57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/*BHEADER**********************************************************************
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* Copyright (c) 2007, Lawrence Livermore National Security, LLC.
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* Produced at the Lawrence Livermore National Laboratory.
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* Written by the HYPRE team. UCRL-CODE-222953.
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* All rights reserved.
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*
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* This file is part of HYPRE (see http://www.llnl.gov/CASC/hypre/).
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* Please see the COPYRIGHT_and_LICENSE file for the copyright notice,
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* disclaimer, contact information and the GNU Lesser General Public License.
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*
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* HYPRE is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License (as published by the Free Software
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* Foundation) version 2.1 dated February 1999.
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*
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* HYPRE is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the IMPLIED WARRANTY OF MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the terms and conditions of the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Revision$
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***********************************************************************EHEADER*/
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/******************************************************************************
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* FAC relaxation. Refinement patches are solved using system pfmg
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* relaxation.
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******************************************************************************/
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#include "headers.h"
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#include "fac.h"
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#define DEBUG 0
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int
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hypre_FacLocalRelax(void *relax_vdata,
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hypre_SStructPMatrix *A,
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hypre_SStructPVector *x,
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hypre_SStructPVector *b,
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int num_relax,
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int *zero_guess)
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{
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hypre_SysPFMGRelaxSetPreRelax(relax_vdata);
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hypre_SysPFMGRelaxSetMaxIter(relax_vdata, num_relax);
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hypre_SysPFMGRelaxSetZeroGuess(relax_vdata, *zero_guess);
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hypre_SysPFMGRelax(relax_vdata, A, b, x);
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zero_guess = 0;
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return 0;
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}
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