graphElements.cpp

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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.             *
 ***************************************************************************/
#include <iostream>
#include <sstream>

#include <agrum/agrum.h>

#include <agrum/graphs/graphElements.h>

#ifdef GUM_NO_INLINE
#  include <agrum/graphs/graphElements_inl.h>
#endif /* GUM_NO_INLINE */

#ifndef DOXYGEN_SHOULD_SKIP_THIS

namespace gum {

  // we need to provide hash functions for some Edge and Arc


  std::ostream& operator<<(std::ostream& stream, const Edge& edge) {
    return (stream << edge.first() << "--" << edge.second());
  }


  std::ostream& operator<<(std::ostream& stream, const Arc& arc) {
    return (stream << arc.first() << "->" << arc.second());
  }

} /* namespace gum */

#  ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
template class gum::HashFunc< gum::NodeSet >;
#  endif

#endif /* DOXYGEN_SHOULD_SKIP_THIS */