72 lines
2.7 KiB
C
72 lines
2.7 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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#ifndef hypre_BLOCKTRIDIAG_HEADER
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#define hypre_BLOCKTRIDIAG_HEADER
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#include "parcsr_mv/_hypre_parcsr_mv.h"
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#include "parcsr_ls/_hypre_parcsr_ls.h"
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/*--------------------------------------------------------------------------
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* hypre_BlockTridiag
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*--------------------------------------------------------------------------*/
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typedef struct
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{
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int num_sweeps;
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int relax_type;
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int *index_set1, *index_set2;
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int print_level;
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double threshold;
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hypre_ParCSRMatrix *A11, *A21, *A22;
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hypre_ParVector *F1, *U1, *F2, *U2;
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HYPRE_Solver precon1, precon2;
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} hypre_BlockTridiagData;
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/*--------------------------------------------------------------------------
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* functions for hypre_BlockTridiag
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*--------------------------------------------------------------------------*/
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void *hypre_BlockTridiagCreate();
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int hypre_BlockTridiagDestroy(void *);
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int hypre_BlockTridiagSetup(void * , hypre_ParCSRMatrix *,
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hypre_ParVector *, hypre_ParVector *);
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int hypre_BlockTridiagSolve(void * , hypre_ParCSRMatrix *,
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hypre_ParVector *, hypre_ParVector *);
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int hypre_BlockTridiagSetIndexSet(void *, int, int *);
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int hypre_BlockTridiagSetAMGStrengthThreshold(void *, double);
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int hypre_BlockTridiagSetAMGNumSweeps(void *, int);
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int hypre_BlockTridiagSetAMGRelaxType(void *, int);
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int hypre_BlockTridiagSetPrintLevel(void *, int);
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#endif
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