Moving files from PSBLAS2 to MLD2P4.
Salvatore Filippone
18 years ago
parent
9d66ad911f
commit
0ac7e11c76
@ -0,0 +1,169 @@
|
||||
!!$
|
||||
!!$
|
||||
!!$ 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_zprecbld(a,desc_a,p,info,upd)
|
||||
|
||||
use psb_base_mod
|
||||
use psb_prec_type
|
||||
use psb_prec_mod
|
||||
Implicit None
|
||||
|
||||
type(psb_zspmat_type), target :: a
|
||||
type(psb_desc_type), intent(in), target :: desc_a
|
||||
type(psb_zprec_type),intent(inout) :: p
|
||||
integer, intent(out) :: info
|
||||
character, intent(in), optional :: upd
|
||||
|
||||
|
||||
! Local scalars
|
||||
Integer :: err,i,j,k,ictxt, me,np,lw, err_act
|
||||
integer :: int_err(5)
|
||||
character :: iupd
|
||||
|
||||
logical, parameter :: debug=.false.
|
||||
integer,parameter :: iroot=0,iout=60,ilout=40
|
||||
character(len=20) :: name, ch_err
|
||||
|
||||
if(psb_get_errstatus().ne.0) return
|
||||
info=0
|
||||
err=0
|
||||
call psb_erractionsave(err_act)
|
||||
name = 'psb_precbld'
|
||||
|
||||
if (debug) write(0,*) 'Entering precbld',P%prec,desc_a%matrix_data(:)
|
||||
info = 0
|
||||
int_err(1) = 0
|
||||
ictxt = psb_cd_get_context(desc_a)
|
||||
|
||||
if (debug) write(0,*) 'Preconditioner psb_info'
|
||||
call psb_info(ictxt, me, np)
|
||||
|
||||
if (present(upd)) then
|
||||
if (debug) write(0,*) 'UPD ', upd
|
||||
if ((upd.eq.'F').or.(upd.eq.'T')) then
|
||||
iupd=upd
|
||||
else
|
||||
iupd='F'
|
||||
endif
|
||||
else
|
||||
iupd='F'
|
||||
endif
|
||||
|
||||
if (.not.allocated(p%baseprecv)) then
|
||||
!! Error 1: should call precset
|
||||
info=4010
|
||||
ch_err='unallocated bpv'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
end if
|
||||
!
|
||||
! Should add check to ensure all procs have the same...
|
||||
!
|
||||
! ALso should define symbolic names for the preconditioners.
|
||||
!
|
||||
if (size(p%baseprecv) >= 1) then
|
||||
call init_baseprc_av(p%baseprecv(1),info)
|
||||
if (info /= 0) then
|
||||
info=4010
|
||||
ch_err='allocate'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
endif
|
||||
|
||||
call psb_baseprc_bld(a,desc_a,p%baseprecv(1),info,iupd)
|
||||
|
||||
else
|
||||
info=4010
|
||||
ch_err='size bpv'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
|
||||
endif
|
||||
|
||||
if (size(p%baseprecv) > 1) then
|
||||
|
||||
do i=2, size(p%baseprecv)
|
||||
call init_baseprc_av(p%baseprecv(i),info)
|
||||
if (info /= 0) then
|
||||
info=4010
|
||||
ch_err='allocate'
|
||||
call psb_errpush(info,name,a_err=ch_err)
|
||||
goto 9999
|
||||
endif
|
||||
|
||||
call psb_mlprc_bld(p%baseprecv(i-1)%base_a,p%baseprecv(i-1)%base_desc,&
|
||||
& p%baseprecv(i),info)
|
||||
if (info /= 0) then
|
||||
info=4010
|
||||
call psb_errpush(info,name)
|
||||
goto 9999
|
||||
endif
|
||||
if (debug) then
|
||||
write(0,*) 'Return from ',i-1,' call to mlprcbld ',info
|
||||
endif
|
||||
|
||||
end do
|
||||
|
||||
endif
|
||||
|
||||
call psb_erractionrestore(err_act)
|
||||
return
|
||||
|
||||
9999 continue
|
||||
call psb_erractionrestore(err_act)
|
||||
if (err_act.eq.act_abort) then
|
||||
call psb_error()
|
||||
return
|
||||
end if
|
||||
return
|
||||
|
||||
contains
|
||||
|
||||
subroutine init_baseprc_av(p,info)
|
||||
type(psb_zbaseprc_type), intent(inout) :: p
|
||||
integer :: info
|
||||
if (allocated(p%av)) then
|
||||
! Have not decided what to do yet
|
||||
end if
|
||||
allocate(p%av(max_avsz),stat=info)
|
||||
!!$ if (info /= 0) return
|
||||
do k=1,size(p%av)
|
||||
call psb_nullify_sp(p%av(k))
|
||||
end do
|
||||
end subroutine init_baseprc_av
|
||||
|
||||
end subroutine psb_zprecbld
|
||||
|
||||
Loading…
Reference in New Issue