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
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lemon/path.h
Ignore white space 6 line context
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@@ -1015,18 +1015,20 @@
1015 1015 

			




	1016
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  /// \brief The source of a path


			




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  ///


			




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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) {


			




	1021
	
	
		
    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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	1024
	
		

			




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  /// \brief The target of a path


			




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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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  /// \brief Class which helps to iterate through the nodes of a path


			




        

    






    
    



    


    

     
    
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