blas_dh.h

/*@HEADER
// ***********************************************************************
//
//       Ifpack: Object-Oriented Algebraic Preconditioner Package
//                 Copyright (2009) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library 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; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
*/

#ifndef THREADED_BLAS_DH
#define THREADED_BLAS_DH

/* notes: 1. for mpi MatVec, see "Mat_dhMatvec()" in Mat_dh.h
          2. MPI calls use MPI_COMM_WORLD for the communicator,
             where applicable.
*/

#include "euclid_common.h"

#ifdef SEQUENTIAL_MODE
#define MatVec       matvec_euclid_seq
#endif

#ifdef __cplusplus
extern "C"
{
#endif

  extern void matvec_euclid_seq (int n, int *rp, int *cval, double *aval,
                 double *x, double *y);
  extern double InnerProd (int local_n, double *x, double *y);
  extern double Norm2 (int local_n, double *x);
  extern void Axpy (int n, double alpha, double *x, double *y);
  extern double Norm2 (int n, double *x);
  extern void CopyVec (int n, double *xIN, double *yOUT);
  extern void ScaleVec (int n, double alpha, double *x);

#ifdef __cplusplus
}
#endif

#endif