boost/graph/point_traits.hpp

0001 // Copyright 2004, 2005 The Trustees of Indiana University.
0002
0003 // Use, modification and distribution is subject to the Boost Software
0004 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0005 // http://www.boost.org/LICENSE_1_0.txt)
0006
0007 //  Authors: Douglas Gregor
0008 //           Andrew Lumsdaine
0009 #ifndef BOOST_GRAPH_POINT_TRAITS_HPP
0010 #define BOOST_GRAPH_POINT_TRAITS_HPP
0011
0012 namespace boost
0013 {
0014 namespace graph
0015 {
0016
0017     template < typename Point > struct point_traits
0018     {
0019         // The type of each component of the point
0020         typedef typename Point::component_type component_type;
0021
0022         // The number of dimensions in the point
0023         static std::size_t dimensions(const Point& point);
0024     };
0025
0026 }
0027 } // end namespace boost::graph
0028
0029 #endif // BOOST_GRAPH_POINT_TRAITS_HPP