src/lemon/bfs.h
changeset 1275 16980bf77bd3
parent 1236 fd24f16e0d73
child 1283 fc20371677b9
equal deleted inserted replaced
6:8874c6d87d89 7:ca9a90d96962
   133   ///The default traits class is
   133   ///The default traits class is
   134   ///\ref BfsDefaultTraits "BfsDefaultTraits<GR>".
   134   ///\ref BfsDefaultTraits "BfsDefaultTraits<GR>".
   135   ///See \ref BfsDefaultTraits for the documentation of
   135   ///See \ref BfsDefaultTraits for the documentation of
   136   ///a Bfs traits class.
   136   ///a Bfs traits class.
   137   ///
   137   ///
   138   ///\author Jacint Szabo and Alpar Juttner
   138   ///\author Alpar Juttner
   139   ///\todo A compare object would be nice.
   139   ///\todo A compare object would be nice.
   140 
   140 
   141 #ifdef DOXYGEN
   141 #ifdef DOXYGEN
   142   template <typename GR,
   142   template <typename GR,
   143 	    typename TR>
   143 	    typename TR>
   346     ///\brief \ref named-templ-param "Named parameter"
   346     ///\brief \ref named-templ-param "Named parameter"
   347     ///for setting the ProcessedMap type to be Graph::NodeMap<bool>.
   347     ///for setting the ProcessedMap type to be Graph::NodeMap<bool>.
   348     ///
   348     ///
   349     ///\ref named-templ-param "Named parameter"
   349     ///\ref named-templ-param "Named parameter"
   350     ///for setting the ProcessedMap type to be Graph::NodeMap<bool>.
   350     ///for setting the ProcessedMap type to be Graph::NodeMap<bool>.
   351     ///If you don't set it explicitely, it will be automatically allocated.
   351     ///If you don't set it explicitly, it will be automatically allocated.
   352     template <class T>
   352     template <class T>
   353     class DefProcessedMapToBeDefaultMap :
   353     class DefProcessedMapToBeDefaultMap :
   354       public Bfs< Graph,
   354       public Bfs< Graph,
   355 		  DefGraphProcessedMapTraits> { };
   355 		  DefGraphProcessedMapTraits> { };
   356     
   356     
   383 
   383 
   384     ///Sets the map storing the predecessor edges.
   384     ///Sets the map storing the predecessor edges.
   385 
   385 
   386     ///Sets the map storing the predecessor edges.
   386     ///Sets the map storing the predecessor edges.
   387     ///If you don't use this function before calling \ref run(),
   387     ///If you don't use this function before calling \ref run(),
   388     ///it will allocate one. The destuctor deallocates this
   388     ///it will allocate one. The destructor deallocates this
   389     ///automatically allocated map, of course.
   389     ///automatically allocated map, of course.
   390     ///\return <tt> (*this) </tt>
   390     ///\return <tt> (*this) </tt>
   391     Bfs &predMap(PredMap &m) 
   391     Bfs &predMap(PredMap &m) 
   392     {
   392     {
   393       if(local_pred) {
   393       if(local_pred) {
   400 
   400 
   401     ///Sets the map indicating the reached nodes.
   401     ///Sets the map indicating the reached nodes.
   402 
   402 
   403     ///Sets the map indicating the reached nodes.
   403     ///Sets the map indicating the reached nodes.
   404     ///If you don't use this function before calling \ref run(),
   404     ///If you don't use this function before calling \ref run(),
   405     ///it will allocate one. The destuctor deallocates this
   405     ///it will allocate one. The destructor deallocates this
   406     ///automatically allocated map, of course.
   406     ///automatically allocated map, of course.
   407     ///\return <tt> (*this) </tt>
   407     ///\return <tt> (*this) </tt>
   408     Bfs &reachedMap(ReachedMap &m) 
   408     Bfs &reachedMap(ReachedMap &m) 
   409     {
   409     {
   410       if(local_reached) {
   410       if(local_reached) {
   417 
   417 
   418     ///Sets the map indicating the processed nodes.
   418     ///Sets the map indicating the processed nodes.
   419 
   419 
   420     ///Sets the map indicating the processed nodes.
   420     ///Sets the map indicating the processed nodes.
   421     ///If you don't use this function before calling \ref run(),
   421     ///If you don't use this function before calling \ref run(),
   422     ///it will allocate one. The destuctor deallocates this
   422     ///it will allocate one. The destructor deallocates this
   423     ///automatically allocated map, of course.
   423     ///automatically allocated map, of course.
   424     ///\return <tt> (*this) </tt>
   424     ///\return <tt> (*this) </tt>
   425     Bfs &processedMap(ProcessedMap &m) 
   425     Bfs &processedMap(ProcessedMap &m) 
   426     {
   426     {
   427       if(local_processed) {
   427       if(local_processed) {
   434 
   434 
   435 //     ///Sets the map storing the predecessor nodes.
   435 //     ///Sets the map storing the predecessor nodes.
   436 
   436 
   437 //     ///Sets the map storing the predecessor nodes.
   437 //     ///Sets the map storing the predecessor nodes.
   438 //     ///If you don't use this function before calling \ref run(),
   438 //     ///If you don't use this function before calling \ref run(),
   439 //     ///it will allocate one. The destuctor deallocates this
   439 //     ///it will allocate one. The destructor deallocates this
   440 //     ///automatically allocated map, of course.
   440 //     ///automatically allocated map, of course.
   441 //     ///\return <tt> (*this) </tt>
   441 //     ///\return <tt> (*this) </tt>
   442 //     Bfs &predNodeMap(PredNodeMap &m) 
   442 //     Bfs &predNodeMap(PredNodeMap &m) 
   443 //     {
   443 //     {
   444 //       if(local_predNode) {
   444 //       if(local_predNode) {
   451 
   451 
   452     ///Sets the map storing the distances calculated by the algorithm.
   452     ///Sets the map storing the distances calculated by the algorithm.
   453 
   453 
   454     ///Sets the map storing the distances calculated by the algorithm.
   454     ///Sets the map storing the distances calculated by the algorithm.
   455     ///If you don't use this function before calling \ref run(),
   455     ///If you don't use this function before calling \ref run(),
   456     ///it will allocate one. The destuctor deallocates this
   456     ///it will allocate one. The destructor deallocates this
   457     ///automatically allocated map, of course.
   457     ///automatically allocated map, of course.
   458     ///\return <tt> (*this) </tt>
   458     ///\return <tt> (*this) </tt>
   459     Bfs &distMap(DistMap &m) 
   459     Bfs &distMap(DistMap &m) 
   460     {
   460     {
   461       if(local_dist) {
   461       if(local_dist) {
   656     ///The distance of a node from the root(s).
   656     ///The distance of a node from the root(s).
   657 
   657 
   658     ///Returns the distance of a node from the root(s).
   658     ///Returns the distance of a node from the root(s).
   659     ///\pre \ref run() must be called before using this function.
   659     ///\pre \ref run() must be called before using this function.
   660     ///\warning If node \c v in unreachable from the root(s) the return value
   660     ///\warning If node \c v in unreachable from the root(s) the return value
   661     ///of this funcion is undefined.
   661     ///of this function is undefined.
   662     int dist(Node v) const { return (*_dist)[v]; }
   662     int dist(Node v) const { return (*_dist)[v]; }
   663 
   663 
   664     ///Returns the 'previous edge' of the shortest path tree.
   664     ///Returns the 'previous edge' of the shortest path tree.
   665 
   665 
   666     ///For a node \c v it returns the 'previous edge'
   666     ///For a node \c v it returns the 'previous edge'
   713 //     const PredNodeMap &predNodeMap() const { return *_predNode;}
   713 //     const PredNodeMap &predNodeMap() const { return *_predNode;}
   714 
   714 
   715     ///Checks if a node is reachable from the root.
   715     ///Checks if a node is reachable from the root.
   716 
   716 
   717     ///Returns \c true if \c v is reachable from the root.
   717     ///Returns \c true if \c v is reachable from the root.
   718     ///\warning The source nodes are inditated as unreached.
   718     ///\warning The source nodes are indicated as unreached.
   719     ///\pre Either \ref run() or \ref start()
   719     ///\pre Either \ref run() or \ref start()
   720     ///must be called before using this function.
   720     ///must be called before using this function.
   721     ///
   721     ///
   722     bool reached(Node v) { return (*_reached)[v]; }
   722     bool reached(Node v) { return (*_reached)[v]; }
   723     
   723