100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/*BHEADER**********************************************************************
|
|
* (c) 1997 The Regents of the University of California
|
|
*
|
|
* See the file COPYRIGHT_and_DISCLAIMER for a complete copyright
|
|
* notice, contact person, and disclaimer.
|
|
*
|
|
* $Revision$
|
|
*********************************************************************EHEADER*/
|
|
/******************************************************************************
|
|
*
|
|
* HYPRE_CSRMatrix interface
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#include "headers.h"
|
|
|
|
/*--------------------------------------------------------------------------
|
|
* HYPRE_CSRMatrixCreate
|
|
*--------------------------------------------------------------------------*/
|
|
|
|
HYPRE_CSRMatrix
|
|
HYPRE_CSRMatrixCreate( int num_rows,
|
|
int num_cols,
|
|
int *row_sizes )
|
|
{
|
|
hypre_CSRMatrix *matrix;
|
|
int *matrix_i;
|
|
int i;
|
|
|
|
matrix_i = hypre_CTAlloc(int, num_rows + 1);
|
|
matrix_i[0] = 0;
|
|
for (i = 0; i < num_rows; i++)
|
|
{
|
|
matrix_i[i+1] = matrix_i[i] + row_sizes[i];
|
|
}
|
|
|
|
matrix = hypre_CSRMatrixCreate(num_rows, num_cols, matrix_i[num_rows]);
|
|
hypre_CSRMatrixI(matrix) = matrix_i;
|
|
|
|
return ( (HYPRE_CSRMatrix) matrix );
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------
|
|
* HYPRE_CSRMatrixDestroy
|
|
*--------------------------------------------------------------------------*/
|
|
|
|
int
|
|
HYPRE_CSRMatrixDestroy( HYPRE_CSRMatrix matrix )
|
|
{
|
|
return( hypre_CSRMatrixDestroy( (hypre_CSRMatrix *) matrix ) );
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------
|
|
* HYPRE_CSRMatrixInitialize
|
|
*--------------------------------------------------------------------------*/
|
|
|
|
int
|
|
HYPRE_CSRMatrixInitialize( HYPRE_CSRMatrix matrix )
|
|
{
|
|
return ( hypre_CSRMatrixInitialize( (hypre_CSRMatrix *) matrix ) );
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------
|
|
* HYPRE_CSRMatrixRead
|
|
*--------------------------------------------------------------------------*/
|
|
|
|
HYPRE_CSRMatrix
|
|
HYPRE_CSRMatrixRead( char *file_name )
|
|
{
|
|
return ( (HYPRE_CSRMatrix) hypre_CSRMatrixRead( file_name ) );
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------
|
|
* HYPRE_CSRMatrixPrint
|
|
*--------------------------------------------------------------------------*/
|
|
|
|
void
|
|
HYPRE_CSRMatrixPrint( HYPRE_CSRMatrix matrix,
|
|
char *file_name )
|
|
{
|
|
hypre_CSRMatrixPrint( (hypre_CSRMatrix *) matrix,
|
|
file_name );
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------
|
|
* HYPRE_CSRMatrixGetNumRows
|
|
*--------------------------------------------------------------------------*/
|
|
|
|
int
|
|
HYPRE_CSRMatrixGetNumRows( HYPRE_CSRMatrix matrix, int *num_rows )
|
|
{
|
|
hypre_CSRMatrix *csr_matrix = (hypre_CSRMatrix *) matrix;
|
|
|
|
*num_rows = hypre_CSRMatrixNumRows( csr_matrix );
|
|
|
|
return 0;
|
|
}
|
|
|
|
|