PETScMatrix.hpp

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//  This file is part of ff3d - http://www.freefem.org/ff3d
//  Copyright (C) 2001, 2002, 2003 Stéphane Del Pino

//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2, or (at your option)
//  any later version.

//  This program 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 General Public License for more details.

//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

//  $Id: PETScMatrix.hpp,v 1.1 2005/05/08 22:05:17 delpinux Exp $

#include <config.h>

#ifdef HAVE_PETSC

#ifndef PETSC_MATRIX_HPP
#define PETSC_MATRIX_HPP

#include <BaseMatrix.hpp>
#include <DoubleHashedMatrix.hpp>

extern "C"
{
#include <petscksp.h>
}

class PETScMatrix
  : public BaseMatrix
{
private:
  Mat* __petscMatrix;

public:
  const Mat& mat() const
  {
    return *__petscMatrix;
  }

  void getDiagonal(BaseVector& X) const
  {
    throw ErrorHandler(__FILE__, __LINE__,
                       "not implemented",
                       ErrorHandler::unexpected);
  }
  
  void transposedTimesX(const BaseVector& X, BaseVector& Z) const
  {
    throw ErrorHandler(__FILE__, __LINE__,
                       "not implemented",
                       ErrorHandler::unexpected);
  }

  void timesX(const BaseVector& X,
              BaseVector& Z) const;


  PETScMatrix(const DoubleHashedMatrix& A);
  ~PETScMatrix();
};

#endif // PETSC_MATRIX_HPP
#endif // HAVE_PETSC

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