hypre/seq_mv/csr_matrix.h
2008-07-18 01:34:48 +00:00

94 lines
3.2 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*/
/******************************************************************************
*
* Header info for CSR Matrix data structures
*
* Note: this matrix currently uses 0-based indexing.
*
*****************************************************************************/
#ifndef hypre_CSR_MATRIX_HEADER
#define hypre_CSR_MATRIX_HEADER
/*--------------------------------------------------------------------------
* CSR Matrix
*--------------------------------------------------------------------------*/
typedef struct
{
double *data;
int *i;
int *j;
int num_rows;
int num_cols;
int num_nonzeros;
/* for compressing rows in matrix multiplication */
int *rownnz;
int num_rownnz;
/* Does the CSRMatrix create/destroy `data', `i', `j'? */
int owns_data;
} hypre_CSRMatrix;
/*--------------------------------------------------------------------------
* Accessor functions for the CSR Matrix structure
*--------------------------------------------------------------------------*/
#define hypre_CSRMatrixData(matrix) ((matrix) -> data)
#define hypre_CSRMatrixI(matrix) ((matrix) -> i)
#define hypre_CSRMatrixJ(matrix) ((matrix) -> j)
#define hypre_CSRMatrixNumRows(matrix) ((matrix) -> num_rows)
#define hypre_CSRMatrixNumCols(matrix) ((matrix) -> num_cols)
#define hypre_CSRMatrixNumNonzeros(matrix) ((matrix) -> num_nonzeros)
#define hypre_CSRMatrixRownnz(matrix) ((matrix) -> rownnz)
#define hypre_CSRMatrixNumRownnz(matrix) ((matrix) -> num_rownnz)
#define hypre_CSRMatrixOwnsData(matrix) ((matrix) -> owns_data)
/*--------------------------------------------------------------------------
* CSR Boolean Matrix
*--------------------------------------------------------------------------*/
typedef struct
{
int *i;
int *j;
int num_rows;
int num_cols;
int num_nonzeros;
int owns_data;
} hypre_CSRBooleanMatrix;
/*--------------------------------------------------------------------------
* Accessor functions for the CSR Boolean Matrix structure
*--------------------------------------------------------------------------*/
#define hypre_CSRBooleanMatrix_Get_I(matrix) ((matrix)->i)
#define hypre_CSRBooleanMatrix_Get_J(matrix) ((matrix)->j)
#define hypre_CSRBooleanMatrix_Get_NRows(matrix) ((matrix)->num_rows)
#define hypre_CSRBooleanMatrix_Get_NCols(matrix) ((matrix)->num_cols)
#define hypre_CSRBooleanMatrix_Get_NNZ(matrix) ((matrix)->num_nonzeros)
#define hypre_CSRBooleanMatrix_Get_OwnsData(matrix) ((matrix)->owns_data)
#endif