src/work/marci/bipartite_graph_wrapper.h
changeset 814 d2d747fe1db3
parent 762 511200bdb71f
child 902 309d81806228
equal deleted inserted replaced
13:5580325b9c5a 14:20947591d33b
    28   /// graph or a directed graph with edges oriented from S to T.
    28   /// graph or a directed graph with edges oriented from S to T.
    29   ///
    29   ///
    30   /// \author Marton Makai
    30   /// \author Marton Makai
    31   template<typename Graph> 
    31   template<typename Graph> 
    32   class BipartiteGraphWrapper : public GraphWrapper<Graph> {
    32   class BipartiteGraphWrapper : public GraphWrapper<Graph> {
    33   protected:
    33   public:
    34     typedef IterableBoolMap< typename Graph::template NodeMap<int> > 
    34     typedef IterableBoolMap< typename Graph::template NodeMap<int> > 
    35     SFalseTTrueMap;
    35     SFalseTTrueMap;
       
    36   protected:
    36     SFalseTTrueMap* s_false_t_true_map;
    37     SFalseTTrueMap* s_false_t_true_map;
    37 
    38 
    38     BipartiteGraphWrapper() : GraphWrapper<Graph>()/*, 
    39     BipartiteGraphWrapper() : GraphWrapper<Graph>()/*, 
    39 						     S_CLASS(false), T_CLASS(true)*/ { }
    40 						     S_CLASS(false), T_CLASS(true)*/ { }
    40     void setSFalseTTrueMap(SFalseTTrueMap& _s_false_t_true_map) { 
    41     void setSFalseTTrueMap(SFalseTTrueMap& _s_false_t_true_map) { 
    44   public:
    45   public:
    45     //marci
    46     //marci
    46     //FIXME vhogy igy kellene, csak az en forditom nem eszi meg
    47     //FIXME vhogy igy kellene, csak az en forditom nem eszi meg
    47     static const bool S_CLASS;
    48     static const bool S_CLASS;
    48     static const bool T_CLASS;
    49     static const bool T_CLASS;
       
    50 
       
    51     /// This method is to reach the iterable maps of the bipartite graph or 
       
    52     /// bipartite graph wrapper.
       
    53     const SFalseTTrueMap& sFalseTTrueMap() const { 
       
    54       return *s_false_t_true_map; 
       
    55     }
    49     
    56     
    50     //bool S_CLASS;
    57     //bool S_CLASS;
    51     //bool T_CLASS;
    58     //bool T_CLASS;
    52 
    59 
    53     BipartiteGraphWrapper(Graph& _graph, SFalseTTrueMap& _s_false_t_true_map) 
    60     BipartiteGraphWrapper(Graph& _graph, SFalseTTrueMap& _s_false_t_true_map) 
   209   ///
   216   ///
   210   ///\bug experimental. Do not use this while the bipartitemap augmentation 
   217   ///\bug experimental. Do not use this while the bipartitemap augmentation 
   211   /// does not work well.
   218   /// does not work well.
   212   template<typename Graph>
   219   template<typename Graph>
   213   class BipartiteGraph : public BipartiteGraphWrapper<Graph> {
   220   class BipartiteGraph : public BipartiteGraphWrapper<Graph> {
   214     typedef IterableBoolMap< typename Graph::template NodeMap<int> > 
   221 //     typedef IterableBoolMap< typename Graph::template NodeMap<int> > 
   215     SFalseTTrueMap;
   222 //     SFalseTTrueMap;
   216     typedef BipartiteGraphWrapper<Graph> Parent;
   223     typedef BipartiteGraphWrapper<Graph> Parent;
   217   protected:
   224   protected:
   218     Graph gr;
   225     Graph gr;
   219     typename Graph::template NodeMap<int> bipartite_map;
   226     typename Graph::template NodeMap<int> bipartite_map;
   220     SFalseTTrueMap s_false_t_true_map;
   227     typename Parent::SFalseTTrueMap s_false_t_true_map;
   221   public:
   228   public:
   222     typedef typename Parent::Node Node;
   229     typedef typename Parent::Node Node;
   223     typedef typename Parent::Edge Edge;
   230     typedef typename Parent::Edge Edge;
   224     BipartiteGraph() : BipartiteGraphWrapper<Graph>(), 
   231     BipartiteGraph() : BipartiteGraphWrapper<Graph>(), 
   225 		       gr(), bipartite_map(gr, -1), 
   232 		       gr(), bipartite_map(gr, -1), 
   256       FOR_EACH_LOC(typename Parent::EdgeIt, e, *this) erase(e);
   263       FOR_EACH_LOC(typename Parent::EdgeIt, e, *this) erase(e);
   257       FOR_EACH_LOC(typename Parent::NodeIt, n, *this) erase(n);
   264       FOR_EACH_LOC(typename Parent::NodeIt, n, *this) erase(n);
   258     }
   265     }
   259   };
   266   };
   260 
   267 
   261 
   268   template<typename Graph, typename sIterableMap, typename tIterableMap>
       
   269   class stGraphWrapper;
       
   270 
       
   271   /// Easier stuff for bipartite graphs.
   262   template<typename Graph>
   272   template<typename Graph>
   263   class stGraphWrapper;
   273   class stBipartiteGraphWrapper : public 
       
   274   stGraphWrapper<Graph, typename Graph::SFalseTTrueMap, 
       
   275 		 typename Graph::SFalseTTrueMap> {
       
   276   public:
       
   277     typedef stGraphWrapper<Graph, typename Graph::SFalseTTrueMap, 
       
   278 			   typename Graph::SFalseTTrueMap> Parent;
       
   279     stBipartiteGraphWrapper(Graph& _graph) : 
       
   280       Parent(_graph, _graph.sFalseTTrueMap(), _graph.sFalseTTrueMap()) { }
       
   281   };
   264 
   282 
   265 //   template<typename Graph> 
   283 //   template<typename Graph> 
   266 //   std::ostream& 
   284 //   std::ostream& 
   267 //   operator<<(std::ostream& os, const typename stGraphWrapper<Graph>::Node& i) { 
   285 //   operator<<(std::ostream& os, const typename stGraphWrapper<Graph>::Node& i) { 
   268 //     os << "(node: " << typename Graph::Node(i) << " spec: " << i.spec <<")"; 
   286 //     os << "(node: " << typename Graph::Node(i) << " spec: " << i.spec <<")"; 
   285   /// generally, capacitataed b-matching problem to a flow problem.
   303   /// generally, capacitataed b-matching problem to a flow problem.
   286   /// According to the bipartite graph concepts the bipartite 
   304   /// According to the bipartite graph concepts the bipartite 
   287   /// graph have to be oriented from S to T.
   305   /// graph have to be oriented from S to T.
   288   ///
   306   ///
   289   /// \author Marton Makai
   307   /// \author Marton Makai
   290   template<typename Graph>
   308   template<typename Graph, typename sIterableMap, typename tIterableMap>
   291   class stGraphWrapper : public GraphWrapper<Graph> {
   309   class stGraphWrapper : public GraphWrapper<Graph> {
       
   310   protected:    
       
   311     const sIterableMap* s_iterable_map;
       
   312     const tIterableMap* t_iterable_map;
   292   public:
   313   public:
   293     class Node; 
   314     class Node; 
   294     friend class Node;
   315     friend class Node;
   295 //GN, int
   316 //GN, int
   296 //0 normalis, 1 s, 2, true, ez az iteralasi sorrend, 
   317 //0 normalis, 1 s, 2 t, ez az iteralasi sorrend, 
   297 //es a vege a false azaz (invalid, 3)    
   318 //es a vege a false azaz (invalid, 3)    
   298     class NodeIt;
   319     class NodeIt;
   299     friend class NodeIt;
   320     friend class NodeIt;
   300 //GNI, int
   321 //GNI, int
   301     class Edge;
   322     class Edge;
   332     const Node T_NODE;
   353     const Node T_NODE;
   333 
   354 
   334     static const bool S_CLASS=false;
   355     static const bool S_CLASS=false;
   335     static const bool T_CLASS=true;
   356     static const bool T_CLASS=true;
   336 
   357 
   337     stGraphWrapper(Graph& _graph) : GraphWrapper<Graph>(_graph) , 
   358     // \bug not too nice constructor.
   338 				    S_NODE(INVALID, 1), 
   359     stGraphWrapper(Graph& _graph, 
   339 				    T_NODE(INVALID, 2) { }
   360 		   const sIterableMap& _s_iterable_map, 
       
   361 		   const tIterableMap& _t_iterable_map) : 
       
   362       GraphWrapper<Graph>(_graph), 
       
   363       s_iterable_map(&_s_iterable_map), 
       
   364       t_iterable_map(&_t_iterable_map), 
       
   365       S_NODE(INVALID, 1), 
       
   366       T_NODE(INVALID, 2) { }
   340 
   367 
   341     
   368     
   342 //    std::ostream& 
   369 //    std::ostream& 
   343 //    operator<<(std::ostream& os, const /*typename stGraphWrapper<Graph>::*/Node& i);
   370 //    operator<<(std::ostream& os, const /*typename stGraphWrapper<Graph>::*/Node& i);
   344 //    friend std::ostream& 
   371 //    friend std::ostream& 
   347 //    operator<<(std::ostream& os, const /*typename stGraphWrapper<Graph>::*/Edge& i);
   374 //    operator<<(std::ostream& os, const /*typename stGraphWrapper<Graph>::*/Edge& i);
   348 
   375 
   349     class Node : public Graph::Node {
   376     class Node : public Graph::Node {
   350     protected:
   377     protected:
   351       friend class GraphWrapper<Graph>;
   378       friend class GraphWrapper<Graph>;
   352       friend class stGraphWrapper<Graph>;
   379       friend class stGraphWrapper<Graph, sIterableMap, tIterableMap>;
   353       template <typename T> friend class NodeMap;
   380       template <typename T> friend class NodeMap;
   354       friend class Edge;
   381       friend class Edge;
   355       friend class OutEdgeIt;
   382       friend class OutEdgeIt;
   356       friend class InEdgeIt;
   383       friend class InEdgeIt;
   357       friend class EdgeIt;
   384       friend class EdgeIt;
   378       int getSpec() const { return spec; }
   405       int getSpec() const { return spec; }
   379     };
   406     };
   380 
   407 
   381     class NodeIt { 
   408     class NodeIt { 
   382       friend class GraphWrapper<Graph>;
   409       friend class GraphWrapper<Graph>;
   383       friend class stGraphWrapper<Graph>;
   410       friend class stGraphWrapper<Graph, sIterableMap, tIterableMap>;
   384       typename Graph::NodeIt n;
   411       typename Graph::NodeIt n;
   385       int spec; 
   412       int spec; 
   386      public:
   413      public:
   387       NodeIt() { }
   414       NodeIt() { }
   388       NodeIt(const typename Graph::NodeIt& _n, int _spec) : 
   415       NodeIt(const typename Graph::NodeIt& _n, int _spec) : 
   389 	n(_n), spec(_spec) { }
   416 	n(_n), spec(_spec) { }
   390       NodeIt(const Invalid& i) : n(i), spec(3) { }
   417       NodeIt(const Invalid& i) : n(i), spec(3) { }
   391       NodeIt(const stGraphWrapper<Graph>& _G) : n(*(_G.graph)), spec(0) { 
   418       NodeIt(const stGraphWrapper<Graph, sIterableMap, tIterableMap>& _G) 
       
   419 	: n(*(_G.graph)), spec(0) { 
   392 	if (!_G.graph->valid(n)) spec=1;
   420 	if (!_G.graph->valid(n)) spec=1;
   393       }
   421       }
   394       operator Node() const { return Node(n, spec); }
   422       operator Node() const { return Node(n, spec); }
   395     };
   423     };
   396 
   424 
   397     class Edge : public Graph::Edge {
   425     class Edge : public Graph::Edge {
   398       friend class GraphWrapper<Graph>;
   426       friend class GraphWrapper<Graph>;
   399       friend class stGraphWrapper<Graph>;
   427       friend class stGraphWrapper<Graph, sIterableMap, tIterableMap>;
   400       template <typename T> friend class EdgeMap;
   428       template <typename T> friend class EdgeMap;
   401       int spec;
   429       int spec;
   402       typename Graph::Node n;
   430       typename Graph::Node n;
   403     public:
   431     public:
   404       Edge() { }
   432       Edge() { }
   427       typename Graph::Node getNode() const { return n; }
   455       typename Graph::Node getNode() const { return n; }
   428     };
   456     };
   429 
   457 
   430     class OutEdgeIt { 
   458     class OutEdgeIt { 
   431       friend class GraphWrapper<Graph>;
   459       friend class GraphWrapper<Graph>;
   432       friend class stGraphWrapper<Graph>;
   460       friend class stGraphWrapper<Graph, sIterableMap, tIterableMap>;
   433       typename Graph::OutEdgeIt e;
   461       typename Graph::OutEdgeIt e;
   434       int spec;
   462       int spec;
   435       typename Graph::ClassNodeIt n;
   463       typename Graph::ClassNodeIt n;
   436     public:
   464     public:
   437       OutEdgeIt() { }
   465       OutEdgeIt() { }
   438       OutEdgeIt(const typename Graph::OutEdgeIt& _e, int _spec, 
   466       OutEdgeIt(const typename Graph::OutEdgeIt& _e, int _spec, 
   439 		const typename Graph::ClassNodeIt& _n) : 
   467 		const typename Graph::ClassNodeIt& _n) : 
   440 	e(_e), spec(_spec), n(_n) { 
   468 	e(_e), spec(_spec), n(_n) { 
   441       }
   469       }
   442       OutEdgeIt(const Invalid& i) : e(i), spec(3), n(i) { }
   470       OutEdgeIt(const Invalid& i) : e(i), spec(3), n(i) { }
   443       OutEdgeIt(const stGraphWrapper<Graph>& _G, const Node& _n) {
   471       OutEdgeIt(const stGraphWrapper<Graph, sIterableMap, tIterableMap>& _G, 
       
   472 		const Node& _n) {
   444 	switch (_n.spec) {
   473 	switch (_n.spec) {
   445 	  case 0 : 
   474 	  case 0 : 
   446 	    if (_G.graph->inSClass(_n)) { //S, van normalis kiel 
   475 	    if (_G.graph->inSClass(_n)) { //S, van normalis kiel 
   447 	      e=typename Graph::OutEdgeIt(*(_G.graph), 
   476 	      e=typename Graph::OutEdgeIt(*(_G.graph), 
   448 					  typename Graph::Node(_n)); 
   477 					  typename Graph::Node(_n)); 
   471       operator Edge() const { return Edge(e, spec, n); }
   500       operator Edge() const { return Edge(e, spec, n); }
   472     };
   501     };
   473 
   502 
   474     class InEdgeIt { 
   503     class InEdgeIt { 
   475       friend class GraphWrapper<Graph>;
   504       friend class GraphWrapper<Graph>;
   476       friend class stGraphWrapper<Graph>;
   505       friend class stGraphWrapper<Graph, sIterableMap, tIterableMap>;
   477       typename Graph::InEdgeIt e;
   506       typename Graph::InEdgeIt e;
   478       int spec;
   507       int spec;
   479       typename Graph::ClassNodeIt n;
   508       typename Graph::ClassNodeIt n;
   480     public:
   509     public:
   481       InEdgeIt() { }
   510       InEdgeIt() { }
   482       InEdgeIt(const typename Graph::InEdgeIt& _e, int _spec, 
   511       InEdgeIt(const typename Graph::InEdgeIt& _e, int _spec, 
   483 	       const typename Graph::ClassNodeIt& _n) : 
   512 	       const typename Graph::ClassNodeIt& _n) : 
   484 	e(_e), spec(_spec), n(_n) { 
   513 	e(_e), spec(_spec), n(_n) { 
   485       }
   514       }
   486       InEdgeIt(const Invalid& i) : e(i), spec(3), n(i) { }
   515       InEdgeIt(const Invalid& i) : e(i), spec(3), n(i) { }
   487       InEdgeIt(const stGraphWrapper<Graph>& _G, const Node& _n) {
   516       InEdgeIt(const stGraphWrapper<Graph, sIterableMap, tIterableMap>& _G, 
       
   517 	       const Node& _n) {
   488 	switch (_n.spec) {
   518 	switch (_n.spec) {
   489 	  case 0 : 
   519 	  case 0 : 
   490 	    if (_G.graph->inTClass(_n)) { //T, van normalis beel 
   520 	    if (_G.graph->inTClass(_n)) { //T, van normalis beel 
   491 	      e=typename Graph::InEdgeIt(*(_G.graph), 
   521 	      e=typename Graph::InEdgeIt(*(_G.graph), 
   492 					 typename Graph::Node(_n)); 
   522 					 typename Graph::Node(_n)); 
   515       operator Edge() const { return Edge(e, spec, n); }
   545       operator Edge() const { return Edge(e, spec, n); }
   516     };
   546     };
   517 
   547 
   518     class EdgeIt { 
   548     class EdgeIt { 
   519       friend class GraphWrapper<Graph>;
   549       friend class GraphWrapper<Graph>;
   520       friend class stGraphWrapper<Graph>;
   550       friend class stGraphWrapper<Graph, sIterableMap, tIterableMap>;
   521       typename Graph::EdgeIt e;
   551       typename Graph::EdgeIt e;
   522       int spec;
   552       int spec;
   523       typename Graph::ClassNodeIt n;
   553       typename Graph::ClassNodeIt n;
   524     public:
   554     public:
   525       EdgeIt() { }
   555       EdgeIt() { }
   526       EdgeIt(const typename Graph::EdgeIt& _e, int _spec, 
   556       EdgeIt(const typename Graph::EdgeIt& _e, int _spec, 
   527 	     const typename Graph::ClassNodeIt& _n) : 
   557 	     const typename Graph::ClassNodeIt& _n) : 
   528 	e(_e), spec(_spec), n(_n) { }
   558 	e(_e), spec(_spec), n(_n) { }
   529       EdgeIt(const Invalid& i) : e(i), spec(3), n(i) { }
   559       EdgeIt(const Invalid& i) : e(i), spec(3), n(i) { }
   530       EdgeIt(const stGraphWrapper<Graph>& _G) : 
   560       EdgeIt(const stGraphWrapper<Graph, sIterableMap, tIterableMap>& _G) : 
   531 	e(*(_G.graph)), spec(0), n(INVALID) { 
   561 	e(*(_G.graph)), spec(0), n(INVALID) { 
   532 	if (!_G.graph->valid(e)) {
   562 	if (!_G.graph->valid(e)) {
   533 	  spec=1;
   563 	  spec=1;
   534 	  _G.graph->first(n, S_CLASS);
   564 	  _G.graph->first(n, S_CLASS);
   535 	  if (!_G.graph->valid(n)) { //Ha S ures
   565 	  if (!_G.graph->valid(n)) { //Ha S ures
   716     template<typename T> class NodeMap : public GraphWrapper<Graph>::template NodeMap<T> { 
   746     template<typename T> class NodeMap : public GraphWrapper<Graph>::template NodeMap<T> { 
   717       typedef typename GraphWrapper<Graph>::template NodeMap<T> Parent;
   747       typedef typename GraphWrapper<Graph>::template NodeMap<T> Parent;
   718     protected:
   748     protected:
   719       T s_value, t_value;
   749       T s_value, t_value;
   720     public:
   750     public:
   721       NodeMap(const stGraphWrapper<Graph>& _G) :  Parent(_G), 
   751       NodeMap(const stGraphWrapper<Graph, sIterableMap, tIterableMap>& _G) : 
   722 						  s_value(), 
   752 	Parent(_G), 
   723 						  t_value() { }
   753 	s_value(), 
   724       NodeMap(const stGraphWrapper<Graph>& _G, T a) : Parent(_G, a), 
   754 	t_value() { }
   725 						      s_value(a), 
   755       NodeMap(const stGraphWrapper<Graph, sIterableMap, tIterableMap>& _G, T a) 
   726 						      t_value(a) { }
   756 	: Parent(_G, a), 
       
   757 	  s_value(a), 
       
   758 	  t_value(a) { }
   727       T operator[](const Node& n) const { 
   759       T operator[](const Node& n) const { 
   728 	switch (n.spec) {
   760 	switch (n.spec) {
   729 	case 0: 
   761 	case 0: 
   730 	  return Parent::operator[](n);
   762 	  return Parent::operator[](n);
   731 	case 1:
   763 	case 1:
   751       }
   783       }
   752     };
   784     };
   753 
   785 
   754     /// This class is to wrap a node-map of \c Graph and two variables 
   786     /// This class is to wrap a node-map of \c Graph and two variables 
   755     /// storing values for \c S_NODE and \c T_NODE to a node-map of 
   787     /// storing values for \c S_NODE and \c T_NODE to a node-map of 
   756     /// stGraphWrapper<Graph>.
   788     /// stGraphWrapper<Graph, sIterableMap, tIterableMap>.
   757     template<typename NM> class NodeMapWrapper { 
   789     template<typename NM> class NodeMapWrapper { 
   758     public:
   790     public:
   759       typedef Node KeyType;
   791       typedef Node KeyType;
   760       typedef typename NM::ValueType ValueType;
   792       typedef typename NM::ValueType ValueType;
   761     protected:
   793     protected:
   795     class EdgeMap : public GraphWrapper<Graph>::template EdgeMap<T> { 
   827     class EdgeMap : public GraphWrapper<Graph>::template EdgeMap<T> { 
   796       typedef typename GraphWrapper<Graph>::template EdgeMap<T> Parent;
   828       typedef typename GraphWrapper<Graph>::template EdgeMap<T> Parent;
   797     protected:
   829     protected:
   798       typename GraphWrapper<Graph>::template NodeMap<T> node_value;
   830       typename GraphWrapper<Graph>::template NodeMap<T> node_value;
   799     public:
   831     public:
   800       EdgeMap(const stGraphWrapper<Graph>& _G) : Parent(_G), 
   832       EdgeMap(const stGraphWrapper<Graph, sIterableMap, tIterableMap>& _G) 
   801 						 node_value(_G) { }
   833 	: Parent(_G), 
   802       EdgeMap(const stGraphWrapper<Graph>& _G, T a) : Parent(_G, a), 
   834 	  node_value(_G) { }
   803 						      node_value(_G, a) { }
   835       EdgeMap(const stGraphWrapper<Graph, sIterableMap, tIterableMap>& _G, T a) 
       
   836 	: Parent(_G, a), 
       
   837 	  node_value(_G, a) { }
   804       T operator[](const Edge& e) const { 
   838       T operator[](const Edge& e) const { 
   805 	switch (e.spec) {
   839 	switch (e.spec) {
   806 	case 0: 
   840 	case 0: 
   807 	  return Parent::operator[](e);
   841 	  return Parent::operator[](e);
   808 	case 1:
   842 	case 1:
   827 	}
   861 	}
   828       }
   862       }
   829     };
   863     };
   830 
   864 
   831     /// This class is to wrap an edge-map and a node-map of \c Graph 
   865     /// This class is to wrap an edge-map and a node-map of \c Graph 
   832     /// to an edge-map of stGraphWrapper<Graph>.
   866     /// to an edge-map of stGraphWrapper<Graph, sIterableMap, tIterableMap>.
   833     template<typename EM, typename NM> 
   867     template<typename EM, typename NM> 
   834     class EdgeMapWrapper {
   868     class EdgeMapWrapper {
   835     public: 
   869     public: 
   836       typedef Edge KeyType;
   870       typedef Edge KeyType;
   837       typedef typename EM::ValueType ValueType;
   871       typedef typename EM::ValueType ValueType;