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94 lines
3.3 KiB
Fortran
94 lines
3.3 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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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 PSBLAS 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 PSBLAS 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 psb_zprecbld(a,desc_a,p,info,amold,vmold,imold)
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use psb_base_mod
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use psb_z_prec_type, psb_protect_name => psb_zprecbld
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Implicit None
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type(psb_zspmat_type), intent(in), target :: a
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type(psb_desc_type), intent(inout), target :: desc_a
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class(psb_zprec_type),intent(inout), target :: p
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integer(psb_ipk_), intent(out) :: info
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class(psb_z_base_sparse_mat), intent(in), optional :: amold
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class(psb_z_base_vect_type), intent(in), optional :: vmold
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class(psb_i_base_vect_type), intent(in), optional :: imold
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! Local scalars
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type(psb_ctxt_type) :: ictxt
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integer(psb_ipk_) :: me,np
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integer(psb_ipk_) :: err, n_row, n_col,mglob, err_act
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integer(psb_ipk_),parameter :: iroot=psb_root_,iout=60,ilout=40
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character(len=20) :: name, ch_err
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info=psb_success_
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err=0
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name = 'psb_precbld'
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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info = psb_success_
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ictxt = desc_a%get_context()
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call psb_info(ictxt, me, np)
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n_row = desc_a%get_local_rows()
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n_col = desc_a%get_local_cols()
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mglob = desc_a%get_global_rows()
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!
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! Should add check to ensure all procs have the same...
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!
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! ALso should define symbolic names for the preconditioners.
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!
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if (.not.allocated(p%prec)) then
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info = 1124
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call psb_errpush(info,name,a_err="preconditioner")
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goto 9999
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end if
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call p%prec%precbld(a,desc_a,info,&
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& amold=amold,vmold=vmold,imold=imold)
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if (info /= psb_success_) goto 9999
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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end subroutine psb_zprecbld
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