COIN-OR::LEMON - Graph Library

Changes in / [751:f5f260a63a9b:750:b7e3662faf02] in lemon-1.2


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  • lemon/path.h

    r751 r559  
    10161016  /// \brief The source of a path
    10171017  ///
    1018   /// This function returns the source node of the given path.
    1019   /// If the path is empty, then it returns \c INVALID.
     1018  /// This function returns the source of the given path.
    10201019  template <typename Digraph, typename Path>
    10211020  typename Digraph::Node pathSource(const Digraph& digraph, const Path& path) {
    1022     return path.empty() ? INVALID : digraph.source(path.front());
     1021    return digraph.source(path.front());
    10231022  }
    10241023
    10251024  /// \brief The target of a path
    10261025  ///
    1027   /// This function returns the target node of the given path.
    1028   /// If the path is empty, then it returns \c INVALID.
     1026  /// This function returns the target of the given path.
    10291027  template <typename Digraph, typename Path>
    10301028  typename Digraph::Node pathTarget(const Digraph& digraph, const Path& path) {
    1031     return path.empty() ? INVALID : digraph.target(path.back());
     1029    return digraph.target(path.back());
    10321030  }
    10331031
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