Changeset - r798:f5f260a63a9b
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alpar (Alpar Juttner)
alpar@cs.elte.hu
Merge bugfix in #250
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1 file changed with 6 insertions and 4 deletions:
lemon/path.h
6
4
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lemon/path.h
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... ... 
@@ -1017,6 +1017,7 @@
1017 1017 
  ///
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  /// This function returns the source of the given path.
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  /// This function returns the source node of the given path.
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  /// If the path is empty, then it returns \c INVALID.
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  template <typename Digraph, typename Path>
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  typename Digraph::Node pathSource(const Digraph& digraph, const Path& path) {
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    return digraph.source(path.front());
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    return path.empty() ? INVALID : digraph.source(path.front());
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  }
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@@ -1025,6 +1026,7 @@
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  ///
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  /// This function returns the target of the given path.
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  /// This function returns the target node of the given path.
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  /// If the path is empty, then it returns \c INVALID.
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  template <typename Digraph, typename Path>
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  typename Digraph::Node pathTarget(const Digraph& digraph, const Path& path) {
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    return digraph.target(path.back());
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    return path.empty() ? INVALID : digraph.target(path.back());
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  }
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