43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*BHEADER**********************************************************************
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* Copyright (c) 2008, Lawrence Livermore National Security, LLC.
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* Produced at the Lawrence Livermore National Laboratory.
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* This file is part of HYPRE. See file COPYRIGHT for details.
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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 Lesser General Public License (as published by the Free
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* Software Foundation) version 2.1 dated February 1999.
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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 "_hypre_sstruct_ls.h"
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#include "fac.h"
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#define DEBUG 0
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HYPRE_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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HYPRE_Int num_relax,
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HYPRE_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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