spanningForest.h

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/***************************************************************************
 *   Copyright (C) 2005 by Christophe GONZALES and Pierre-Henri WUILLEMIN  *
 *   {prenom.nom}_at_lip6.fr                                               *
 *                                                                         *
 *   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 of the License, 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.             *
 ***************************************************************************/
#ifndef GUM_SPANNING_FOREST_H
#define GUM_SPANNING_FOREST_H
#include <agrum/agrum.h>

#include <agrum/graphs/graphElements.h>
#include <agrum/graphs/undiGraph.h>

namespace gum {

  /* ===========================================================================
   */
  /* ===========================================================================
   */
  class SpanningForest {
    public:
    // ############################################################################
    // ############################################################################

    virtual ~SpanningForest();


    // ############################################################################
    // ############################################################################


    virtual const EdgeSet& edgesInSpanningForest() = 0;


    virtual const UndiGraph& spanningForest() = 0;


    virtual float costOfSpanningForest() = 0;


    protected:
    // ############################################################################
    // ############################################################################


    SpanningForest();

    SpanningForest(const SpanningForest& toCopy);


    SpanningForest& operator=(const SpanningForest& toCopy);

  };

} /* namespace gum */

#endif /* GUM_SPANNING_FOREST_H */