/home/vivien/public_html/.src_seldon/computation/interfaces/direct/Cholmod.hxx

// Copyright (C) 2010 Marc Duruflé
//
// This file is part of the linear-algebra library Seldon,
// http://seldon.sourceforge.net/.
//
// Seldon 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.
//
// Seldon 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 Seldon. If not, see http://www.gnu.org/licenses/.


#ifndef SELDON_FILE_CHOLMOD_HXX

extern "C"
{
#include "cholmod.h"
}


namespace Seldon
{

  class MatrixCholmod
  {
  protected :
    cholmod_common param_chol;
    cholmod_factor* L;
    cholmod_sparse* Lsparse;
    int n;

  public :
    MatrixCholmod();
    ~MatrixCholmod();

    void Clear();

    void HideMessages();
    void ShowMessages();
    void ShowFullHistory();

    template<class Prop, class Storage, class Allocator>
    void FactorizeMatrix(Matrix<double, Prop, Storage, Allocator> & mat,
                         bool keep_matrix = false);

    template<class Transpose_status, class Allocator>
    void Solve(const Transpose_status& TransA,
               Vector<double, VectFull, Allocator>& x);

    template<class Transpose_status, class Allocator>
    void Mlt(const Transpose_status& TransA,
             Vector<double, VectFull, Allocator>& x);

  };

}

#define SELDON_FILE_CHOLMOD_HXX
#endif