.
2 #ifndef GRAPH_WRAPPER_H
3 #define GRAPH_WRAPPER_H
9 template<typename Graph>
10 class TrivGraphWrapper {
14 typedef Graph BaseGraph;
16 typedef typename Graph::Node Node;
17 typedef typename Graph::NodeIt NodeIt;
19 typedef typename Graph::Edge Edge;
20 typedef typename Graph::OutEdgeIt OutEdgeIt;
21 typedef typename Graph::InEdgeIt InEdgeIt;
22 //typedef typename Graph::SymEdgeIt SymEdgeIt;
23 typedef typename Graph::EdgeIt EdgeIt;
25 //TrivGraphWrapper() : graph(0) { }
26 TrivGraphWrapper(Graph& _graph) : graph(&_graph) { }
28 void setGraph(Graph& _graph) { graph = &_graph; }
29 Graph& getGraph() const { return (*graph); }
31 template<typename I> I& /*getF*/first(I& i) const { return graph->/*getF*/first(i); }
32 template<typename I, typename P> I& /*getF*/first(I& i, const P& p) const {
33 return graph->/*getF*/first(i, p); }
35 template<typename I> I getNext(const I& i) const {
36 return graph->getNext(i); }
37 template<typename I> I& next(I &i) const { return graph->next(i); }
39 template< typename It > It first() const {
40 It e; /*getF*/first(e); return e; }
42 template< typename It > It first(const Node& v) const {
43 It e; /*getF*/first(e, v); return e; }
45 Node head(const Edge& e) const { return graph->head(e); }
46 Node tail(const Edge& e) const { return graph->tail(e); }
48 template<typename I> bool valid(const I& i) const
49 { return graph->valid(i); }
51 //template<typename I> void setInvalid(const I &i);
52 //{ return graph->setInvalid(i); }
54 int nodeNum() const { return graph->nodeNum(); }
55 int edgeNum() const { return graph->edgeNum(); }
57 template<typename I> Node aNode(const I& e) const {
58 return graph->aNode(e); }
59 template<typename I> Node bNode(const I& e) const {
60 return graph->bNode(e); }
62 Node addNode() const { return graph->addNode(); }
63 Edge addEdge(const Node& tail, const Node& head) const {
64 return graph->addEdge(tail, head); }
66 template<typename I> void erase(const I& i) const { graph->erase(i); }
68 void clear() const { graph->clear(); }
70 template<typename T> class NodeMap : public Graph::NodeMap<T> {
72 NodeMap(const TrivGraphWrapper<Graph>& _G) :
73 Graph::NodeMap<T>(_G.getGraph()) { }
74 NodeMap(const TrivGraphWrapper<Graph>& _G, T a) :
75 Graph::NodeMap<T>(_G.getGraph(), a) { }
78 template<typename T> class EdgeMap : public Graph::EdgeMap<T> {
80 EdgeMap(const TrivGraphWrapper<Graph>& _G) :
81 Graph::EdgeMap<T>(_G.getGraph()) { }
82 EdgeMap(const TrivGraphWrapper<Graph>& _G, T a) :
83 Graph::EdgeMap<T>(_G.getGraph(), a) { }
87 template<typename Graph>
93 typedef Graph BaseGraph;
95 typedef typename Graph::Node Node;
96 typedef typename Graph::NodeIt NodeIt;
98 typedef typename Graph::Edge Edge;
99 typedef typename Graph::OutEdgeIt InEdgeIt;
100 typedef typename Graph::InEdgeIt OutEdgeIt;
101 //typedef typename Graph::SymEdgeIt SymEdgeIt;
102 typedef typename Graph::EdgeIt EdgeIt;
104 //RevGraphWrapper() : graph(0) { }
105 RevGraphWrapper(Graph& _graph) : graph(&_graph) { }
107 void setGraph(Graph& _graph) { graph = &_graph; }
108 Graph& getGraph() const { return (*graph); }
110 template<typename I> I& /*getF*/first(I& i) const { return graph->/*getF*/first(i); }
111 template<typename I, typename P> I& /*getF*/first(I& i, const P& p) const {
112 return graph->/*getF*/first(i, p); }
114 template<typename I> I getNext(const I& i) const {
115 return graph->getNext(i); }
116 template<typename I> I& next(I &i) const { return graph->next(i); }
118 template< typename It > It first() const {
119 It e; /*getF*/first(e); return e; }
121 template< typename It > It first(const Node& v) const {
122 It e; /*getF*/first(e, v); return e; }
124 Node head(const Edge& e) const { return graph->tail(e); }
125 Node tail(const Edge& e) const { return graph->head(e); }
127 template<typename I> bool valid(const I& i) const
128 { return graph->valid(i); }
130 //template<typename I> void setInvalid(const I &i);
131 //{ return graph->setInvalid(i); }
133 template<typename I> Node aNode(const I& e) const {
134 return graph->aNode(e); }
135 template<typename I> Node bNode(const I& e) const {
136 return graph->bNode(e); }
138 Node addNode() const { return graph->addNode(); }
139 Edge addEdge(const Node& tail, const Node& head) const {
140 return graph->addEdge(tail, head); }
142 int nodeNum() const { return graph->nodeNum(); }
143 int edgeNum() const { return graph->edgeNum(); }
145 template<typename I> void erase(const I& i) const { graph->erase(i); }
147 void clear() const { graph->clear(); }
149 template<typename T> class NodeMap : public Graph::NodeMap<T> {
151 NodeMap(const RevGraphWrapper<Graph>& _G) :
152 Graph::NodeMap<T>(_G.getGraph()) { }
153 NodeMap(const RevGraphWrapper<Graph>& _G, T a) :
154 Graph::NodeMap<T>(_G.getGraph(), a) { }
157 template<typename T> class EdgeMap : public Graph::EdgeMap<T> {
159 EdgeMap(const RevGraphWrapper<Graph>& _G) :
160 Graph::EdgeMap<T>(_G.getGraph()) { }
161 EdgeMap(const RevGraphWrapper<Graph>& _G, T a) :
162 Graph::EdgeMap<T>(_G.getGraph(), a) { }
167 template<typename Graph>
168 class UndirGraphWrapper {
172 typedef Graph BaseGraph;
174 typedef typename Graph::Node Node;
175 typedef typename Graph::NodeIt NodeIt;
177 //typedef typename Graph::Edge Edge;
178 //typedef typename Graph::OutEdgeIt OutEdgeIt;
179 //typedef typename Graph::InEdgeIt InEdgeIt;
180 //typedef typename Graph::SymEdgeIt SymEdgeIt;
181 //typedef typename Graph::EdgeIt EdgeIt;
184 typedef typename Graph::Edge GraphEdge;
185 typedef typename Graph::OutEdgeIt GraphOutEdgeIt;
186 typedef typename Graph::InEdgeIt GraphInEdgeIt;
189 //UndirGraphWrapper() : graph(0) { }
190 UndirGraphWrapper(Graph& _graph) : graph(&_graph) { }
192 void setGraph(Graph& _graph) { graph = &_graph; }
193 Graph& getGraph() const { return (*graph); }
196 friend class UndirGraphWrapper<Graph>;
197 bool out_or_in; //true iff out
201 Edge() : out_or_in(), out(), in() { }
202 Edge(const Invalid& i) : out_or_in(false), out(), in(i) { }
203 operator GraphEdge() const {
204 if (out_or_in) return(out); else return(in);
206 friend bool operator==(const Edge& u, const Edge& v) {
208 return (u.out_or_in && u.out==v.out);
210 return (!u.out_or_in && u.in==v.in);
212 friend bool operator!=(const Edge& u, const Edge& v) {
214 return (!u.out_or_in || u.out!=v.out);
216 return (u.out_or_in || u.in!=v.in);
220 class OutEdgeIt : public Edge {
221 friend class UndirGraphWrapper<Graph>;
223 OutEdgeIt() : Edge() { }
224 OutEdgeIt(const Invalid& i) : Edge(i) { }
225 OutEdgeIt(const UndirGraphWrapper& _G, const Node& n) : Edge() {
227 _G.graph->/*getF*/first(out, n);
228 if (!(_G.graph->valid(out))) {
230 _G.graph->/*getF*/first(in, n);
235 OutEdgeIt& /*getF*/first(OutEdgeIt& e, const Node& n) const {
237 graph->/*getF*/first(e.out, n);
238 if (!(graph->valid(e.out))) {
240 graph->/*getF*/first(e.in, n);
245 OutEdgeIt& next(OutEdgeIt& e) const {
247 Node n=graph->tail(e.out);
249 if (!graph->valid(e.out)) {
251 graph->/*getF*/first(e.in, n);
259 Node aNode(const OutEdgeIt& e) const {
260 if (e.out_or_in) return graph->tail(e); else return graph->head(e); }
261 Node bNode(const OutEdgeIt& e) const {
262 if (e.out_or_in) return graph->head(e); else return graph->tail(e); }
264 typedef OutEdgeIt InEdgeIt;
266 template<typename I> I& /*getF*/first(I& i) const { return graph->/*getF*/first(i); }
267 // template<typename I, typename P> I& /*getF*/first(I& i, const P& p) const {
268 // return graph->/*getF*/first(i, p); }
270 template<typename I> I getNext(const I& i) const {
271 return graph->getNext(i); }
272 template<typename I> I& next(I &i) const { return graph->next(i); }
274 template< typename It > It first() const {
275 It e; /*getF*/first(e); return e; }
277 template< typename It > It first(const Node& v) const {
278 It e; /*getF*/first(e, v); return e; }
280 Node head(const Edge& e) const { return graph->head(e); }
281 Node tail(const Edge& e) const { return graph->tail(e); }
283 template<typename I> bool valid(const I& i) const
284 { return graph->valid(i); }
286 //template<typename I> void setInvalid(const I &i);
287 //{ return graph->setInvalid(i); }
289 int nodeNum() const { return graph->nodeNum(); }
290 int edgeNum() const { return graph->edgeNum(); }
292 // template<typename I> Node aNode(const I& e) const {
293 // return graph->aNode(e); }
294 // template<typename I> Node bNode(const I& e) const {
295 // return graph->bNode(e); }
297 Node addNode() const { return graph->addNode(); }
298 Edge addEdge(const Node& tail, const Node& head) const {
299 return graph->addEdge(tail, head); }
301 template<typename I> void erase(const I& i) const { graph->erase(i); }
303 void clear() const { graph->clear(); }
305 template<typename T> class NodeMap : public Graph::NodeMap<T> {
307 NodeMap(const UndirGraphWrapper<Graph>& _G) :
308 Graph::NodeMap<T>(_G.getGraph()) { }
309 NodeMap(const UndirGraphWrapper<Graph>& _G, T a) :
310 Graph::NodeMap<T>(_G.getGraph(), a) { }
313 template<typename T> class EdgeMap : public Graph::EdgeMap<T> {
315 EdgeMap(const UndirGraphWrapper<Graph>& _G) :
316 Graph::EdgeMap<T>(_G.getGraph()) { }
317 EdgeMap(const UndirGraphWrapper<Graph>& _G, T a) :
318 Graph::EdgeMap<T>(_G.getGraph(), a) { }
324 // template<typename Graph>
325 // class SymGraphWrapper
330 // typedef Graph BaseGraph;
332 // typedef typename Graph::Node Node;
333 // typedef typename Graph::Edge Edge;
335 // typedef typename Graph::NodeIt NodeIt;
337 // //FIXME tag-ekkel megcsinalni, hogy abbol csinaljon
338 // //iranyitatlant, ami van
339 // //mert csak 1 dolgot lehet be typedef-elni
340 // typedef typename Graph::OutEdgeIt SymEdgeIt;
341 // //typedef typename Graph::InEdgeIt SymEdgeIt;
342 // //typedef typename Graph::SymEdgeIt SymEdgeIt;
343 // typedef typename Graph::EdgeIt EdgeIt;
345 // int nodeNum() const { return graph->nodeNum(); }
346 // int edgeNum() const { return graph->edgeNum(); }
348 // template<typename I> I& /*getF*/first(I& i) const { return graph->/*getF*/first(i); }
349 // template<typename I, typename P> I& /*getF*/first(I& i, const P& p) const {
350 // return graph->/*getF*/first(i, p); }
351 // //template<typename I> I next(const I i); { return graph->goNext(i); }
352 // //template<typename I> I &goNext(I &i); { return graph->goNext(i); }
354 // template< typename It > It first() const {
355 // It e; /*getF*/first(e); return e; }
357 // template< typename It > It first(Node v) const {
358 // It e; /*getF*/first(e, v); return e; }
360 // Node head(const Edge& e) const { return graph->head(e); }
361 // Node tail(const Edge& e) const { return graph->tail(e); }
363 // template<typename I> Node aNode(const I& e) const {
364 // return graph->aNode(e); }
365 // template<typename I> Node bNode(const I& e) const {
366 // return graph->bNode(e); }
368 // //template<typename I> bool valid(const I i);
369 // //{ return graph->valid(i); }
371 // //template<typename I> void setInvalid(const I &i);
372 // //{ return graph->setInvalid(i); }
374 // Node addNode() { return graph->addNode(); }
375 // Edge addEdge(const Node& tail, const Node& head) {
376 // return graph->addEdge(tail, head); }
378 // template<typename I> void erase(const I& i) { graph->erase(i); }
380 // void clear() { graph->clear(); }
382 // template<typename T> class NodeMap : public Graph::NodeMap<T> { };
383 // template<typename T> class EdgeMap : public Graph::EdgeMap<T> { };
385 // void setGraph(Graph& _graph) { graph = &_graph; }
386 // Graph& getGraph() { return (*graph); }
388 // //SymGraphWrapper() : graph(0) { }
389 // SymGraphWrapper(Graph& _graph) : graph(&_graph) { }
393 template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>
394 class ResGraphWrapper {
396 typedef Graph BaseGraph;
397 typedef typename Graph::Node Node;
398 typedef typename Graph::NodeIt NodeIt;
400 typedef typename Graph::OutEdgeIt OldOutEdgeIt;
401 typedef typename Graph::InEdgeIt OldInEdgeIt;
404 const CapacityMap* capacity;
407 ResGraphWrapper(const Graph& _G, FlowMap& _flow,
408 const CapacityMap& _capacity) :
409 graph(&_G), flow(&_flow), capacity(&_capacity) { }
411 void setGraph(const Graph& _graph) { graph = &_graph; }
412 const Graph& getGraph() const { return (*graph); }
417 friend class OutEdgeIt;
420 friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
422 bool out_or_in; //true, iff out
426 Edge() : out_or_in(true) { }
427 Edge(const Invalid& i) : out_or_in(false), out(), in(i) { }
428 // bool valid() const {
429 // return out_or_in && out.valid() || in.valid(); }
430 friend bool operator==(const Edge& u, const Edge& v) {
432 return (u.out_or_in && u.out==v.out);
434 return (!u.out_or_in && u.in==v.in);
436 friend bool operator!=(const Edge& u, const Edge& v) {
438 return (!u.out_or_in || u.out!=v.out);
440 return (u.out_or_in || u.in!=v.in);
445 class OutEdgeIt : public Edge {
446 friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
450 OutEdgeIt(const Edge& e) : Edge(e) { }
451 OutEdgeIt(const Invalid& i) : Edge(i) { }
453 OutEdgeIt(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& resG, Node v) : Edge() {
454 resG.graph->/*getF*/first(out, v);
455 while( resG.graph->valid(out) && !(resG.free(out)>0) ) { resG.graph->next(out); }
456 if (!resG.graph->valid(out)) {
458 resG.graph->/*getF*/first(in, v);
459 while( resG.graph->valid(in) && !(resG.free(in)>0) ) { resG.graph->next(in); }
463 // OutEdgeIt& operator++() {
465 // Node v=/*resG->*/G->aNode(out);
467 // while( out.valid() && !(Edge::free()>0) ) { ++out; }
468 // if (!out.valid()) {
470 // G->/*getF*/first(in, v);
471 // while( in.valid() && !(Edge::free()>0) ) { ++in; }
475 // while( in.valid() && !(Edge::free()>0) ) { ++in; }
481 class EdgeIt : public Edge {
482 friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
483 typename Graph::NodeIt v;
486 //EdgeIt(const EdgeIt& e) : Edge(e), v(e.v) { }
487 EdgeIt(const Invalid& i) : Edge(i) { }
488 EdgeIt(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& resG) : Edge() {
489 resG.graph->/*getF*/first(v);
490 if (resG.graph->valid(v)) resG.graph->/*getF*/first(out, v); else out=OldOutEdgeIt(INVALID);
491 while (resG.graph->valid(out) && !(resG.free(out)>0) ) { resG.graph->next(out); }
492 while (resG.graph->valid(v) && !resG.graph->valid(out)) {
494 if (resG.graph->valid(v)) resG.graph->/*getF*/first(out, v);
495 while (resG.graph->valid(out) && !(resG.free(out)>0) ) { resG.graph->next(out); }
497 if (!resG.graph->valid(out)) {
499 resG.graph->/*getF*/first(v);
500 if (resG.graph->valid(v)) resG.graph->/*getF*/first(in, v); else in=OldInEdgeIt(INVALID);
501 while (resG.graph->valid(in) && !(resG.free(in)>0) ) { resG.graph->next(in); }
502 while (resG.graph->valid(v) && !resG.graph->valid(in)) {
504 if (resG.graph->valid(v)) resG.graph->/*getF*/first(in, v);
505 while (resG.graph->valid(in) && !(resG.free(in)>0) ) { resG.graph->next(in); }
509 // EdgeIt& operator++() {
512 // while (out.valid() && !(Edge::free()>0) ) { ++out; }
513 // while (v.valid() && !out.valid()) {
515 // if (v.valid()) G->/*getF*/first(out, v);
516 // while (out.valid() && !(Edge::free()>0) ) { ++out; }
518 // if (!out.valid()) {
520 // G->/*getF*/first(v);
521 // if (v.valid()) G->/*getF*/first(in, v); else in=OldInEdgeIt();
522 // while (in.valid() && !(Edge::free()>0) ) { ++in; }
523 // while (v.valid() && !in.valid()) {
525 // if (v.valid()) G->/*getF*/first(in, v);
526 // while (in.valid() && !(Edge::free()>0) ) { ++in; }
531 // while (in.valid() && !(Edge::free()>0) ) { ++in; }
532 // while (v.valid() && !in.valid()) {
534 // if (v.valid()) G->/*getF*/first(in, v);
535 // while (in.valid() && !(Edge::free()>0) ) { ++in; }
542 NodeIt& /*getF*/first(NodeIt& v) const { return graph->/*getF*/first(v); }
543 OutEdgeIt& /*getF*/first(OutEdgeIt& e, Node v) const {
544 e=OutEdgeIt(*this, v);
547 EdgeIt& /*getF*/first(EdgeIt& e) const {
552 NodeIt& next(NodeIt& n) const { return graph->next(n); }
554 OutEdgeIt& next(OutEdgeIt& e) const {
556 Node v=graph->aNode(e.out);
558 while( graph->valid(e.out) && !(free(e.out)>0) ) { graph->next(e.out); }
559 if (!graph->valid(e.out)) {
561 graph->/*getF*/first(e.in, v);
562 while( graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
566 while( graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
571 EdgeIt& next(EdgeIt& e) const {
574 while (graph->valid(e.out) && !(free(e.out)>0) ) { graph->next(e.out); }
575 while (graph->valid(e.v) && !graph->valid(e.out)) {
577 if (graph->valid(e.v)) graph->/*getF*/first(e.out, e.v);
578 while (graph->valid(e.out) && !(free(e.out)>0) ) { graph->next(e.out); }
580 if (!graph->valid(e.out)) {
582 graph->/*getF*/first(e.v);
583 if (graph->valid(e.v)) graph->/*getF*/first(e.in, e.v); else e.in=OldInEdgeIt(INVALID);
584 while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
585 while (graph->valid(e.v) && !graph->valid(e.in)) {
587 if (graph->valid(e.v)) graph->/*getF*/first(e.in, e.v);
588 while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
593 while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
594 while (graph->valid(e.v) && !graph->valid(e.in)) {
596 if (graph->valid(e.v)) graph->/*getF*/first(e.in, e.v);
597 while (graph->valid(e.in) && !(free(e.in)>0) ) { graph->next(e.in); }
604 template< typename It >
611 template< typename It >
612 It first(Node v) const {
618 Node tail(Edge e) const {
619 return ((e.out_or_in) ? graph->aNode(e.out) : graph->aNode(e.in)); }
620 Node head(Edge e) const {
621 return ((e.out_or_in) ? graph->bNode(e.out) : graph->bNode(e.in)); }
623 Node aNode(OutEdgeIt e) const {
624 return ((e.out_or_in) ? graph->aNode(e.out) : graph->aNode(e.in)); }
625 Node bNode(OutEdgeIt e) const {
626 return ((e.out_or_in) ? graph->bNode(e.out) : graph->bNode(e.in)); }
628 int id(Node v) const { return graph->id(v); }
630 bool valid(Node n) const { return graph->valid(n); }
631 bool valid(Edge e) const {
632 return e.out_or_in ? graph->valid(e.out) : graph->valid(e.in); }
634 void augment(const Edge& e, Number a) const {
636 flow->set(e.out, flow->get(e.out)+a);
638 flow->set(e.in, flow->get(e.in)-a);
641 Number free(const Edge& e) const {
643 return (capacity->get(e.out)-flow->get(e.out));
645 return (flow->get(e.in));
648 Number free(OldOutEdgeIt out) const {
649 return (capacity->get(out)-flow->get(out));
652 Number free(OldInEdgeIt in) const {
653 return (flow->get(in));
656 template<typename T> class NodeMap : public Graph::NodeMap<T> {
658 NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G)
659 : Graph::NodeMap<T>(_G.getGraph()) { }
660 NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G,
661 T a) : Graph::NodeMap<T>(_G.getGraph(), a) { }
664 // template <typename T>
666 // typename Graph::NodeMap<T> node_map;
668 // NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : node_map(*(_G.graph)) { }
669 // NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : node_map(*(_G.graph), a) { }
670 // void set(Node nit, T a) { node_map.set(nit, a); }
671 // T get(Node nit) const { return node_map.get(nit); }
674 template <typename T>
676 typename Graph::EdgeMap<T> forward_map, backward_map;
678 EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : forward_map(_G.getGraph()), backward_map(_G.getGraph()) { }
679 EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : forward_map(_G.getGraph(), a), backward_map(_G.getGraph(), a) { }
680 void set(Edge e, T a) {
682 forward_map.set(e.out, a);
684 backward_map.set(e.in, a);
688 return forward_map.get(e.out);
690 return backward_map.get(e.in);
695 template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>
696 class ErasingResGraphWrapper : public ResGraphWrapper<Graph, Number, FlowMap, CapacityMap> {
698 ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt> first_out_edges;
699 //ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<int> dist;
701 ErasingResGraphWrapper(const Graph& _G, FlowMap& _flow,
702 const CapacityMap& _capacity) :
703 ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>(_G, _flow, _capacity),
704 first_out_edges(*this) /*, dist(*this)*/ {
705 for(NodeIt n=this->template first<NodeIt>(); this->valid(n); this->next(n)) {
707 ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::/*getF*/first(e, n);
708 first_out_edges.set(n, e);
712 //void setGraph(Graph& _graph) { graph = &_graph; }
713 //Graph& getGraph() const { return (*graph); }
715 //TrivGraphWrapper() : graph(0) { }
716 //ErasingResGraphWrapper(Graph& _graph) : graph(&_graph) { }
718 //typedef Graph BaseGraph;
720 //typedef typename Graph::Node Node;
721 //typedef typename Graph::NodeIt NodeIt;
723 //typedef typename Graph::Edge Edge;
724 //typedef typename Graph::OutEdgeIt OutEdgeIt;
725 //typedef typename Graph::InEdgeIt InEdgeIt;
726 //typedef typename Graph::SymEdgeIt SymEdgeIt;
727 //typedef typename Graph::EdgeIt EdgeIt;
729 typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Node Node;
730 typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeIt NodeIt;
732 typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Edge Edge;
733 typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt OutEdgeIt;
734 //typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::InEdgeIt InEdgeIt;
735 //typedef typename Graph::SymEdgeIt SymEdgeIt;
736 //typedef typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeIt EdgeIt;
738 NodeIt& /*getF*/first(NodeIt& n) const {
739 return ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::/*getF*/first(n);
742 OutEdgeIt& /*getF*/first(OutEdgeIt& e, const Node& n) const {
743 e=first_out_edges.get(n);
747 //ROSSZ template<typename I> I& /*getF*/first(I& i) const { return /*getF*/first(i); }
748 //ROSSZ template<typename I, typename P> I& /*getF*/first(I& i, const P& p) const {
749 // return /*getF*/first(i, p); }
751 //template<typename I> I getNext(const I& i) const {
752 // return graph->getNext(i); }
753 //template<typename I> I& next(I &i) const { return graph->next(i); }
755 template< typename It > It first() const {
756 It e; /*getF*/first(e); return e; }
758 template< typename It > It first(const Node& v) const {
759 It e; /*getF*/first(e, v); return e; }
761 //Node head(const Edge& e) const { return graph->head(e); }
762 //Node tail(const Edge& e) const { return graph->tail(e); }
764 //template<typename I> bool valid(const I& i) const
765 // { return graph->valid(i); }
767 //int nodeNum() const { return graph->nodeNum(); }
768 //int edgeNum() const { return graph->edgeNum(); }
770 //template<typename I> Node aNode(const I& e) const {
771 // return graph->aNode(e); }
772 //template<typename I> Node bNode(const I& e) const {
773 // return graph->bNode(e); }
775 //Node addNode() const { return graph->addNode(); }
776 //Edge addEdge(const Node& tail, const Node& head) const {
777 // return graph->addEdge(tail, head); }
779 //void erase(const OutEdgeIt& e) {
780 // first_out_edge(this->tail(e))=e;
782 void erase(const Edge& e) {
785 first_out_edges.set(this->tail(e), f);
787 //template<typename I> void erase(const I& i) const { graph->erase(i); }
789 //void clear() const { graph->clear(); }
791 template<typename T> class NodeMap : public ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T> {
793 NodeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) :
794 ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/) { }
795 NodeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) :
796 ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/, a) { }
799 template<typename T> class EdgeMap : public ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T> {
801 EdgeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) :
802 ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/) { }
803 EdgeMap(const ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) :
804 ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/, a) { }
808 template<typename GraphWrapper>
809 class FilterGraphWrapper {
812 template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>
813 class FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> > : public ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> {
818 //typedef Graph BaseGraph;
820 typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Node Node;
821 typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeIt NodeIt;
823 typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::Edge Edge;
824 typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt OutEdgeIt;
825 //typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::InEdgeIt InEdgeIt;
826 //typedef typename Graph::SymEdgeIt SymEdgeIt;
827 typedef typename ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeIt EdgeIt;
829 //FilterGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<typename ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::OutEdgeIt> first_out_edges;
832 FilterGraphWrapper(const Graph& _G, FlowMap& _flow,
833 const CapacityMap& _capacity) :
834 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>(_G, _flow, _capacity), dist(*this) {
837 OutEdgeIt& /*getF*/first(OutEdgeIt& e, const Node& n) const {
838 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::/*getF*/first(e, n);
839 while (valid(e) && (dist.get(tail(e))+1!=dist.get(head(e))))
840 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);
844 NodeIt& next(NodeIt& e) const {
845 return ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);
848 OutEdgeIt& next(OutEdgeIt& e) const {
849 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);
850 while (valid(e) && (dist.get(tail(e))+1!=dist.get(head(e))))
851 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(e);
855 NodeIt& /*getF*/first(NodeIt& n) const {
856 return ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::/*getF*/first(n);
859 void erase(const Edge& e) {
861 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(f);
862 while (valid(f) && (dist.get(tail(f))+1!=dist.get(head(f))))
863 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::next(f);
864 first_out_edges.set(this->tail(e), f);
867 //TrivGraphWrapper() : graph(0) { }
868 //TrivGraphWrapper(Graph& _graph) : graph(&_graph) { }
870 //void setGraph(Graph& _graph) { graph = &_graph; }
871 //Graph& getGraph() const { return (*graph); }
873 //template<typename I> I& /*getF*/first(I& i) const { return graph->/*getF*/first(i); }
874 //template<typename I, typename P> I& /*getF*/first(I& i, const P& p) const {
875 // return graph->/*getF*/first(i, p); }
877 //template<typename I> I getNext(const I& i) const {
878 // return graph->getNext(i); }
879 //template<typename I> I& next(I &i) const { return graph->next(i); }
881 template< typename It > It first() const {
882 It e; /*getF*/first(e); return e; }
884 template< typename It > It first(const Node& v) const {
885 It e; /*getF*/first(e, v); return e; }
887 //Node head(const Edge& e) const { return graph->head(e); }
888 //Node tail(const Edge& e) const { return graph->tail(e); }
890 //template<typename I> bool valid(const I& i) const
891 // { return graph->valid(i); }
893 //template<typename I> void setInvalid(const I &i);
894 //{ return graph->setInvalid(i); }
896 //int nodeNum() const { return graph->nodeNum(); }
897 //int edgeNum() const { return graph->edgeNum(); }
899 //template<typename I> Node aNode(const I& e) const {
900 // return graph->aNode(e); }
901 //template<typename I> Node bNode(const I& e) const {
902 // return graph->bNode(e); }
904 //Node addNode() const { return graph->addNode(); }
905 //Edge addEdge(const Node& tail, const Node& head) const {
906 // return graph->addEdge(tail, head); }
908 //template<typename I> void erase(const I& i) const { graph->erase(i); }
910 //void clear() const { graph->clear(); }
912 template<typename T> class NodeMap : public ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T> {
914 NodeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G) :
915 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/) { }
916 NodeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G, T a) :
917 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<T>(_G /*_G.getGraph()*/, a) { }
920 template<typename T> class EdgeMap : public ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T> {
922 EdgeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G) :
923 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/) { }
924 EdgeMap(const FilterGraphWrapper<ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap> >& _G, T a) :
925 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::EdgeMap<T>(_G /*_G.getGraph()*/, a) { }
929 ErasingResGraphWrapper<Graph, Number, FlowMap, CapacityMap>::NodeMap<int> dist;
935 // // FIXME: comparison should be made better!!!
936 // template<typename Graph, typename T, typename LowerMap, typename FlowMap, typename UpperMap>
937 // class ResGraphWrapper
942 // typedef Graph BaseGraph;
944 // typedef typename Graph::Node Node;
945 // typedef typename Graph::Edge Edge;
947 // typedef typename Graph::NodeIt NodeIt;
953 // typename Graph::OutEdgeIt o;
954 // typename Graph::InEdgeIt i;
960 // typename Graph::OutEdgeIt o;
961 // typename Graph::InEdgeIt i;
963 // typedef typename Graph::SymEdgeIt SymEdgeIt;
964 // typedef typename Graph::EdgeIt EdgeIt;
966 // int nodeNum() const { return graph->nodeNum(); }
967 // int edgeNum() const { return graph->edgeNum(); }
969 // Node& /*getF*/first(Node& n) const { return graph->/*getF*/first(n); }
971 // // Edge and SymEdge is missing!!!!
972 // // Edge <-> In/OutEdgeIt conversion is missing!!!!
975 // OutEdgeIt& /*getF*/first(OutEdgeIt& e, const Node& n) const
978 // graph->/*getF*/first(e.o,n);
979 // while(graph->valid(e.o) && fmap.get(e.o)>=himap.get(e.o))
980 // graph->goNext(e.o);
981 // if(!graph->valid(e.o)) {
982 // graph->/*getF*/first(e.i,n);
983 // while(graph->valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))
984 // graph->goNext(e.i);
989 // OutEdgeIt &goNext(OutEdgeIt &e)
991 // if(graph->valid(e.o)) {
992 // while(graph->valid(e.o) && fmap.get(e.o)>=himap.get(e.o))
993 // graph->goNext(e.o);
994 // if(graph->valid(e.o)) return e;
995 // else graph->/*getF*/first(e.i,e.n);
998 // while(graph->valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))
999 // graph->goNext(e.i);
1003 // OutEdgeIt Next(const OutEdgeIt &e) {OutEdgeIt t(e); return goNext(t);}
1005 // //bool valid(const OutEdgeIt e) { return graph->valid(e.o)||graph->valid(e.i);}
1008 // InEdgeIt& /*getF*/first(InEdgeIt& e, const Node& n) const
1011 // graph->/*getF*/first(e.i,n);
1012 // while(graph->valid(e.i) && fmap.get(e.i)>=himap.get(e.i))
1013 // graph->goNext(e.i);
1014 // if(!graph->valid(e.i)) {
1015 // graph->/*getF*/first(e.o,n);
1016 // while(graph->valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))
1017 // graph->goNext(e.o);
1022 // InEdgeIt &goNext(InEdgeIt &e)
1024 // if(graph->valid(e.i)) {
1025 // while(graph->valid(e.i) && fmap.get(e.i)>=himap.get(e.i))
1026 // graph->goNext(e.i);
1027 // if(graph->valid(e.i)) return e;
1028 // else graph->/*getF*/first(e.o,e.n);
1031 // while(graph->valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))
1032 // graph->goNext(e.o);
1036 // InEdgeIt Next(const InEdgeIt &e) {InEdgeIt t(e); return goNext(t);}
1038 // //bool valid(const InEdgeIt e) { return graph->valid(e.i)||graph->valid(e.o);}
1040 // //template<typename I> I &goNext(I &i); { return graph->goNext(i); }
1041 // //template<typename I> I next(const I i); { return graph->goNext(i); }
1043 // template< typename It > It first() const {
1044 // It e; /*getF*/first(e); return e; }
1046 // template< typename It > It first(Node v) const {
1047 // It e; /*getF*/first(e, v); return e; }
1049 // Node head(const Edge& e) const { return graph->head(e); }
1050 // Node tail(const Edge& e) const { return graph->tail(e); }
1052 // template<typename I> Node aNode(const I& e) const {
1053 // return graph->aNode(e); }
1054 // template<typename I> Node bNode(const I& e) const {
1055 // return graph->bNode(e); }
1057 // //template<typename I> bool valid(const I i);
1058 // //{ return graph->valid(i); }
1060 // //template<typename I> void setInvalid(const I &i);
1061 // //{ return graph->setInvalid(i); }
1063 // Node addNode() { return graph->addNode(); }
1064 // Edge addEdge(const Node& tail, const Node& head) {
1065 // return graph->addEdge(tail, head); }
1067 // template<typename I> void erase(const I& i) { graph->erase(i); }
1069 // void clear() { graph->clear(); }
1071 // template<typename S> class NodeMap : public Graph::NodeMap<S> { };
1072 // template<typename S> class EdgeMap : public Graph::EdgeMap<S> { };
1074 // void setGraph(Graph& _graph) { graph = &_graph; }
1075 // Graph& getGraph() { return (*graph); }
1077 // //ResGraphWrapper() : graph(0) { }
1078 // ResGraphWrapper(Graph& _graph) : graph(&_graph) { }
1083 #endif //GRAPH_WRAPPER_H