hypre/distributed_matrix/distributed_matrix_parcsr.c
1999-09-25 01:06:53 +00:00

127 lines
4.2 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*/
/******************************************************************************
*
* Member functions for hypre_DistributedMatrix class for par_csr storage scheme.
*
*****************************************************************************/
#include "./distributed_matrix.h"
#include "HYPRE_parcsr_mv.h"
/*--------------------------------------------------------------------------
* hypre_DistributedMatrixDestroyParCSR
* Internal routine for freeing a matrix stored in Parcsr form.
*--------------------------------------------------------------------------*/
int
hypre_DistributedMatrixDestroyParCSR( hypre_DistributedMatrix *distributed_matrix )
{
return(0);
}
/*--------------------------------------------------------------------------
* hypre_DistributedMatrixInitializeParCSR
*--------------------------------------------------------------------------*/
/* matrix must be set before calling this function*/
int
hypre_DistributedMatrixInitializeParCSR(hypre_DistributedMatrix *matrix)
{
return 0;
}
/*--------------------------------------------------------------------------
* Optional routines that depend on underlying storage type
*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------
* hypre_DistributedMatrixPrintParCSR
* Internal routine for printing a matrix stored in Parcsr form.
*--------------------------------------------------------------------------*/
int
hypre_DistributedMatrixPrintParCSR( hypre_DistributedMatrix *matrix )
{
int ierr=0;
HYPRE_ParCSRMatrix Parcsr_matrix = (HYPRE_ParCSRMatrix) hypre_DistributedMatrixLocalStorage(matrix);
HYPRE_ParCSRMatrixPrint( Parcsr_matrix, "STDOUT" );
return(ierr);
}
/*--------------------------------------------------------------------------
* hypre_DistributedMatrixGetLocalRangeParCSR
*--------------------------------------------------------------------------*/
int
hypre_DistributedMatrixGetLocalRangeParCSR( hypre_DistributedMatrix *matrix,
int *row_start,
int *row_end,
int *col_start,
int *col_end )
{
int ierr=0;
HYPRE_ParCSRMatrix Parcsr_matrix = (HYPRE_ParCSRMatrix) hypre_DistributedMatrixLocalStorage(matrix);
if (!Parcsr_matrix) return(-1);
ierr = HYPRE_ParCSRMatrixGetLocalRange( Parcsr_matrix, row_start, row_end,
col_start, col_end );
return(ierr);
}
/*--------------------------------------------------------------------------
* hypre_DistributedMatrixGetRowParCSR
*--------------------------------------------------------------------------*/
int
hypre_DistributedMatrixGetRowParCSR( hypre_DistributedMatrix *matrix,
int row,
int *size,
int **col_ind,
double **values )
{
int ierr = 0;
HYPRE_ParCSRMatrix Parcsr_matrix = (HYPRE_ParCSRMatrix) hypre_DistributedMatrixLocalStorage(matrix);
if (!Parcsr_matrix) return(-1);
ierr = HYPRE_ParCSRMatrixGetRow( Parcsr_matrix, row, size, col_ind, values);
return(ierr);
}
/*--------------------------------------------------------------------------
* hypre_DistributedMatrixRestoreRowParCSR
*--------------------------------------------------------------------------*/
int
hypre_DistributedMatrixRestoreRowParCSR( hypre_DistributedMatrix *matrix,
int row,
int *size,
int **col_ind,
double **values )
{
int ierr;
HYPRE_ParCSRMatrix Parcsr_matrix = (HYPRE_ParCSRMatrix) hypre_DistributedMatrixLocalStorage(matrix);
if (Parcsr_matrix == NULL) return(-1);
ierr = HYPRE_ParCSRMatrixRestoreRow( Parcsr_matrix, row, size, col_ind, values);
return(ierr);
}