58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
/*BHEADER**********************************************************************
|
|
* Copyright (c) 2008, Lawrence Livermore National Security, LLC.
|
|
* Produced at the Lawrence Livermore National Laboratory.
|
|
* This file is part of HYPRE. See file COPYRIGHT for details.
|
|
*
|
|
* HYPRE is free software; you can redistribute it and/or modify it under the
|
|
* terms of the GNU Lesser General Public License (as published by the Free
|
|
* Software Foundation) version 2.1 dated February 1999.
|
|
*
|
|
* $Revision$
|
|
***********************************************************************EHEADER*/
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef hypre_BLOCKTRIDIAG_HEADER
|
|
#define hypre_BLOCKTRIDIAG_HEADER
|
|
|
|
#include "parcsr_mv/_hypre_parcsr_mv.h"
|
|
#include "parcsr_ls/_hypre_parcsr_ls.h"
|
|
|
|
/*--------------------------------------------------------------------------
|
|
* hypre_BlockTridiag
|
|
*--------------------------------------------------------------------------*/
|
|
|
|
typedef struct
|
|
{
|
|
int num_sweeps;
|
|
int relax_type;
|
|
int *index_set1, *index_set2;
|
|
int print_level;
|
|
double threshold;
|
|
hypre_ParCSRMatrix *A11, *A21, *A22;
|
|
hypre_ParVector *F1, *U1, *F2, *U2;
|
|
HYPRE_Solver precon1, precon2;
|
|
|
|
} hypre_BlockTridiagData;
|
|
|
|
/*--------------------------------------------------------------------------
|
|
* functions for hypre_BlockTridiag
|
|
*--------------------------------------------------------------------------*/
|
|
|
|
void *hypre_BlockTridiagCreate();
|
|
int hypre_BlockTridiagDestroy(void *);
|
|
int hypre_BlockTridiagSetup(void * , hypre_ParCSRMatrix *,
|
|
hypre_ParVector *, hypre_ParVector *);
|
|
int hypre_BlockTridiagSolve(void * , hypre_ParCSRMatrix *,
|
|
hypre_ParVector *, hypre_ParVector *);
|
|
int hypre_BlockTridiagSetIndexSet(void *, int, int *);
|
|
int hypre_BlockTridiagSetAMGStrengthThreshold(void *, double);
|
|
int hypre_BlockTridiagSetAMGNumSweeps(void *, int);
|
|
int hypre_BlockTridiagSetAMGRelaxType(void *, int);
|
|
int hypre_BlockTridiagSetPrintLevel(void *, int);
|
|
|
|
#endif
|
|
|