Mercuriallemon-0.x / file revision
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
src/work/marci/graph_wrapper.h
author alpar
Sat, 20 Mar 2004 16:13:19 +0000
changeset 217 fc549fac0dd0
parent 199 98b93792541e
child 230 734dd0649941
permissions -rw-r--r--
Several bugfixes 
     1 // -*- c++ -*-

     2 #ifndef GRAPH_WRAPPER_H

     3 #define GRAPH_WRAPPER_H

     4 

     5 #include <invalid.h>

     6 

     7 namespace hugo {

     8 

     9   template<typename Graph>

    10   class TrivGraphWrapper {

    11   protected:

    12     Graph* graph;

    13   

    14   public:

    15     typedef Graph BaseGraph;

    16 

    17     typedef typename Graph::Node Node;

    18     typedef typename Graph::NodeIt NodeIt;

    19 

    20     typedef typename Graph::Edge Edge;

    21     typedef typename Graph::OutEdgeIt OutEdgeIt;

    22     typedef typename Graph::InEdgeIt InEdgeIt;

    23     //typedef typename Graph::SymEdgeIt SymEdgeIt;

    24     typedef typename Graph::EdgeIt EdgeIt;

    25 

    26     //TrivGraphWrapper() : graph(0) { }

    27     TrivGraphWrapper(Graph& _graph) : graph(&_graph) { }

    28 

    29     void setGraph(Graph& _graph) { graph = &_graph; }

    30     Graph& getGraph() const { return (*graph); }

    31     

    32     template<typename I> I& first(I& i) const { return graph->first(i); }

    33     template<typename I, typename P> I& first(I& i, const P& p) const { 

    34       return graph->first(i, p); }

    35     

    36     template<typename I> I getNext(const I& i) const { 

    37       return graph->getNext(i); }

    38     template<typename I> I& next(I &i) const { return graph->next(i); }    

    39 

    40     template< typename It > It first() const { 

    41       It e; first(e); return e; }

    42 

    43     template< typename It > It first(const Node& v) const { 

    44       It e; first(e, v); return e; }

    45 

    46     Node head(const Edge& e) const { return graph->head(e); }

    47     Node tail(const Edge& e) const { return graph->tail(e); }

    48 

    49     template<typename I> bool valid(const I& i) const 

    50       { return graph->valid(i); }

    51   

    52     //template<typename I> void setInvalid(const I &i);

    53     //{ return graph->setInvalid(i); }

    54 

    55     int nodeNum() const { return graph->nodeNum(); }

    56     int edgeNum() const { return graph->edgeNum(); }

    57   

    58     template<typename I> Node aNode(const I& e) const { 

    59       return graph->aNode(e); }

    60     template<typename I> Node bNode(const I& e) const { 

    61       return graph->bNode(e); }

    62   

    63     Node addNode() const { return graph->addNode(); }

    64     Edge addEdge(const Node& tail, const Node& head) const { 

    65       return graph->addEdge(tail, head); }

    66   

    67     template<typename I> void erase(const I& i) const { graph->erase(i); }

    68   

    69     void clear() const { graph->clear(); }

    70     

    71     template<typename T> class NodeMap : public Graph::NodeMap<T> { 

    72     public:

    73       NodeMap(const TrivGraphWrapper<Graph>& _G) : 

    74 	Graph::NodeMap<T>(_G.getGraph()) { }

    75       NodeMap(const TrivGraphWrapper<Graph>& _G, T a) : 

    76 	Graph::NodeMap<T>(_G.getGraph(), a) { }

    77     };

    78 

    79     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 

    80     public:

    81       EdgeMap(const TrivGraphWrapper<Graph>& _G) : 

    82 	Graph::EdgeMap<T>(_G.getGraph()) { }

    83       EdgeMap(const TrivGraphWrapper<Graph>& _G, T a) : 

    84 	Graph::EdgeMap<T>(_G.getGraph(), a) { }

    85     };

    86   };

    87 

    88   template<typename GraphWrapper>

    89   class GraphWrapperSkeleton {

    90   protected:

    91     GraphWrapper gw;

    92   

    93   public:

    94     typedef typename GraphWrapper::BaseGraph BaseGraph;

    95 

    96     typedef typename GraphWrapper::Node Node;

    97     typedef typename GraphWrapper::NodeIt NodeIt;

    98 

    99     typedef typename GraphWrapper::Edge Edge;

   100     typedef typename GraphWrapper::OutEdgeIt OutEdgeIt;

   101     typedef typename GraphWrapper::InEdgeIt InEdgeIt;

   102     //typedef typename GraphWrapper::SymEdgeIt SymEdgeIt;

   103     typedef typename GraphWrapper::EdgeIt EdgeIt;

   104 

   105     //GraphWrapperSkeleton() : gw() { }

   106     GraphWrapperSkeleton(GraphWrapper& _gw) : gw(_gw) { }

   107 

   108     void setGraph(BaseGraph& _graph) { gw.setGraph(_graph); }

   109     BaseGraph& getGraph() const { return gw.getGraph(); }

   110     

   111     template<typename I> I& first(I& i) const { return gw.first(i); }

   112     template<typename I, typename P> I& first(I& i, const P& p) const { 

   113       return gw.first(i, p); }

   114     

   115     template<typename I> I getNext(const I& i) const { return gw.getNext(i); }

   116     template<typename I> I& next(I &i) const { return gw.next(i); }    

   117 

   118     template< typename It > It first() const { 

   119       It e; this->first(e); return e; }

   120 

   121     template< typename It > It first(const Node& v) const { 

   122       It e; this->first(e, v); return e; }

   123 

   124     Node head(const Edge& e) const { return gw.head(e); }

   125     Node tail(const Edge& e) const { return gw.tail(e); }

   126 

   127     template<typename I> bool valid(const I& i) const { return gw.valid(i); }

   128   

   129     //template<typename I> void setInvalid(const I &i);

   130     //{ return graph->setInvalid(i); }

   131 

   132     int nodeNum() const { return gw.nodeNum(); }

   133     int edgeNum() const { return gw.edgeNum(); }

   134   

   135     template<typename I> Node aNode(const I& e) const { return gw.aNode(e); }

   136     template<typename I> Node bNode(const I& e) const { return gw.bNode(e); }

   137   

   138     Node addNode() const { return gw.addNode(); }

   139     Edge addEdge(const Node& tail, const Node& head) const { 

   140       return gw.addEdge(tail, head); }

   141   

   142     template<typename I> void erase(const I& i) const { gw.erase(i); }

   143   

   144     void clear() const { gw.clear(); }

   145     

   146     template<typename T> class NodeMap : public GraphWrapper::NodeMap<T> { 

   147     public:

   148       NodeMap(const GraphWrapperSkeleton<GraphWrapper>& _G) : 

   149 	GraphWrapper::NodeMap<T>(_G.gw) { }

   150       NodeMap(const GraphWrapperSkeleton<GraphWrapper>& _G, T a) : 

   151 	GraphWrapper::NodeMap<T>(_G.gw, a) { }

   152     };

   153 

   154     template<typename T> class EdgeMap : public GraphWrapper::EdgeMap<T> { 

   155     public:

   156       EdgeMap(const GraphWrapperSkeleton<GraphWrapper>& _G) : 

   157 	GraphWrapper::EdgeMap<T>(_G.gw) { }

   158       EdgeMap(const GraphWrapperSkeleton<GraphWrapper>& _G, T a) : 

   159 	GraphWrapper::EdgeMap<T>(_G.gw, a) { }

   160     };

   161   };

   162 

   163   template<typename Graph>

   164   class RevGraphWrapper

   165   {

   166   protected:

   167     Graph* graph;

   168   

   169   public:

   170     typedef Graph BaseGraph;

   171 

   172     typedef typename Graph::Node Node;    

   173     typedef typename Graph::NodeIt NodeIt;

   174   

   175     typedef typename Graph::Edge Edge;

   176     typedef typename Graph::OutEdgeIt InEdgeIt;

   177     typedef typename Graph::InEdgeIt OutEdgeIt;

   178     //typedef typename Graph::SymEdgeIt SymEdgeIt;

   179     typedef typename Graph::EdgeIt EdgeIt;

   180 

   181     //RevGraphWrapper() : graph(0) { }

   182     RevGraphWrapper(Graph& _graph) : graph(&_graph) { }

   183 

   184     void setGraph(Graph& _graph) { graph = &_graph; }

   185     Graph& getGraph() const { return (*graph); }

   186     

   187     template<typename I> I& first(I& i) const { return graph->first(i); }

   188     template<typename I, typename P> I& first(I& i, const P& p) const { 

   189       return graph->first(i, p); }

   190 

   191     template<typename I> I getNext(const I& i) const { 

   192       return graph->getNext(i); }

   193     template<typename I> I& next(I &i) const { return graph->next(i); }    

   194 

   195     template< typename It > It first() const { 

   196       It e; first(e); return e; }

   197 

   198     template< typename It > It first(const Node& v) const { 

   199       It e; first(e, v); return e; }

   200 

   201     Node head(const Edge& e) const { return graph->tail(e); }

   202     Node tail(const Edge& e) const { return graph->head(e); }

   203   

   204     template<typename I> bool valid(const I& i) const 

   205       { return graph->valid(i); }

   206   

   207     //template<typename I> void setInvalid(const I &i);

   208     //{ return graph->setInvalid(i); }

   209   

   210     template<typename I> Node aNode(const I& e) const { 

   211       return graph->aNode(e); }

   212     template<typename I> Node bNode(const I& e) const { 

   213       return graph->bNode(e); }

   214 

   215     Node addNode() const { return graph->addNode(); }

   216     Edge addEdge(const Node& tail, const Node& head) const { 

   217       return graph->addEdge(tail, head); }

   218   

   219     int nodeNum() const { return graph->nodeNum(); }

   220     int edgeNum() const { return graph->edgeNum(); }

   221   

   222     template<typename I> void erase(const I& i) const { graph->erase(i); }

   223   

   224     void clear() const { graph->clear(); }

   225 

   226     template<typename T> class NodeMap : public Graph::NodeMap<T> { 

   227     public:

   228       NodeMap(const RevGraphWrapper<Graph>& _G) : 

   229 	Graph::NodeMap<T>(_G.getGraph()) { }

   230       NodeMap(const RevGraphWrapper<Graph>& _G, T a) : 

   231 	Graph::NodeMap<T>(_G.getGraph(), a) { }

   232     };

   233 

   234     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 

   235     public:

   236       EdgeMap(const RevGraphWrapper<Graph>& _G) : 

   237 	Graph::EdgeMap<T>(_G.getGraph()) { }

   238       EdgeMap(const RevGraphWrapper<Graph>& _G, T a) : 

   239 	Graph::EdgeMap<T>(_G.getGraph(), a) { }

   240     };

   241   };

   242 

   243 

   244   template<typename Graph>

   245   class UndirGraphWrapper {

   246   protected:

   247     Graph* graph;

   248   

   249   public:

   250     typedef Graph BaseGraph;

   251 

   252     typedef typename Graph::Node Node;

   253     typedef typename Graph::NodeIt NodeIt;

   254 

   255     //typedef typename Graph::Edge Edge;

   256     //typedef typename Graph::OutEdgeIt OutEdgeIt;

   257     //typedef typename Graph::InEdgeIt InEdgeIt;

   258     //typedef typename Graph::SymEdgeIt SymEdgeIt;

   259     //typedef typename Graph::EdgeIt EdgeIt;

   260 

   261     //private:

   262     typedef typename Graph::Edge GraphEdge;

   263     typedef typename Graph::OutEdgeIt GraphOutEdgeIt;

   264     typedef typename Graph::InEdgeIt GraphInEdgeIt;

   265     //public:

   266 

   267     //UndirGraphWrapper() : graph(0) { }

   268     UndirGraphWrapper(Graph& _graph) : graph(&_graph) { }

   269 

   270     void setGraph(Graph& _graph) { graph = &_graph; }

   271     Graph& getGraph() const { return (*graph); }

   272   

   273     class Edge {

   274       friend class UndirGraphWrapper<Graph>;

   275       bool out_or_in; //true iff out

   276       GraphOutEdgeIt out;

   277       GraphInEdgeIt in;

   278     public:

   279       Edge() : out_or_in(), out(), in() { }

   280       Edge(const Invalid& i) : out_or_in(false), out(), in(i) { }

   281       operator GraphEdge() const {

   282 	if (out_or_in) return(out); else return(in);

   283       }

   284       friend bool operator==(const Edge& u, const Edge& v) { 

   285 	if (v.out_or_in) 

   286 	  return (u.out_or_in && u.out==v.out);

   287 	else

   288 	  return (!u.out_or_in && u.in==v.in);

   289       } 

   290       friend bool operator!=(const Edge& u, const Edge& v) { 

   291 	if (v.out_or_in) 

   292 	  return (!u.out_or_in || u.out!=v.out);

   293 	else

   294 	  return (u.out_or_in || u.in!=v.in);

   295       } 

   296     };

   297 

   298     class OutEdgeIt : public Edge {

   299       friend class UndirGraphWrapper<Graph>;

   300     public:

   301       OutEdgeIt() : Edge() { }

   302       OutEdgeIt(const Invalid& i) : Edge(i) { }

   303       OutEdgeIt(const UndirGraphWrapper& _G, const Node& n) : Edge() { 

   304 	out_or_in=true;

   305 	_G.graph->first(out, n);

   306 	if (!(_G.graph->valid(out))) {

   307 	  out_or_in=false;

   308 	  _G.graph->first(in, n);

   309 	}

   310       }

   311     };

   312 

   313     OutEdgeIt& first(OutEdgeIt& e, const Node& n) const {

   314       e.out_or_in=true;

   315       graph->first(e.out, n);

   316       if (!(graph->valid(e.out))) {

   317 	e.out_or_in=false;

   318 	graph->first(e.in, n);

   319       }

   320       return e;

   321     }

   322 

   323     OutEdgeIt& next(OutEdgeIt& e) const {

   324       if (e.out_or_in) {

   325 	Node n=graph->tail(e.out);

   326 	graph->next(e.out);

   327 	if (!graph->valid(e.out)) {

   328 	  e.out_or_in=false;

   329 	  graph->first(e.in, n);

   330 	}

   331       } else {

   332 	graph->next(e.in);

   333       }

   334       return e;

   335     }

   336 

   337     Node aNode(const OutEdgeIt& e) const { 

   338       if (e.out_or_in) return graph->tail(e); else return graph->head(e); }

   339     Node bNode(const OutEdgeIt& e) const { 

   340       if (e.out_or_in) return graph->head(e); else return graph->tail(e); }

   341 

   342     typedef OutEdgeIt InEdgeIt; 

   343 

   344     template<typename I> I& first(I& i) const { return graph->first(i); }

   345 //     template<typename I, typename P> I& first(I& i, const P& p) const { 

   346 //       return graph->first(i, p); }

   347     

   348     template<typename I> I getNext(const I& i) const { 

   349       return graph->getNext(i); }

   350     template<typename I> I& next(I &i) const { return graph->next(i); }    

   351 

   352     template< typename It > It first() const { 

   353       It e; first(e); return e; }

   354 

   355     template< typename It > It first(const Node& v) const { 

   356       It e; first(e, v); return e; }

   357 

   358     Node head(const Edge& e) const { return graph->head(e); }

   359     Node tail(const Edge& e) const { return graph->tail(e); }

   360 

   361     template<typename I> bool valid(const I& i) const 

   362       { return graph->valid(i); }

   363   

   364     //template<typename I> void setInvalid(const I &i);

   365     //{ return graph->setInvalid(i); }

   366 

   367     int nodeNum() const { return graph->nodeNum(); }

   368     int edgeNum() const { return graph->edgeNum(); }

   369   

   370 //     template<typename I> Node aNode(const I& e) const { 

   371 //       return graph->aNode(e); }

   372 //     template<typename I> Node bNode(const I& e) const { 

   373 //       return graph->bNode(e); }

   374   

   375     Node addNode() const { return graph->addNode(); }

   376     Edge addEdge(const Node& tail, const Node& head) const { 

   377       return graph->addEdge(tail, head); }

   378   

   379     template<typename I> void erase(const I& i) const { graph->erase(i); }

   380   

   381     void clear() const { graph->clear(); }

   382     

   383     template<typename T> class NodeMap : public Graph::NodeMap<T> { 

   384     public:

   385       NodeMap(const UndirGraphWrapper<Graph>& _G) : 

   386 	Graph::NodeMap<T>(_G.getGraph()) { }

   387       NodeMap(const UndirGraphWrapper<Graph>& _G, T a) : 

   388 	Graph::NodeMap<T>(_G.getGraph(), a) { }

   389     };

   390 

   391     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 

   392     public:

   393       EdgeMap(const UndirGraphWrapper<Graph>& _G) : 

   394 	Graph::EdgeMap<T>(_G.getGraph()) { }

   395       EdgeMap(const UndirGraphWrapper<Graph>& _G, T a) : 

   396 	Graph::EdgeMap<T>(_G.getGraph(), a) { }

   397     };

   398   };

   399 

   400 

   401 

   402 //   template<typename Graph>

   403 //   class SymGraphWrapper

   404 //   {

   405 //     Graph* graph;

   406   

   407 //   public:

   408 //     typedef Graph BaseGraph;

   409 

   410 //     typedef typename Graph::Node Node;

   411 //     typedef typename Graph::Edge Edge;

   412   

   413 //     typedef typename Graph::NodeIt NodeIt;

   414     

   415 //     //FIXME tag-ekkel megcsinalni, hogy abbol csinaljon

   416 //     //iranyitatlant, ami van

   417 //     //mert csak 1 dolgot lehet be typedef-elni

   418 //     typedef typename Graph::OutEdgeIt SymEdgeIt;

   419 //     //typedef typename Graph::InEdgeIt SymEdgeIt;

   420 //     //typedef typename Graph::SymEdgeIt SymEdgeIt;

   421 //     typedef typename Graph::EdgeIt EdgeIt;

   422 

   423 //     int nodeNum() const { return graph->nodeNum(); }

   424 //     int edgeNum() const { return graph->edgeNum(); }

   425     

   426 //     template<typename I> I& first(I& i) const { return graph->first(i); }

   427 //     template<typename I, typename P> I& first(I& i, const P& p) const { 

   428 //       return graph->first(i, p); }

   429 //     //template<typename I> I next(const I i); { return graph->goNext(i); }

   430 //     //template<typename I> I &goNext(I &i); { return graph->goNext(i); }

   431 

   432 //     template< typename It > It first() const { 

   433 //       It e; first(e); return e; }

   434 

   435 //     template< typename It > It first(Node v) const { 

   436 //       It e; first(e, v); return e; }

   437 

   438 //     Node head(const Edge& e) const { return graph->head(e); }

   439 //     Node tail(const Edge& e) const { return graph->tail(e); }

   440   

   441 //     template<typename I> Node aNode(const I& e) const { 

   442 //       return graph->aNode(e); }

   443 //     template<typename I> Node bNode(const I& e) const { 

   444 //       return graph->bNode(e); }

   445   

   446 //     //template<typename I> bool valid(const I i);

   447 //     //{ return graph->valid(i); }

   448   

   449 //     //template<typename I> void setInvalid(const I &i);

   450 //     //{ return graph->setInvalid(i); }

   451   

   452 //     Node addNode() { return graph->addNode(); }

   453 //     Edge addEdge(const Node& tail, const Node& head) { 

   454 //       return graph->addEdge(tail, head); }

   455   

   456 //     template<typename I> void erase(const I& i) { graph->erase(i); }

   457   

   458 //     void clear() { graph->clear(); }

   459   

   460 //     template<typename T> class NodeMap : public Graph::NodeMap<T> { };

   461 //     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { };

   462   

   463 //     void setGraph(Graph& _graph) { graph = &_graph; }

   464 //     Graph& getGraph() { return (*graph); }

   465 

   466 //     //SymGraphWrapper() : graph(0) { }

   467 //     SymGraphWrapper(Graph& _graph) : graph(&_graph) { }

   468 //   };

   469 

   470 

   471   template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>

   472   class ResGraphWrapper {

   473   public:

   474     typedef Graph BaseGraph;

   475     typedef typename Graph::Node Node;

   476     typedef typename Graph::NodeIt NodeIt;

   477   private:

   478     typedef typename Graph::OutEdgeIt OldOutEdgeIt;

   479     typedef typename Graph::InEdgeIt OldInEdgeIt;

   480   protected:

   481     const Graph* graph;

   482     FlowMap* flow;

   483     const CapacityMap* capacity;

   484   public:

   485 

   486     ResGraphWrapper(const Graph& _G, FlowMap& _flow, 

   487 	     const CapacityMap& _capacity) : 

   488       graph(&_G), flow(&_flow), capacity(&_capacity) { }

   489 

   490     void setGraph(const Graph& _graph) { graph = &_graph; }

   491     const Graph& getGraph() const { return (*graph); }

   492 

   493     class Edge; 

   494     class OutEdgeIt; 

   495     friend class Edge; 

   496     friend class OutEdgeIt; 

   497 

   498     class Edge {

   499       friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;

   500     protected:

   501       bool out_or_in; //true, iff out

   502       OldOutEdgeIt out;

   503       OldInEdgeIt in;

   504     public:

   505       Edge() : out_or_in(true) { } 

   506       Edge(const Invalid& i) : out_or_in(false), out(), in(i) { }

   507 //       bool valid() const { 

   508 // 	return out_or_in && out.valid() || in.valid(); }

   509       friend bool operator==(const Edge& u, const Edge& v) { 

   510 	if (v.out_or_in) 

   511 	  return (u.out_or_in && u.out==v.out);

   512 	else

   513 	  return (!u.out_or_in && u.in==v.in);

   514       } 

   515       friend bool operator!=(const Edge& u, const Edge& v) { 

   516 	if (v.out_or_in) 

   517 	  return (!u.out_or_in || u.out!=v.out);

   518 	else

   519 	  return (u.out_or_in || u.in!=v.in);

   520       } 

   521     };

   522 

   523 

   524     class OutEdgeIt : public Edge {

   525       friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;

   526     public:

   527       OutEdgeIt() { }

   528       //FIXME

   529       OutEdgeIt(const Edge& e) : Edge(e) { }

   530       OutEdgeIt(const Invalid& i) : Edge(i) { }

   531     private:

   532       OutEdgeIt(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& resG, Node v) : Edge() { 

   533 	resG.graph->first(out, v);

   534 	while( resG.graph->valid(out) && !(resG.free(out)>0) ) { resG.graph->next(out); }

   535 	if (!resG.graph->valid(out)) {

   536 	  out_or_in=0;

   537 	  resG.graph->first(in, v);

   538 	  while( resG.graph->valid(in) && !(resG.free(in)>0) ) { resG.graph->next(in); }

   539 	}

   540       }

   541 //     public:

   542 //       OutEdgeIt& operator++() { 

   543 // 	if (out_or_in) {

   544 // 	  Node v=/*resG->*/G->aNode(out);

   545 // 	  ++out;

   546 // 	  while( out.valid() && !(Edge::free()>0) ) { ++out; }

   547 // 	  if (!out.valid()) {

   548 // 	    out_or_in=0;

   549 // 	    G->first(in, v); 

   550 // 	    while( in.valid() && !(Edge::free()>0) ) { ++in; }

   551 // 	  }

   552 // 	} else {

   553 // 	  ++in;

   554 // 	  while( in.valid() && !(Edge::free()>0) ) { ++in; } 

   555 // 	}

   556 // 	return *this; 

   557 //       }

   558     };

   559 

   560     class EdgeIt : public Edge {

   561       friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;

   562       typename Graph::NodeIt v;

   563     public:

   564       EdgeIt() { }

   565       //EdgeIt(const EdgeIt& e) : Edge(e), v(e.v) { }

   566       EdgeIt(const Invalid& i) : Edge(i) { }

   567       EdgeIt(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& resG) : Edge() { 

   568 	resG.graph->first(v);

   569 	if (resG.graph->valid(v)) resG.graph->first(out, v); else out=OldOutEdgeIt(INVALID);

   570 	while (resG.graph->valid(out) && !(resG.free(out)>0) ) { resG.graph->next(out); }

   571 	while (resG.graph->valid(v) && !resG.graph->valid(out)) { 

   572 	  resG.graph->next(v); 

   573 	  if (resG.graph->valid(v)) resG.graph->first(out, v); 

   574 	  while (resG.graph->valid(out) && !(resG.free(out)>0) ) { resG.graph->next(out); }

   575 	}

   576 	if (!resG.graph->valid(out)) {

   577 	  out_or_in=0;

   578 	  resG.graph->first(v);

   579 	  if (resG.graph->valid(v)) resG.graph->first(in, v); else in=OldInEdgeIt(INVALID);

   580 	  while (resG.graph->valid(in) && !(resG.free(in)>0) ) { resG.graph->next(in); }

   581 	  while (resG.graph->valid(v) && !resG.graph->valid(in)) { 

   582 	    resG.graph->next(v); 

   583 	    if (resG.graph->valid(v)) resG.graph->first(in, v); 

   584 	    while (resG.graph->valid(in) && !(resG.free(in)>0) ) { resG.graph->next(in); }

   585 	  }

   586 	}

   587       }

   588 //       EdgeIt& operator++() { 

   589 // 	if (out_or_in) {

   590 // 	  ++out;

   591 // 	  while (out.valid() && !(Edge::free()>0) ) { ++out; }

   592 // 	  while (v.valid() && !out.valid()) { 

   593 // 	    ++v; 

   594 // 	    if (v.valid()) G->first(out, v); 

   595 // 	    while (out.valid() && !(Edge::free()>0) ) { ++out; }

   596 // 	  }

   597 // 	  if (!out.valid()) {

   598 // 	    out_or_in=0;

   599 // 	    G->first(v);

   600 // 	    if (v.valid()) G->first(in, v); else in=OldInEdgeIt();

   601 // 	    while (in.valid() && !(Edge::free()>0) ) { ++in; }

   602 // 	    while (v.valid() && !in.valid()) { 

   603 // 	      ++v; 

   604 // 	      if (v.valid()) G->first(in, v); 

   605 // 	      while (in.valid() && !(Edge::free()>0) ) { ++in; }

   606 // 	    }  

   607 // 	  }

   608 // 	} else {

   609 // 	  ++in;

   610 // 	  while (in.valid() && !(Edge::free()>0) ) { ++in; }

   611 // 	  while (v.valid() && !in.valid()) { 

   612 // 	    ++v; 

   613 // 	    if (v.valid()) G->first(in, v); 

   614 // 	    while (in.valid() && !(Edge::free()>0) ) { ++in; }

   615 // 	  }

   616 // 	}

   617 // 	return *this;

   618 //       }

   619     };

   620 

   621     NodeIt& first(NodeIt& v) const { return graph->first(v); }

   622     OutEdgeIt& first(OutEdgeIt& e, Node v) const { 

   623       e=OutEdgeIt(*this, v); 

   624       return e;

   625     }

   626     EdgeIt& first(EdgeIt& e) const { 

   627       e=EdgeIt(*this); 

   628       return e;

   629     }

   630    

   631     NodeIt& next(NodeIt& n) const { return graph->next(n); }

   632 

   633     OutEdgeIt& next(OutEdgeIt& e) const { 

   634       if (e.out_or_in) {

   635 	Node v=graph->aNode(e.out);

   636 	graph->next(e.out);

   637 	while( graph->valid(e.out) && !(free(e.out)>0) ) { graph->next(e.out); }

   638 	if (!graph->valid(e.out)) {

   639 	  e.out_or_in=0;

   640 	  graph->first(e.in, v); 

   641 	  while( graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }

   642 	}

   643       } else {

   644 	graph->next(e.in);

   645 	while( graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); } 

   646       }

   647       return e;

   648     }

   649 

   650     EdgeIt& next(EdgeIt& e) const { 

   651       if (e.out_or_in) {

   652 	graph->next(e.out);

   653 	while (graph->valid(e.out) && !(free(e.out)>0) ) { graph->next(e.out); }

   654 	  while (graph->valid(e.v) && !graph->valid(e.out)) { 

   655 	    graph->next(e.v); 

   656 	    if (graph->valid(e.v)) graph->first(e.out, e.v); 

   657 	    while (graph->valid(e.out) && !(free(e.out)>0) ) { graph->next(e.out); }

   658 	  }

   659 	  if (!graph->valid(e.out)) {

   660 	    e.out_or_in=0;

   661 	    graph->first(e.v);

   662 	    if (graph->valid(e.v)) graph->first(e.in, e.v); else e.in=OldInEdgeIt(INVALID);

   663 	    while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }

   664 	    while (graph->valid(e.v) && !graph->valid(e.in)) { 

   665 	      graph->next(e.v); 

   666 	      if (graph->valid(e.v)) graph->first(e.in, e.v); 

   667 	      while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }

   668 	    }  

   669 	  }

   670 	} else {

   671 	  graph->next(e.in);

   672 	  while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }

   673 	  while (graph->valid(e.v) && !graph->valid(e.in)) { 

   674 	    graph->next(e.v); 

   675 	    if (graph->valid(e.v)) graph->first(e.in, e.v); 

   676 	    while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }

   677 	  }

   678 	}

   679 	return e;

   680       }

   681     

   682 

   683     template< typename It >

   684     It first() const { 

   685       It e;

   686       first(e);

   687       return e; 

   688     }

   689 

   690     template< typename It >

   691     It first(Node v) const { 

   692       It e;

   693       first(e, v);

   694       return e; 

   695     }

   696 

   697     Node tail(Edge e) const { 

   698       return ((e.out_or_in) ? graph->aNode(e.out) : graph->aNode(e.in)); }

   699     Node head(Edge e) const { 

   700       return ((e.out_or_in) ? graph->bNode(e.out) : graph->bNode(e.in)); }

   701 

   702     Node aNode(OutEdgeIt e) const { 

   703       return ((e.out_or_in) ? graph->aNode(e.out) : graph->aNode(e.in)); }

   704     Node bNode(OutEdgeIt e) const { 

   705       return ((e.out_or_in) ? graph->bNode(e.out) : graph->bNode(e.in)); }

   706 

   707     int id(Node v) const { return graph->id(v); }

   708 

   709     bool valid(Node n) const { return graph->valid(n); }

   710     bool valid(Edge e) const { 

   711       return e.out_or_in ? graph->valid(e.out) : graph->valid(e.in); }

   712 

   713     void augment(const Edge& e, Number a) const {

   714       if (e.out_or_in)  

   715 	flow->set(e.out, flow->get(e.out)+a);

   716       else  

   717 	flow->set(e.in, flow->get(e.in)-a);

   718     }

   719 

   720     Number free(const Edge& e) const { 

   721       if (e.out_or_in) 

   722 	return (capacity->get(e.out)-flow->get(e.out)); 

   723       else 

   724 	return (flow->get(e.in)); 

   725     }

   726 

   727     Number free(OldOutEdgeIt out) const { 

   728       return (capacity->get(out)-flow->get(out)); 

   729     }

   730     

   731     Number free(OldInEdgeIt in) const { 

   732       return (flow->get(in)); 

   733     }

   734 

   735     template<typename T> class NodeMap : public Graph::NodeMap<T> { 

   736     public:

   737       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) 

   738 	: Graph::NodeMap<T>(_G.getGraph()) { }

   739       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, 

   740 	      T a) : Graph::NodeMap<T>(_G.getGraph(), a) { }

   741     };

   742 

   743 //     template <typename T>

   744 //     class NodeMap {

   745 //       typename Graph::NodeMap<T> node_map; 

   746 //     public:

   747 //       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : node_map(*(_G.graph)) { }

   748 //       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : node_map(*(_G.graph), a) { }

   749 //       void set(Node nit, T a) { node_map.set(nit, a); }

   750 //       T get(Node nit) const { return node_map.get(nit); }

   751 //     };

   752 

   753     template <typename T>

   754     class EdgeMap {

   755       typename Graph::EdgeMap<T> forward_map, backward_map; 

   756     public:

   757       EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : forward_map(_G.getGraph()), backward_map(_G.getGraph()) { }

   758       EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : forward_map(_G.getGraph(), a), backward_map(_G.getGraph(), a) { }

   759       void set(Edge e, T a) { 

   760 	if (e.out_or_in) 

   761 	  forward_map.set(e.out, a); 

   762 	else 

   763 	  backward_map.set(e.in, a); 

   764       }

   765       T get(Edge e) { 

   766 	if (e.out_or_in) 

   767 	  return forward_map.get(e.out); 

   768 	else 

   769 	  return backward_map.get(e.in); 

   770       }

   771     };

   772   };

   773 

   774   template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>

   775   class ErasingResGraphWrapper : public ResGraphWrapper<Graph, Number, FlowMap, CapacityMap> {

   776   protected:

   777     ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt> first_out_edges;

   778     //ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<int> dist;

   779   public:

   780     ErasingResGraphWrapper(const Graph& _G, FlowMap& _flow, 

   781 			   const CapacityMap& _capacity) : 

   782       ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>(_G, _flow, _capacity), 

   783       first_out_edges(*this) /*, dist(*this)*/ { 

   784       for(NodeIt n=this->template first<NodeIt>(); this->valid(n); this->next(n)) {

   785 	OutEdgeIt e;

   786 	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::first(e, n);

   787 	first_out_edges.set(n, e);

   788       }

   789     }

   790 

   791     //void setGraph(Graph& _graph) { graph = &_graph; }

   792     //Graph& getGraph() const { return (*graph); }

   793   

   794     //TrivGraphWrapper() : graph(0) { }

   795     //ErasingResGraphWrapper(Graph& _graph) : graph(&_graph) { }

   796 

   797     //typedef Graph BaseGraph;

   798 

   799     //typedef typename Graph::Node Node;

   800     //typedef typename Graph::NodeIt NodeIt;

   801 

   802     //typedef typename Graph::Edge Edge;

   803     //typedef typename Graph::OutEdgeIt OutEdgeIt;

   804     //typedef typename Graph::InEdgeIt InEdgeIt;

   805     //typedef typename Graph::SymEdgeIt SymEdgeIt;

   806     //typedef typename Graph::EdgeIt EdgeIt;

   807 

   808     typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Node Node;

   809     typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeIt NodeIt;

   810 

   811     typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Edge Edge;

   812     typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt OutEdgeIt;

   813     //typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::InEdgeIt InEdgeIt;

   814     //typedef typename Graph::SymEdgeIt SymEdgeIt;

   815     //typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeIt EdgeIt;

   816 

   817     NodeIt& first(NodeIt& n) const { 

   818       return ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::first(n);

   819     }

   820 

   821     OutEdgeIt& first(OutEdgeIt& e, const Node& n) const { 

   822       e=first_out_edges.get(n);

   823       return e;

   824     }

   825     

   826     //ROSSZ template<typename I> I& first(I& i) const { return first(i); }

   827     //ROSSZ template<typename I, typename P> I& first(I& i, const P& p) const { 

   828     //  return first(i, p); }

   829     

   830     //template<typename I> I getNext(const I& i) const { 

   831     //  return graph->getNext(i); }

   832     //template<typename I> I& next(I &i) const { return graph->next(i); }    

   833 

   834     template< typename It > It first() const { 

   835       It e; first(e); return e; }

   836 

   837     template< typename It > It first(const Node& v) const { 

   838       It e; first(e, v); return e; }

   839 

   840     //Node head(const Edge& e) const { return graph->head(e); }

   841     //Node tail(const Edge& e) const { return graph->tail(e); }

   842 

   843     //template<typename I> bool valid(const I& i) const 

   844     //  { return graph->valid(i); }

   845   

   846     //int nodeNum() const { return graph->nodeNum(); }

   847     //int edgeNum() const { return graph->edgeNum(); }

   848   

   849     //template<typename I> Node aNode(const I& e) const { 

   850     //  return graph->aNode(e); }

   851     //template<typename I> Node bNode(const I& e) const { 

   852     //  return graph->bNode(e); }

   853   

   854     //Node addNode() const { return graph->addNode(); }

   855     //Edge addEdge(const Node& tail, const Node& head) const { 

   856     //  return graph->addEdge(tail, head); }

   857   

   858     //void erase(const OutEdgeIt& e) {

   859     //  first_out_edge(this->tail(e))=e;

   860     //}

   861     void erase(const Edge& e) {

   862       OutEdgeIt f(e);

   863       next(f);

   864       first_out_edges.set(this->tail(e), f);

   865     }

   866     //template<typename I> void erase(const I& i) const { graph->erase(i); }

   867   

   868     //void clear() const { graph->clear(); }

   869     

   870     template<typename T> class NodeMap : public ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T> { 

   871     public:

   872       NodeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : 

   873 	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/) { }

   874       NodeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : 

   875 	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/, a) { }

   876     };

   877 

   878     template<typename T> class EdgeMap : public ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T> { 

   879     public:

   880       EdgeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : 

   881 	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/) { }

   882       EdgeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : 

   883 	ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/, a) { }

   884     };

   885   };

   886 

   887   template<typename GraphWrapper> 

   888   class FilterGraphWrapper {

   889   };

   890 

   891   template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>

   892   class FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> > : public ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> {

   893 

   894     //Graph* graph;

   895   

   896   public:

   897     //typedef Graph BaseGraph;

   898 

   899     typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Node Node;

   900     typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeIt NodeIt;

   901 

   902     typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Edge Edge;

   903     typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt OutEdgeIt;

   904     //typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::InEdgeIt InEdgeIt;

   905     //typedef typename Graph::SymEdgeIt SymEdgeIt;

   906     typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeIt EdgeIt;

   907 

   908     //FilterGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt> first_out_edges;

   909     

   910   public:

   911     FilterGraphWrapper(const Graph& _G, FlowMap& _flow, 

   912 			   const CapacityMap& _capacity) : 

   913       ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>(_G, _flow, _capacity), dist(*this, graph->nodeNum()) { 

   914     }

   915 

   916     OutEdgeIt& first(OutEdgeIt& e, const Node& n) const {

   917       ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::first(e, n);

   918       while (valid(e) && (dist.get(tail(e))/*+1!=*/>=dist.get(head(e)))) 

   919 	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);

   920       return e;

   921     }

   922 

   923     NodeIt& next(NodeIt& e) const {

   924       return ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);

   925     }

   926 

   927     OutEdgeIt& next(OutEdgeIt& e) const {

   928       ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);

   929       while (valid(e) && (dist.get(tail(e))/*+1!*/>=dist.get(head(e)))) 

   930 	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);

   931       return e;

   932     }

   933 

   934     NodeIt& first(NodeIt& n) const {

   935       return ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::first(n);

   936     }

   937 

   938     void erase(const Edge& e) {

   939       OutEdgeIt f(e);

   940       ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(f);

   941       while (valid(f) && (dist.get(tail(f))/*+1!=*/>=dist.get(head(f)))) 

   942 	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(f);

   943       first_out_edges.set(this->tail(e), f);

   944     }

   945 

   946     //TrivGraphWrapper() : graph(0) { }

   947     //TrivGraphWrapper(Graph& _graph) : graph(&_graph) { }

   948 

   949     //void setGraph(Graph& _graph) { graph = &_graph; }

   950     //Graph& getGraph() const { return (*graph); }

   951     

   952     //template<typename I> I& first(I& i) const { return graph->first(i); }

   953     //template<typename I, typename P> I& first(I& i, const P& p) const { 

   954     //  return graph->first(i, p); }

   955     

   956     //template<typename I> I getNext(const I& i) const { 

   957     //  return graph->getNext(i); }

   958     //template<typename I> I& next(I &i) const { return graph->next(i); }    

   959 

   960     template< typename It > It first() const { 

   961       It e; first(e); return e; }

   962 

   963     template< typename It > It first(const Node& v) const { 

   964       It e; first(e, v); return e; }

   965 

   966     //Node head(const Edge& e) const { return graph->head(e); }

   967     //Node tail(const Edge& e) const { return graph->tail(e); }

   968 

   969     //template<typename I> bool valid(const I& i) const 

   970     //  { return graph->valid(i); }

   971   

   972     //template<typename I> void setInvalid(const I &i);

   973     //{ return graph->setInvalid(i); }

   974 

   975     //int nodeNum() const { return graph->nodeNum(); }

   976     //int edgeNum() const { return graph->edgeNum(); }

   977   

   978     //template<typename I> Node aNode(const I& e) const { 

   979     //  return graph->aNode(e); }

   980     //template<typename I> Node bNode(const I& e) const { 

   981     //  return graph->bNode(e); }

   982   

   983     //Node addNode() const { return graph->addNode(); }

   984     //Edge addEdge(const Node& tail, const Node& head) const { 

   985     //  return graph->addEdge(tail, head); }

   986   

   987     //template<typename I> void erase(const I& i) const { graph->erase(i); }

   988   

   989     //void clear() const { graph->clear(); }

   990     

   991     template<typename T> class NodeMap : public ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T> { 

   992     public:

   993       NodeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G) : 

   994 	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/) { }

   995       NodeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G, T a) : 

   996 	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/, a) { }

   997     };

   998 

   999     template<typename T> class EdgeMap : public ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T> { 

  1000     public:

  1001       EdgeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G) : 

  1002 	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/) { }

  1003       EdgeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G, T a) : 

  1004 	ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/, a) { }

  1005     };

  1006 

  1007   public:

  1008     ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<int> dist;

  1009 

  1010   };

  1011 

  1012 

  1013 

  1014 // // FIXME: comparison should be made better!!!

  1015 //   template<typename Graph, typename T, typename LowerMap, typename FlowMap, typename UpperMap>

  1016 //   class ResGraphWrapper

  1017 //   {

  1018 //     Graph* graph;

  1019   

  1020 //   public:

  1021 //     typedef Graph BaseGraph;

  1022 

  1023 //     typedef typename Graph::Node Node;

  1024 //     typedef typename Graph::Edge Edge;

  1025   

  1026 //     typedef typename Graph::NodeIt NodeIt;

  1027    

  1028 //     class OutEdgeIt {

  1029 //     public:

  1030 //       //Graph::Node n;

  1031 //       bool out_or_in;

  1032 //       typename Graph::OutEdgeIt o;

  1033 //       typename Graph::InEdgeIt i;   

  1034 //     };

  1035 //     class InEdgeIt {

  1036 //     public:

  1037 //       //Graph::Node n;

  1038 //       bool out_or_in;

  1039 //       typename Graph::OutEdgeIt o;

  1040 //       typename Graph::InEdgeIt i;   

  1041 //     };

  1042 //     typedef typename Graph::SymEdgeIt SymEdgeIt;

  1043 //     typedef typename Graph::EdgeIt EdgeIt;

  1044 

  1045 //     int nodeNum() const { return graph->nodeNum(); }

  1046 //     int edgeNum() const { return graph->edgeNum(); }

  1047 

  1048 //     Node& first(Node& n) const { return graph->first(n); }

  1049 

  1050 //     // Edge and SymEdge  is missing!!!!

  1051 //     // Edge <-> In/OutEdgeIt conversion is missing!!!!

  1052 

  1053 //     //FIXME

  1054 //     OutEdgeIt& first(OutEdgeIt& e, const Node& n) const 

  1055 //       {

  1056 // 	e.n=n;

  1057 // 	graph->first(e.o,n);

  1058 // 	while(graph->valid(e.o) && fmap.get(e.o)>=himap.get(e.o))

  1059 // 	  graph->goNext(e.o);

  1060 // 	if(!graph->valid(e.o)) {

  1061 // 	  graph->first(e.i,n);

  1062 // 	  while(graph->valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))

  1063 // 	    graph->goNext(e.i);

  1064 // 	}

  1065 // 	return e;

  1066 //       }

  1067 // /*

  1068 //   OutEdgeIt &goNext(OutEdgeIt &e)

  1069 //   {

  1070 //   if(graph->valid(e.o)) {

  1071 //   while(graph->valid(e.o) && fmap.get(e.o)>=himap.get(e.o))

  1072 //   graph->goNext(e.o);

  1073 //   if(graph->valid(e.o)) return e;

  1074 //   else graph->first(e.i,e.n);

  1075 //   }

  1076 //   else {

  1077 //   while(graph->valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))

  1078 //   graph->goNext(e.i);

  1079 //   return e;

  1080 //   }

  1081 //   }

  1082 //   OutEdgeIt Next(const OutEdgeIt &e) {OutEdgeIt t(e); return goNext(t);}

  1083 // */

  1084 //     //bool valid(const OutEdgeIt e) { return graph->valid(e.o)||graph->valid(e.i);}

  1085 

  1086 //     //FIXME

  1087 //     InEdgeIt& first(InEdgeIt& e, const Node& n) const 

  1088 //       {

  1089 // 	e.n=n;

  1090 // 	graph->first(e.i,n);

  1091 // 	while(graph->valid(e.i) && fmap.get(e.i)>=himap.get(e.i))

  1092 // 	  graph->goNext(e.i);

  1093 // 	if(!graph->valid(e.i)) {

  1094 // 	  graph->first(e.o,n);

  1095 // 	  while(graph->valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))

  1096 // 	    graph->goNext(e.o);

  1097 // 	}

  1098 // 	return e;

  1099 //       }

  1100 // /*

  1101 //   InEdgeIt &goNext(InEdgeIt &e)

  1102 //   {

  1103 //   if(graph->valid(e.i)) {

  1104 //   while(graph->valid(e.i) && fmap.get(e.i)>=himap.get(e.i))

  1105 //   graph->goNext(e.i);

  1106 //   if(graph->valid(e.i)) return e;

  1107 //   else graph->first(e.o,e.n);

  1108 //   }

  1109 //   else {

  1110 //   while(graph->valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))

  1111 //   graph->goNext(e.o);

  1112 //   return e;

  1113 //   }

  1114 //   }

  1115 //   InEdgeIt Next(const InEdgeIt &e) {InEdgeIt t(e); return goNext(t);}

  1116 // */

  1117 //     //bool valid(const InEdgeIt e) { return graph->valid(e.i)||graph->valid(e.o);}

  1118 

  1119 //     //template<typename I> I &goNext(I &i); { return graph->goNext(i); }

  1120 //     //template<typename I> I next(const I i); { return graph->goNext(i); }

  1121 

  1122 //     template< typename It > It first() const { 

  1123 //       It e; first(e); return e; }

  1124 

  1125 //     template< typename It > It first(Node v) const { 

  1126 //       It e; first(e, v); return e; }

  1127 

  1128 //     Node head(const Edge& e) const { return graph->head(e); }

  1129 //     Node tail(const Edge& e) const { return graph->tail(e); }

  1130   

  1131 //     template<typename I> Node aNode(const I& e) const { 

  1132 //       return graph->aNode(e); }

  1133 //     template<typename I> Node bNode(const I& e) const { 

  1134 //       return graph->bNode(e); }

  1135   

  1136 //     //template<typename I> bool valid(const I i);

  1137 //     //{ return graph->valid(i); }

  1138   

  1139 //     //template<typename I> void setInvalid(const I &i);

  1140 //     //{ return graph->setInvalid(i); }

  1141   

  1142 //     Node addNode() { return graph->addNode(); }

  1143 //     Edge addEdge(const Node& tail, const Node& head) { 

  1144 //       return graph->addEdge(tail, head); }

  1145   

  1146 //     template<typename I> void erase(const I& i) { graph->erase(i); }

  1147   

  1148 //     void clear() { graph->clear(); }

  1149   

  1150 //     template<typename S> class NodeMap : public Graph::NodeMap<S> { };

  1151 //     template<typename S> class EdgeMap : public Graph::EdgeMap<S> { };

  1152   

  1153 //     void setGraph(Graph& _graph) { graph = &_graph; }

  1154 //     Graph& getGraph() { return (*graph); }

  1155 

  1156 //     //ResGraphWrapper() : graph(0) { }

  1157 //     ResGraphWrapper(Graph& _graph) : graph(&_graph) { }

  1158 //   };

  1159 

  1160 } //namespace hugo

  1161 

  1162 #endif //GRAPH_WRAPPER_H

  1163
lemon-0.x