Graph_traits_extension.h

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// Copyright (c) 2012-2019 University of Lyon and CNRS (France).
// All rights reserved.
//
// This file is part of MEPP2; 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 3 of
// the License, or (at your option) any later version.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#pragma once
 
#include <boost/graph/graph_traits.hpp>
#include <iterator> // for std::distance
 
namespace FEVV {
 
 
template< typename MeshT >
typename boost::graph_traits< MeshT >::vertices_size_type
size_of_vertices(const MeshT &g)
{
  return (typename boost::graph_traits< MeshT >::vertices_size_type)
      std::distance(vertices(g).first, vertices(g).second);
}
 
 
template< typename MeshT >
typename boost::graph_traits< MeshT >::edges_size_type
size_of_edges(const MeshT &g)
{
  return (typename boost::graph_traits< MeshT >::edges_size_type)std::distance(
      edges(g).first, edges(g).second);
}
 
 
template< typename MeshT >
typename boost::graph_traits< MeshT >::halfedges_size_type
size_of_halfedges(const MeshT &g)
{
  return (typename boost::graph_traits< MeshT >::halfedges_size_type)
      std::distance(halfedges(g).first, halfedges(g).second);
}
 
 
template< typename MeshT >
typename boost::graph_traits< MeshT >::faces_size_type
size_of_faces(const MeshT &g)
{
  return (typename boost::graph_traits< MeshT >::faces_size_type)std::distance(
      faces(g).first, faces(g).second);
}
 
 
} // namespace FEVV