hypre/multivector/csr_matmultivec.h
2008-07-18 01:34:48 +00:00

52 lines
1.7 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 CSR_MULTIMATVEC_H
#define CSR_MULTIMATVEC_H
#include "seq_mv.h"
#include "seq_multivector.h"
#ifdef __cplusplus
extern "C" {
#endif
/*--------------------------------------------------------------------------
* hypre_CSRMatrixMatMultivec
*--------------------------------------------------------------------------*/
int
hypre_CSRMatrixMatMultivec(double alpha, hypre_CSRMatrix *A,
hypre_Multivector *x, double beta,
hypre_Multivector *y);
/*--------------------------------------------------------------------------
* hypre_CSRMatrixMultiMatvecT
*
* Performs y <- alpha * A^T * x + beta * y
*
* From Van Henson's modification of hypre_CSRMatrixMatvec.
*--------------------------------------------------------------------------*/
int
hypre_CSRMatrixMatMultivecT(double alpha, hypre_CSRMatrix *A,
hypre_Multivector *x, double beta,
hypre_Multivector *y);
#ifdef __cplusplus
}
#endif
#endif /* CSR_MATMULTIVEC_H */