Changeset - r194:74cd0c58b348
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kpeter (Peter Kovacs)
kpeter@inf.elte.hu
Doc improvements for kruskal()
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1 file changed with 23 insertions and 19 deletions:
lemon/kruskal.h
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lemon/kruskal.h
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///\ingroup spantree
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///\file
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///\brief Kruskal's algorithm to compute a minimum cost tree
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///\brief Kruskal's algorithm to compute a minimum cost spanning tree
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///
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///Kruskal's algorithm to compute a minimum cost tree.
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///Kruskal's algorithm to compute a minimum cost spanning tree.
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///
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  /// \ingroup spantree


			




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  ///


			




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  /// \brief Kruskal's algorithm to find a minimum cost tree of a graph.


			




	
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  /// \brief Kruskal algorithm to find a minimum cost spanning tree of


			




	
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  /// a graph.


			




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  ///


			




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  /// This function runs Kruskal's algorithm to find a minimum cost tree.


			




	
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  /// This function runs Kruskal's algorithm to find a minimum cost 


			




	
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  /// spanning tree.


			




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  /// Due to some C++ hacking, it accepts various input and output types.


			




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  ///


			




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  /// undirected by disregarding the direction of the arcs.


			




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  ///


			




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  /// \param in This object is used to describe the arc costs. It can be one


			




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  /// of the following choices.


			




	
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  /// \param in This object is used to describe the arc/edge costs. 


			




	
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  /// It can be one of the following choices.


			




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  /// - An STL compatible 'Forward Container' with


			




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  /// <tt>std::pair<GR::Edge,X></tt> or


			




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  /// <tt>std::pair<GR::Arc,X></tt> as its <tt>value_type</tt>, where


			




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  /// \c X is the type of the costs. The pairs indicates the arcs


			




	
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  /// <tt>std::pair<GR::Arc,X></tt> or


			




	
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  /// <tt>std::pair<GR::Edge,X></tt> as its <tt>value_type</tt>, where


			




	
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  /// \c X is the type of the costs. The pairs indicates the arcs/edges


			




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  /// along with the assigned cost. <em>They must be in a


			




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  /// cost-ascending order.</em>


			




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  /// - Any readable Arc map. The values of the map indicate the arc costs.


			




	
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  /// - Any readable arc/edge map. The values of the map indicate the 


			




	
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  /// arc/edge costs.


			




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  ///


			




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  /// \retval out Here we also have a choise.


			




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  /// - It can be a writable \c bool arc map.  After running the


			




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  /// algorithm this will contain the found minimum cost spanning


			




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  /// tree: the value of an arc will be set to \c true if it belongs


			




	
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  /// \retval out Here we also have a choice.


			




	
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  /// - It can be a writable \c bool arc/edge map. After running the


			




	
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  /// algorithm it will contain the found minimum cost spanning


			




	
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  /// tree: the value of an arc/edge will be set to \c true if it belongs


			




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  /// to the tree, otherwise it will be set to \c false. The value of


			




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  /// each arc will be set exactly once.


			




	
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  /// each arc/edge will be set exactly once.


			




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  /// - It can also be an iteraror of an STL Container with


			




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  /// <tt>GR::Edge</tt> or <tt>GR::Arc</tt> as its


			




	
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  /// <tt>GR::Arc</tt> or <tt>GR::Edge</tt> as its


			




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  /// <tt>value_type</tt>.  The algorithm copies the elements of the


			




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  /// found tree into this sequence.  For example, if we know that the


			




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  /// Or if we don't know in advance the size of the tree, we can


			




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  /// write this.  


			




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  ///\code std::vector<Arc> tree;


			




	
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  ///\code


			




	
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  /// std::vector<Arc> tree;


			




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  /// kruskal(g,cost,std::back_inserter(tree)); 


			




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  ///\endcode


			




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  ///


			




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  /// \return The total cost of the found tree.


			




	
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  /// \return The total cost of the found spanning tree.


			




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  ///


			




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  /// \warning If kruskal runs on an be consistent of using the same


			




	
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  /// \warning If Kruskal runs on an be consistent of using the same


			




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  /// Arc type for input and output.


			




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  ///


			




        

    






    
    



    


    

     
    
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