp%infoa(psb_nnz_) = nza+nzb
|
|
atmp%m = atmp%m + blck%m
|
|
atmp%k = max(a%k,blck%k)
|
|
else
|
|
atmp%infoa(psb_nnz_) = nza
|
|
atmp%m = a%m
|
|
atmp%k = a%k
|
|
endif
|
|
|
|
i=0
|
|
do j=1, atmp%infoa(psb_nnz_)
|
|
if (atmp%ia2(j) <= atmp%m) then
|
|
i = i + 1
|
|
atmp%aspk(i) = atmp%aspk(j)
|
|
atmp%ia1(i) = atmp%ia1(j)
|
|
atmp%ia2(i) = atmp%ia2(j)
|
|
endif
|
|
enddo
|
|
atmp%infoa(psb_nnz_) = i
|
|
|
|
|
|
call psb_ipcoo2csr(atmp,info)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='psb_ipcoo2csr'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end if
|
|
nzt = psb_sp_get_nnzeros(atmp)
|
|
|
|
if (Debug) then
|
|
write(0,*) me,'Calling psb_slu_factor ',nzt,atmp%m,&
|
|
& atmp%k,p%desc_data%matrix_data(psb_n_row_)
|
|
call psb_barrier(ictxt)
|
|
endif
|
|
|
|
call psb_dslu_factor(atmp%m,nzt,&
|
|
& atmp%aspk,atmp%ia2,atmp%ia1,p%iprcparm(slu_ptr_),info)
|
|
if(info /= 0) then
|
|
ch_err='psb_slu_fact'
|
|
call psb_errpush(4110,name,a_err=ch_err,i_err=(/info,0,0,0,0/))
|
|
goto 9999
|
|
end if
|
|
|
|
if (Debug) then
|
|
write(0,*) me, 'SPLUBLD: Done slu_Factor',info,p%iprcparm(slu_ptr_)
|
|
call psb_barrier(ictxt)
|
|
endif
|
|
|
|
call psb_sp_free(blck,info)
|
|
call psb_sp_free(atmp,info)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='psb_sp_free'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end if
|
|
|
|
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 psb_dslu_bld
|
|
|