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psblas3/prec/impl/psb_zprecbld.f90

102 lines
3.5 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS version 3.0
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$
!!$ 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,amold,afmt,vmold)
use psb_base_mod
use psb_z_prec_type
Implicit None
type(psb_zspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
type(psb_zprec_type),intent(inout) :: p
integer(psb_ipk_), intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_z_base_sparse_mat), intent(in), optional :: amold
class(psb_z_base_vect_type), intent(in), optional :: vmold
! Local scalars
integer(psb_ipk_) :: err, n_row, n_col,ictxt,&
& me,np,mglob, err_act
integer(psb_ipk_) :: int_err(5)
character :: upd_
integer(psb_ipk_),parameter :: iroot=psb_root_,iout=60,ilout=40
character(len=20) :: name, ch_err
if(psb_get_errstatus() /= 0) return
info=psb_success_
err=0
call psb_erractionsave(err_act)
name = 'psb_precbld'
info = psb_success_
int_err(1) = 0
ictxt = desc_a%get_context()
call psb_info(ictxt, me, np)
n_row = desc_a%get_local_rows()
n_col = desc_a%get_local_cols()
mglob = desc_a%get_global_rows()
!
! Should add check to ensure all procs have the same...
!
! ALso should define symbolic names for the preconditioners.
!
if (.not.allocated(p%prec)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
call p%prec%precbld(a,desc_a,info,upd=upd,&
& afmt=afmt,amold=amold,vmold=vmold)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_zprecbld