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.
216 lines
6.5 KiB
Fortran
216 lines
6.5 KiB
Fortran
!!$
|
|
!!$ Parallel Sparse BLAS v2.0
|
|
!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
|
|
!!$ Alfredo Buttari University of Rome Tor Vergata
|
|
!!$
|
|
!!$ 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 PSBLAS 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 PSBLAS 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
|
|
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
|
|
|
|
interface psb_diagsc_bld
|
|
subroutine psb_zdiagsc_bld(a,desc_data,p,upd,info)
|
|
use psb_base_mod
|
|
use psb_prec_type
|
|
integer, intent(out) :: info
|
|
type(psb_zspmat_type), intent(in), target :: a
|
|
type(psb_desc_type),intent(in) :: desc_data
|
|
type(psb_zprec_type), intent(inout) :: p
|
|
character, intent(in) :: upd
|
|
end subroutine psb_zdiagsc_bld
|
|
end interface
|
|
|
|
interface psb_ilu_bld
|
|
subroutine psb_zilu_bld(a,desc_data,p,upd,info)
|
|
use psb_base_mod
|
|
use psb_prec_type
|
|
integer, intent(out) :: info
|
|
type(psb_zspmat_type), intent(in), target :: a
|
|
type(psb_desc_type),intent(in) :: desc_data
|
|
type(psb_zprec_type), intent(inout) :: p
|
|
character, intent(in) :: upd
|
|
end subroutine psb_zilu_bld
|
|
end interface
|
|
|
|
! Local scalars
|
|
Integer :: err, nnzero, n_row, n_col,I,j,k,ictxt,&
|
|
& me,mycol,np,npcol,mglob,lw, mtype, nrg, nzg, err_act
|
|
real(kind(1.d0)) :: temp, real_err(5)
|
|
real(kind(1.d0)),pointer :: gd(:), work(:)
|
|
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
|
|
n_row = psb_cd_get_local_rows(desc_a)
|
|
n_col = psb_cd_get_local_cols(desc_a)
|
|
mglob = psb_cd_get_global_rows(desc_a)
|
|
!
|
|
! Should add check to ensure all procs have the same...
|
|
!
|
|
! ALso should define symbolic names for the preconditioners.
|
|
!
|
|
|
|
call psb_check_def(p%iprcparm(p_type_),'base_prec',&
|
|
& diag_,is_legal_prec)
|
|
|
|
call psb_nullify_desc(p%desc_data)
|
|
|
|
select case(p%iprcparm(p_type_))
|
|
case (noprec_)
|
|
! Do nothing.
|
|
call psb_cdcpy(desc_a,p%desc_data,info)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='psb_cdcpy'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end if
|
|
|
|
case (diag_)
|
|
|
|
call psb_diagsc_bld(a,desc_a,p,iupd,info)
|
|
if(debug) write(0,*)me,': out of psb_diagsc_bld'
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='psb_diagsc_bld'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end if
|
|
|
|
case (bjac_)
|
|
|
|
call psb_check_def(p%iprcparm(iren_),'renumbering',&
|
|
& renum_none_,is_legal_renum)
|
|
call psb_check_def(p%iprcparm(f_type_),'fact',&
|
|
& f_ilu_n_,is_legal_ml_fact)
|
|
|
|
if (debug) write(0,*)me, ': Calling PSB_ILU_BLD'
|
|
if (debug) call psb_barrier(ictxt)
|
|
call psb_cdcpy(desc_a,p%desc_data,info)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='psb_cdcpy'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end if
|
|
allocate(p%av(max_avsz),stat=info)
|
|
if(info /= 0) then
|
|
info=4000
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
select case(p%iprcparm(f_type_))
|
|
|
|
case(f_ilu_n_,f_ilu_e_)
|
|
call psb_ilu_bld(a,desc_a,p,iupd,info)
|
|
if(debug) write(0,*)me,': out of psb_ilu_bld'
|
|
if (debug) call psb_barrier(ictxt)
|
|
if(info /= 0) then
|
|
info=4010
|
|
ch_err='psb_ilu_bld'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end if
|
|
|
|
case(f_none_)
|
|
write(0,*) 'Fact=None in BASEPRC_BLD Bja/ASM??'
|
|
info=4010
|
|
ch_err='Inconsistent prec f_none_'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
|
|
case default
|
|
write(0,*) 'Unknown factor type in baseprc_bld bja/asm: ',&
|
|
&p%iprcparm(f_type_)
|
|
info=4010
|
|
ch_err='Unknown f_type_'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
end select
|
|
case default
|
|
info=4010
|
|
ch_err='Unknown p_type_'
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
goto 9999
|
|
|
|
end select
|
|
|
|
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_zprecbld
|
|
|