src/hugo/dijkstra.h
changeset 797 a76d8d52b25c
parent 780 e06d0d16595f
child 802 bc0c74eeb151
equal deleted inserted replaced
13:4c499c076a2a 14:90ef8b5a4b03
    85     bool local_distance;
    85     bool local_distance;
    86 
    86 
    87     //The source node of the last execution.
    87     //The source node of the last execution.
    88     Node source;
    88     Node source;
    89 
    89 
    90     ///Initialize maps
    90     ///Initializes the maps.
    91     
    91     
    92     ///\todo Error if \c G or are \c NULL. What about \c length?
    92     ///\todo Error if \c G or are \c NULL. What about \c length?
    93     ///\todo Better memory allocation (instead of new).
    93     ///\todo Better memory allocation (instead of new).
    94     void init_maps() 
    94     void init_maps() 
    95     {
    95     {
   130 
   130 
   131     ///Sets the graph the algorithm will run on.
   131     ///Sets the graph the algorithm will run on.
   132 
   132 
   133     ///Sets the graph the algorithm will run on.
   133     ///Sets the graph the algorithm will run on.
   134     ///\return <tt> (*this) </tt>
   134     ///\return <tt> (*this) </tt>
       
   135     ///\bug What about maps?
       
   136     ///\todo It may be unnecessary
   135     Dijkstra &setGraph(const Graph &_G) 
   137     Dijkstra &setGraph(const Graph &_G) 
   136     {
   138     {
   137       G = &_G;
   139       G = &_G;
   138       return *this;
   140       return *this;
   139     }
   141     }
   271     ValueType dist(Node v) const { return (*distance)[v]; }
   273     ValueType dist(Node v) const { return (*distance)[v]; }
   272 
   274 
   273     ///Returns the 'previous edge' of the shortest path tree.
   275     ///Returns the 'previous edge' of the shortest path tree.
   274 
   276 
   275     ///For a node \c v it returns the 'previous edge' of the shortest path tree,
   277     ///For a node \c v it returns the 'previous edge' of the shortest path tree,
   276     ///i.e. it returns the last edge from a shortest path from the root to \c
   278     ///i.e. it returns the last edge of a shortest path from the root to \c
   277     ///v. It is \ref INVALID
   279     ///v. It is \ref INVALID
   278     ///if \c v is unreachable from the root or if \c v=s. The
   280     ///if \c v is unreachable from the root or if \c v=s. The
   279     ///shortest path tree used here is equal to the shortest path tree used in
   281     ///shortest path tree used here is equal to the shortest path tree used in
   280     ///\ref predNode(Node v).  \pre \ref run() must be called before using
   282     ///\ref predNode(Node v).  \pre \ref run() must be called before using
   281     ///this function.
   283     ///this function.
   320     ///
   322     ///
   321     bool reached(Node v) { return v==source || (*predecessor)[v]!=INVALID; }
   323     bool reached(Node v) { return v==source || (*predecessor)[v]!=INVALID; }
   322     
   324     
   323   };
   325   };
   324   
   326   
   325 
       
   326   // **********************************************************************
       
   327   //  IMPLEMENTATIONS
       
   328   // **********************************************************************
       
   329 
       
   330 /// @}
   327 /// @}
   331   
   328   
   332 } //END OF NAMESPACE HUGO
   329 } //END OF NAMESPACE HUGO
   333 
   330 
   334 #endif
   331 #endif