... | ... |
@@ -48,699 +48,702 @@ |
48 | 48 |
public: |
49 | 49 |
typedef DGR Digraph; |
50 | 50 |
typedef DigraphAdaptorBase Adaptor; |
51 | 51 |
|
52 | 52 |
protected: |
53 | 53 |
DGR* _digraph; |
54 | 54 |
DigraphAdaptorBase() : _digraph(0) { } |
55 | 55 |
void initialize(DGR& digraph) { _digraph = &digraph; } |
56 | 56 |
|
57 | 57 |
public: |
58 | 58 |
DigraphAdaptorBase(DGR& digraph) : _digraph(&digraph) { } |
59 | 59 |
|
60 | 60 |
typedef typename DGR::Node Node; |
61 | 61 |
typedef typename DGR::Arc Arc; |
62 | 62 |
|
63 | 63 |
void first(Node& i) const { _digraph->first(i); } |
64 | 64 |
void first(Arc& i) const { _digraph->first(i); } |
65 | 65 |
void firstIn(Arc& i, const Node& n) const { _digraph->firstIn(i, n); } |
66 | 66 |
void firstOut(Arc& i, const Node& n ) const { _digraph->firstOut(i, n); } |
67 | 67 |
|
68 | 68 |
void next(Node& i) const { _digraph->next(i); } |
69 | 69 |
void next(Arc& i) const { _digraph->next(i); } |
70 | 70 |
void nextIn(Arc& i) const { _digraph->nextIn(i); } |
71 | 71 |
void nextOut(Arc& i) const { _digraph->nextOut(i); } |
72 | 72 |
|
73 | 73 |
Node source(const Arc& a) const { return _digraph->source(a); } |
74 | 74 |
Node target(const Arc& a) const { return _digraph->target(a); } |
75 | 75 |
|
76 | 76 |
typedef NodeNumTagIndicator<DGR> NodeNumTag; |
77 | 77 |
int nodeNum() const { return _digraph->nodeNum(); } |
78 | 78 |
|
79 | 79 |
typedef ArcNumTagIndicator<DGR> ArcNumTag; |
80 | 80 |
int arcNum() const { return _digraph->arcNum(); } |
81 | 81 |
|
82 | 82 |
typedef FindArcTagIndicator<DGR> FindArcTag; |
83 | 83 |
Arc findArc(const Node& u, const Node& v, const Arc& prev = INVALID) const { |
84 | 84 |
return _digraph->findArc(u, v, prev); |
85 | 85 |
} |
86 | 86 |
|
87 | 87 |
Node addNode() { return _digraph->addNode(); } |
88 | 88 |
Arc addArc(const Node& u, const Node& v) { return _digraph->addArc(u, v); } |
89 | 89 |
|
90 | 90 |
void erase(const Node& n) { _digraph->erase(n); } |
91 | 91 |
void erase(const Arc& a) { _digraph->erase(a); } |
92 | 92 |
|
93 | 93 |
void clear() { _digraph->clear(); } |
94 | 94 |
|
95 | 95 |
int id(const Node& n) const { return _digraph->id(n); } |
96 | 96 |
int id(const Arc& a) const { return _digraph->id(a); } |
97 | 97 |
|
98 | 98 |
Node nodeFromId(int ix) const { return _digraph->nodeFromId(ix); } |
99 | 99 |
Arc arcFromId(int ix) const { return _digraph->arcFromId(ix); } |
100 | 100 |
|
101 | 101 |
int maxNodeId() const { return _digraph->maxNodeId(); } |
102 | 102 |
int maxArcId() const { return _digraph->maxArcId(); } |
103 | 103 |
|
104 | 104 |
typedef typename ItemSetTraits<DGR, Node>::ItemNotifier NodeNotifier; |
105 | 105 |
NodeNotifier& notifier(Node) const { return _digraph->notifier(Node()); } |
106 | 106 |
|
107 | 107 |
typedef typename ItemSetTraits<DGR, Arc>::ItemNotifier ArcNotifier; |
108 | 108 |
ArcNotifier& notifier(Arc) const { return _digraph->notifier(Arc()); } |
109 | 109 |
|
110 | 110 |
template <typename V> |
111 | 111 |
class NodeMap : public DGR::template NodeMap<V> { |
112 |
typedef typename DGR::template NodeMap<V> Parent; |
|
113 |
|
|
112 | 114 |
public: |
113 |
|
|
114 |
typedef typename DGR::template NodeMap<V> Parent; |
|
115 |
|
|
116 | 115 |
explicit NodeMap(const Adaptor& adaptor) |
117 | 116 |
: Parent(*adaptor._digraph) {} |
118 |
|
|
119 | 117 |
NodeMap(const Adaptor& adaptor, const V& value) |
120 | 118 |
: Parent(*adaptor._digraph, value) { } |
121 | 119 |
|
122 | 120 |
private: |
123 | 121 |
NodeMap& operator=(const NodeMap& cmap) { |
124 | 122 |
return operator=<NodeMap>(cmap); |
125 | 123 |
} |
126 | 124 |
|
127 | 125 |
template <typename CMap> |
128 | 126 |
NodeMap& operator=(const CMap& cmap) { |
129 | 127 |
Parent::operator=(cmap); |
130 | 128 |
return *this; |
131 | 129 |
} |
132 | 130 |
|
133 | 131 |
}; |
134 | 132 |
|
135 | 133 |
template <typename V> |
136 | 134 |
class ArcMap : public DGR::template ArcMap<V> { |
135 |
typedef typename DGR::template ArcMap<V> Parent; |
|
136 |
|
|
137 | 137 |
public: |
138 |
|
|
139 |
typedef typename DGR::template ArcMap<V> Parent; |
|
140 |
|
|
141 | 138 |
explicit ArcMap(const DigraphAdaptorBase<DGR>& adaptor) |
142 | 139 |
: Parent(*adaptor._digraph) {} |
143 |
|
|
144 | 140 |
ArcMap(const DigraphAdaptorBase<DGR>& adaptor, const V& value) |
145 | 141 |
: Parent(*adaptor._digraph, value) {} |
146 | 142 |
|
147 | 143 |
private: |
148 | 144 |
ArcMap& operator=(const ArcMap& cmap) { |
149 | 145 |
return operator=<ArcMap>(cmap); |
150 | 146 |
} |
151 | 147 |
|
152 | 148 |
template <typename CMap> |
153 | 149 |
ArcMap& operator=(const CMap& cmap) { |
154 | 150 |
Parent::operator=(cmap); |
155 | 151 |
return *this; |
156 | 152 |
} |
157 | 153 |
|
158 | 154 |
}; |
159 | 155 |
|
160 | 156 |
}; |
161 | 157 |
|
162 | 158 |
template<typename GR> |
163 | 159 |
class GraphAdaptorBase { |
164 | 160 |
public: |
165 | 161 |
typedef GR Graph; |
166 | 162 |
|
167 | 163 |
protected: |
168 | 164 |
GR* _graph; |
169 | 165 |
|
170 | 166 |
GraphAdaptorBase() : _graph(0) {} |
171 | 167 |
|
172 | 168 |
void initialize(GR& graph) { _graph = &graph; } |
173 | 169 |
|
174 | 170 |
public: |
175 | 171 |
GraphAdaptorBase(GR& graph) : _graph(&graph) {} |
176 | 172 |
|
177 | 173 |
typedef typename GR::Node Node; |
178 | 174 |
typedef typename GR::Arc Arc; |
179 | 175 |
typedef typename GR::Edge Edge; |
180 | 176 |
|
181 | 177 |
void first(Node& i) const { _graph->first(i); } |
182 | 178 |
void first(Arc& i) const { _graph->first(i); } |
183 | 179 |
void first(Edge& i) const { _graph->first(i); } |
184 | 180 |
void firstIn(Arc& i, const Node& n) const { _graph->firstIn(i, n); } |
185 | 181 |
void firstOut(Arc& i, const Node& n ) const { _graph->firstOut(i, n); } |
186 | 182 |
void firstInc(Edge &i, bool &d, const Node &n) const { |
187 | 183 |
_graph->firstInc(i, d, n); |
188 | 184 |
} |
189 | 185 |
|
190 | 186 |
void next(Node& i) const { _graph->next(i); } |
191 | 187 |
void next(Arc& i) const { _graph->next(i); } |
192 | 188 |
void next(Edge& i) const { _graph->next(i); } |
193 | 189 |
void nextIn(Arc& i) const { _graph->nextIn(i); } |
194 | 190 |
void nextOut(Arc& i) const { _graph->nextOut(i); } |
195 | 191 |
void nextInc(Edge &i, bool &d) const { _graph->nextInc(i, d); } |
196 | 192 |
|
197 | 193 |
Node u(const Edge& e) const { return _graph->u(e); } |
198 | 194 |
Node v(const Edge& e) const { return _graph->v(e); } |
199 | 195 |
|
200 | 196 |
Node source(const Arc& a) const { return _graph->source(a); } |
201 | 197 |
Node target(const Arc& a) const { return _graph->target(a); } |
202 | 198 |
|
203 | 199 |
typedef NodeNumTagIndicator<Graph> NodeNumTag; |
204 | 200 |
int nodeNum() const { return _graph->nodeNum(); } |
205 | 201 |
|
206 | 202 |
typedef ArcNumTagIndicator<Graph> ArcNumTag; |
207 | 203 |
int arcNum() const { return _graph->arcNum(); } |
208 | 204 |
|
209 | 205 |
typedef EdgeNumTagIndicator<Graph> EdgeNumTag; |
210 | 206 |
int edgeNum() const { return _graph->edgeNum(); } |
211 | 207 |
|
212 | 208 |
typedef FindArcTagIndicator<Graph> FindArcTag; |
213 | 209 |
Arc findArc(const Node& u, const Node& v, |
214 | 210 |
const Arc& prev = INVALID) const { |
215 | 211 |
return _graph->findArc(u, v, prev); |
216 | 212 |
} |
217 | 213 |
|
218 | 214 |
typedef FindEdgeTagIndicator<Graph> FindEdgeTag; |
219 | 215 |
Edge findEdge(const Node& u, const Node& v, |
220 | 216 |
const Edge& prev = INVALID) const { |
221 | 217 |
return _graph->findEdge(u, v, prev); |
222 | 218 |
} |
223 | 219 |
|
224 | 220 |
Node addNode() { return _graph->addNode(); } |
225 | 221 |
Edge addEdge(const Node& u, const Node& v) { return _graph->addEdge(u, v); } |
226 | 222 |
|
227 | 223 |
void erase(const Node& i) { _graph->erase(i); } |
228 | 224 |
void erase(const Edge& i) { _graph->erase(i); } |
229 | 225 |
|
230 | 226 |
void clear() { _graph->clear(); } |
231 | 227 |
|
232 | 228 |
bool direction(const Arc& a) const { return _graph->direction(a); } |
233 | 229 |
Arc direct(const Edge& e, bool d) const { return _graph->direct(e, d); } |
234 | 230 |
|
235 | 231 |
int id(const Node& v) const { return _graph->id(v); } |
236 | 232 |
int id(const Arc& a) const { return _graph->id(a); } |
237 | 233 |
int id(const Edge& e) const { return _graph->id(e); } |
238 | 234 |
|
239 | 235 |
Node nodeFromId(int ix) const { return _graph->nodeFromId(ix); } |
240 | 236 |
Arc arcFromId(int ix) const { return _graph->arcFromId(ix); } |
241 | 237 |
Edge edgeFromId(int ix) const { return _graph->edgeFromId(ix); } |
242 | 238 |
|
243 | 239 |
int maxNodeId() const { return _graph->maxNodeId(); } |
244 | 240 |
int maxArcId() const { return _graph->maxArcId(); } |
245 | 241 |
int maxEdgeId() const { return _graph->maxEdgeId(); } |
246 | 242 |
|
247 | 243 |
typedef typename ItemSetTraits<GR, Node>::ItemNotifier NodeNotifier; |
248 | 244 |
NodeNotifier& notifier(Node) const { return _graph->notifier(Node()); } |
249 | 245 |
|
250 | 246 |
typedef typename ItemSetTraits<GR, Arc>::ItemNotifier ArcNotifier; |
251 | 247 |
ArcNotifier& notifier(Arc) const { return _graph->notifier(Arc()); } |
252 | 248 |
|
253 | 249 |
typedef typename ItemSetTraits<GR, Edge>::ItemNotifier EdgeNotifier; |
254 | 250 |
EdgeNotifier& notifier(Edge) const { return _graph->notifier(Edge()); } |
255 | 251 |
|
256 | 252 |
template <typename V> |
257 | 253 |
class NodeMap : public GR::template NodeMap<V> { |
254 |
typedef typename GR::template NodeMap<V> Parent; |
|
255 |
|
|
258 | 256 |
public: |
259 |
typedef typename GR::template NodeMap<V> Parent; |
|
260 | 257 |
explicit NodeMap(const GraphAdaptorBase<GR>& adapter) |
261 | 258 |
: Parent(*adapter._graph) {} |
262 | 259 |
NodeMap(const GraphAdaptorBase<GR>& adapter, const V& value) |
263 | 260 |
: Parent(*adapter._graph, value) {} |
264 | 261 |
|
265 | 262 |
private: |
266 | 263 |
NodeMap& operator=(const NodeMap& cmap) { |
267 | 264 |
return operator=<NodeMap>(cmap); |
268 | 265 |
} |
269 | 266 |
|
270 | 267 |
template <typename CMap> |
271 | 268 |
NodeMap& operator=(const CMap& cmap) { |
272 | 269 |
Parent::operator=(cmap); |
273 | 270 |
return *this; |
274 | 271 |
} |
275 | 272 |
|
276 | 273 |
}; |
277 | 274 |
|
278 | 275 |
template <typename V> |
279 | 276 |
class ArcMap : public GR::template ArcMap<V> { |
277 |
typedef typename GR::template ArcMap<V> Parent; |
|
278 |
|
|
280 | 279 |
public: |
281 |
typedef typename GR::template ArcMap<V> Parent; |
|
282 | 280 |
explicit ArcMap(const GraphAdaptorBase<GR>& adapter) |
283 | 281 |
: Parent(*adapter._graph) {} |
284 | 282 |
ArcMap(const GraphAdaptorBase<GR>& adapter, const V& value) |
285 | 283 |
: Parent(*adapter._graph, value) {} |
286 | 284 |
|
287 | 285 |
private: |
288 | 286 |
ArcMap& operator=(const ArcMap& cmap) { |
289 | 287 |
return operator=<ArcMap>(cmap); |
290 | 288 |
} |
291 | 289 |
|
292 | 290 |
template <typename CMap> |
293 | 291 |
ArcMap& operator=(const CMap& cmap) { |
294 | 292 |
Parent::operator=(cmap); |
295 | 293 |
return *this; |
296 | 294 |
} |
297 | 295 |
}; |
298 | 296 |
|
299 | 297 |
template <typename V> |
300 | 298 |
class EdgeMap : public GR::template EdgeMap<V> { |
299 |
typedef typename GR::template EdgeMap<V> Parent; |
|
300 |
|
|
301 | 301 |
public: |
302 |
typedef typename GR::template EdgeMap<V> Parent; |
|
303 | 302 |
explicit EdgeMap(const GraphAdaptorBase<GR>& adapter) |
304 | 303 |
: Parent(*adapter._graph) {} |
305 | 304 |
EdgeMap(const GraphAdaptorBase<GR>& adapter, const V& value) |
306 | 305 |
: Parent(*adapter._graph, value) {} |
307 | 306 |
|
308 | 307 |
private: |
309 | 308 |
EdgeMap& operator=(const EdgeMap& cmap) { |
310 | 309 |
return operator=<EdgeMap>(cmap); |
311 | 310 |
} |
312 | 311 |
|
313 | 312 |
template <typename CMap> |
314 | 313 |
EdgeMap& operator=(const CMap& cmap) { |
315 | 314 |
Parent::operator=(cmap); |
316 | 315 |
return *this; |
317 | 316 |
} |
318 | 317 |
}; |
319 | 318 |
|
320 | 319 |
}; |
321 | 320 |
|
322 | 321 |
template <typename DGR> |
323 | 322 |
class ReverseDigraphBase : public DigraphAdaptorBase<DGR> { |
323 |
typedef DigraphAdaptorBase<DGR> Parent; |
|
324 | 324 |
public: |
325 | 325 |
typedef DGR Digraph; |
326 |
typedef DigraphAdaptorBase<DGR> Parent; |
|
327 | 326 |
protected: |
328 | 327 |
ReverseDigraphBase() : Parent() { } |
329 | 328 |
public: |
330 | 329 |
typedef typename Parent::Node Node; |
331 | 330 |
typedef typename Parent::Arc Arc; |
332 | 331 |
|
333 | 332 |
void firstIn(Arc& a, const Node& n) const { Parent::firstOut(a, n); } |
334 | 333 |
void firstOut(Arc& a, const Node& n ) const { Parent::firstIn(a, n); } |
335 | 334 |
|
336 | 335 |
void nextIn(Arc& a) const { Parent::nextOut(a); } |
337 | 336 |
void nextOut(Arc& a) const { Parent::nextIn(a); } |
338 | 337 |
|
339 | 338 |
Node source(const Arc& a) const { return Parent::target(a); } |
340 | 339 |
Node target(const Arc& a) const { return Parent::source(a); } |
341 | 340 |
|
342 | 341 |
Arc addArc(const Node& u, const Node& v) { return Parent::addArc(v, u); } |
343 | 342 |
|
344 | 343 |
typedef FindArcTagIndicator<DGR> FindArcTag; |
345 | 344 |
Arc findArc(const Node& u, const Node& v, |
346 | 345 |
const Arc& prev = INVALID) const { |
347 | 346 |
return Parent::findArc(v, u, prev); |
348 | 347 |
} |
349 | 348 |
|
350 | 349 |
}; |
351 | 350 |
|
352 | 351 |
/// \ingroup graph_adaptors |
353 | 352 |
/// |
354 | 353 |
/// \brief Adaptor class for reversing the orientation of the arcs in |
355 | 354 |
/// a digraph. |
356 | 355 |
/// |
357 | 356 |
/// ReverseDigraph can be used for reversing the arcs in a digraph. |
358 | 357 |
/// It conforms to the \ref concepts::Digraph "Digraph" concept. |
359 | 358 |
/// |
360 | 359 |
/// The adapted digraph can also be modified through this adaptor |
361 | 360 |
/// by adding or removing nodes or arcs, unless the \c GR template |
362 | 361 |
/// parameter is set to be \c const. |
363 | 362 |
/// |
364 | 363 |
/// \tparam DGR The type of the adapted digraph. |
365 | 364 |
/// It must conform to the \ref concepts::Digraph "Digraph" concept. |
366 | 365 |
/// It can also be specified to be \c const. |
367 | 366 |
/// |
368 | 367 |
/// \note The \c Node and \c Arc types of this adaptor and the adapted |
369 | 368 |
/// digraph are convertible to each other. |
370 | 369 |
template<typename DGR> |
371 | 370 |
#ifdef DOXYGEN |
372 | 371 |
class ReverseDigraph { |
373 | 372 |
#else |
374 | 373 |
class ReverseDigraph : |
375 | 374 |
public DigraphAdaptorExtender<ReverseDigraphBase<DGR> > { |
376 | 375 |
#endif |
376 |
typedef DigraphAdaptorExtender<ReverseDigraphBase<DGR> > Parent; |
|
377 | 377 |
public: |
378 | 378 |
/// The type of the adapted digraph. |
379 | 379 |
typedef DGR Digraph; |
380 |
typedef DigraphAdaptorExtender<ReverseDigraphBase<DGR> > Parent; |
|
381 | 380 |
protected: |
382 | 381 |
ReverseDigraph() { } |
383 | 382 |
public: |
384 | 383 |
|
385 | 384 |
/// \brief Constructor |
386 | 385 |
/// |
387 | 386 |
/// Creates a reverse digraph adaptor for the given digraph. |
388 | 387 |
explicit ReverseDigraph(DGR& digraph) { |
389 | 388 |
Parent::initialize(digraph); |
390 | 389 |
} |
391 | 390 |
}; |
392 | 391 |
|
393 | 392 |
/// \brief Returns a read-only ReverseDigraph adaptor |
394 | 393 |
/// |
395 | 394 |
/// This function just returns a read-only \ref ReverseDigraph adaptor. |
396 | 395 |
/// \ingroup graph_adaptors |
397 | 396 |
/// \relates ReverseDigraph |
398 | 397 |
template<typename DGR> |
399 | 398 |
ReverseDigraph<const DGR> reverseDigraph(const DGR& digraph) { |
400 | 399 |
return ReverseDigraph<const DGR>(digraph); |
401 | 400 |
} |
402 | 401 |
|
403 | 402 |
|
404 | 403 |
template <typename DGR, typename NF, typename AF, bool ch = true> |
405 | 404 |
class SubDigraphBase : public DigraphAdaptorBase<DGR> { |
405 |
typedef DigraphAdaptorBase<DGR> Parent; |
|
406 | 406 |
public: |
407 | 407 |
typedef DGR Digraph; |
408 | 408 |
typedef NF NodeFilterMap; |
409 | 409 |
typedef AF ArcFilterMap; |
410 | 410 |
|
411 | 411 |
typedef SubDigraphBase Adaptor; |
412 |
typedef DigraphAdaptorBase<DGR> Parent; |
|
413 | 412 |
protected: |
414 | 413 |
NF* _node_filter; |
415 | 414 |
AF* _arc_filter; |
416 | 415 |
SubDigraphBase() |
417 | 416 |
: Parent(), _node_filter(0), _arc_filter(0) { } |
418 | 417 |
|
419 | 418 |
void initialize(DGR& digraph, NF& node_filter, AF& arc_filter) { |
420 | 419 |
Parent::initialize(digraph); |
421 | 420 |
_node_filter = &node_filter; |
422 | 421 |
_arc_filter = &arc_filter; |
423 | 422 |
} |
424 | 423 |
|
425 | 424 |
public: |
426 | 425 |
|
427 | 426 |
typedef typename Parent::Node Node; |
428 | 427 |
typedef typename Parent::Arc Arc; |
429 | 428 |
|
430 | 429 |
void first(Node& i) const { |
431 | 430 |
Parent::first(i); |
432 | 431 |
while (i != INVALID && !(*_node_filter)[i]) Parent::next(i); |
433 | 432 |
} |
434 | 433 |
|
435 | 434 |
void first(Arc& i) const { |
436 | 435 |
Parent::first(i); |
437 | 436 |
while (i != INVALID && (!(*_arc_filter)[i] |
438 | 437 |
|| !(*_node_filter)[Parent::source(i)] |
439 | 438 |
|| !(*_node_filter)[Parent::target(i)])) |
440 | 439 |
Parent::next(i); |
441 | 440 |
} |
442 | 441 |
|
443 | 442 |
void firstIn(Arc& i, const Node& n) const { |
444 | 443 |
Parent::firstIn(i, n); |
445 | 444 |
while (i != INVALID && (!(*_arc_filter)[i] |
446 | 445 |
|| !(*_node_filter)[Parent::source(i)])) |
447 | 446 |
Parent::nextIn(i); |
448 | 447 |
} |
449 | 448 |
|
450 | 449 |
void firstOut(Arc& i, const Node& n) const { |
451 | 450 |
Parent::firstOut(i, n); |
452 | 451 |
while (i != INVALID && (!(*_arc_filter)[i] |
453 | 452 |
|| !(*_node_filter)[Parent::target(i)])) |
454 | 453 |
Parent::nextOut(i); |
455 | 454 |
} |
456 | 455 |
|
457 | 456 |
void next(Node& i) const { |
458 | 457 |
Parent::next(i); |
459 | 458 |
while (i != INVALID && !(*_node_filter)[i]) Parent::next(i); |
460 | 459 |
} |
461 | 460 |
|
462 | 461 |
void next(Arc& i) const { |
463 | 462 |
Parent::next(i); |
464 | 463 |
while (i != INVALID && (!(*_arc_filter)[i] |
465 | 464 |
|| !(*_node_filter)[Parent::source(i)] |
466 | 465 |
|| !(*_node_filter)[Parent::target(i)])) |
467 | 466 |
Parent::next(i); |
468 | 467 |
} |
469 | 468 |
|
470 | 469 |
void nextIn(Arc& i) const { |
471 | 470 |
Parent::nextIn(i); |
472 | 471 |
while (i != INVALID && (!(*_arc_filter)[i] |
473 | 472 |
|| !(*_node_filter)[Parent::source(i)])) |
474 | 473 |
Parent::nextIn(i); |
475 | 474 |
} |
476 | 475 |
|
477 | 476 |
void nextOut(Arc& i) const { |
478 | 477 |
Parent::nextOut(i); |
479 | 478 |
while (i != INVALID && (!(*_arc_filter)[i] |
480 | 479 |
|| !(*_node_filter)[Parent::target(i)])) |
481 | 480 |
Parent::nextOut(i); |
482 | 481 |
} |
483 | 482 |
|
484 | 483 |
void status(const Node& n, bool v) const { _node_filter->set(n, v); } |
485 | 484 |
void status(const Arc& a, bool v) const { _arc_filter->set(a, v); } |
486 | 485 |
|
487 | 486 |
bool status(const Node& n) const { return (*_node_filter)[n]; } |
488 | 487 |
bool status(const Arc& a) const { return (*_arc_filter)[a]; } |
489 | 488 |
|
490 | 489 |
typedef False NodeNumTag; |
491 | 490 |
typedef False ArcNumTag; |
492 | 491 |
|
493 | 492 |
typedef FindArcTagIndicator<DGR> FindArcTag; |
494 | 493 |
Arc findArc(const Node& source, const Node& target, |
495 | 494 |
const Arc& prev = INVALID) const { |
496 | 495 |
if (!(*_node_filter)[source] || !(*_node_filter)[target]) { |
497 | 496 |
return INVALID; |
498 | 497 |
} |
499 | 498 |
Arc arc = Parent::findArc(source, target, prev); |
500 | 499 |
while (arc != INVALID && !(*_arc_filter)[arc]) { |
501 | 500 |
arc = Parent::findArc(source, target, arc); |
502 | 501 |
} |
503 | 502 |
return arc; |
504 | 503 |
} |
505 | 504 |
|
506 | 505 |
public: |
507 | 506 |
|
508 | 507 |
template <typename V> |
509 | 508 |
class NodeMap |
510 | 509 |
: public SubMapExtender<SubDigraphBase<DGR, NF, AF, ch>, |
511 | 510 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, NodeMap<V>)> { |
511 |
typedef SubMapExtender<SubDigraphBase<DGR, NF, AF, ch>, |
|
512 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, NodeMap<V>)> Parent; |
|
513 |
|
|
512 | 514 |
public: |
513 | 515 |
typedef V Value; |
514 |
typedef SubMapExtender<SubDigraphBase<DGR, NF, AF, ch>, |
|
515 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, NodeMap<V>)> Parent; |
|
516 | 516 |
|
517 | 517 |
NodeMap(const SubDigraphBase<DGR, NF, AF, ch>& adaptor) |
518 | 518 |
: Parent(adaptor) {} |
519 | 519 |
NodeMap(const SubDigraphBase<DGR, NF, AF, ch>& adaptor, const V& value) |
520 | 520 |
: Parent(adaptor, value) {} |
521 | 521 |
|
522 | 522 |
private: |
523 | 523 |
NodeMap& operator=(const NodeMap& cmap) { |
524 | 524 |
return operator=<NodeMap>(cmap); |
525 | 525 |
} |
526 | 526 |
|
527 | 527 |
template <typename CMap> |
528 | 528 |
NodeMap& operator=(const CMap& cmap) { |
529 | 529 |
Parent::operator=(cmap); |
530 | 530 |
return *this; |
531 | 531 |
} |
532 | 532 |
}; |
533 | 533 |
|
534 | 534 |
template <typename V> |
535 | 535 |
class ArcMap |
536 | 536 |
: public SubMapExtender<SubDigraphBase<DGR, NF, AF, ch>, |
537 | 537 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, ArcMap<V>)> { |
538 |
typedef SubMapExtender<SubDigraphBase<DGR, NF, AF, ch>, |
|
539 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, ArcMap<V>)> Parent; |
|
540 |
|
|
538 | 541 |
public: |
539 | 542 |
typedef V Value; |
540 |
typedef SubMapExtender<SubDigraphBase<DGR, NF, AF, ch>, |
|
541 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, ArcMap<V>)> Parent; |
|
542 | 543 |
|
543 | 544 |
ArcMap(const SubDigraphBase<DGR, NF, AF, ch>& adaptor) |
544 | 545 |
: Parent(adaptor) {} |
545 | 546 |
ArcMap(const SubDigraphBase<DGR, NF, AF, ch>& adaptor, const V& value) |
546 | 547 |
: Parent(adaptor, value) {} |
547 | 548 |
|
548 | 549 |
private: |
549 | 550 |
ArcMap& operator=(const ArcMap& cmap) { |
550 | 551 |
return operator=<ArcMap>(cmap); |
551 | 552 |
} |
552 | 553 |
|
553 | 554 |
template <typename CMap> |
554 | 555 |
ArcMap& operator=(const CMap& cmap) { |
555 | 556 |
Parent::operator=(cmap); |
556 | 557 |
return *this; |
557 | 558 |
} |
558 | 559 |
}; |
559 | 560 |
|
560 | 561 |
}; |
561 | 562 |
|
562 | 563 |
template <typename DGR, typename NF, typename AF> |
563 | 564 |
class SubDigraphBase<DGR, NF, AF, false> |
564 | 565 |
: public DigraphAdaptorBase<DGR> { |
566 |
typedef DigraphAdaptorBase<DGR> Parent; |
|
565 | 567 |
public: |
566 | 568 |
typedef DGR Digraph; |
567 | 569 |
typedef NF NodeFilterMap; |
568 | 570 |
typedef AF ArcFilterMap; |
569 | 571 |
|
570 | 572 |
typedef SubDigraphBase Adaptor; |
571 |
typedef DigraphAdaptorBase<Digraph> Parent; |
|
572 | 573 |
protected: |
573 | 574 |
NF* _node_filter; |
574 | 575 |
AF* _arc_filter; |
575 | 576 |
SubDigraphBase() |
576 | 577 |
: Parent(), _node_filter(0), _arc_filter(0) { } |
577 | 578 |
|
578 | 579 |
void initialize(DGR& digraph, NF& node_filter, AF& arc_filter) { |
579 | 580 |
Parent::initialize(digraph); |
580 | 581 |
_node_filter = &node_filter; |
581 | 582 |
_arc_filter = &arc_filter; |
582 | 583 |
} |
583 | 584 |
|
584 | 585 |
public: |
585 | 586 |
|
586 | 587 |
typedef typename Parent::Node Node; |
587 | 588 |
typedef typename Parent::Arc Arc; |
588 | 589 |
|
589 | 590 |
void first(Node& i) const { |
590 | 591 |
Parent::first(i); |
591 | 592 |
while (i!=INVALID && !(*_node_filter)[i]) Parent::next(i); |
592 | 593 |
} |
593 | 594 |
|
594 | 595 |
void first(Arc& i) const { |
595 | 596 |
Parent::first(i); |
596 | 597 |
while (i!=INVALID && !(*_arc_filter)[i]) Parent::next(i); |
597 | 598 |
} |
598 | 599 |
|
599 | 600 |
void firstIn(Arc& i, const Node& n) const { |
600 | 601 |
Parent::firstIn(i, n); |
601 | 602 |
while (i!=INVALID && !(*_arc_filter)[i]) Parent::nextIn(i); |
602 | 603 |
} |
603 | 604 |
|
604 | 605 |
void firstOut(Arc& i, const Node& n) const { |
605 | 606 |
Parent::firstOut(i, n); |
606 | 607 |
while (i!=INVALID && !(*_arc_filter)[i]) Parent::nextOut(i); |
607 | 608 |
} |
608 | 609 |
|
609 | 610 |
void next(Node& i) const { |
610 | 611 |
Parent::next(i); |
611 | 612 |
while (i!=INVALID && !(*_node_filter)[i]) Parent::next(i); |
612 | 613 |
} |
613 | 614 |
void next(Arc& i) const { |
614 | 615 |
Parent::next(i); |
615 | 616 |
while (i!=INVALID && !(*_arc_filter)[i]) Parent::next(i); |
616 | 617 |
} |
617 | 618 |
void nextIn(Arc& i) const { |
618 | 619 |
Parent::nextIn(i); |
619 | 620 |
while (i!=INVALID && !(*_arc_filter)[i]) Parent::nextIn(i); |
620 | 621 |
} |
621 | 622 |
|
622 | 623 |
void nextOut(Arc& i) const { |
623 | 624 |
Parent::nextOut(i); |
624 | 625 |
while (i!=INVALID && !(*_arc_filter)[i]) Parent::nextOut(i); |
625 | 626 |
} |
626 | 627 |
|
627 | 628 |
void status(const Node& n, bool v) const { _node_filter->set(n, v); } |
628 | 629 |
void status(const Arc& a, bool v) const { _arc_filter->set(a, v); } |
629 | 630 |
|
630 | 631 |
bool status(const Node& n) const { return (*_node_filter)[n]; } |
631 | 632 |
bool status(const Arc& a) const { return (*_arc_filter)[a]; } |
632 | 633 |
|
633 | 634 |
typedef False NodeNumTag; |
634 | 635 |
typedef False ArcNumTag; |
635 | 636 |
|
636 | 637 |
typedef FindArcTagIndicator<DGR> FindArcTag; |
637 | 638 |
Arc findArc(const Node& source, const Node& target, |
638 | 639 |
const Arc& prev = INVALID) const { |
639 | 640 |
if (!(*_node_filter)[source] || !(*_node_filter)[target]) { |
640 | 641 |
return INVALID; |
641 | 642 |
} |
642 | 643 |
Arc arc = Parent::findArc(source, target, prev); |
643 | 644 |
while (arc != INVALID && !(*_arc_filter)[arc]) { |
644 | 645 |
arc = Parent::findArc(source, target, arc); |
645 | 646 |
} |
646 | 647 |
return arc; |
647 | 648 |
} |
648 | 649 |
|
649 | 650 |
template <typename V> |
650 | 651 |
class NodeMap |
651 | 652 |
: public SubMapExtender<SubDigraphBase<DGR, NF, AF, false>, |
652 | 653 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, NodeMap<V>)> { |
654 |
typedef SubMapExtender<SubDigraphBase<DGR, NF, AF, false>, |
|
655 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, NodeMap<V>)> Parent; |
|
656 |
|
|
653 | 657 |
public: |
654 | 658 |
typedef V Value; |
655 |
typedef SubMapExtender<SubDigraphBase<DGR, NF, AF, false>, |
|
656 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, NodeMap<V>)> Parent; |
|
657 | 659 |
|
658 | 660 |
NodeMap(const SubDigraphBase<DGR, NF, AF, false>& adaptor) |
659 | 661 |
: Parent(adaptor) {} |
660 | 662 |
NodeMap(const SubDigraphBase<DGR, NF, AF, false>& adaptor, const V& value) |
661 | 663 |
: Parent(adaptor, value) {} |
662 | 664 |
|
663 | 665 |
private: |
664 | 666 |
NodeMap& operator=(const NodeMap& cmap) { |
665 | 667 |
return operator=<NodeMap>(cmap); |
666 | 668 |
} |
667 | 669 |
|
668 | 670 |
template <typename CMap> |
669 | 671 |
NodeMap& operator=(const CMap& cmap) { |
670 | 672 |
Parent::operator=(cmap); |
671 | 673 |
return *this; |
672 | 674 |
} |
673 | 675 |
}; |
674 | 676 |
|
675 | 677 |
template <typename V> |
676 | 678 |
class ArcMap |
677 | 679 |
: public SubMapExtender<SubDigraphBase<DGR, NF, AF, false>, |
678 | 680 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, ArcMap<V>)> { |
681 |
typedef SubMapExtender<SubDigraphBase<DGR, NF, AF, false>, |
|
682 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, ArcMap<V>)> Parent; |
|
683 |
|
|
679 | 684 |
public: |
680 | 685 |
typedef V Value; |
681 |
typedef SubMapExtender<SubDigraphBase<DGR, NF, AF, false>, |
|
682 |
LEMON_SCOPE_FIX(DigraphAdaptorBase<DGR>, ArcMap<V>)> Parent; |
|
683 | 686 |
|
684 | 687 |
ArcMap(const SubDigraphBase<DGR, NF, AF, false>& adaptor) |
685 | 688 |
: Parent(adaptor) {} |
686 | 689 |
ArcMap(const SubDigraphBase<DGR, NF, AF, false>& adaptor, const V& value) |
687 | 690 |
: Parent(adaptor, value) {} |
688 | 691 |
|
689 | 692 |
private: |
690 | 693 |
ArcMap& operator=(const ArcMap& cmap) { |
691 | 694 |
return operator=<ArcMap>(cmap); |
692 | 695 |
} |
693 | 696 |
|
694 | 697 |
template <typename CMap> |
695 | 698 |
ArcMap& operator=(const CMap& cmap) { |
696 | 699 |
Parent::operator=(cmap); |
697 | 700 |
return *this; |
698 | 701 |
} |
699 | 702 |
}; |
700 | 703 |
|
701 | 704 |
}; |
702 | 705 |
|
703 | 706 |
/// \ingroup graph_adaptors |
704 | 707 |
/// |
705 | 708 |
/// \brief Adaptor class for hiding nodes and arcs in a digraph |
706 | 709 |
/// |
707 | 710 |
/// SubDigraph can be used for hiding nodes and arcs in a digraph. |
708 | 711 |
/// A \c bool node map and a \c bool arc map must be specified, which |
709 | 712 |
/// define the filters for nodes and arcs. |
710 | 713 |
/// Only the nodes and arcs with \c true filter value are |
711 | 714 |
/// shown in the subdigraph. The arcs that are incident to hidden |
712 | 715 |
/// nodes are also filtered out. |
713 | 716 |
/// This adaptor conforms to the \ref concepts::Digraph "Digraph" concept. |
714 | 717 |
/// |
715 | 718 |
/// The adapted digraph can also be modified through this adaptor |
716 | 719 |
/// by adding or removing nodes or arcs, unless the \c GR template |
717 | 720 |
/// parameter is set to be \c const. |
718 | 721 |
/// |
719 | 722 |
/// \tparam DGR The type of the adapted digraph. |
720 | 723 |
/// It must conform to the \ref concepts::Digraph "Digraph" concept. |
721 | 724 |
/// It can also be specified to be \c const. |
722 | 725 |
/// \tparam NF The type of the node filter map. |
723 | 726 |
/// It must be a \c bool (or convertible) node map of the |
724 | 727 |
/// adapted digraph. The default type is |
725 | 728 |
/// \ref concepts::Digraph::NodeMap "DGR::NodeMap<bool>". |
726 | 729 |
/// \tparam AF The type of the arc filter map. |
727 | 730 |
/// It must be \c bool (or convertible) arc map of the |
728 | 731 |
/// adapted digraph. The default type is |
729 | 732 |
/// \ref concepts::Digraph::ArcMap "DGR::ArcMap<bool>". |
730 | 733 |
/// |
731 | 734 |
/// \note The \c Node and \c Arc types of this adaptor and the adapted |
732 | 735 |
/// digraph are convertible to each other. |
733 | 736 |
/// |
734 | 737 |
/// \see FilterNodes |
735 | 738 |
/// \see FilterArcs |
736 | 739 |
#ifdef DOXYGEN |
737 | 740 |
template<typename DGR, typename NF, typename AF> |
738 | 741 |
class SubDigraph { |
739 | 742 |
#else |
740 | 743 |
template<typename DGR, |
741 | 744 |
typename NF = typename DGR::template NodeMap<bool>, |
742 | 745 |
typename AF = typename DGR::template ArcMap<bool> > |
743 | 746 |
class SubDigraph : |
744 | 747 |
public DigraphAdaptorExtender<SubDigraphBase<DGR, NF, AF, true> > { |
745 | 748 |
#endif |
746 | 749 |
public: |
... | ... |
@@ -802,135 +805,135 @@ |
802 | 805 |
/// It is the same as \ref status() "status(n, false)". |
803 | 806 |
void disable(const Node& n) const { Parent::status(n, false); } |
804 | 807 |
|
805 | 808 |
/// \brief Disables the given arc |
806 | 809 |
/// |
807 | 810 |
/// This function disables the given arc in the subdigraph, |
808 | 811 |
/// so the iteration jumps over it. |
809 | 812 |
/// It is the same as \ref status() "status(a, false)". |
810 | 813 |
void disable(const Arc& a) const { Parent::status(a, false); } |
811 | 814 |
|
812 | 815 |
/// \brief Enables the given node |
813 | 816 |
/// |
814 | 817 |
/// This function enables the given node in the subdigraph. |
815 | 818 |
/// It is the same as \ref status() "status(n, true)". |
816 | 819 |
void enable(const Node& n) const { Parent::status(n, true); } |
817 | 820 |
|
818 | 821 |
/// \brief Enables the given arc |
819 | 822 |
/// |
820 | 823 |
/// This function enables the given arc in the subdigraph. |
821 | 824 |
/// It is the same as \ref status() "status(a, true)". |
822 | 825 |
void enable(const Arc& a) const { Parent::status(a, true); } |
823 | 826 |
|
824 | 827 |
}; |
825 | 828 |
|
826 | 829 |
/// \brief Returns a read-only SubDigraph adaptor |
827 | 830 |
/// |
828 | 831 |
/// This function just returns a read-only \ref SubDigraph adaptor. |
829 | 832 |
/// \ingroup graph_adaptors |
830 | 833 |
/// \relates SubDigraph |
831 | 834 |
template<typename DGR, typename NF, typename AF> |
832 | 835 |
SubDigraph<const DGR, NF, AF> |
833 | 836 |
subDigraph(const DGR& digraph, |
834 | 837 |
NF& node_filter, AF& arc_filter) { |
835 | 838 |
return SubDigraph<const DGR, NF, AF> |
836 | 839 |
(digraph, node_filter, arc_filter); |
837 | 840 |
} |
838 | 841 |
|
839 | 842 |
template<typename DGR, typename NF, typename AF> |
840 | 843 |
SubDigraph<const DGR, const NF, AF> |
841 | 844 |
subDigraph(const DGR& digraph, |
842 | 845 |
const NF& node_filter, AF& arc_filter) { |
843 | 846 |
return SubDigraph<const DGR, const NF, AF> |
844 | 847 |
(digraph, node_filter, arc_filter); |
845 | 848 |
} |
846 | 849 |
|
847 | 850 |
template<typename DGR, typename NF, typename AF> |
848 | 851 |
SubDigraph<const DGR, NF, const AF> |
849 | 852 |
subDigraph(const DGR& digraph, |
850 | 853 |
NF& node_filter, const AF& arc_filter) { |
851 | 854 |
return SubDigraph<const DGR, NF, const AF> |
852 | 855 |
(digraph, node_filter, arc_filter); |
853 | 856 |
} |
854 | 857 |
|
855 | 858 |
template<typename DGR, typename NF, typename AF> |
856 | 859 |
SubDigraph<const DGR, const NF, const AF> |
857 | 860 |
subDigraph(const DGR& digraph, |
858 | 861 |
const NF& node_filter, const AF& arc_filter) { |
859 | 862 |
return SubDigraph<const DGR, const NF, const AF> |
860 | 863 |
(digraph, node_filter, arc_filter); |
861 | 864 |
} |
862 | 865 |
|
863 | 866 |
|
864 | 867 |
template <typename GR, typename NF, typename EF, bool ch = true> |
865 | 868 |
class SubGraphBase : public GraphAdaptorBase<GR> { |
869 |
typedef GraphAdaptorBase<GR> Parent; |
|
866 | 870 |
public: |
867 | 871 |
typedef GR Graph; |
868 | 872 |
typedef NF NodeFilterMap; |
869 | 873 |
typedef EF EdgeFilterMap; |
870 | 874 |
|
871 | 875 |
typedef SubGraphBase Adaptor; |
872 |
typedef GraphAdaptorBase<GR> Parent; |
|
873 | 876 |
protected: |
874 | 877 |
|
875 | 878 |
NF* _node_filter; |
876 | 879 |
EF* _edge_filter; |
877 | 880 |
|
878 | 881 |
SubGraphBase() |
879 | 882 |
: Parent(), _node_filter(0), _edge_filter(0) { } |
880 | 883 |
|
881 | 884 |
void initialize(GR& graph, NF& node_filter, EF& edge_filter) { |
882 | 885 |
Parent::initialize(graph); |
883 | 886 |
_node_filter = &node_filter; |
884 | 887 |
_edge_filter = &edge_filter; |
885 | 888 |
} |
886 | 889 |
|
887 | 890 |
public: |
888 | 891 |
|
889 | 892 |
typedef typename Parent::Node Node; |
890 | 893 |
typedef typename Parent::Arc Arc; |
891 | 894 |
typedef typename Parent::Edge Edge; |
892 | 895 |
|
893 | 896 |
void first(Node& i) const { |
894 | 897 |
Parent::first(i); |
895 | 898 |
while (i!=INVALID && !(*_node_filter)[i]) Parent::next(i); |
896 | 899 |
} |
897 | 900 |
|
898 | 901 |
void first(Arc& i) const { |
899 | 902 |
Parent::first(i); |
900 | 903 |
while (i!=INVALID && (!(*_edge_filter)[i] |
901 | 904 |
|| !(*_node_filter)[Parent::source(i)] |
902 | 905 |
|| !(*_node_filter)[Parent::target(i)])) |
903 | 906 |
Parent::next(i); |
904 | 907 |
} |
905 | 908 |
|
906 | 909 |
void first(Edge& i) const { |
907 | 910 |
Parent::first(i); |
908 | 911 |
while (i!=INVALID && (!(*_edge_filter)[i] |
909 | 912 |
|| !(*_node_filter)[Parent::u(i)] |
910 | 913 |
|| !(*_node_filter)[Parent::v(i)])) |
911 | 914 |
Parent::next(i); |
912 | 915 |
} |
913 | 916 |
|
914 | 917 |
void firstIn(Arc& i, const Node& n) const { |
915 | 918 |
Parent::firstIn(i, n); |
916 | 919 |
while (i!=INVALID && (!(*_edge_filter)[i] |
917 | 920 |
|| !(*_node_filter)[Parent::source(i)])) |
918 | 921 |
Parent::nextIn(i); |
919 | 922 |
} |
920 | 923 |
|
921 | 924 |
void firstOut(Arc& i, const Node& n) const { |
922 | 925 |
Parent::firstOut(i, n); |
923 | 926 |
while (i!=INVALID && (!(*_edge_filter)[i] |
924 | 927 |
|| !(*_node_filter)[Parent::target(i)])) |
925 | 928 |
Parent::nextOut(i); |
926 | 929 |
} |
927 | 930 |
|
928 | 931 |
void firstInc(Edge& i, bool& d, const Node& n) const { |
929 | 932 |
Parent::firstInc(i, d, n); |
930 | 933 |
while (i!=INVALID && (!(*_edge_filter)[i] |
931 | 934 |
|| !(*_node_filter)[Parent::u(i)] |
932 | 935 |
|| !(*_node_filter)[Parent::v(i)])) |
933 | 936 |
Parent::nextInc(i, d); |
934 | 937 |
} |
935 | 938 |
|
936 | 939 |
void next(Node& i) const { |
... | ... |
@@ -955,379 +958,385 @@ |
955 | 958 |
} |
956 | 959 |
|
957 | 960 |
void nextIn(Arc& i) const { |
958 | 961 |
Parent::nextIn(i); |
959 | 962 |
while (i!=INVALID && (!(*_edge_filter)[i] |
960 | 963 |
|| !(*_node_filter)[Parent::source(i)])) |
961 | 964 |
Parent::nextIn(i); |
962 | 965 |
} |
963 | 966 |
|
964 | 967 |
void nextOut(Arc& i) const { |
965 | 968 |
Parent::nextOut(i); |
966 | 969 |
while (i!=INVALID && (!(*_edge_filter)[i] |
967 | 970 |
|| !(*_node_filter)[Parent::target(i)])) |
968 | 971 |
Parent::nextOut(i); |
969 | 972 |
} |
970 | 973 |
|
971 | 974 |
void nextInc(Edge& i, bool& d) const { |
972 | 975 |
Parent::nextInc(i, d); |
973 | 976 |
while (i!=INVALID && (!(*_edge_filter)[i] |
974 | 977 |
|| !(*_node_filter)[Parent::u(i)] |
975 | 978 |
|| !(*_node_filter)[Parent::v(i)])) |
976 | 979 |
Parent::nextInc(i, d); |
977 | 980 |
} |
978 | 981 |
|
979 | 982 |
void status(const Node& n, bool v) const { _node_filter->set(n, v); } |
980 | 983 |
void status(const Edge& e, bool v) const { _edge_filter->set(e, v); } |
981 | 984 |
|
982 | 985 |
bool status(const Node& n) const { return (*_node_filter)[n]; } |
983 | 986 |
bool status(const Edge& e) const { return (*_edge_filter)[e]; } |
984 | 987 |
|
985 | 988 |
typedef False NodeNumTag; |
986 | 989 |
typedef False ArcNumTag; |
987 | 990 |
typedef False EdgeNumTag; |
988 | 991 |
|
989 | 992 |
typedef FindArcTagIndicator<Graph> FindArcTag; |
990 | 993 |
Arc findArc(const Node& u, const Node& v, |
991 | 994 |
const Arc& prev = INVALID) const { |
992 | 995 |
if (!(*_node_filter)[u] || !(*_node_filter)[v]) { |
993 | 996 |
return INVALID; |
994 | 997 |
} |
995 | 998 |
Arc arc = Parent::findArc(u, v, prev); |
996 | 999 |
while (arc != INVALID && !(*_edge_filter)[arc]) { |
997 | 1000 |
arc = Parent::findArc(u, v, arc); |
998 | 1001 |
} |
999 | 1002 |
return arc; |
1000 | 1003 |
} |
1001 | 1004 |
|
1002 | 1005 |
typedef FindEdgeTagIndicator<Graph> FindEdgeTag; |
1003 | 1006 |
Edge findEdge(const Node& u, const Node& v, |
1004 | 1007 |
const Edge& prev = INVALID) const { |
1005 | 1008 |
if (!(*_node_filter)[u] || !(*_node_filter)[v]) { |
1006 | 1009 |
return INVALID; |
1007 | 1010 |
} |
1008 | 1011 |
Edge edge = Parent::findEdge(u, v, prev); |
1009 | 1012 |
while (edge != INVALID && !(*_edge_filter)[edge]) { |
1010 | 1013 |
edge = Parent::findEdge(u, v, edge); |
1011 | 1014 |
} |
1012 | 1015 |
return edge; |
1013 | 1016 |
} |
1014 | 1017 |
|
1015 | 1018 |
template <typename V> |
1016 | 1019 |
class NodeMap |
1017 | 1020 |
: public SubMapExtender<SubGraphBase<GR, NF, EF, ch>, |
1018 | 1021 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, NodeMap<V>)> { |
1022 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, ch>, |
|
1023 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, NodeMap<V>)> Parent; |
|
1024 |
|
|
1019 | 1025 |
public: |
1020 | 1026 |
typedef V Value; |
1021 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, ch>, |
|
1022 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, NodeMap<V>)> Parent; |
|
1023 | 1027 |
|
1024 | 1028 |
NodeMap(const SubGraphBase<GR, NF, EF, ch>& adaptor) |
1025 | 1029 |
: Parent(adaptor) {} |
1026 | 1030 |
NodeMap(const SubGraphBase<GR, NF, EF, ch>& adaptor, const V& value) |
1027 | 1031 |
: Parent(adaptor, value) {} |
1028 | 1032 |
|
1029 | 1033 |
private: |
1030 | 1034 |
NodeMap& operator=(const NodeMap& cmap) { |
1031 | 1035 |
return operator=<NodeMap>(cmap); |
1032 | 1036 |
} |
1033 | 1037 |
|
1034 | 1038 |
template <typename CMap> |
1035 | 1039 |
NodeMap& operator=(const CMap& cmap) { |
1036 | 1040 |
Parent::operator=(cmap); |
1037 | 1041 |
return *this; |
1038 | 1042 |
} |
1039 | 1043 |
}; |
1040 | 1044 |
|
1041 | 1045 |
template <typename V> |
1042 | 1046 |
class ArcMap |
1043 | 1047 |
: public SubMapExtender<SubGraphBase<GR, NF, EF, ch>, |
1044 | 1048 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, ArcMap<V>)> { |
1049 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, ch>, |
|
1050 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, ArcMap<V>)> Parent; |
|
1051 |
|
|
1045 | 1052 |
public: |
1046 | 1053 |
typedef V Value; |
1047 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, ch>, |
|
1048 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, ArcMap<V>)> Parent; |
|
1049 | 1054 |
|
1050 | 1055 |
ArcMap(const SubGraphBase<GR, NF, EF, ch>& adaptor) |
1051 | 1056 |
: Parent(adaptor) {} |
1052 | 1057 |
ArcMap(const SubGraphBase<GR, NF, EF, ch>& adaptor, const V& value) |
1053 | 1058 |
: Parent(adaptor, value) {} |
1054 | 1059 |
|
1055 | 1060 |
private: |
1056 | 1061 |
ArcMap& operator=(const ArcMap& cmap) { |
1057 | 1062 |
return operator=<ArcMap>(cmap); |
1058 | 1063 |
} |
1059 | 1064 |
|
1060 | 1065 |
template <typename CMap> |
1061 | 1066 |
ArcMap& operator=(const CMap& cmap) { |
1062 | 1067 |
Parent::operator=(cmap); |
1063 | 1068 |
return *this; |
1064 | 1069 |
} |
1065 | 1070 |
}; |
1066 | 1071 |
|
1067 | 1072 |
template <typename V> |
1068 | 1073 |
class EdgeMap |
1069 | 1074 |
: public SubMapExtender<SubGraphBase<GR, NF, EF, ch>, |
1070 | 1075 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, EdgeMap<V>)> { |
1076 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, ch>, |
|
1077 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, EdgeMap<V>)> Parent; |
|
1078 |
|
|
1071 | 1079 |
public: |
1072 | 1080 |
typedef V Value; |
1073 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, ch>, |
|
1074 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, EdgeMap<V>)> Parent; |
|
1075 | 1081 |
|
1076 | 1082 |
EdgeMap(const SubGraphBase<GR, NF, EF, ch>& adaptor) |
1077 | 1083 |
: Parent(adaptor) {} |
1078 | 1084 |
|
1079 | 1085 |
EdgeMap(const SubGraphBase<GR, NF, EF, ch>& adaptor, const V& value) |
1080 | 1086 |
: Parent(adaptor, value) {} |
1081 | 1087 |
|
1082 | 1088 |
private: |
1083 | 1089 |
EdgeMap& operator=(const EdgeMap& cmap) { |
1084 | 1090 |
return operator=<EdgeMap>(cmap); |
1085 | 1091 |
} |
1086 | 1092 |
|
1087 | 1093 |
template <typename CMap> |
1088 | 1094 |
EdgeMap& operator=(const CMap& cmap) { |
1089 | 1095 |
Parent::operator=(cmap); |
1090 | 1096 |
return *this; |
1091 | 1097 |
} |
1092 | 1098 |
}; |
1093 | 1099 |
|
1094 | 1100 |
}; |
1095 | 1101 |
|
1096 | 1102 |
template <typename GR, typename NF, typename EF> |
1097 | 1103 |
class SubGraphBase<GR, NF, EF, false> |
1098 | 1104 |
: public GraphAdaptorBase<GR> { |
1105 |
typedef GraphAdaptorBase<GR> Parent; |
|
1099 | 1106 |
public: |
1100 | 1107 |
typedef GR Graph; |
1101 | 1108 |
typedef NF NodeFilterMap; |
1102 | 1109 |
typedef EF EdgeFilterMap; |
1103 | 1110 |
|
1104 | 1111 |
typedef SubGraphBase Adaptor; |
1105 |
typedef GraphAdaptorBase<GR> Parent; |
|
1106 | 1112 |
protected: |
1107 | 1113 |
NF* _node_filter; |
1108 | 1114 |
EF* _edge_filter; |
1109 | 1115 |
SubGraphBase() |
1110 | 1116 |
: Parent(), _node_filter(0), _edge_filter(0) { } |
1111 | 1117 |
|
1112 | 1118 |
void initialize(GR& graph, NF& node_filter, EF& edge_filter) { |
1113 | 1119 |
Parent::initialize(graph); |
1114 | 1120 |
_node_filter = &node_filter; |
1115 | 1121 |
_edge_filter = &edge_filter; |
1116 | 1122 |
} |
1117 | 1123 |
|
1118 | 1124 |
public: |
1119 | 1125 |
|
1120 | 1126 |
typedef typename Parent::Node Node; |
1121 | 1127 |
typedef typename Parent::Arc Arc; |
1122 | 1128 |
typedef typename Parent::Edge Edge; |
1123 | 1129 |
|
1124 | 1130 |
void first(Node& i) const { |
1125 | 1131 |
Parent::first(i); |
1126 | 1132 |
while (i!=INVALID && !(*_node_filter)[i]) Parent::next(i); |
1127 | 1133 |
} |
1128 | 1134 |
|
1129 | 1135 |
void first(Arc& i) const { |
1130 | 1136 |
Parent::first(i); |
1131 | 1137 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::next(i); |
1132 | 1138 |
} |
1133 | 1139 |
|
1134 | 1140 |
void first(Edge& i) const { |
1135 | 1141 |
Parent::first(i); |
1136 | 1142 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::next(i); |
1137 | 1143 |
} |
1138 | 1144 |
|
1139 | 1145 |
void firstIn(Arc& i, const Node& n) const { |
1140 | 1146 |
Parent::firstIn(i, n); |
1141 | 1147 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::nextIn(i); |
1142 | 1148 |
} |
1143 | 1149 |
|
1144 | 1150 |
void firstOut(Arc& i, const Node& n) const { |
1145 | 1151 |
Parent::firstOut(i, n); |
1146 | 1152 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::nextOut(i); |
1147 | 1153 |
} |
1148 | 1154 |
|
1149 | 1155 |
void firstInc(Edge& i, bool& d, const Node& n) const { |
1150 | 1156 |
Parent::firstInc(i, d, n); |
1151 | 1157 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::nextInc(i, d); |
1152 | 1158 |
} |
1153 | 1159 |
|
1154 | 1160 |
void next(Node& i) const { |
1155 | 1161 |
Parent::next(i); |
1156 | 1162 |
while (i!=INVALID && !(*_node_filter)[i]) Parent::next(i); |
1157 | 1163 |
} |
1158 | 1164 |
void next(Arc& i) const { |
1159 | 1165 |
Parent::next(i); |
1160 | 1166 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::next(i); |
1161 | 1167 |
} |
1162 | 1168 |
void next(Edge& i) const { |
1163 | 1169 |
Parent::next(i); |
1164 | 1170 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::next(i); |
1165 | 1171 |
} |
1166 | 1172 |
void nextIn(Arc& i) const { |
1167 | 1173 |
Parent::nextIn(i); |
1168 | 1174 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::nextIn(i); |
1169 | 1175 |
} |
1170 | 1176 |
|
1171 | 1177 |
void nextOut(Arc& i) const { |
1172 | 1178 |
Parent::nextOut(i); |
1173 | 1179 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::nextOut(i); |
1174 | 1180 |
} |
1175 | 1181 |
void nextInc(Edge& i, bool& d) const { |
1176 | 1182 |
Parent::nextInc(i, d); |
1177 | 1183 |
while (i!=INVALID && !(*_edge_filter)[i]) Parent::nextInc(i, d); |
1178 | 1184 |
} |
1179 | 1185 |
|
1180 | 1186 |
void status(const Node& n, bool v) const { _node_filter->set(n, v); } |
1181 | 1187 |
void status(const Edge& e, bool v) const { _edge_filter->set(e, v); } |
1182 | 1188 |
|
1183 | 1189 |
bool status(const Node& n) const { return (*_node_filter)[n]; } |
1184 | 1190 |
bool status(const Edge& e) const { return (*_edge_filter)[e]; } |
1185 | 1191 |
|
1186 | 1192 |
typedef False NodeNumTag; |
1187 | 1193 |
typedef False ArcNumTag; |
1188 | 1194 |
typedef False EdgeNumTag; |
1189 | 1195 |
|
1190 | 1196 |
typedef FindArcTagIndicator<Graph> FindArcTag; |
1191 | 1197 |
Arc findArc(const Node& u, const Node& v, |
1192 | 1198 |
const Arc& prev = INVALID) const { |
1193 | 1199 |
Arc arc = Parent::findArc(u, v, prev); |
1194 | 1200 |
while (arc != INVALID && !(*_edge_filter)[arc]) { |
1195 | 1201 |
arc = Parent::findArc(u, v, arc); |
1196 | 1202 |
} |
1197 | 1203 |
return arc; |
1198 | 1204 |
} |
1199 | 1205 |
|
1200 | 1206 |
typedef FindEdgeTagIndicator<Graph> FindEdgeTag; |
1201 | 1207 |
Edge findEdge(const Node& u, const Node& v, |
1202 | 1208 |
const Edge& prev = INVALID) const { |
1203 | 1209 |
Edge edge = Parent::findEdge(u, v, prev); |
1204 | 1210 |
while (edge != INVALID && !(*_edge_filter)[edge]) { |
1205 | 1211 |
edge = Parent::findEdge(u, v, edge); |
1206 | 1212 |
} |
1207 | 1213 |
return edge; |
1208 | 1214 |
} |
1209 | 1215 |
|
1210 | 1216 |
template <typename V> |
1211 | 1217 |
class NodeMap |
1212 | 1218 |
: public SubMapExtender<SubGraphBase<GR, NF, EF, false>, |
1213 | 1219 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, NodeMap<V>)> { |
1220 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, false>, |
|
1221 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, NodeMap<V>)> Parent; |
|
1222 |
|
|
1214 | 1223 |
public: |
1215 | 1224 |
typedef V Value; |
1216 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, false>, |
|
1217 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, NodeMap<V>)> Parent; |
|
1218 | 1225 |
|
1219 | 1226 |
NodeMap(const SubGraphBase<GR, NF, EF, false>& adaptor) |
1220 | 1227 |
: Parent(adaptor) {} |
1221 | 1228 |
NodeMap(const SubGraphBase<GR, NF, EF, false>& adaptor, const V& value) |
1222 | 1229 |
: Parent(adaptor, value) {} |
1223 | 1230 |
|
1224 | 1231 |
private: |
1225 | 1232 |
NodeMap& operator=(const NodeMap& cmap) { |
1226 | 1233 |
return operator=<NodeMap>(cmap); |
1227 | 1234 |
} |
1228 | 1235 |
|
1229 | 1236 |
template <typename CMap> |
1230 | 1237 |
NodeMap& operator=(const CMap& cmap) { |
1231 | 1238 |
Parent::operator=(cmap); |
1232 | 1239 |
return *this; |
1233 | 1240 |
} |
1234 | 1241 |
}; |
1235 | 1242 |
|
1236 | 1243 |
template <typename V> |
1237 | 1244 |
class ArcMap |
1238 | 1245 |
: public SubMapExtender<SubGraphBase<GR, NF, EF, false>, |
1239 | 1246 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, ArcMap<V>)> { |
1247 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, false>, |
|
1248 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, ArcMap<V>)> Parent; |
|
1249 |
|
|
1240 | 1250 |
public: |
1241 | 1251 |
typedef V Value; |
1242 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, false>, |
|
1243 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, ArcMap<V>)> Parent; |
|
1244 | 1252 |
|
1245 | 1253 |
ArcMap(const SubGraphBase<GR, NF, EF, false>& adaptor) |
1246 | 1254 |
: Parent(adaptor) {} |
1247 | 1255 |
ArcMap(const SubGraphBase<GR, NF, EF, false>& adaptor, const V& value) |
1248 | 1256 |
: Parent(adaptor, value) {} |
1249 | 1257 |
|
1250 | 1258 |
private: |
1251 | 1259 |
ArcMap& operator=(const ArcMap& cmap) { |
1252 | 1260 |
return operator=<ArcMap>(cmap); |
1253 | 1261 |
} |
1254 | 1262 |
|
1255 | 1263 |
template <typename CMap> |
1256 | 1264 |
ArcMap& operator=(const CMap& cmap) { |
1257 | 1265 |
Parent::operator=(cmap); |
1258 | 1266 |
return *this; |
1259 | 1267 |
} |
1260 | 1268 |
}; |
1261 | 1269 |
|
1262 | 1270 |
template <typename V> |
1263 | 1271 |
class EdgeMap |
1264 | 1272 |
: public SubMapExtender<SubGraphBase<GR, NF, EF, false>, |
1265 | 1273 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, EdgeMap<V>)> { |
1274 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, false>, |
|
1275 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, EdgeMap<V>)> Parent; |
|
1276 |
|
|
1266 | 1277 |
public: |
1267 | 1278 |
typedef V Value; |
1268 |
typedef SubMapExtender<SubGraphBase<GR, NF, EF, false>, |
|
1269 |
LEMON_SCOPE_FIX(GraphAdaptorBase<GR>, EdgeMap<V>)> Parent; |
|
1270 | 1279 |
|
1271 | 1280 |
EdgeMap(const SubGraphBase<GR, NF, EF, false>& adaptor) |
1272 | 1281 |
: Parent(adaptor) {} |
1273 | 1282 |
|
1274 | 1283 |
EdgeMap(const SubGraphBase<GR, NF, EF, false>& adaptor, const V& value) |
1275 | 1284 |
: Parent(adaptor, value) {} |
1276 | 1285 |
|
1277 | 1286 |
private: |
1278 | 1287 |
EdgeMap& operator=(const EdgeMap& cmap) { |
1279 | 1288 |
return operator=<EdgeMap>(cmap); |
1280 | 1289 |
} |
1281 | 1290 |
|
1282 | 1291 |
template <typename CMap> |
1283 | 1292 |
EdgeMap& operator=(const CMap& cmap) { |
1284 | 1293 |
Parent::operator=(cmap); |
1285 | 1294 |
return *this; |
1286 | 1295 |
} |
1287 | 1296 |
}; |
1288 | 1297 |
|
1289 | 1298 |
}; |
1290 | 1299 |
|
1291 | 1300 |
/// \ingroup graph_adaptors |
1292 | 1301 |
/// |
1293 | 1302 |
/// \brief Adaptor class for hiding nodes and edges in an undirected |
1294 | 1303 |
/// graph. |
1295 | 1304 |
/// |
1296 | 1305 |
/// SubGraph can be used for hiding nodes and edges in a graph. |
1297 | 1306 |
/// A \c bool node map and a \c bool edge map must be specified, which |
1298 | 1307 |
/// define the filters for nodes and edges. |
1299 | 1308 |
/// Only the nodes and edges with \c true filter value are |
1300 | 1309 |
/// shown in the subgraph. The edges that are incident to hidden |
1301 | 1310 |
/// nodes are also filtered out. |
1302 | 1311 |
/// This adaptor conforms to the \ref concepts::Graph "Graph" concept. |
1303 | 1312 |
/// |
1304 | 1313 |
/// The adapted graph can also be modified through this adaptor |
1305 | 1314 |
/// by adding or removing nodes or edges, unless the \c GR template |
1306 | 1315 |
/// parameter is set to be \c const. |
1307 | 1316 |
/// |
1308 | 1317 |
/// \tparam GR The type of the adapted graph. |
1309 | 1318 |
/// It must conform to the \ref concepts::Graph "Graph" concept. |
1310 | 1319 |
/// It can also be specified to be \c const. |
1311 | 1320 |
/// \tparam NF The type of the node filter map. |
1312 | 1321 |
/// It must be a \c bool (or convertible) node map of the |
1313 | 1322 |
/// adapted graph. The default type is |
1314 | 1323 |
/// \ref concepts::Graph::NodeMap "GR::NodeMap<bool>". |
1315 | 1324 |
/// \tparam EF The type of the edge filter map. |
1316 | 1325 |
/// It must be a \c bool (or convertible) edge map of the |
1317 | 1326 |
/// adapted graph. The default type is |
1318 | 1327 |
/// \ref concepts::Graph::EdgeMap "GR::EdgeMap<bool>". |
1319 | 1328 |
/// |
1320 | 1329 |
/// \note The \c Node, \c Edge and \c Arc types of this adaptor and the |
1321 | 1330 |
/// adapted graph are convertible to each other. |
1322 | 1331 |
/// |
1323 | 1332 |
/// \see FilterNodes |
1324 | 1333 |
/// \see FilterEdges |
1325 | 1334 |
#ifdef DOXYGEN |
1326 | 1335 |
template<typename GR, typename NF, typename EF> |
1327 | 1336 |
class SubGraph { |
1328 | 1337 |
#else |
1329 | 1338 |
template<typename GR, |
1330 | 1339 |
typename NF = typename GR::template NodeMap<bool>, |
1331 | 1340 |
typename EF = typename GR::template EdgeMap<bool> > |
1332 | 1341 |
class SubGraph : |
1333 | 1342 |
public GraphAdaptorExtender<SubGraphBase<GR, NF, EF, true> > { |
... | ... |
@@ -1424,391 +1433,396 @@ |
1424 | 1433 |
(graph, node_filter, edge_filter); |
1425 | 1434 |
} |
1426 | 1435 |
|
1427 | 1436 |
template<typename GR, typename NF, typename EF> |
1428 | 1437 |
SubGraph<const GR, const NF, EF> |
1429 | 1438 |
subGraph(const GR& graph, const NF& node_filter, EF& edge_filter) { |
1430 | 1439 |
return SubGraph<const GR, const NF, EF> |
1431 | 1440 |
(graph, node_filter, edge_filter); |
1432 | 1441 |
} |
1433 | 1442 |
|
1434 | 1443 |
template<typename GR, typename NF, typename EF> |
1435 | 1444 |
SubGraph<const GR, NF, const EF> |
1436 | 1445 |
subGraph(const GR& graph, NF& node_filter, const EF& edge_filter) { |
1437 | 1446 |
return SubGraph<const GR, NF, const EF> |
1438 | 1447 |
(graph, node_filter, edge_filter); |
1439 | 1448 |
} |
1440 | 1449 |
|
1441 | 1450 |
template<typename GR, typename NF, typename EF> |
1442 | 1451 |
SubGraph<const GR, const NF, const EF> |
1443 | 1452 |
subGraph(const GR& graph, const NF& node_filter, const EF& edge_filter) { |
1444 | 1453 |
return SubGraph<const GR, const NF, const EF> |
1445 | 1454 |
(graph, node_filter, edge_filter); |
1446 | 1455 |
} |
1447 | 1456 |
|
1448 | 1457 |
|
1449 | 1458 |
/// \ingroup graph_adaptors |
1450 | 1459 |
/// |
1451 | 1460 |
/// \brief Adaptor class for hiding nodes in a digraph or a graph. |
1452 | 1461 |
/// |
1453 | 1462 |
/// FilterNodes adaptor can be used for hiding nodes in a digraph or a |
1454 | 1463 |
/// graph. A \c bool node map must be specified, which defines the filter |
1455 | 1464 |
/// for the nodes. Only the nodes with \c true filter value and the |
1456 | 1465 |
/// arcs/edges incident to nodes both with \c true filter value are shown |
1457 | 1466 |
/// in the subgraph. This adaptor conforms to the \ref concepts::Digraph |
1458 | 1467 |
/// "Digraph" concept or the \ref concepts::Graph "Graph" concept |
1459 | 1468 |
/// depending on the \c GR template parameter. |
1460 | 1469 |
/// |
1461 | 1470 |
/// The adapted (di)graph can also be modified through this adaptor |
1462 | 1471 |
/// by adding or removing nodes or arcs/edges, unless the \c GR template |
1463 | 1472 |
/// parameter is set to be \c const. |
1464 | 1473 |
/// |
1465 | 1474 |
/// \tparam GR The type of the adapted digraph or graph. |
1466 | 1475 |
/// It must conform to the \ref concepts::Digraph "Digraph" concept |
1467 | 1476 |
/// or the \ref concepts::Graph "Graph" concept. |
1468 | 1477 |
/// It can also be specified to be \c const. |
1469 | 1478 |
/// \tparam NF The type of the node filter map. |
1470 | 1479 |
/// It must be a \c bool (or convertible) node map of the |
1471 | 1480 |
/// adapted (di)graph. The default type is |
1472 | 1481 |
/// \ref concepts::Graph::NodeMap "GR::NodeMap<bool>". |
1473 | 1482 |
/// |
1474 | 1483 |
/// \note The \c Node and <tt>Arc/Edge</tt> types of this adaptor and the |
1475 | 1484 |
/// adapted (di)graph are convertible to each other. |
1476 | 1485 |
#ifdef DOXYGEN |
1477 | 1486 |
template<typename GR, typename NF> |
1478 | 1487 |
class FilterNodes { |
1479 | 1488 |
#else |
1480 | 1489 |
template<typename GR, |
1481 | 1490 |
typename NF = typename GR::template NodeMap<bool>, |
1482 | 1491 |
typename Enable = void> |
1483 | 1492 |
class FilterNodes : |
1484 | 1493 |
public DigraphAdaptorExtender< |
1485 | 1494 |
SubDigraphBase<GR, NF, ConstMap<typename GR::Arc, Const<bool, true> >, |
1486 | 1495 |
true> > { |
1487 | 1496 |
#endif |
1488 |
public: |
|
1489 |
|
|
1490 |
typedef GR Digraph; |
|
1491 |
typedef NF NodeFilterMap; |
|
1492 |
|
|
1493 | 1497 |
typedef DigraphAdaptorExtender< |
1494 | 1498 |
SubDigraphBase<GR, NF, ConstMap<typename GR::Arc, Const<bool, true> >, |
1495 | 1499 |
true> > Parent; |
1496 | 1500 |
|
1501 |
public: |
|
1502 |
|
|
1503 |
typedef GR Digraph; |
|
1504 |
typedef NF NodeFilterMap; |
|
1505 |
|
|
1497 | 1506 |
typedef typename Parent::Node Node; |
1498 | 1507 |
|
1499 | 1508 |
protected: |
1500 | 1509 |
ConstMap<typename Digraph::Arc, Const<bool, true> > const_true_map; |
1501 | 1510 |
|
1502 | 1511 |
FilterNodes() : const_true_map() {} |
1503 | 1512 |
|
1504 | 1513 |
public: |
1505 | 1514 |
|
1506 | 1515 |
/// \brief Constructor |
1507 | 1516 |
/// |
1508 | 1517 |
/// Creates a subgraph for the given digraph or graph with the |
1509 | 1518 |
/// given node filter map. |
1510 | 1519 |
FilterNodes(GR& graph, NF& node_filter) |
1511 | 1520 |
: Parent(), const_true_map() |
1512 | 1521 |
{ |
1513 | 1522 |
Parent::initialize(graph, node_filter, const_true_map); |
1514 | 1523 |
} |
1515 | 1524 |
|
1516 | 1525 |
/// \brief Sets the status of the given node |
1517 | 1526 |
/// |
1518 | 1527 |
/// This function sets the status of the given node. |
1519 | 1528 |
/// It is done by simply setting the assigned value of \c n |
1520 | 1529 |
/// to \c v in the node filter map. |
1521 | 1530 |
void status(const Node& n, bool v) const { Parent::status(n, v); } |
1522 | 1531 |
|
1523 | 1532 |
/// \brief Returns the status of the given node |
1524 | 1533 |
/// |
1525 | 1534 |
/// This function returns the status of the given node. |
1526 | 1535 |
/// It is \c true if the given node is enabled (i.e. not hidden). |
1527 | 1536 |
bool status(const Node& n) const { return Parent::status(n); } |
1528 | 1537 |
|
1529 | 1538 |
/// \brief Disables the given node |
1530 | 1539 |
/// |
1531 | 1540 |
/// This function disables the given node, so the iteration |
1532 | 1541 |
/// jumps over it. |
1533 | 1542 |
/// It is the same as \ref status() "status(n, false)". |
1534 | 1543 |
void disable(const Node& n) const { Parent::status(n, false); } |
1535 | 1544 |
|
1536 | 1545 |
/// \brief Enables the given node |
1537 | 1546 |
/// |
1538 | 1547 |
/// This function enables the given node. |
1539 | 1548 |
/// It is the same as \ref status() "status(n, true)". |
1540 | 1549 |
void enable(const Node& n) const { Parent::status(n, true); } |
1541 | 1550 |
|
1542 | 1551 |
}; |
1543 | 1552 |
|
1544 | 1553 |
template<typename GR, typename NF> |
1545 | 1554 |
class FilterNodes<GR, NF, |
1546 | 1555 |
typename enable_if<UndirectedTagIndicator<GR> >::type> : |
1547 | 1556 |
public GraphAdaptorExtender< |
1548 | 1557 |
SubGraphBase<GR, NF, ConstMap<typename GR::Edge, Const<bool, true> >, |
1549 | 1558 |
true> > { |
1550 | 1559 |
|
1551 |
public: |
|
1552 |
typedef GR Graph; |
|
1553 |
typedef NF NodeFilterMap; |
|
1554 | 1560 |
typedef GraphAdaptorExtender< |
1555 | 1561 |
SubGraphBase<GR, NF, ConstMap<typename GR::Edge, Const<bool, true> >, |
1556 | 1562 |
true> > Parent; |
1557 | 1563 |
|
1564 |
public: |
|
1565 |
|
|
1566 |
typedef GR Graph; |
|
1567 |
typedef NF NodeFilterMap; |
|
1568 |
|
|
1558 | 1569 |
typedef typename Parent::Node Node; |
1570 |
|
|
1559 | 1571 |
protected: |
1560 | 1572 |
ConstMap<typename GR::Edge, Const<bool, true> > const_true_map; |
1561 | 1573 |
|
1562 | 1574 |
FilterNodes() : const_true_map() {} |
1563 | 1575 |
|
1564 | 1576 |
public: |
1565 | 1577 |
|
1566 | 1578 |
FilterNodes(GR& graph, NodeFilterMap& node_filter) : |
1567 | 1579 |
Parent(), const_true_map() { |
1568 | 1580 |
Parent::initialize(graph, node_filter, const_true_map); |
1569 | 1581 |
} |
1570 | 1582 |
|
1571 | 1583 |
void status(const Node& n, bool v) const { Parent::status(n, v); } |
1572 | 1584 |
bool status(const Node& n) const { return Parent::status(n); } |
1573 | 1585 |
void disable(const Node& n) const { Parent::status(n, false); } |
1574 | 1586 |
void enable(const Node& n) const { Parent::status(n, true); } |
1575 | 1587 |
|
1576 | 1588 |
}; |
1577 | 1589 |
|
1578 | 1590 |
|
1579 | 1591 |
/// \brief Returns a read-only FilterNodes adaptor |
1580 | 1592 |
/// |
1581 | 1593 |
/// This function just returns a read-only \ref FilterNodes adaptor. |
1582 | 1594 |
/// \ingroup graph_adaptors |
1583 | 1595 |
/// \relates FilterNodes |
1584 | 1596 |
template<typename GR, typename NF> |
1585 | 1597 |
FilterNodes<const GR, NF> |
1586 | 1598 |
filterNodes(const GR& graph, NF& node_filter) { |
1587 | 1599 |
return FilterNodes<const GR, NF>(graph, node_filter); |
1588 | 1600 |
} |
1589 | 1601 |
|
1590 | 1602 |
template<typename GR, typename NF> |
1591 | 1603 |
FilterNodes<const GR, const NF> |
1592 | 1604 |
filterNodes(const GR& graph, const NF& node_filter) { |
1593 | 1605 |
return FilterNodes<const GR, const NF>(graph, node_filter); |
1594 | 1606 |
} |
1595 | 1607 |
|
1596 | 1608 |
/// \ingroup graph_adaptors |
1597 | 1609 |
/// |
1598 | 1610 |
/// \brief Adaptor class for hiding arcs in a digraph. |
1599 | 1611 |
/// |
1600 | 1612 |
/// FilterArcs adaptor can be used for hiding arcs in a digraph. |
1601 | 1613 |
/// A \c bool arc map must be specified, which defines the filter for |
1602 | 1614 |
/// the arcs. Only the arcs with \c true filter value are shown in the |
1603 | 1615 |
/// subdigraph. This adaptor conforms to the \ref concepts::Digraph |
1604 | 1616 |
/// "Digraph" concept. |
1605 | 1617 |
/// |
1606 | 1618 |
/// The adapted digraph can also be modified through this adaptor |
1607 | 1619 |
/// by adding or removing nodes or arcs, unless the \c GR template |
1608 | 1620 |
/// parameter is set to be \c const. |
1609 | 1621 |
/// |
1610 | 1622 |
/// \tparam DGR The type of the adapted digraph. |
1611 | 1623 |
/// It must conform to the \ref concepts::Digraph "Digraph" concept. |
1612 | 1624 |
/// It can also be specified to be \c const. |
1613 | 1625 |
/// \tparam AF The type of the arc filter map. |
1614 | 1626 |
/// It must be a \c bool (or convertible) arc map of the |
1615 | 1627 |
/// adapted digraph. The default type is |
1616 | 1628 |
/// \ref concepts::Digraph::ArcMap "DGR::ArcMap<bool>". |
1617 | 1629 |
/// |
1618 | 1630 |
/// \note The \c Node and \c Arc types of this adaptor and the adapted |
1619 | 1631 |
/// digraph are convertible to each other. |
1620 | 1632 |
#ifdef DOXYGEN |
1621 | 1633 |
template<typename DGR, |
1622 | 1634 |
typename AF> |
1623 | 1635 |
class FilterArcs { |
1624 | 1636 |
#else |
1625 | 1637 |
template<typename DGR, |
1626 | 1638 |
typename AF = typename DGR::template ArcMap<bool> > |
1627 | 1639 |
class FilterArcs : |
1628 | 1640 |
public DigraphAdaptorExtender< |
1629 | 1641 |
SubDigraphBase<DGR, ConstMap<typename DGR::Node, Const<bool, true> >, |
1630 | 1642 |
AF, false> > { |
1631 | 1643 |
#endif |
1644 |
typedef DigraphAdaptorExtender< |
|
1645 |
SubDigraphBase<DGR, ConstMap<typename DGR::Node, Const<bool, true> >, |
|
1646 |
AF, false> > Parent; |
|
1647 |
|
|
1632 | 1648 |
public: |
1649 |
|
|
1633 | 1650 |
/// The type of the adapted digraph. |
1634 | 1651 |
typedef DGR Digraph; |
1635 | 1652 |
/// The type of the arc filter map. |
1636 | 1653 |
typedef AF ArcFilterMap; |
1637 | 1654 |
|
1638 |
typedef DigraphAdaptorExtender< |
|
1639 |
SubDigraphBase<DGR, ConstMap<typename DGR::Node, Const<bool, true> >, |
|
1640 |
AF, false> > Parent; |
|
1641 |
|
|
1642 | 1655 |
typedef typename Parent::Arc Arc; |
1643 | 1656 |
|
1644 | 1657 |
protected: |
1645 | 1658 |
ConstMap<typename DGR::Node, Const<bool, true> > const_true_map; |
1646 | 1659 |
|
1647 | 1660 |
FilterArcs() : const_true_map() {} |
1648 | 1661 |
|
1649 | 1662 |
public: |
1650 | 1663 |
|
1651 | 1664 |
/// \brief Constructor |
1652 | 1665 |
/// |
1653 | 1666 |
/// Creates a subdigraph for the given digraph with the given arc |
1654 | 1667 |
/// filter map. |
1655 | 1668 |
FilterArcs(DGR& digraph, ArcFilterMap& arc_filter) |
1656 | 1669 |
: Parent(), const_true_map() { |
1657 | 1670 |
Parent::initialize(digraph, const_true_map, arc_filter); |
1658 | 1671 |
} |
1659 | 1672 |
|
1660 | 1673 |
/// \brief Sets the status of the given arc |
1661 | 1674 |
/// |
1662 | 1675 |
/// This function sets the status of the given arc. |
1663 | 1676 |
/// It is done by simply setting the assigned value of \c a |
1664 | 1677 |
/// to \c v in the arc filter map. |
1665 | 1678 |
void status(const Arc& a, bool v) const { Parent::status(a, v); } |
1666 | 1679 |
|
1667 | 1680 |
/// \brief Returns the status of the given arc |
1668 | 1681 |
/// |
1669 | 1682 |
/// This function returns the status of the given arc. |
1670 | 1683 |
/// It is \c true if the given arc is enabled (i.e. not hidden). |
1671 | 1684 |
bool status(const Arc& a) const { return Parent::status(a); } |
1672 | 1685 |
|
1673 | 1686 |
/// \brief Disables the given arc |
1674 | 1687 |
/// |
1675 | 1688 |
/// This function disables the given arc in the subdigraph, |
1676 | 1689 |
/// so the iteration jumps over it. |
1677 | 1690 |
/// It is the same as \ref status() "status(a, false)". |
1678 | 1691 |
void disable(const Arc& a) const { Parent::status(a, false); } |
1679 | 1692 |
|
1680 | 1693 |
/// \brief Enables the given arc |
1681 | 1694 |
/// |
1682 | 1695 |
/// This function enables the given arc in the subdigraph. |
1683 | 1696 |
/// It is the same as \ref status() "status(a, true)". |
1684 | 1697 |
void enable(const Arc& a) const { Parent::status(a, true); } |
1685 | 1698 |
|
1686 | 1699 |
}; |
1687 | 1700 |
|
1688 | 1701 |
/// \brief Returns a read-only FilterArcs adaptor |
1689 | 1702 |
/// |
1690 | 1703 |
/// This function just returns a read-only \ref FilterArcs adaptor. |
1691 | 1704 |
/// \ingroup graph_adaptors |
1692 | 1705 |
/// \relates FilterArcs |
1693 | 1706 |
template<typename DGR, typename AF> |
1694 | 1707 |
FilterArcs<const DGR, AF> |
1695 | 1708 |
filterArcs(const DGR& digraph, AF& arc_filter) { |
1696 | 1709 |
return FilterArcs<const DGR, AF>(digraph, arc_filter); |
1697 | 1710 |
} |
1698 | 1711 |
|
1699 | 1712 |
template<typename DGR, typename AF> |
1700 | 1713 |
FilterArcs<const DGR, const AF> |
1701 | 1714 |
filterArcs(const DGR& digraph, const AF& arc_filter) { |
1702 | 1715 |
return FilterArcs<const DGR, const AF>(digraph, arc_filter); |
1703 | 1716 |
} |
1704 | 1717 |
|
1705 | 1718 |
/// \ingroup graph_adaptors |
1706 | 1719 |
/// |
1707 | 1720 |
/// \brief Adaptor class for hiding edges in a graph. |
1708 | 1721 |
/// |
1709 | 1722 |
/// FilterEdges adaptor can be used for hiding edges in a graph. |
1710 | 1723 |
/// A \c bool edge map must be specified, which defines the filter for |
1711 | 1724 |
/// the edges. Only the edges with \c true filter value are shown in the |
1712 | 1725 |
/// subgraph. This adaptor conforms to the \ref concepts::Graph |
1713 | 1726 |
/// "Graph" concept. |
1714 | 1727 |
/// |
1715 | 1728 |
/// The adapted graph can also be modified through this adaptor |
1716 | 1729 |
/// by adding or removing nodes or edges, unless the \c GR template |
1717 | 1730 |
/// parameter is set to be \c const. |
1718 | 1731 |
/// |
1719 | 1732 |
/// \tparam GR The type of the adapted graph. |
1720 | 1733 |
/// It must conform to the \ref concepts::Graph "Graph" concept. |
1721 | 1734 |
/// It can also be specified to be \c const. |
1722 | 1735 |
/// \tparam EF The type of the edge filter map. |
1723 | 1736 |
/// It must be a \c bool (or convertible) edge map of the |
1724 | 1737 |
/// adapted graph. The default type is |
1725 | 1738 |
/// \ref concepts::Graph::EdgeMap "GR::EdgeMap<bool>". |
1726 | 1739 |
/// |
1727 | 1740 |
/// \note The \c Node, \c Edge and \c Arc types of this adaptor and the |
1728 | 1741 |
/// adapted graph are convertible to each other. |
1729 | 1742 |
#ifdef DOXYGEN |
1730 | 1743 |
template<typename GR, |
1731 | 1744 |
typename EF> |
1732 | 1745 |
class FilterEdges { |
1733 | 1746 |
#else |
1734 | 1747 |
template<typename GR, |
1735 | 1748 |
typename EF = typename GR::template EdgeMap<bool> > |
1736 | 1749 |
class FilterEdges : |
1737 | 1750 |
public GraphAdaptorExtender< |
1738 | 1751 |
SubGraphBase<GR, ConstMap<typename GR::Node, Const<bool, true> >, |
1739 | 1752 |
EF, false> > { |
1740 | 1753 |
#endif |
1754 |
typedef GraphAdaptorExtender< |
|
1755 |
SubGraphBase<GR, ConstMap<typename GR::Node, Const<bool, true > >, |
|
1756 |
EF, false> > Parent; |
|
1757 |
|
|
1741 | 1758 |
public: |
1759 |
|
|
1742 | 1760 |
/// The type of the adapted graph. |
1743 | 1761 |
typedef GR Graph; |
1744 | 1762 |
/// The type of the edge filter map. |
1745 | 1763 |
typedef EF EdgeFilterMap; |
1746 | 1764 |
|
1747 |
typedef GraphAdaptorExtender< |
|
1748 |
SubGraphBase<GR, ConstMap<typename GR::Node, Const<bool, true > >, |
|
1749 |
EF, false> > Parent; |
|
1750 |
|
|
1751 | 1765 |
typedef typename Parent::Edge Edge; |
1752 | 1766 |
|
1753 | 1767 |
protected: |
1754 | 1768 |
ConstMap<typename GR::Node, Const<bool, true> > const_true_map; |
1755 | 1769 |
|
1756 | 1770 |
FilterEdges() : const_true_map(true) { |
1757 | 1771 |
Parent::setNodeFilterMap(const_true_map); |
1758 | 1772 |
} |
1759 | 1773 |
|
1760 | 1774 |
public: |
1761 | 1775 |
|
1762 | 1776 |
/// \brief Constructor |
1763 | 1777 |
/// |
1764 | 1778 |
/// Creates a subgraph for the given graph with the given edge |
1765 | 1779 |
/// filter map. |
1766 | 1780 |
FilterEdges(GR& graph, EF& edge_filter) |
1767 | 1781 |
: Parent(), const_true_map() { |
1768 | 1782 |
Parent::initialize(graph, const_true_map, edge_filter); |
1769 | 1783 |
} |
1770 | 1784 |
|
1771 | 1785 |
/// \brief Sets the status of the given edge |
1772 | 1786 |
/// |
1773 | 1787 |
/// This function sets the status of the given edge. |
1774 | 1788 |
/// It is done by simply setting the assigned value of \c e |
1775 | 1789 |
/// to \c v in the edge filter map. |
1776 | 1790 |
void status(const Edge& e, bool v) const { Parent::status(e, v); } |
1777 | 1791 |
|
1778 | 1792 |
/// \brief Returns the status of the given edge |
1779 | 1793 |
/// |
1780 | 1794 |
/// This function returns the status of the given edge. |
1781 | 1795 |
/// It is \c true if the given edge is enabled (i.e. not hidden). |
1782 | 1796 |
bool status(const Edge& e) const { return Parent::status(e); } |
1783 | 1797 |
|
1784 | 1798 |
/// \brief Disables the given edge |
1785 | 1799 |
/// |
1786 | 1800 |
/// This function disables the given edge in the subgraph, |
1787 | 1801 |
/// so the iteration jumps over it. |
1788 | 1802 |
/// It is the same as \ref status() "status(e, false)". |
1789 | 1803 |
void disable(const Edge& e) const { Parent::status(e, false); } |
1790 | 1804 |
|
1791 | 1805 |
/// \brief Enables the given edge |
1792 | 1806 |
/// |
1793 | 1807 |
/// This function enables the given edge in the subgraph. |
1794 | 1808 |
/// It is the same as \ref status() "status(e, true)". |
1795 | 1809 |
void enable(const Edge& e) const { Parent::status(e, true); } |
1796 | 1810 |
|
1797 | 1811 |
}; |
1798 | 1812 |
|
1799 | 1813 |
/// \brief Returns a read-only FilterEdges adaptor |
1800 | 1814 |
/// |
1801 | 1815 |
/// This function just returns a read-only \ref FilterEdges adaptor. |
1802 | 1816 |
/// \ingroup graph_adaptors |
1803 | 1817 |
/// \relates FilterEdges |
1804 | 1818 |
template<typename GR, typename EF> |
1805 | 1819 |
FilterEdges<const GR, EF> |
1806 | 1820 |
filterEdges(const GR& graph, EF& edge_filter) { |
1807 | 1821 |
return FilterEdges<const GR, EF>(graph, edge_filter); |
1808 | 1822 |
} |
1809 | 1823 |
|
1810 | 1824 |
template<typename GR, typename EF> |
1811 | 1825 |
FilterEdges<const GR, const EF> |
1812 | 1826 |
filterEdges(const GR& graph, const EF& edge_filter) { |
1813 | 1827 |
return FilterEdges<const GR, const EF>(graph, edge_filter); |
1814 | 1828 |
} |
... | ... |
@@ -2050,259 +2064,259 @@ |
2050 | 2064 |
} |
2051 | 2065 |
return INVALID; |
2052 | 2066 |
} |
2053 | 2067 |
|
2054 | 2068 |
private: |
2055 | 2069 |
|
2056 | 2070 |
template <typename V> |
2057 | 2071 |
class ArcMapBase { |
2058 | 2072 |
private: |
2059 | 2073 |
|
2060 | 2074 |
typedef typename DGR::template ArcMap<V> MapImpl; |
2061 | 2075 |
|
2062 | 2076 |
public: |
2063 | 2077 |
|
2064 | 2078 |
typedef typename MapTraits<MapImpl>::ReferenceMapTag ReferenceMapTag; |
2065 | 2079 |
|
2066 | 2080 |
typedef V Value; |
2067 | 2081 |
typedef Arc Key; |
2068 | 2082 |
typedef typename MapTraits<MapImpl>::ConstReturnValue ConstReturnValue; |
2069 | 2083 |
typedef typename MapTraits<MapImpl>::ReturnValue ReturnValue; |
2070 | 2084 |
typedef typename MapTraits<MapImpl>::ConstReturnValue ConstReference; |
2071 | 2085 |
typedef typename MapTraits<MapImpl>::ReturnValue Reference; |
2072 | 2086 |
|
2073 | 2087 |
ArcMapBase(const UndirectorBase<DGR>& adaptor) : |
2074 | 2088 |
_forward(*adaptor._digraph), _backward(*adaptor._digraph) {} |
2075 | 2089 |
|
2076 | 2090 |
ArcMapBase(const UndirectorBase<DGR>& adaptor, const V& value) |
2077 | 2091 |
: _forward(*adaptor._digraph, value), |
2078 | 2092 |
_backward(*adaptor._digraph, value) {} |
2079 | 2093 |
|
2080 | 2094 |
void set(const Arc& a, const V& value) { |
2081 | 2095 |
if (direction(a)) { |
2082 | 2096 |
_forward.set(a, value); |
2083 | 2097 |
} else { |
2084 | 2098 |
_backward.set(a, value); |
2085 | 2099 |
} |
2086 | 2100 |
} |
2087 | 2101 |
|
2088 | 2102 |
ConstReturnValue operator[](const Arc& a) const { |
2089 | 2103 |
if (direction(a)) { |
2090 | 2104 |
return _forward[a]; |
2091 | 2105 |
} else { |
2092 | 2106 |
return _backward[a]; |
2093 | 2107 |
} |
2094 | 2108 |
} |
2095 | 2109 |
|
2096 | 2110 |
ReturnValue operator[](const Arc& a) { |
2097 | 2111 |
if (direction(a)) { |
2098 | 2112 |
return _forward[a]; |
2099 | 2113 |
} else { |
2100 | 2114 |
return _backward[a]; |
2101 | 2115 |
} |
2102 | 2116 |
} |
2103 | 2117 |
|
2104 | 2118 |
protected: |
2105 | 2119 |
|
2106 | 2120 |
MapImpl _forward, _backward; |
2107 | 2121 |
|
2108 | 2122 |
}; |
2109 | 2123 |
|
2110 | 2124 |
public: |
2111 | 2125 |
|
2112 | 2126 |
template <typename V> |
2113 | 2127 |
class NodeMap : public DGR::template NodeMap<V> { |
2128 |
typedef typename DGR::template NodeMap<V> Parent; |
|
2129 |
|
|
2114 | 2130 |
public: |
2115 |
|
|
2116 | 2131 |
typedef V Value; |
2117 |
typedef typename DGR::template NodeMap<Value> Parent; |
|
2118 | 2132 |
|
2119 | 2133 |
explicit NodeMap(const UndirectorBase<DGR>& adaptor) |
2120 | 2134 |
: Parent(*adaptor._digraph) {} |
2121 | 2135 |
|
2122 | 2136 |
NodeMap(const UndirectorBase<DGR>& adaptor, const V& value) |
2123 | 2137 |
: Parent(*adaptor._digraph, value) { } |
2124 | 2138 |
|
2125 | 2139 |
private: |
2126 | 2140 |
NodeMap& operator=(const NodeMap& cmap) { |
2127 | 2141 |
return operator=<NodeMap>(cmap); |
2128 | 2142 |
} |
2129 | 2143 |
|
2130 | 2144 |
template <typename CMap> |
2131 | 2145 |
NodeMap& operator=(const CMap& cmap) { |
2132 | 2146 |
Parent::operator=(cmap); |
2133 | 2147 |
return *this; |
2134 | 2148 |
} |
2135 | 2149 |
|
2136 | 2150 |
}; |
2137 | 2151 |
|
2138 | 2152 |
template <typename V> |
2139 | 2153 |
class ArcMap |
2140 |
: public SubMapExtender<UndirectorBase<DGR>, ArcMapBase<V> > |
|
2141 |
{ |
|
2154 |
: public SubMapExtender<UndirectorBase<DGR>, ArcMapBase<V> > { |
|
2155 |
typedef SubMapExtender<UndirectorBase<DGR>, ArcMapBase<V> > Parent; |
|
2156 |
|
|
2142 | 2157 |
public: |
2143 | 2158 |
typedef V Value; |
2144 |
typedef SubMapExtender<Adaptor, ArcMapBase<V> > Parent; |
|
2145 | 2159 |
|
2146 | 2160 |
explicit ArcMap(const UndirectorBase<DGR>& adaptor) |
2147 | 2161 |
: Parent(adaptor) {} |
2148 | 2162 |
|
2149 | 2163 |
ArcMap(const UndirectorBase<DGR>& adaptor, const V& value) |
2150 | 2164 |
: Parent(adaptor, value) {} |
2151 | 2165 |
|
2152 | 2166 |
private: |
2153 | 2167 |
ArcMap& operator=(const ArcMap& cmap) { |
2154 | 2168 |
return operator=<ArcMap>(cmap); |
2155 | 2169 |
} |
2156 | 2170 |
|
2157 | 2171 |
template <typename CMap> |
2158 | 2172 |
ArcMap& operator=(const CMap& cmap) { |
2159 | 2173 |
Parent::operator=(cmap); |
2160 | 2174 |
return *this; |
2161 | 2175 |
} |
2162 | 2176 |
}; |
2163 | 2177 |
|
2164 | 2178 |
template <typename V> |
2165 | 2179 |
class EdgeMap : public Digraph::template ArcMap<V> { |
2180 |
typedef typename Digraph::template ArcMap<V> Parent; |
|
2181 |
|
|
2166 | 2182 |
public: |
2167 |
|
|
2168 | 2183 |
typedef V Value; |
2169 |
typedef typename Digraph::template ArcMap<V> Parent; |
|
2170 | 2184 |
|
2171 | 2185 |
explicit EdgeMap(const UndirectorBase<DGR>& adaptor) |
2172 | 2186 |
: Parent(*adaptor._digraph) {} |
2173 | 2187 |
|
2174 | 2188 |
EdgeMap(const UndirectorBase<DGR>& adaptor, const V& value) |
2175 | 2189 |
: Parent(*adaptor._digraph, value) {} |
2176 | 2190 |
|
2177 | 2191 |
private: |
2178 | 2192 |
EdgeMap& operator=(const EdgeMap& cmap) { |
2179 | 2193 |
return operator=<EdgeMap>(cmap); |
2180 | 2194 |
} |
2181 | 2195 |
|
2182 | 2196 |
template <typename CMap> |
2183 | 2197 |
EdgeMap& operator=(const CMap& cmap) { |
2184 | 2198 |
Parent::operator=(cmap); |
2185 | 2199 |
return *this; |
2186 | 2200 |
} |
2187 | 2201 |
|
2188 | 2202 |
}; |
2189 | 2203 |
|
2190 | 2204 |
typedef typename ItemSetTraits<DGR, Node>::ItemNotifier NodeNotifier; |
2191 | 2205 |
NodeNotifier& notifier(Node) const { return _digraph->notifier(Node()); } |
2192 | 2206 |
|
2193 | 2207 |
typedef typename ItemSetTraits<DGR, Edge>::ItemNotifier EdgeNotifier; |
2194 | 2208 |
EdgeNotifier& notifier(Edge) const { return _digraph->notifier(Edge()); } |
2195 | 2209 |
|
2196 | 2210 |
typedef EdgeNotifier ArcNotifier; |
2197 | 2211 |
ArcNotifier& notifier(Arc) const { return _digraph->notifier(Edge()); } |
2198 | 2212 |
|
2199 | 2213 |
protected: |
2200 | 2214 |
|
2201 | 2215 |
UndirectorBase() : _digraph(0) {} |
2202 | 2216 |
|
2203 | 2217 |
DGR* _digraph; |
2204 | 2218 |
|
2205 | 2219 |
void initialize(DGR& digraph) { |
2206 | 2220 |
_digraph = &digraph; |
2207 | 2221 |
} |
2208 | 2222 |
|
2209 | 2223 |
}; |
2210 | 2224 |
|
2211 | 2225 |
/// \ingroup graph_adaptors |
2212 | 2226 |
/// |
2213 | 2227 |
/// \brief Adaptor class for viewing a digraph as an undirected graph. |
2214 | 2228 |
/// |
2215 | 2229 |
/// Undirector adaptor can be used for viewing a digraph as an undirected |
2216 | 2230 |
/// graph. All arcs of the underlying digraph are showed in the |
2217 | 2231 |
/// adaptor as an edge (and also as a pair of arcs, of course). |
2218 | 2232 |
/// This adaptor conforms to the \ref concepts::Graph "Graph" concept. |
2219 | 2233 |
/// |
2220 | 2234 |
/// The adapted digraph can also be modified through this adaptor |
2221 | 2235 |
/// by adding or removing nodes or edges, unless the \c GR template |
2222 | 2236 |
/// parameter is set to be \c const. |
2223 | 2237 |
/// |
2224 | 2238 |
/// \tparam DGR The type of the adapted digraph. |
2225 | 2239 |
/// It must conform to the \ref concepts::Digraph "Digraph" concept. |
2226 | 2240 |
/// It can also be specified to be \c const. |
2227 | 2241 |
/// |
2228 | 2242 |
/// \note The \c Node type of this adaptor and the adapted digraph are |
2229 | 2243 |
/// convertible to each other, moreover the \c Edge type of the adaptor |
2230 | 2244 |
/// and the \c Arc type of the adapted digraph are also convertible to |
2231 | 2245 |
/// each other. |
2232 | 2246 |
/// (Thus the \c Arc type of the adaptor is convertible to the \c Arc type |
2233 | 2247 |
/// of the adapted digraph.) |
2234 | 2248 |
template<typename DGR> |
2235 | 2249 |
#ifdef DOXYGEN |
2236 | 2250 |
class Undirector { |
2237 | 2251 |
#else |
2238 | 2252 |
class Undirector : |
2239 | 2253 |
public GraphAdaptorExtender<UndirectorBase<DGR> > { |
2240 | 2254 |
#endif |
2255 |
typedef GraphAdaptorExtender<UndirectorBase<DGR> > Parent; |
|
2241 | 2256 |
public: |
2242 | 2257 |
/// The type of the adapted digraph. |
2243 | 2258 |
typedef DGR Digraph; |
2244 |
typedef GraphAdaptorExtender<UndirectorBase<DGR> > Parent; |
|
2245 | 2259 |
protected: |
2246 | 2260 |
Undirector() { } |
2247 | 2261 |
public: |
2248 | 2262 |
|
2249 | 2263 |
/// \brief Constructor |
2250 | 2264 |
/// |
2251 | 2265 |
/// Creates an undirected graph from the given digraph. |
2252 | 2266 |
Undirector(DGR& digraph) { |
2253 | 2267 |
initialize(digraph); |
2254 | 2268 |
} |
2255 | 2269 |
|
2256 | 2270 |
/// \brief Arc map combined from two original arc maps |
2257 | 2271 |
/// |
2258 | 2272 |
/// This map adaptor class adapts two arc maps of the underlying |
2259 | 2273 |
/// digraph to get an arc map of the undirected graph. |
2260 | 2274 |
/// Its value type is inherited from the first arc map type (\c FW). |
2261 | 2275 |
/// \tparam FW The type of the "foward" arc map. |
2262 | 2276 |
/// \tparam BK The type of the "backward" arc map. |
2263 | 2277 |
template <typename FW, typename BK> |
2264 | 2278 |
class CombinedArcMap { |
2265 | 2279 |
public: |
2266 | 2280 |
|
2267 | 2281 |
/// The key type of the map |
2268 | 2282 |
typedef typename Parent::Arc Key; |
2269 | 2283 |
/// The value type of the map |
2270 | 2284 |
typedef typename FW::Value Value; |
2271 | 2285 |
|
2272 | 2286 |
typedef typename MapTraits<FW>::ReferenceMapTag ReferenceMapTag; |
2273 | 2287 |
|
2274 | 2288 |
typedef typename MapTraits<FW>::ReturnValue ReturnValue; |
2275 | 2289 |
typedef typename MapTraits<FW>::ConstReturnValue ConstReturnValue; |
2276 | 2290 |
typedef typename MapTraits<FW>::ReturnValue Reference; |
2277 | 2291 |
typedef typename MapTraits<FW>::ConstReturnValue ConstReference; |
2278 | 2292 |
|
2279 | 2293 |
/// Constructor |
2280 | 2294 |
CombinedArcMap(FW& forward, BK& backward) |
2281 | 2295 |
: _forward(&forward), _backward(&backward) {} |
2282 | 2296 |
|
2283 | 2297 |
/// Sets the value associated with the given key. |
2284 | 2298 |
void set(const Key& e, const Value& a) { |
2285 | 2299 |
if (Parent::direction(e)) { |
2286 | 2300 |
_forward->set(e, a); |
2287 | 2301 |
} else { |
2288 | 2302 |
_backward->set(e, a); |
2289 | 2303 |
} |
2290 | 2304 |
} |
2291 | 2305 |
|
2292 | 2306 |
/// Returns the value associated with the given key. |
2293 | 2307 |
ConstReturnValue operator[](const Key& e) const { |
2294 | 2308 |
if (Parent::direction(e)) { |
2295 | 2309 |
return (*_forward)[e]; |
2296 | 2310 |
} else { |
2297 | 2311 |
return (*_backward)[e]; |
2298 | 2312 |
} |
2299 | 2313 |
} |
2300 | 2314 |
|
2301 | 2315 |
/// Returns a reference to the value associated with the given key. |
2302 | 2316 |
ReturnValue operator[](const Key& e) { |
2303 | 2317 |
if (Parent::direction(e)) { |
2304 | 2318 |
return (*_forward)[e]; |
2305 | 2319 |
} else { |
2306 | 2320 |
return (*_backward)[e]; |
2307 | 2321 |
} |
2308 | 2322 |
} |
... | ... |
@@ -2388,236 +2402,238 @@ |
2388 | 2402 |
_graph->nextInc(i, d); |
2389 | 2403 |
while (i != INVALID && d == (*_direction)[i]) _graph->nextInc(i, d); |
2390 | 2404 |
} |
2391 | 2405 |
void nextOut(Arc& i) const { |
2392 | 2406 |
bool d = (*_direction)[i]; |
2393 | 2407 |
_graph->nextInc(i, d); |
2394 | 2408 |
while (i != INVALID && d != (*_direction)[i]) _graph->nextInc(i, d); |
2395 | 2409 |
} |
2396 | 2410 |
|
2397 | 2411 |
Node source(const Arc& e) const { |
2398 | 2412 |
return (*_direction)[e] ? _graph->u(e) : _graph->v(e); |
2399 | 2413 |
} |
2400 | 2414 |
Node target(const Arc& e) const { |
2401 | 2415 |
return (*_direction)[e] ? _graph->v(e) : _graph->u(e); |
2402 | 2416 |
} |
2403 | 2417 |
|
2404 | 2418 |
typedef NodeNumTagIndicator<Graph> NodeNumTag; |
2405 | 2419 |
int nodeNum() const { return _graph->nodeNum(); } |
2406 | 2420 |
|
2407 | 2421 |
typedef EdgeNumTagIndicator<Graph> ArcNumTag; |
2408 | 2422 |
int arcNum() const { return _graph->edgeNum(); } |
2409 | 2423 |
|
2410 | 2424 |
typedef FindEdgeTagIndicator<Graph> FindArcTag; |
2411 | 2425 |
Arc findArc(const Node& u, const Node& v, |
2412 | 2426 |
const Arc& prev = INVALID) const { |
2413 | 2427 |
Arc arc = _graph->findEdge(u, v, prev); |
2414 | 2428 |
while (arc != INVALID && source(arc) != u) { |
2415 | 2429 |
arc = _graph->findEdge(u, v, arc); |
2416 | 2430 |
} |
2417 | 2431 |
return arc; |
2418 | 2432 |
} |
2419 | 2433 |
|
2420 | 2434 |
Node addNode() { |
2421 | 2435 |
return Node(_graph->addNode()); |
2422 | 2436 |
} |
2423 | 2437 |
|
2424 | 2438 |
Arc addArc(const Node& u, const Node& v) { |
2425 | 2439 |
Arc arc = _graph->addEdge(u, v); |
2426 | 2440 |
_direction->set(arc, _graph->u(arc) == u); |
2427 | 2441 |
return arc; |
2428 | 2442 |
} |
2429 | 2443 |
|
2430 | 2444 |
void erase(const Node& i) { _graph->erase(i); } |
2431 | 2445 |
void erase(const Arc& i) { _graph->erase(i); } |
2432 | 2446 |
|
2433 | 2447 |
void clear() { _graph->clear(); } |
2434 | 2448 |
|
2435 | 2449 |
int id(const Node& v) const { return _graph->id(v); } |
2436 | 2450 |
int id(const Arc& e) const { return _graph->id(e); } |
2437 | 2451 |
|
2438 | 2452 |
Node nodeFromId(int idx) const { return _graph->nodeFromId(idx); } |
2439 | 2453 |
Arc arcFromId(int idx) const { return _graph->edgeFromId(idx); } |
2440 | 2454 |
|
2441 | 2455 |
int maxNodeId() const { return _graph->maxNodeId(); } |
2442 | 2456 |
int maxArcId() const { return _graph->maxEdgeId(); } |
2443 | 2457 |
|
2444 | 2458 |
typedef typename ItemSetTraits<GR, Node>::ItemNotifier NodeNotifier; |
2445 | 2459 |
NodeNotifier& notifier(Node) const { return _graph->notifier(Node()); } |
2446 | 2460 |
|
2447 | 2461 |
typedef typename ItemSetTraits<GR, Arc>::ItemNotifier ArcNotifier; |
2448 | 2462 |
ArcNotifier& notifier(Arc) const { return _graph->notifier(Arc()); } |
2449 | 2463 |
|
2450 | 2464 |
template <typename V> |
2451 | 2465 |
class NodeMap : public GR::template NodeMap<V> { |
2466 |
typedef typename GR::template NodeMap<V> Parent; |
|
2467 |
|
|
2452 | 2468 |
public: |
2453 | 2469 |
|
2454 |
typedef typename GR::template NodeMap<V> Parent; |
|
2455 |
|
|
2456 | 2470 |
explicit NodeMap(const OrienterBase<GR, DM>& adapter) |
2457 | 2471 |
: Parent(*adapter._graph) {} |
2458 | 2472 |
|
2459 | 2473 |
NodeMap(const OrienterBase<GR, DM>& adapter, const V& value) |
2460 | 2474 |
: Parent(*adapter._graph, value) {} |
2461 | 2475 |
|
2462 | 2476 |
private: |
2463 | 2477 |
NodeMap& operator=(const NodeMap& cmap) { |
2464 | 2478 |
return operator=<NodeMap>(cmap); |
2465 | 2479 |
} |
2466 | 2480 |
|
2467 | 2481 |
template <typename CMap> |
2468 | 2482 |
NodeMap& operator=(const CMap& cmap) { |
2469 | 2483 |
Parent::operator=(cmap); |
2470 | 2484 |
return *this; |
2471 | 2485 |
} |
2472 | 2486 |
|
2473 | 2487 |
}; |
2474 | 2488 |
|
2475 | 2489 |
template <typename V> |
2476 | 2490 |
class ArcMap : public GR::template EdgeMap<V> { |
2491 |
typedef typename Graph::template EdgeMap<V> Parent; |
|
2492 |
|
|
2477 | 2493 |
public: |
2478 | 2494 |
|
2479 |
typedef typename Graph::template EdgeMap<V> Parent; |
|
2480 |
|
|
2481 | 2495 |
explicit ArcMap(const OrienterBase<GR, DM>& adapter) |
2482 | 2496 |
: Parent(*adapter._graph) { } |
2483 | 2497 |
|
2484 | 2498 |
ArcMap(const OrienterBase<GR, DM>& adapter, const V& value) |
2485 | 2499 |
: Parent(*adapter._graph, value) { } |
2486 | 2500 |
|
2487 | 2501 |
private: |
2488 | 2502 |
ArcMap& operator=(const ArcMap& cmap) { |
2489 | 2503 |
return operator=<ArcMap>(cmap); |
2490 | 2504 |
} |
2491 | 2505 |
|
2492 | 2506 |
template <typename CMap> |
2493 | 2507 |
ArcMap& operator=(const CMap& cmap) { |
2494 | 2508 |
Parent::operator=(cmap); |
2495 | 2509 |
return *this; |
2496 | 2510 |
} |
2497 | 2511 |
}; |
2498 | 2512 |
|
2499 | 2513 |
|
2500 | 2514 |
|
2501 | 2515 |
protected: |
2502 | 2516 |
Graph* _graph; |
2503 | 2517 |
DM* _direction; |
2504 | 2518 |
|
2505 | 2519 |
void initialize(GR& graph, DM& direction) { |
2506 | 2520 |
_graph = &graph; |
2507 | 2521 |
_direction = &direction; |
2508 | 2522 |
} |
2509 | 2523 |
|
2510 | 2524 |
}; |
2511 | 2525 |
|
2512 | 2526 |
/// \ingroup graph_adaptors |
2513 | 2527 |
/// |
2514 | 2528 |
/// \brief Adaptor class for orienting the edges of a graph to get a digraph |
2515 | 2529 |
/// |
2516 | 2530 |
/// Orienter adaptor can be used for orienting the edges of a graph to |
2517 | 2531 |
/// get a digraph. A \c bool edge map of the underlying graph must be |
2518 | 2532 |
/// specified, which define the direction of the arcs in the adaptor. |
2519 | 2533 |
/// The arcs can be easily reversed by the \c reverseArc() member function |
2520 | 2534 |
/// of the adaptor. |
2521 | 2535 |
/// This class conforms to the \ref concepts::Digraph "Digraph" concept. |
2522 | 2536 |
/// |
2523 | 2537 |
/// The adapted graph can also be modified through this adaptor |
2524 | 2538 |
/// by adding or removing nodes or arcs, unless the \c GR template |
2525 | 2539 |
/// parameter is set to be \c const. |
2526 | 2540 |
/// |
2527 | 2541 |
/// \tparam GR The type of the adapted graph. |
2528 | 2542 |
/// It must conform to the \ref concepts::Graph "Graph" concept. |
2529 | 2543 |
/// It can also be specified to be \c const. |
2530 | 2544 |
/// \tparam DM The type of the direction map. |
2531 | 2545 |
/// It must be a \c bool (or convertible) edge map of the |
2532 | 2546 |
/// adapted graph. The default type is |
2533 | 2547 |
/// \ref concepts::Graph::EdgeMap "GR::EdgeMap<bool>". |
2534 | 2548 |
/// |
2535 | 2549 |
/// \note The \c Node type of this adaptor and the adapted graph are |
2536 | 2550 |
/// convertible to each other, moreover the \c Arc type of the adaptor |
2537 | 2551 |
/// and the \c Edge type of the adapted graph are also convertible to |
2538 | 2552 |
/// each other. |
2539 | 2553 |
#ifdef DOXYGEN |
2540 | 2554 |
template<typename GR, |
2541 | 2555 |
typename DM> |
2542 | 2556 |
class Orienter { |
2543 | 2557 |
#else |
2544 | 2558 |
template<typename GR, |
2545 | 2559 |
typename DM = typename GR::template EdgeMap<bool> > |
2546 | 2560 |
class Orienter : |
2547 | 2561 |
public DigraphAdaptorExtender<OrienterBase<GR, DM> > { |
2548 | 2562 |
#endif |
2563 |
typedef DigraphAdaptorExtender<OrienterBase<GR, DM> > Parent; |
|
2549 | 2564 |
public: |
2550 | 2565 |
|
2551 | 2566 |
/// The type of the adapted graph. |
2552 | 2567 |
typedef GR Graph; |
2553 | 2568 |
/// The type of the direction edge map. |
2554 | 2569 |
typedef DM DirectionMap; |
2555 | 2570 |
|
2556 |
typedef DigraphAdaptorExtender<OrienterBase<GR, DM> > Parent; |
|
2557 | 2571 |
typedef typename Parent::Arc Arc; |
2572 |
|
|
2558 | 2573 |
protected: |
2559 | 2574 |
Orienter() { } |
2575 |
|
|
2560 | 2576 |
public: |
2561 | 2577 |
|
2562 | 2578 |
/// \brief Constructor |
2563 | 2579 |
/// |
2564 | 2580 |
/// Constructor of the adaptor. |
2565 | 2581 |
Orienter(GR& graph, DM& direction) { |
2566 | 2582 |
Parent::initialize(graph, direction); |
2567 | 2583 |
} |
2568 | 2584 |
|
2569 | 2585 |
/// \brief Reverses the given arc |
2570 | 2586 |
/// |
2571 | 2587 |
/// This function reverses the given arc. |
2572 | 2588 |
/// It is done by simply negate the assigned value of \c a |
2573 | 2589 |
/// in the direction map. |
2574 | 2590 |
void reverseArc(const Arc& a) { |
2575 | 2591 |
Parent::reverseArc(a); |
2576 | 2592 |
} |
2577 | 2593 |
}; |
2578 | 2594 |
|
2579 | 2595 |
/// \brief Returns a read-only Orienter adaptor |
2580 | 2596 |
/// |
2581 | 2597 |
/// This function just returns a read-only \ref Orienter adaptor. |
2582 | 2598 |
/// \ingroup graph_adaptors |
2583 | 2599 |
/// \relates Orienter |
2584 | 2600 |
template<typename GR, typename DM> |
2585 | 2601 |
Orienter<const GR, DM> |
2586 | 2602 |
orienter(const GR& graph, DM& direction) { |
2587 | 2603 |
return Orienter<const GR, DM>(graph, direction); |
2588 | 2604 |
} |
2589 | 2605 |
|
2590 | 2606 |
template<typename GR, typename DM> |
2591 | 2607 |
Orienter<const GR, const DM> |
2592 | 2608 |
orienter(const GR& graph, const DM& direction) { |
2593 | 2609 |
return Orienter<const GR, const DM>(graph, direction); |
2594 | 2610 |
} |
2595 | 2611 |
|
2596 | 2612 |
namespace _adaptor_bits { |
2597 | 2613 |
|
2598 | 2614 |
template <typename DGR, typename CM, typename FM, typename TL> |
2599 | 2615 |
class ResForwardFilter { |
2600 | 2616 |
public: |
2601 | 2617 |
|
2602 | 2618 |
typedef typename DGR::Arc Key; |
2603 | 2619 |
typedef bool Value; |
2604 | 2620 |
|
2605 | 2621 |
private: |
2606 | 2622 |
|
2607 | 2623 |
const CM* _capacity; |
2608 | 2624 |
const FM* _flow; |
2609 | 2625 |
TL _tolerance; |
2610 | 2626 |
|
2611 | 2627 |
public: |
2612 | 2628 |
|
2613 | 2629 |
ResForwardFilter(const CM& capacity, const FM& flow, |
2614 | 2630 |
const TL& tolerance = TL()) |
2615 | 2631 |
: _capacity(&capacity), _flow(&flow), _tolerance(tolerance) { } |
2616 | 2632 |
|
2617 | 2633 |
bool operator[](const typename DGR::Arc& a) const { |
2618 | 2634 |
return _tolerance.positive((*_capacity)[a] - (*_flow)[a]); |
2619 | 2635 |
} |
2620 | 2636 |
}; |
2621 | 2637 |
|
2622 | 2638 |
template<typename DGR,typename CM, typename FM, typename TL> |
2623 | 2639 |
class ResBackwardFilter { |
... | ... |
@@ -2805,132 +2821,133 @@ |
2805 | 2821 |
/// \brief Returns the forward oriented residual arc. |
2806 | 2822 |
/// |
2807 | 2823 |
/// Returns the forward oriented residual arc related to the given |
2808 | 2824 |
/// arc of the underlying digraph. |
2809 | 2825 |
static Arc forward(const typename Digraph::Arc& a) { |
2810 | 2826 |
return Undirected::direct(a, true); |
2811 | 2827 |
} |
2812 | 2828 |
|
2813 | 2829 |
/// \brief Returns the backward oriented residual arc. |
2814 | 2830 |
/// |
2815 | 2831 |
/// Returns the backward oriented residual arc related to the given |
2816 | 2832 |
/// arc of the underlying digraph. |
2817 | 2833 |
static Arc backward(const typename Digraph::Arc& a) { |
2818 | 2834 |
return Undirected::direct(a, false); |
2819 | 2835 |
} |
2820 | 2836 |
|
2821 | 2837 |
/// \brief Residual capacity map. |
2822 | 2838 |
/// |
2823 | 2839 |
/// This map adaptor class can be used for obtaining the residual |
2824 | 2840 |
/// capacities as an arc map of the residual digraph. |
2825 | 2841 |
/// Its value type is inherited from the capacity map. |
2826 | 2842 |
class ResidualCapacity { |
2827 | 2843 |
protected: |
2828 | 2844 |
const Adaptor* _adaptor; |
2829 | 2845 |
public: |
2830 | 2846 |
/// The key type of the map |
2831 | 2847 |
typedef Arc Key; |
2832 | 2848 |
/// The value type of the map |
2833 | 2849 |
typedef typename CapacityMap::Value Value; |
2834 | 2850 |
|
2835 | 2851 |
/// Constructor |
2836 | 2852 |
ResidualCapacity(const ResidualDigraph<DGR, CM, FM, TL>& adaptor) |
2837 | 2853 |
: _adaptor(&adaptor) {} |
2838 | 2854 |
|
2839 | 2855 |
/// Returns the value associated with the given residual arc |
2840 | 2856 |
Value operator[](const Arc& a) const { |
2841 | 2857 |
return _adaptor->residualCapacity(a); |
2842 | 2858 |
} |
2843 | 2859 |
|
2844 | 2860 |
}; |
2845 | 2861 |
|
2846 | 2862 |
/// \brief Returns a residual capacity map |
2847 | 2863 |
/// |
2848 | 2864 |
/// This function just returns a residual capacity map. |
2849 | 2865 |
ResidualCapacity residualCapacity() const { |
2850 | 2866 |
return ResidualCapacity(*this); |
2851 | 2867 |
} |
2852 | 2868 |
|
2853 | 2869 |
}; |
2854 | 2870 |
|
2855 | 2871 |
/// \brief Returns a (read-only) Residual adaptor |
2856 | 2872 |
/// |
2857 | 2873 |
/// This function just returns a (read-only) \ref ResidualDigraph adaptor. |
2858 | 2874 |
/// \ingroup graph_adaptors |
2859 | 2875 |
/// \relates ResidualDigraph |
2860 | 2876 |
template<typename DGR, typename CM, typename FM> |
2861 | 2877 |
ResidualDigraph<DGR, CM, FM> |
2862 | 2878 |
residualDigraph(const DGR& digraph, const CM& capacity_map, FM& flow_map) { |
2863 | 2879 |
return ResidualDigraph<DGR, CM, FM> (digraph, capacity_map, flow_map); |
2864 | 2880 |
} |
2865 | 2881 |
|
2866 | 2882 |
|
2867 | 2883 |
template <typename DGR> |
2868 | 2884 |
class SplitNodesBase { |
2885 |
typedef DigraphAdaptorBase<const DGR> Parent; |
|
2886 |
|
|
2869 | 2887 |
public: |
2870 | 2888 |
|
2871 | 2889 |
typedef DGR Digraph; |
2872 |
typedef DigraphAdaptorBase<const DGR> Parent; |
|
2873 | 2890 |
typedef SplitNodesBase Adaptor; |
2874 | 2891 |
|
2875 | 2892 |
typedef typename DGR::Node DigraphNode; |
2876 | 2893 |
typedef typename DGR::Arc DigraphArc; |
2877 | 2894 |
|
2878 | 2895 |
class Node; |
2879 | 2896 |
class Arc; |
2880 | 2897 |
|
2881 | 2898 |
private: |
2882 | 2899 |
|
2883 | 2900 |
template <typename T> class NodeMapBase; |
2884 | 2901 |
template <typename T> class ArcMapBase; |
2885 | 2902 |
|
2886 | 2903 |
public: |
2887 | 2904 |
|
2888 | 2905 |
class Node : public DigraphNode { |
2889 | 2906 |
friend class SplitNodesBase; |
2890 | 2907 |
template <typename T> friend class NodeMapBase; |
2891 | 2908 |
private: |
2892 | 2909 |
|
2893 | 2910 |
bool _in; |
2894 | 2911 |
Node(DigraphNode node, bool in) |
2895 | 2912 |
: DigraphNode(node), _in(in) {} |
2896 | 2913 |
|
2897 | 2914 |
public: |
2898 | 2915 |
|
2899 | 2916 |
Node() {} |
2900 | 2917 |
Node(Invalid) : DigraphNode(INVALID), _in(true) {} |
2901 | 2918 |
|
2902 | 2919 |
bool operator==(const Node& node) const { |
2903 | 2920 |
return DigraphNode::operator==(node) && _in == node._in; |
2904 | 2921 |
} |
2905 | 2922 |
|
2906 | 2923 |
bool operator!=(const Node& node) const { |
2907 | 2924 |
return !(*this == node); |
2908 | 2925 |
} |
2909 | 2926 |
|
2910 | 2927 |
bool operator<(const Node& node) const { |
2911 | 2928 |
return DigraphNode::operator<(node) || |
2912 | 2929 |
(DigraphNode::operator==(node) && _in < node._in); |
2913 | 2930 |
} |
2914 | 2931 |
}; |
2915 | 2932 |
|
2916 | 2933 |
class Arc { |
2917 | 2934 |
friend class SplitNodesBase; |
2918 | 2935 |
template <typename T> friend class ArcMapBase; |
2919 | 2936 |
private: |
2920 | 2937 |
typedef BiVariant<DigraphArc, DigraphNode> ArcImpl; |
2921 | 2938 |
|
2922 | 2939 |
explicit Arc(const DigraphArc& arc) : _item(arc) {} |
2923 | 2940 |
explicit Arc(const DigraphNode& node) : _item(node) {} |
2924 | 2941 |
|
2925 | 2942 |
ArcImpl _item; |
2926 | 2943 |
|
2927 | 2944 |
public: |
2928 | 2945 |
Arc() {} |
2929 | 2946 |
Arc(Invalid) : _item(DigraphArc(INVALID)) {} |
2930 | 2947 |
|
2931 | 2948 |
bool operator==(const Arc& arc) const { |
2932 | 2949 |
if (_item.firstState()) { |
2933 | 2950 |
if (arc._item.firstState()) { |
2934 | 2951 |
return _item.first() == arc._item.first(); |
2935 | 2952 |
} |
2936 | 2953 |
} else { |
... | ... |
@@ -3167,227 +3184,228 @@ |
3167 | 3184 |
} |
3168 | 3185 |
|
3169 | 3186 |
ConstReturnValue operator[](const Node& key) const { |
3170 | 3187 |
if (Adaptor::inNode(key)) { return _in_map[key]; } |
3171 | 3188 |
else { return _out_map[key]; } |
3172 | 3189 |
} |
3173 | 3190 |
|
3174 | 3191 |
private: |
3175 | 3192 |
NodeImpl _in_map, _out_map; |
3176 | 3193 |
}; |
3177 | 3194 |
|
3178 | 3195 |
template <typename V> |
3179 | 3196 |
class ArcMapBase |
3180 | 3197 |
: public MapTraits<typename Parent::template ArcMap<V> > { |
3181 | 3198 |
typedef typename Parent::template ArcMap<V> ArcImpl; |
3182 | 3199 |
typedef typename Parent::template NodeMap<V> NodeImpl; |
3183 | 3200 |
public: |
3184 | 3201 |
typedef Arc Key; |
3185 | 3202 |
typedef V Value; |
3186 | 3203 |
typedef typename MapTraits<ArcImpl>::ReferenceMapTag ReferenceMapTag; |
3187 | 3204 |
typedef typename MapTraits<ArcImpl>::ReturnValue ReturnValue; |
3188 | 3205 |
typedef typename MapTraits<ArcImpl>::ConstReturnValue ConstReturnValue; |
3189 | 3206 |
typedef typename MapTraits<ArcImpl>::ReturnValue Reference; |
3190 | 3207 |
typedef typename MapTraits<ArcImpl>::ConstReturnValue ConstReference; |
3191 | 3208 |
|
3192 | 3209 |
ArcMapBase(const SplitNodesBase<DGR>& adaptor) |
3193 | 3210 |
: _arc_map(*adaptor._digraph), _node_map(*adaptor._digraph) {} |
3194 | 3211 |
ArcMapBase(const SplitNodesBase<DGR>& adaptor, const V& value) |
3195 | 3212 |
: _arc_map(*adaptor._digraph, value), |
3196 | 3213 |
_node_map(*adaptor._digraph, value) {} |
3197 | 3214 |
|
3198 | 3215 |
void set(const Arc& key, const V& val) { |
3199 | 3216 |
if (SplitNodesBase<DGR>::origArc(key)) { |
3200 | 3217 |
_arc_map.set(static_cast<const DigraphArc&>(key), val); |
3201 | 3218 |
} else { |
3202 | 3219 |
_node_map.set(static_cast<const DigraphNode&>(key), val); |
3203 | 3220 |
} |
3204 | 3221 |
} |
3205 | 3222 |
|
3206 | 3223 |
ReturnValue operator[](const Arc& key) { |
3207 | 3224 |
if (SplitNodesBase<DGR>::origArc(key)) { |
3208 | 3225 |
return _arc_map[static_cast<const DigraphArc&>(key)]; |
3209 | 3226 |
} else { |
3210 | 3227 |
return _node_map[static_cast<const DigraphNode&>(key)]; |
3211 | 3228 |
} |
3212 | 3229 |
} |
3213 | 3230 |
|
3214 | 3231 |
ConstReturnValue operator[](const Arc& key) const { |
3215 | 3232 |
if (SplitNodesBase<DGR>::origArc(key)) { |
3216 | 3233 |
return _arc_map[static_cast<const DigraphArc&>(key)]; |
3217 | 3234 |
} else { |
3218 | 3235 |
return _node_map[static_cast<const DigraphNode&>(key)]; |
3219 | 3236 |
} |
3220 | 3237 |
} |
3221 | 3238 |
|
3222 | 3239 |
private: |
3223 | 3240 |
ArcImpl _arc_map; |
3224 | 3241 |
NodeImpl _node_map; |
3225 | 3242 |
}; |
3226 | 3243 |
|
3227 | 3244 |
public: |
3228 | 3245 |
|
3229 | 3246 |
template <typename V> |
3230 | 3247 |
class NodeMap |
3231 |
: public SubMapExtender<SplitNodesBase<DGR>, NodeMapBase<V> > |
|
3232 |
{ |
|
3248 |
: public SubMapExtender<SplitNodesBase<DGR>, NodeMapBase<V> > { |
|
3249 |
typedef SubMapExtender<SplitNodesBase<DGR>, NodeMapBase<V> > Parent; |
|
3250 |
|
|
3233 | 3251 |
public: |
3234 | 3252 |
typedef V Value; |
3235 |
typedef SubMapExtender<SplitNodesBase<DGR>, NodeMapBase<Value> > Parent; |
|
3236 | 3253 |
|
3237 | 3254 |
NodeMap(const SplitNodesBase<DGR>& adaptor) |
3238 | 3255 |
: Parent(adaptor) {} |
3239 | 3256 |
|
3240 | 3257 |
NodeMap(const SplitNodesBase<DGR>& adaptor, const V& value) |
3241 | 3258 |
: Parent(adaptor, value) {} |
3242 | 3259 |
|
3243 | 3260 |
private: |
3244 | 3261 |
NodeMap& operator=(const NodeMap& cmap) { |
3245 | 3262 |
return operator=<NodeMap>(cmap); |
3246 | 3263 |
} |
3247 | 3264 |
|
3248 | 3265 |
template <typename CMap> |
3249 | 3266 |
NodeMap& operator=(const CMap& cmap) { |
3250 | 3267 |
Parent::operator=(cmap); |
3251 | 3268 |
return *this; |
3252 | 3269 |
} |
3253 | 3270 |
}; |
3254 | 3271 |
|
3255 | 3272 |
template <typename V> |
3256 | 3273 |
class ArcMap |
3257 |
: public SubMapExtender<SplitNodesBase<DGR>, ArcMapBase<V> > |
|
3258 |
{ |
|
3274 |
: public SubMapExtender<SplitNodesBase<DGR>, ArcMapBase<V> > { |
|
3275 |
typedef SubMapExtender<SplitNodesBase<DGR>, ArcMapBase<V> > Parent; |
|
3276 |
|
|
3259 | 3277 |
public: |
3260 | 3278 |
typedef V Value; |
3261 |
typedef SubMapExtender<SplitNodesBase<DGR>, ArcMapBase<Value> > Parent; |
|
3262 | 3279 |
|
3263 | 3280 |
ArcMap(const SplitNodesBase<DGR>& adaptor) |
3264 | 3281 |
: Parent(adaptor) {} |
3265 | 3282 |
|
3266 | 3283 |
ArcMap(const SplitNodesBase<DGR>& adaptor, const V& value) |
3267 | 3284 |
: Parent(adaptor, value) {} |
3268 | 3285 |
|
3269 | 3286 |
private: |
3270 | 3287 |
ArcMap& operator=(const ArcMap& cmap) { |
3271 | 3288 |
return operator=<ArcMap>(cmap); |
3272 | 3289 |
} |
3273 | 3290 |
|
3274 | 3291 |
template <typename CMap> |
3275 | 3292 |
ArcMap& operator=(const CMap& cmap) { |
3276 | 3293 |
Parent::operator=(cmap); |
3277 | 3294 |
return *this; |
3278 | 3295 |
} |
3279 | 3296 |
}; |
3280 | 3297 |
|
3281 | 3298 |
protected: |
3282 | 3299 |
|
3283 | 3300 |
SplitNodesBase() : _digraph(0) {} |
3284 | 3301 |
|
3285 | 3302 |
DGR* _digraph; |
3286 | 3303 |
|
3287 | 3304 |
void initialize(Digraph& digraph) { |
3288 | 3305 |
_digraph = &digraph; |
3289 | 3306 |
} |
3290 | 3307 |
|
3291 | 3308 |
}; |
3292 | 3309 |
|
3293 | 3310 |
/// \ingroup graph_adaptors |
3294 | 3311 |
/// |
3295 | 3312 |
/// \brief Adaptor class for splitting the nodes of a digraph. |
3296 | 3313 |
/// |
3297 | 3314 |
/// SplitNodes adaptor can be used for splitting each node into an |
3298 | 3315 |
/// \e in-node and an \e out-node in a digraph. Formaly, the adaptor |
3299 | 3316 |
/// replaces each node \f$ u \f$ in the digraph with two nodes, |
3300 | 3317 |
/// namely node \f$ u_{in} \f$ and node \f$ u_{out} \f$. |
3301 | 3318 |
/// If there is a \f$ (v, u) \f$ arc in the original digraph, then the |
3302 | 3319 |
/// new target of the arc will be \f$ u_{in} \f$ and similarly the |
3303 | 3320 |
/// source of each original \f$ (u, v) \f$ arc will be \f$ u_{out} \f$. |
3304 | 3321 |
/// The adaptor adds an additional \e bind \e arc from \f$ u_{in} \f$ |
3305 | 3322 |
/// to \f$ u_{out} \f$ for each node \f$ u \f$ of the original digraph. |
3306 | 3323 |
/// |
3307 | 3324 |
/// The aim of this class is running an algorithm with respect to node |
3308 | 3325 |
/// costs or capacities if the algorithm considers only arc costs or |
3309 | 3326 |
/// capacities directly. |
3310 | 3327 |
/// In this case you can use \c SplitNodes adaptor, and set the node |
3311 | 3328 |
/// costs/capacities of the original digraph to the \e bind \e arcs |
3312 | 3329 |
/// in the adaptor. |
3313 | 3330 |
/// |
3314 | 3331 |
/// \tparam DGR The type of the adapted digraph. |
3315 | 3332 |
/// It must conform to the \ref concepts::Digraph "Digraph" concept. |
3316 | 3333 |
/// It is implicitly \c const. |
3317 | 3334 |
/// |
3318 | 3335 |
/// \note The \c Node type of this adaptor is converible to the \c Node |
3319 | 3336 |
/// type of the adapted digraph. |
3320 | 3337 |
template <typename DGR> |
3321 | 3338 |
#ifdef DOXYGEN |
3322 | 3339 |
class SplitNodes { |
3323 | 3340 |
#else |
3324 | 3341 |
class SplitNodes |
3325 | 3342 |
: public DigraphAdaptorExtender<SplitNodesBase<const DGR> > { |
3326 | 3343 |
#endif |
3344 |
typedef DigraphAdaptorExtender<SplitNodesBase<const DGR> > Parent; |
|
3345 |
|
|
3327 | 3346 |
public: |
3328 | 3347 |
typedef DGR Digraph; |
3329 |
typedef DigraphAdaptorExtender<SplitNodesBase<const DGR> > Parent; |
|
3330 | 3348 |
|
3331 | 3349 |
typedef typename DGR::Node DigraphNode; |
3332 | 3350 |
typedef typename DGR::Arc DigraphArc; |
3333 | 3351 |
|
3334 | 3352 |
typedef typename Parent::Node Node; |
3335 | 3353 |
typedef typename Parent::Arc Arc; |
3336 | 3354 |
|
3337 | 3355 |
/// \brief Constructor |
3338 | 3356 |
/// |
3339 | 3357 |
/// Constructor of the adaptor. |
3340 | 3358 |
SplitNodes(const DGR& g) { |
3341 | 3359 |
Parent::initialize(g); |
3342 | 3360 |
} |
3343 | 3361 |
|
3344 | 3362 |
/// \brief Returns \c true if the given node is an in-node. |
3345 | 3363 |
/// |
3346 | 3364 |
/// Returns \c true if the given node is an in-node. |
3347 | 3365 |
static bool inNode(const Node& n) { |
3348 | 3366 |
return Parent::inNode(n); |
3349 | 3367 |
} |
3350 | 3368 |
|
3351 | 3369 |
/// \brief Returns \c true if the given node is an out-node. |
3352 | 3370 |
/// |
3353 | 3371 |
/// Returns \c true if the given node is an out-node. |
3354 | 3372 |
static bool outNode(const Node& n) { |
3355 | 3373 |
return Parent::outNode(n); |
3356 | 3374 |
} |
3357 | 3375 |
|
3358 | 3376 |
/// \brief Returns \c true if the given arc is an original arc. |
3359 | 3377 |
/// |
3360 | 3378 |
/// Returns \c true if the given arc is one of the arcs in the |
3361 | 3379 |
/// original digraph. |
3362 | 3380 |
static bool origArc(const Arc& a) { |
3363 | 3381 |
return Parent::origArc(a); |
3364 | 3382 |
} |
3365 | 3383 |
|
3366 | 3384 |
/// \brief Returns \c true if the given arc is a bind arc. |
3367 | 3385 |
/// |
3368 | 3386 |
/// Returns \c true if the given arc is a bind arc, i.e. it connects |
3369 | 3387 |
/// an in-node and an out-node. |
3370 | 3388 |
static bool bindArc(const Arc& a) { |
3371 | 3389 |
return Parent::bindArc(a); |
3372 | 3390 |
} |
3373 | 3391 |
|
3374 | 3392 |
/// \brief Returns the in-node created from the given original node. |
3375 | 3393 |
/// |
3376 | 3394 |
/// Returns the in-node created from the given original node. |
3377 | 3395 |
static Node inNode(const DigraphNode& n) { |
3378 | 3396 |
return Parent::inNode(n); |
3379 | 3397 |
} |
3380 | 3398 |
|
3381 | 3399 |
/// \brief Returns the out-node created from the given original node. |
3382 | 3400 |
/// |
3383 | 3401 |
/// Returns the out-node created from the given original node. |
3384 | 3402 |
static Node outNode(const DigraphNode& n) { |
3385 | 3403 |
return Parent::outNode(n); |
3386 | 3404 |
} |
3387 | 3405 |
|
3388 | 3406 |
/// \brief Returns the bind arc that corresponds to the given |
3389 | 3407 |
/// original node. |
3390 | 3408 |
/// |
3391 | 3409 |
/// Returns the bind arc in the adaptor that corresponds to the given |
3392 | 3410 |
/// original node, i.e. the arc connecting the in-node and out-node |
3393 | 3411 |
/// of \c n. |
1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
2 | 2 |
* |
3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
4 | 4 |
* |
5 | 5 |
* Copyright (C) 2003-2009 |
6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_BITS_ARRAY_MAP_H |
20 | 20 |
#define LEMON_BITS_ARRAY_MAP_H |
21 | 21 |
|
22 | 22 |
#include <memory> |
23 | 23 |
|
24 | 24 |
#include <lemon/bits/traits.h> |
25 | 25 |
#include <lemon/bits/alteration_notifier.h> |
26 | 26 |
#include <lemon/concept_check.h> |
27 | 27 |
#include <lemon/concepts/maps.h> |
28 | 28 |
|
29 | 29 |
// \ingroup graphbits |
30 | 30 |
// \file |
31 | 31 |
// \brief Graph map based on the array storage. |
32 | 32 |
|
33 | 33 |
namespace lemon { |
34 | 34 |
|
35 | 35 |
// \ingroup graphbits |
36 | 36 |
// |
37 | 37 |
// \brief Graph map based on the array storage. |
38 | 38 |
// |
39 | 39 |
// The ArrayMap template class is graph map structure that automatically |
40 | 40 |
// updates the map when a key is added to or erased from the graph. |
41 | 41 |
// This map uses the allocators to implement the container functionality. |
42 | 42 |
// |
43 | 43 |
// The template parameters are the Graph, the current Item type and |
44 | 44 |
// the Value type of the map. |
45 | 45 |
template <typename _Graph, typename _Item, typename _Value> |
46 | 46 |
class ArrayMap |
47 | 47 |
: public ItemSetTraits<_Graph, _Item>::ItemNotifier::ObserverBase { |
48 | 48 |
public: |
49 | 49 |
// The graph type. |
50 |
typedef _Graph |
|
50 |
typedef _Graph GraphType; |
|
51 | 51 |
// The item type. |
52 | 52 |
typedef _Item Item; |
53 | 53 |
// The reference map tag. |
54 | 54 |
typedef True ReferenceMapTag; |
55 | 55 |
|
56 | 56 |
// The key type of the map. |
57 | 57 |
typedef _Item Key; |
58 | 58 |
// The value type of the map. |
59 | 59 |
typedef _Value Value; |
60 | 60 |
|
61 | 61 |
// The const reference type of the map. |
62 | 62 |
typedef const _Value& ConstReference; |
63 | 63 |
// The reference type of the map. |
64 | 64 |
typedef _Value& Reference; |
65 | 65 |
|
66 |
// The map type. |
|
67 |
typedef ArrayMap Map; |
|
68 |
|
|
66 | 69 |
// The notifier type. |
67 | 70 |
typedef typename ItemSetTraits<_Graph, _Item>::ItemNotifier Notifier; |
68 | 71 |
|
72 |
private: |
|
73 |
|
|
69 | 74 |
// The MapBase of the Map which imlements the core regisitry function. |
70 | 75 |
typedef typename Notifier::ObserverBase Parent; |
71 | 76 |
|
72 |
private: |
|
73 | 77 |
typedef std::allocator<Value> Allocator; |
74 | 78 |
|
75 | 79 |
public: |
76 | 80 |
|
77 | 81 |
// \brief Graph initialized map constructor. |
78 | 82 |
// |
79 | 83 |
// Graph initialized map constructor. |
80 |
explicit ArrayMap(const |
|
84 |
explicit ArrayMap(const GraphType& graph) { |
|
81 | 85 |
Parent::attach(graph.notifier(Item())); |
82 | 86 |
allocate_memory(); |
83 | 87 |
Notifier* nf = Parent::notifier(); |
84 | 88 |
Item it; |
85 | 89 |
for (nf->first(it); it != INVALID; nf->next(it)) { |
86 | 90 |
int id = nf->id(it);; |
87 | 91 |
allocator.construct(&(values[id]), Value()); |
88 | 92 |
} |
89 | 93 |
} |
90 | 94 |
|
91 | 95 |
// \brief Constructor to use default value to initialize the map. |
92 | 96 |
// |
93 | 97 |
// It constructs a map and initialize all of the the map. |
94 |
ArrayMap(const |
|
98 |
ArrayMap(const GraphType& graph, const Value& value) { |
|
95 | 99 |
Parent::attach(graph.notifier(Item())); |
96 | 100 |
allocate_memory(); |
97 | 101 |
Notifier* nf = Parent::notifier(); |
98 | 102 |
Item it; |
99 | 103 |
for (nf->first(it); it != INVALID; nf->next(it)) { |
100 | 104 |
int id = nf->id(it);; |
101 | 105 |
allocator.construct(&(values[id]), value); |
102 | 106 |
} |
103 | 107 |
} |
104 | 108 |
|
105 | 109 |
private: |
106 | 110 |
// \brief Constructor to copy a map of the same map type. |
107 | 111 |
// |
108 | 112 |
// Constructor to copy a map of the same map type. |
109 | 113 |
ArrayMap(const ArrayMap& copy) : Parent() { |
110 | 114 |
if (copy.attached()) { |
111 | 115 |
attach(*copy.notifier()); |
112 | 116 |
} |
113 | 117 |
capacity = copy.capacity; |
114 | 118 |
if (capacity == 0) return; |
115 | 119 |
values = allocator.allocate(capacity); |
116 | 120 |
Notifier* nf = Parent::notifier(); |
117 | 121 |
Item it; |
118 | 122 |
for (nf->first(it); it != INVALID; nf->next(it)) { |
119 | 123 |
int id = nf->id(it);; |
120 | 124 |
allocator.construct(&(values[id]), copy.values[id]); |
121 | 125 |
} |
122 | 126 |
} |
123 | 127 |
|
124 | 128 |
// \brief Assign operator. |
125 | 129 |
// |
126 | 130 |
// This operator assigns for each item in the map the |
127 | 131 |
// value mapped to the same item in the copied map. |
128 | 132 |
// The parameter map should be indiced with the same |
129 | 133 |
// itemset because this assign operator does not change |
130 | 134 |
// the container of the map. |
131 | 135 |
ArrayMap& operator=(const ArrayMap& cmap) { |
132 | 136 |
return operator=<ArrayMap>(cmap); |
133 | 137 |
} |
134 | 138 |
|
135 | 139 |
|
136 | 140 |
// \brief Template assign operator. |
137 | 141 |
// |
138 | 142 |
// The given parameter should conform to the ReadMap |
139 | 143 |
// concecpt and could be indiced by the current item set of |
140 | 144 |
// the NodeMap. In this case the value for each item |
141 | 145 |
// is assigned by the value of the given ReadMap. |
142 | 146 |
template <typename CMap> |
143 | 147 |
ArrayMap& operator=(const CMap& cmap) { |
144 | 148 |
checkConcept<concepts::ReadMap<Key, _Value>, CMap>(); |
145 | 149 |
const typename Parent::Notifier* nf = Parent::notifier(); |
146 | 150 |
Item it; |
147 | 151 |
for (nf->first(it); it != INVALID; nf->next(it)) { |
148 | 152 |
set(it, cmap[it]); |
149 | 153 |
} |
150 | 154 |
return *this; |
151 | 155 |
} |
152 | 156 |
|
153 | 157 |
public: |
154 | 158 |
// \brief The destructor of the map. |
155 | 159 |
// |
156 | 160 |
// The destructor of the map. |
157 | 161 |
virtual ~ArrayMap() { |
158 | 162 |
if (attached()) { |
1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
2 | 2 |
* |
3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
4 | 4 |
* |
5 | 5 |
* Copyright (C) 2003-2009 |
6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_BITS_BASE_EXTENDER_H |
20 | 20 |
#define LEMON_BITS_BASE_EXTENDER_H |
21 | 21 |
|
22 | 22 |
#include <lemon/core.h> |
23 | 23 |
#include <lemon/error.h> |
24 | 24 |
|
25 | 25 |
#include <lemon/bits/map_extender.h> |
26 | 26 |
#include <lemon/bits/default_map.h> |
27 | 27 |
|
28 | 28 |
#include <lemon/concept_check.h> |
29 | 29 |
#include <lemon/concepts/maps.h> |
30 | 30 |
|
31 | 31 |
//\ingroup digraphbits |
32 | 32 |
//\file |
33 | 33 |
//\brief Extenders for the graph types |
34 | 34 |
namespace lemon { |
35 | 35 |
|
36 | 36 |
// \ingroup digraphbits |
37 | 37 |
// |
38 | 38 |
// \brief BaseDigraph to BaseGraph extender |
39 | 39 |
template <typename Base> |
40 | 40 |
class UndirDigraphExtender : public Base { |
41 |
typedef Base Parent; |
|
41 | 42 |
|
42 | 43 |
public: |
43 | 44 |
|
44 |
typedef Base Parent; |
|
45 | 45 |
typedef typename Parent::Arc Edge; |
46 | 46 |
typedef typename Parent::Node Node; |
47 | 47 |
|
48 | 48 |
typedef True UndirectedTag; |
49 | 49 |
|
50 | 50 |
class Arc : public Edge { |
51 | 51 |
friend class UndirDigraphExtender; |
52 | 52 |
|
53 | 53 |
protected: |
54 | 54 |
bool forward; |
55 | 55 |
|
56 | 56 |
Arc(const Edge &ue, bool _forward) : |
57 | 57 |
Edge(ue), forward(_forward) {} |
58 | 58 |
|
59 | 59 |
public: |
60 | 60 |
Arc() {} |
61 | 61 |
|
62 | 62 |
// Invalid arc constructor |
63 | 63 |
Arc(Invalid i) : Edge(i), forward(true) {} |
64 | 64 |
|
65 | 65 |
bool operator==(const Arc &that) const { |
66 | 66 |
return forward==that.forward && Edge(*this)==Edge(that); |
67 | 67 |
} |
68 | 68 |
bool operator!=(const Arc &that) const { |
69 | 69 |
return forward!=that.forward || Edge(*this)!=Edge(that); |
70 | 70 |
} |
71 | 71 |
bool operator<(const Arc &that) const { |
72 | 72 |
return forward<that.forward || |
73 | 73 |
(!(that.forward<forward) && Edge(*this)<Edge(that)); |
74 | 74 |
} |
75 | 75 |
}; |
76 | 76 |
|
77 | 77 |
// First node of the edge |
78 | 78 |
Node u(const Edge &e) const { |
79 | 79 |
return Parent::source(e); |
80 | 80 |
} |
81 | 81 |
|
82 | 82 |
// Source of the given arc |
83 | 83 |
Node source(const Arc &e) const { |
84 | 84 |
return e.forward ? Parent::source(e) : Parent::target(e); |
85 | 85 |
} |
86 | 86 |
|
87 | 87 |
// Second node of the edge |
88 | 88 |
Node v(const Edge &e) const { |
89 | 89 |
return Parent::target(e); |
90 | 90 |
} |
91 | 91 |
|
92 | 92 |
// Target of the given arc |
93 | 93 |
Node target(const Arc &e) const { |
94 | 94 |
return e.forward ? Parent::target(e) : Parent::source(e); |
95 | 95 |
} |
96 | 96 |
|
97 | 97 |
// \brief Directed arc from an edge. |
98 | 98 |
// |
99 | 99 |
// Returns a directed arc corresponding to the specified edge. |
100 | 100 |
// If the given bool is true, the first node of the given edge and |
101 | 101 |
// the source node of the returned arc are the same. |
102 | 102 |
static Arc direct(const Edge &e, bool d) { |
103 | 103 |
return Arc(e, d); |
104 | 104 |
} |
105 | 105 |
|
106 | 106 |
// Returns whether the given directed arc has the same orientation |
107 | 107 |
// as the corresponding edge. |
108 | 108 |
static bool direction(const Arc &a) { return a.forward; } |
... | ... |
@@ -219,130 +219,131 @@ |
219 | 219 |
|
220 | 220 |
int maxNodeId() const { |
221 | 221 |
return Parent::maxNodeId(); |
222 | 222 |
} |
223 | 223 |
|
224 | 224 |
int maxArcId() const { |
225 | 225 |
return 2 * Parent::maxArcId() + 1; |
226 | 226 |
} |
227 | 227 |
|
228 | 228 |
int maxEdgeId() const { |
229 | 229 |
return Parent::maxArcId(); |
230 | 230 |
} |
231 | 231 |
|
232 | 232 |
int arcNum() const { |
233 | 233 |
return 2 * Parent::arcNum(); |
234 | 234 |
} |
235 | 235 |
|
236 | 236 |
int edgeNum() const { |
237 | 237 |
return Parent::arcNum(); |
238 | 238 |
} |
239 | 239 |
|
240 | 240 |
Arc findArc(Node s, Node t, Arc p = INVALID) const { |
241 | 241 |
if (p == INVALID) { |
242 | 242 |
Edge arc = Parent::findArc(s, t); |
243 | 243 |
if (arc != INVALID) return direct(arc, true); |
244 | 244 |
arc = Parent::findArc(t, s); |
245 | 245 |
if (arc != INVALID) return direct(arc, false); |
246 | 246 |
} else if (direction(p)) { |
247 | 247 |
Edge arc = Parent::findArc(s, t, p); |
248 | 248 |
if (arc != INVALID) return direct(arc, true); |
249 | 249 |
arc = Parent::findArc(t, s); |
250 | 250 |
if (arc != INVALID) return direct(arc, false); |
251 | 251 |
} else { |
252 | 252 |
Edge arc = Parent::findArc(t, s, p); |
253 | 253 |
if (arc != INVALID) return direct(arc, false); |
254 | 254 |
} |
255 | 255 |
return INVALID; |
256 | 256 |
} |
257 | 257 |
|
258 | 258 |
Edge findEdge(Node s, Node t, Edge p = INVALID) const { |
259 | 259 |
if (s != t) { |
260 | 260 |
if (p == INVALID) { |
261 | 261 |
Edge arc = Parent::findArc(s, t); |
262 | 262 |
if (arc != INVALID) return arc; |
263 | 263 |
arc = Parent::findArc(t, s); |
264 | 264 |
if (arc != INVALID) return arc; |
265 | 265 |
} else if (Parent::s(p) == s) { |
266 | 266 |
Edge arc = Parent::findArc(s, t, p); |
267 | 267 |
if (arc != INVALID) return arc; |
268 | 268 |
arc = Parent::findArc(t, s); |
269 | 269 |
if (arc != INVALID) return arc; |
270 | 270 |
} else { |
271 | 271 |
Edge arc = Parent::findArc(t, s, p); |
272 | 272 |
if (arc != INVALID) return arc; |
273 | 273 |
} |
274 | 274 |
} else { |
275 | 275 |
return Parent::findArc(s, t, p); |
276 | 276 |
} |
277 | 277 |
return INVALID; |
278 | 278 |
} |
279 | 279 |
}; |
280 | 280 |
|
281 | 281 |
template <typename Base> |
282 | 282 |
class BidirBpGraphExtender : public Base { |
283 |
typedef Base Parent; |
|
284 |
|
|
283 | 285 |
public: |
284 |
typedef Base Parent; |
|
285 | 286 |
typedef BidirBpGraphExtender Digraph; |
286 | 287 |
|
287 | 288 |
typedef typename Parent::Node Node; |
288 | 289 |
typedef typename Parent::Edge Edge; |
289 | 290 |
|
290 | 291 |
|
291 | 292 |
using Parent::first; |
292 | 293 |
using Parent::next; |
293 | 294 |
|
294 | 295 |
using Parent::id; |
295 | 296 |
|
296 | 297 |
class Red : public Node { |
297 | 298 |
friend class BidirBpGraphExtender; |
298 | 299 |
public: |
299 | 300 |
Red() {} |
300 | 301 |
Red(const Node& node) : Node(node) { |
301 | 302 |
LEMON_DEBUG(Parent::red(node) || node == INVALID, |
302 | 303 |
typename Parent::NodeSetError()); |
303 | 304 |
} |
304 | 305 |
Red& operator=(const Node& node) { |
305 | 306 |
LEMON_DEBUG(Parent::red(node) || node == INVALID, |
306 | 307 |
typename Parent::NodeSetError()); |
307 | 308 |
Node::operator=(node); |
308 | 309 |
return *this; |
309 | 310 |
} |
310 | 311 |
Red(Invalid) : Node(INVALID) {} |
311 | 312 |
Red& operator=(Invalid) { |
312 | 313 |
Node::operator=(INVALID); |
313 | 314 |
return *this; |
314 | 315 |
} |
315 | 316 |
}; |
316 | 317 |
|
317 | 318 |
void first(Red& node) const { |
318 | 319 |
Parent::firstRed(static_cast<Node&>(node)); |
319 | 320 |
} |
320 | 321 |
void next(Red& node) const { |
321 | 322 |
Parent::nextRed(static_cast<Node&>(node)); |
322 | 323 |
} |
323 | 324 |
|
324 | 325 |
int id(const Red& node) const { |
325 | 326 |
return Parent::redId(node); |
326 | 327 |
} |
327 | 328 |
|
328 | 329 |
class Blue : public Node { |
329 | 330 |
friend class BidirBpGraphExtender; |
330 | 331 |
public: |
331 | 332 |
Blue() {} |
332 | 333 |
Blue(const Node& node) : Node(node) { |
333 | 334 |
LEMON_DEBUG(Parent::blue(node) || node == INVALID, |
334 | 335 |
typename Parent::NodeSetError()); |
335 | 336 |
} |
336 | 337 |
Blue& operator=(const Node& node) { |
337 | 338 |
LEMON_DEBUG(Parent::blue(node) || node == INVALID, |
338 | 339 |
typename Parent::NodeSetError()); |
339 | 340 |
Node::operator=(node); |
340 | 341 |
return *this; |
341 | 342 |
} |
342 | 343 |
Blue(Invalid) : Node(INVALID) {} |
343 | 344 |
Blue& operator=(Invalid) { |
344 | 345 |
Node::operator=(INVALID); |
345 | 346 |
return *this; |
346 | 347 |
} |
347 | 348 |
}; |
348 | 349 |
... | ... |
@@ -92,90 +92,91 @@ |
92 | 92 |
}; |
93 | 93 |
|
94 | 94 |
template <typename _Graph, typename _Item> |
95 | 95 |
struct DefaultMapSelector<_Graph, _Item, unsigned long> { |
96 | 96 |
typedef VectorMap<_Graph, _Item, unsigned long> Map; |
97 | 97 |
}; |
98 | 98 |
|
99 | 99 |
|
100 | 100 |
#if defined HAVE_LONG_LONG |
101 | 101 |
|
102 | 102 |
// long long |
103 | 103 |
template <typename _Graph, typename _Item> |
104 | 104 |
struct DefaultMapSelector<_Graph, _Item, signed long long> { |
105 | 105 |
typedef VectorMap<_Graph, _Item, signed long long> Map; |
106 | 106 |
}; |
107 | 107 |
|
108 | 108 |
template <typename _Graph, typename _Item> |
109 | 109 |
struct DefaultMapSelector<_Graph, _Item, unsigned long long> { |
110 | 110 |
typedef VectorMap<_Graph, _Item, unsigned long long> Map; |
111 | 111 |
}; |
112 | 112 |
|
113 | 113 |
#endif |
114 | 114 |
|
115 | 115 |
|
116 | 116 |
// float |
117 | 117 |
template <typename _Graph, typename _Item> |
118 | 118 |
struct DefaultMapSelector<_Graph, _Item, float> { |
119 | 119 |
typedef VectorMap<_Graph, _Item, float> Map; |
120 | 120 |
}; |
121 | 121 |
|
122 | 122 |
|
123 | 123 |
// double |
124 | 124 |
template <typename _Graph, typename _Item> |
125 | 125 |
struct DefaultMapSelector<_Graph, _Item, double> { |
126 | 126 |
typedef VectorMap<_Graph, _Item, double> Map; |
127 | 127 |
}; |
128 | 128 |
|
129 | 129 |
|
130 | 130 |
// long double |
131 | 131 |
template <typename _Graph, typename _Item> |
132 | 132 |
struct DefaultMapSelector<_Graph, _Item, long double> { |
133 | 133 |
typedef VectorMap<_Graph, _Item, long double> Map; |
134 | 134 |
}; |
135 | 135 |
|
136 | 136 |
|
137 | 137 |
// pointer |
138 | 138 |
template <typename _Graph, typename _Item, typename _Ptr> |
139 | 139 |
struct DefaultMapSelector<_Graph, _Item, _Ptr*> { |
140 | 140 |
typedef VectorMap<_Graph, _Item, _Ptr*> Map; |
141 | 141 |
}; |
142 | 142 |
|
143 | 143 |
// #else |
144 | 144 |
|
145 | 145 |
// template <typename _Graph, typename _Item, typename _Value> |
146 | 146 |
// struct DefaultMapSelector { |
147 | 147 |
// typedef DebugMap<_Graph, _Item, _Value> Map; |
148 | 148 |
// }; |
149 | 149 |
|
150 | 150 |
// #endif |
151 | 151 |
|
152 | 152 |
// DefaultMap class |
153 | 153 |
template <typename _Graph, typename _Item, typename _Value> |
154 | 154 |
class DefaultMap |
155 | 155 |
: public DefaultMapSelector<_Graph, _Item, _Value>::Map { |
156 |
typedef typename DefaultMapSelector<_Graph, _Item, _Value>::Map Parent; |
|
157 |
|
|
156 | 158 |
public: |
157 |
typedef typename DefaultMapSelector<_Graph, _Item, _Value>::Map Parent; |
|
158 | 159 |
typedef DefaultMap<_Graph, _Item, _Value> Map; |
159 |
|
|
160 |
typedef typename Parent::Graph Graph; |
|
160 |
|
|
161 |
typedef typename Parent::GraphType GraphType; |
|
161 | 162 |
typedef typename Parent::Value Value; |
162 | 163 |
|
163 |
explicit DefaultMap(const Graph& graph) : Parent(graph) {} |
|
164 |
DefaultMap(const Graph& graph, const Value& value) |
|
164 |
explicit DefaultMap(const GraphType& graph) : Parent(graph) {} |
|
165 |
DefaultMap(const GraphType& graph, const Value& value) |
|
165 | 166 |
: Parent(graph, value) {} |
166 | 167 |
|
167 | 168 |
DefaultMap& operator=(const DefaultMap& cmap) { |
168 | 169 |
return operator=<DefaultMap>(cmap); |
169 | 170 |
} |
170 | 171 |
|
171 | 172 |
template <typename CMap> |
172 | 173 |
DefaultMap& operator=(const CMap& cmap) { |
173 | 174 |
Parent::operator=(cmap); |
174 | 175 |
return *this; |
175 | 176 |
} |
176 | 177 |
|
177 | 178 |
}; |
178 | 179 |
|
179 | 180 |
} |
180 | 181 |
|
181 | 182 |
#endif |
1 | 1 |
/* -*- C++ -*- |
2 | 2 |
* |
3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library |
4 | 4 |
* |
5 | 5 |
* Copyright (C) 2003-2008 |
6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_BITS_EDGE_SET_EXTENDER_H |
20 | 20 |
#define LEMON_BITS_EDGE_SET_EXTENDER_H |
21 | 21 |
|
22 | 22 |
#include <lemon/core.h> |
23 | 23 |
#include <lemon/error.h> |
24 | 24 |
#include <lemon/bits/default_map.h> |
25 | 25 |
#include <lemon/bits/map_extender.h> |
26 | 26 |
|
27 | 27 |
//\ingroup digraphbits |
28 | 28 |
//\file |
29 | 29 |
//\brief Extenders for the arc set types |
30 | 30 |
namespace lemon { |
31 | 31 |
|
32 | 32 |
// \ingroup digraphbits |
33 | 33 |
// |
34 | 34 |
// \brief Extender for the ArcSets |
35 | 35 |
template <typename Base> |
36 | 36 |
class ArcSetExtender : public Base { |
37 |
typedef Base Parent; |
|
38 |
|
|
37 | 39 |
public: |
38 | 40 |
|
39 |
typedef Base Parent; |
|
40 | 41 |
typedef ArcSetExtender Digraph; |
41 | 42 |
|
42 | 43 |
// Base extensions |
43 | 44 |
|
44 | 45 |
typedef typename Parent::Node Node; |
45 | 46 |
typedef typename Parent::Arc Arc; |
46 | 47 |
|
47 | 48 |
int maxId(Node) const { |
48 | 49 |
return Parent::maxNodeId(); |
49 | 50 |
} |
50 | 51 |
|
51 | 52 |
int maxId(Arc) const { |
52 | 53 |
return Parent::maxArcId(); |
53 | 54 |
} |
54 | 55 |
|
55 | 56 |
Node fromId(int id, Node) const { |
56 | 57 |
return Parent::nodeFromId(id); |
57 | 58 |
} |
58 | 59 |
|
59 | 60 |
Arc fromId(int id, Arc) const { |
60 | 61 |
return Parent::arcFromId(id); |
61 | 62 |
} |
62 | 63 |
|
63 | 64 |
Node oppositeNode(const Node &n, const Arc &e) const { |
64 | 65 |
if (n == Parent::source(e)) |
65 | 66 |
return Parent::target(e); |
66 | 67 |
else if(n==Parent::target(e)) |
67 | 68 |
return Parent::source(e); |
68 | 69 |
else |
69 | 70 |
return INVALID; |
70 | 71 |
} |
71 | 72 |
|
72 | 73 |
|
73 | 74 |
// Alteration notifier extensions |
74 | 75 |
|
75 | 76 |
// The arc observer registry. |
76 | 77 |
typedef AlterationNotifier<ArcSetExtender, Arc> ArcNotifier; |
77 | 78 |
|
78 | 79 |
protected: |
79 | 80 |
|
80 | 81 |
mutable ArcNotifier arc_notifier; |
81 | 82 |
|
82 | 83 |
public: |
83 | 84 |
|
84 | 85 |
using Parent::notifier; |
85 | 86 |
|
86 | 87 |
// Gives back the arc alteration notifier. |
87 | 88 |
ArcNotifier& notifier(Arc) const { |
88 | 89 |
return arc_notifier; |
89 | 90 |
} |
90 | 91 |
|
91 | 92 |
// Iterable extensions |
92 | 93 |
|
93 | 94 |
class NodeIt : public Node { |
94 | 95 |
const Digraph* digraph; |
95 | 96 |
public: |
96 | 97 |
|
97 | 98 |
NodeIt() {} |
98 | 99 |
|
99 | 100 |
NodeIt(Invalid i) : Node(i) { } |
100 | 101 |
|
101 | 102 |
explicit NodeIt(const Digraph& _graph) : digraph(&_graph) { |
102 | 103 |
_graph.first(static_cast<Node&>(*this)); |
103 | 104 |
} |
... | ... |
@@ -157,472 +158,468 @@ |
157 | 158 |
return *this; |
158 | 159 |
} |
159 | 160 |
|
160 | 161 |
}; |
161 | 162 |
|
162 | 163 |
|
163 | 164 |
class InArcIt : public Arc { |
164 | 165 |
const Digraph* digraph; |
165 | 166 |
public: |
166 | 167 |
|
167 | 168 |
InArcIt() { } |
168 | 169 |
|
169 | 170 |
InArcIt(Invalid i) : Arc(i) { } |
170 | 171 |
|
171 | 172 |
InArcIt(const Digraph& _graph, const Node& node) |
172 | 173 |
: digraph(&_graph) { |
173 | 174 |
_graph.firstIn(*this, node); |
174 | 175 |
} |
175 | 176 |
|
176 | 177 |
InArcIt(const Digraph& _graph, const Arc& arc) : |
177 | 178 |
Arc(arc), digraph(&_graph) {} |
178 | 179 |
|
179 | 180 |
InArcIt& operator++() { |
180 | 181 |
digraph->nextIn(*this); |
181 | 182 |
return *this; |
182 | 183 |
} |
183 | 184 |
|
184 | 185 |
}; |
185 | 186 |
|
186 | 187 |
// \brief Base node of the iterator |
187 | 188 |
// |
188 | 189 |
// Returns the base node (ie. the source in this case) of the iterator |
189 | 190 |
Node baseNode(const OutArcIt &e) const { |
190 | 191 |
return Parent::source(static_cast<const Arc&>(e)); |
191 | 192 |
} |
192 | 193 |
// \brief Running node of the iterator |
193 | 194 |
// |
194 | 195 |
// Returns the running node (ie. the target in this case) of the |
195 | 196 |
// iterator |
196 | 197 |
Node runningNode(const OutArcIt &e) const { |
197 | 198 |
return Parent::target(static_cast<const Arc&>(e)); |
198 | 199 |
} |
199 | 200 |
|
200 | 201 |
// \brief Base node of the iterator |
201 | 202 |
// |
202 | 203 |
// Returns the base node (ie. the target in this case) of the iterator |
203 | 204 |
Node baseNode(const InArcIt &e) const { |
204 | 205 |
return Parent::target(static_cast<const Arc&>(e)); |
205 | 206 |
} |
206 | 207 |
// \brief Running node of the iterator |
207 | 208 |
// |
208 | 209 |
// Returns the running node (ie. the source in this case) of the |
209 | 210 |
// iterator |
210 | 211 |
Node runningNode(const InArcIt &e) const { |
211 | 212 |
return Parent::source(static_cast<const Arc&>(e)); |
212 | 213 |
} |
213 | 214 |
|
214 | 215 |
using Parent::first; |
215 | 216 |
|
216 | 217 |
// Mappable extension |
217 | 218 |
|
218 | 219 |
template <typename _Value> |
219 | 220 |
class ArcMap |
220 | 221 |
: public MapExtender<DefaultMap<Digraph, Arc, _Value> > { |
221 |
public: |
|
222 |
typedef ArcSetExtender Digraph; |
|
223 | 222 |
typedef MapExtender<DefaultMap<Digraph, Arc, _Value> > Parent; |
224 | 223 |
|
224 |
public: |
|
225 | 225 |
explicit ArcMap(const Digraph& _g) |
226 | 226 |
: Parent(_g) {} |
227 | 227 |
ArcMap(const Digraph& _g, const _Value& _v) |
228 | 228 |
: Parent(_g, _v) {} |
229 | 229 |
|
230 | 230 |
ArcMap& operator=(const ArcMap& cmap) { |
231 | 231 |
return operator=<ArcMap>(cmap); |
232 | 232 |
} |
233 | 233 |
|
234 | 234 |
template <typename CMap> |
235 | 235 |
ArcMap& operator=(const CMap& cmap) { |
236 | 236 |
Parent::operator=(cmap); |
237 | 237 |
return *this; |
238 | 238 |
} |
239 | 239 |
|
240 | 240 |
}; |
241 | 241 |
|
242 | 242 |
|
243 | 243 |
// Alteration extension |
244 | 244 |
|
245 | 245 |
Arc addArc(const Node& from, const Node& to) { |
246 | 246 |
Arc arc = Parent::addArc(from, to); |
247 | 247 |
notifier(Arc()).add(arc); |
248 | 248 |
return arc; |
249 | 249 |
} |
250 | 250 |
|
251 | 251 |
void clear() { |
252 | 252 |
notifier(Arc()).clear(); |
253 | 253 |
Parent::clear(); |
254 | 254 |
} |
255 | 255 |
|
256 | 256 |
void erase(const Arc& arc) { |
257 | 257 |
notifier(Arc()).erase(arc); |
258 | 258 |
Parent::erase(arc); |
259 | 259 |
} |
260 | 260 |
|
261 | 261 |
ArcSetExtender() { |
262 | 262 |
arc_notifier.setContainer(*this); |
263 | 263 |
} |
264 | 264 |
|
265 | 265 |
~ArcSetExtender() { |
266 | 266 |
arc_notifier.clear(); |
267 | 267 |
} |
268 | 268 |
|
269 | 269 |
}; |
270 | 270 |
|
271 | 271 |
|
272 | 272 |
// \ingroup digraphbits |
273 | 273 |
// |
274 | 274 |
// \brief Extender for the EdgeSets |
275 | 275 |
template <typename Base> |
276 | 276 |
class EdgeSetExtender : public Base { |
277 |
typedef Base Parent; |
|
277 | 278 |
|
278 | 279 |
public: |
279 | 280 |
|
280 |
typedef Base Parent; |
|
281 |
typedef EdgeSetExtender Digraph; |
|
281 |
typedef EdgeSetExtender Graph; |
|
282 | 282 |
|
283 | 283 |
typedef typename Parent::Node Node; |
284 | 284 |
typedef typename Parent::Arc Arc; |
285 | 285 |
typedef typename Parent::Edge Edge; |
286 | 286 |
|
287 |
|
|
288 | 287 |
int maxId(Node) const { |
289 | 288 |
return Parent::maxNodeId(); |
290 | 289 |
} |
291 | 290 |
|
292 | 291 |
int maxId(Arc) const { |
293 | 292 |
return Parent::maxArcId(); |
294 | 293 |
} |
295 | 294 |
|
296 | 295 |
int maxId(Edge) const { |
297 | 296 |
return Parent::maxEdgeId(); |
298 | 297 |
} |
299 | 298 |
|
300 | 299 |
Node fromId(int id, Node) const { |
301 | 300 |
return Parent::nodeFromId(id); |
302 | 301 |
} |
303 | 302 |
|
304 | 303 |
Arc fromId(int id, Arc) const { |
305 | 304 |
return Parent::arcFromId(id); |
306 | 305 |
} |
307 | 306 |
|
308 | 307 |
Edge fromId(int id, Edge) const { |
309 | 308 |
return Parent::edgeFromId(id); |
310 | 309 |
} |
311 | 310 |
|
312 | 311 |
Node oppositeNode(const Node &n, const Edge &e) const { |
313 | 312 |
if( n == Parent::u(e)) |
314 | 313 |
return Parent::v(e); |
315 | 314 |
else if( n == Parent::v(e)) |
316 | 315 |
return Parent::u(e); |
317 | 316 |
else |
318 | 317 |
return INVALID; |
319 | 318 |
} |
320 | 319 |
|
321 | 320 |
Arc oppositeArc(const Arc &e) const { |
322 | 321 |
return Parent::direct(e, !Parent::direction(e)); |
323 | 322 |
} |
324 | 323 |
|
325 | 324 |
using Parent::direct; |
326 | 325 |
Arc direct(const Edge &e, const Node &s) const { |
327 | 326 |
return Parent::direct(e, Parent::u(e) == s); |
328 | 327 |
} |
329 | 328 |
|
330 | 329 |
typedef AlterationNotifier<EdgeSetExtender, Arc> ArcNotifier; |
331 | 330 |
typedef AlterationNotifier<EdgeSetExtender, Edge> EdgeNotifier; |
332 | 331 |
|
333 | 332 |
|
334 | 333 |
protected: |
335 | 334 |
|
336 | 335 |
mutable ArcNotifier arc_notifier; |
337 | 336 |
mutable EdgeNotifier edge_notifier; |
338 | 337 |
|
339 | 338 |
public: |
340 | 339 |
|
341 | 340 |
using Parent::notifier; |
342 | 341 |
|
343 | 342 |
ArcNotifier& notifier(Arc) const { |
344 | 343 |
return arc_notifier; |
345 | 344 |
} |
346 | 345 |
|
347 | 346 |
EdgeNotifier& notifier(Edge) const { |
348 | 347 |
return edge_notifier; |
349 | 348 |
} |
350 | 349 |
|
351 | 350 |
|
352 | 351 |
class NodeIt : public Node { |
353 |
const |
|
352 |
const Graph* graph; |
|
354 | 353 |
public: |
355 | 354 |
|
356 | 355 |
NodeIt() {} |
357 | 356 |
|
358 | 357 |
NodeIt(Invalid i) : Node(i) { } |
359 | 358 |
|
360 |
explicit NodeIt(const |
|
359 |
explicit NodeIt(const Graph& _graph) : graph(&_graph) { |
|
361 | 360 |
_graph.first(static_cast<Node&>(*this)); |
362 | 361 |
} |
363 | 362 |
|
364 |
NodeIt(const Digraph& _graph, const Node& node) |
|
365 |
: Node(node), digraph(&_graph) {} |
|
363 |
NodeIt(const Graph& _graph, const Node& node) |
|
364 |
: Node(node), graph(&_graph) {} |
|
366 | 365 |
|
367 | 366 |
NodeIt& operator++() { |
368 |
|
|
367 |
graph->next(*this); |
|
369 | 368 |
return *this; |
370 | 369 |
} |
371 | 370 |
|
372 | 371 |
}; |
373 | 372 |
|
374 | 373 |
|
375 | 374 |
class ArcIt : public Arc { |
376 |
const |
|
375 |
const Graph* graph; |
|
377 | 376 |
public: |
378 | 377 |
|
379 | 378 |
ArcIt() { } |
380 | 379 |
|
381 | 380 |
ArcIt(Invalid i) : Arc(i) { } |
382 | 381 |
|
383 |
explicit ArcIt(const |
|
382 |
explicit ArcIt(const Graph& _graph) : graph(&_graph) { |
|
384 | 383 |
_graph.first(static_cast<Arc&>(*this)); |
385 | 384 |
} |
386 | 385 |
|
387 |
ArcIt(const Digraph& _graph, const Arc& e) : |
|
388 |
Arc(e), digraph(&_graph) { } |
|
386 |
ArcIt(const Graph& _graph, const Arc& e) : |
|
387 |
Arc(e), graph(&_graph) { } |
|
389 | 388 |
|
390 | 389 |
ArcIt& operator++() { |
391 |
|
|
390 |
graph->next(*this); |
|
392 | 391 |
return *this; |
393 | 392 |
} |
394 | 393 |
|
395 | 394 |
}; |
396 | 395 |
|
397 | 396 |
|
398 | 397 |
class OutArcIt : public Arc { |
399 |
const |
|
398 |
const Graph* graph; |
|
400 | 399 |
public: |
401 | 400 |
|
402 | 401 |
OutArcIt() { } |
403 | 402 |
|
404 | 403 |
OutArcIt(Invalid i) : Arc(i) { } |
405 | 404 |
|
406 |
OutArcIt(const Digraph& _graph, const Node& node) |
|
407 |
: digraph(&_graph) { |
|
405 |
OutArcIt(const Graph& _graph, const Node& node) |
|
406 |
: graph(&_graph) { |
|
408 | 407 |
_graph.firstOut(*this, node); |
409 | 408 |
} |
410 | 409 |
|
411 |
OutArcIt(const Digraph& _graph, const Arc& arc) |
|
412 |
: Arc(arc), digraph(&_graph) {} |
|
410 |
OutArcIt(const Graph& _graph, const Arc& arc) |
|
411 |
: Arc(arc), graph(&_graph) {} |
|
413 | 412 |
|
414 | 413 |
OutArcIt& operator++() { |
415 |
|
|
414 |
graph->nextOut(*this); |
|
416 | 415 |
return *this; |
417 | 416 |
} |
418 | 417 |
|
419 | 418 |
}; |
420 | 419 |
|
421 | 420 |
|
422 | 421 |
class InArcIt : public Arc { |
423 |
const |
|
422 |
const Graph* graph; |
|
424 | 423 |
public: |
425 | 424 |
|
426 | 425 |
InArcIt() { } |
427 | 426 |
|
428 | 427 |
InArcIt(Invalid i) : Arc(i) { } |
429 | 428 |
|
430 |
InArcIt(const Digraph& _graph, const Node& node) |
|
431 |
: digraph(&_graph) { |
|
429 |
InArcIt(const Graph& _graph, const Node& node) |
|
430 |
: graph(&_graph) { |
|
432 | 431 |
_graph.firstIn(*this, node); |
433 | 432 |
} |
434 | 433 |
|
435 |
InArcIt(const Digraph& _graph, const Arc& arc) : |
|
436 |
Arc(arc), digraph(&_graph) {} |
|
434 |
InArcIt(const Graph& _graph, const Arc& arc) : |
|
435 |
Arc(arc), graph(&_graph) {} |
|
437 | 436 |
|
438 | 437 |
InArcIt& operator++() { |
439 |
|
|
438 |
graph->nextIn(*this); |
|
440 | 439 |
return *this; |
441 | 440 |
} |
442 | 441 |
|
443 | 442 |
}; |
444 | 443 |
|
445 | 444 |
|
446 | 445 |
class EdgeIt : public Parent::Edge { |
447 |
const |
|
446 |
const Graph* graph; |
|
448 | 447 |
public: |
449 | 448 |
|
450 | 449 |
EdgeIt() { } |
451 | 450 |
|
452 | 451 |
EdgeIt(Invalid i) : Edge(i) { } |
453 | 452 |
|
454 |
explicit EdgeIt(const |
|
453 |
explicit EdgeIt(const Graph& _graph) : graph(&_graph) { |
|
455 | 454 |
_graph.first(static_cast<Edge&>(*this)); |
456 | 455 |
} |
457 | 456 |
|
458 |
EdgeIt(const Digraph& _graph, const Edge& e) : |
|
459 |
Edge(e), digraph(&_graph) { } |
|
457 |
EdgeIt(const Graph& _graph, const Edge& e) : |
|
458 |
Edge(e), graph(&_graph) { } |
|
460 | 459 |
|
461 | 460 |
EdgeIt& operator++() { |
462 |
|
|
461 |
graph->next(*this); |
|
463 | 462 |
return *this; |
464 | 463 |
} |
465 | 464 |
|
466 | 465 |
}; |
467 | 466 |
|
468 | 467 |
class IncEdgeIt : public Parent::Edge { |
469 | 468 |
friend class EdgeSetExtender; |
470 |
const |
|
469 |
const Graph* graph; |
|
471 | 470 |
bool direction; |
472 | 471 |
public: |
473 | 472 |
|
474 | 473 |
IncEdgeIt() { } |
475 | 474 |
|
476 | 475 |
IncEdgeIt(Invalid i) : Edge(i), direction(false) { } |
477 | 476 |
|
478 |
IncEdgeIt(const |
|
477 |
IncEdgeIt(const Graph& _graph, const Node &n) : graph(&_graph) { |
|
479 | 478 |
_graph.firstInc(*this, direction, n); |
480 | 479 |
} |
481 | 480 |
|
482 |
IncEdgeIt(const Digraph& _graph, const Edge &ue, const Node &n) |
|
483 |
: digraph(&_graph), Edge(ue) { |
|
481 |
IncEdgeIt(const Graph& _graph, const Edge &ue, const Node &n) |
|
482 |
: graph(&_graph), Edge(ue) { |
|
484 | 483 |
direction = (_graph.source(ue) == n); |
485 | 484 |
} |
486 | 485 |
|
487 | 486 |
IncEdgeIt& operator++() { |
488 |
|
|
487 |
graph->nextInc(*this, direction); |
|
489 | 488 |
return *this; |
490 | 489 |
} |
491 | 490 |
}; |
492 | 491 |
|
493 | 492 |
// \brief Base node of the iterator |
494 | 493 |
// |
495 | 494 |
// Returns the base node (ie. the source in this case) of the iterator |
496 | 495 |
Node baseNode(const OutArcIt &e) const { |
497 | 496 |
return Parent::source(static_cast<const Arc&>(e)); |
498 | 497 |
} |
499 | 498 |
// \brief Running node of the iterator |
500 | 499 |
// |
501 | 500 |
// Returns the running node (ie. the target in this case) of the |
502 | 501 |
// iterator |
503 | 502 |
Node runningNode(const OutArcIt &e) const { |
504 | 503 |
return Parent::target(static_cast<const Arc&>(e)); |
505 | 504 |
} |
506 | 505 |
|
507 | 506 |
// \brief Base node of the iterator |
508 | 507 |
// |
509 | 508 |
// Returns the base node (ie. the target in this case) of the iterator |
510 | 509 |
Node baseNode(const InArcIt &e) const { |
511 | 510 |
return Parent::target(static_cast<const Arc&>(e)); |
512 | 511 |
} |
513 | 512 |
// \brief Running node of the iterator |
514 | 513 |
// |
515 | 514 |
// Returns the running node (ie. the source in this case) of the |
516 | 515 |
// iterator |
517 | 516 |
Node runningNode(const InArcIt &e) const { |
518 | 517 |
return Parent::source(static_cast<const Arc&>(e)); |
519 | 518 |
} |
520 | 519 |
|
521 | 520 |
// Base node of the iterator |
522 | 521 |
// |
523 | 522 |
// Returns the base node of the iterator |
524 | 523 |
Node baseNode(const IncEdgeIt &e) const { |
525 | 524 |
return e.direction ? u(e) : v(e); |
526 | 525 |
} |
527 | 526 |
// Running node of the iterator |
528 | 527 |
// |
529 | 528 |
// Returns the running node of the iterator |
530 | 529 |
Node runningNode(const IncEdgeIt &e) const { |
531 | 530 |
return e.direction ? v(e) : u(e); |
532 | 531 |
} |
533 | 532 |
|
534 | 533 |
|
535 | 534 |
template <typename _Value> |
536 | 535 |
class ArcMap |
537 |
: public MapExtender<DefaultMap< |
|
536 |
: public MapExtender<DefaultMap<Graph, Arc, _Value> > { |
|
537 |
typedef MapExtender<DefaultMap<Graph, Arc, _Value> > Parent; |
|
538 |
|
|
538 | 539 |
public: |
539 |
typedef EdgeSetExtender Digraph; |
|
540 |
typedef MapExtender<DefaultMap<Digraph, Arc, _Value> > Parent; |
|
541 |
|
|
542 |
ArcMap(const Digraph& _g) |
|
540 |
ArcMap(const Graph& _g) |
|
543 | 541 |
: Parent(_g) {} |
544 |
ArcMap(const |
|
542 |
ArcMap(const Graph& _g, const _Value& _v) |
|
545 | 543 |
: Parent(_g, _v) {} |
546 | 544 |
|
547 | 545 |
ArcMap& operator=(const ArcMap& cmap) { |
548 | 546 |
return operator=<ArcMap>(cmap); |
549 | 547 |
} |
550 | 548 |
|
551 | 549 |
template <typename CMap> |
552 | 550 |
ArcMap& operator=(const CMap& cmap) { |
553 | 551 |
Parent::operator=(cmap); |
554 | 552 |
return *this; |
555 | 553 |
} |
556 | 554 |
|
557 | 555 |
}; |
558 | 556 |
|
559 | 557 |
|
560 | 558 |
template <typename _Value> |
561 | 559 |
class EdgeMap |
562 |
: public MapExtender<DefaultMap< |
|
560 |
: public MapExtender<DefaultMap<Graph, Edge, _Value> > { |
|
561 |
typedef MapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
|
562 |
|
|
563 | 563 |
public: |
564 |
typedef EdgeSetExtender Digraph; |
|
565 |
typedef MapExtender<DefaultMap<Digraph, Edge, _Value> > Parent; |
|
566 |
|
|
567 |
EdgeMap(const Digraph& _g) |
|
564 |
EdgeMap(const Graph& _g) |
|
568 | 565 |
: Parent(_g) {} |
569 | 566 |
|
570 |
EdgeMap(const |
|
567 |
EdgeMap(const Graph& _g, const _Value& _v) |
|
571 | 568 |
: Parent(_g, _v) {} |
572 | 569 |
|
573 | 570 |
EdgeMap& operator=(const EdgeMap& cmap) { |
574 | 571 |
return operator=<EdgeMap>(cmap); |
575 | 572 |
} |
576 | 573 |
|
577 | 574 |
template <typename CMap> |
578 | 575 |
EdgeMap& operator=(const CMap& cmap) { |
579 | 576 |
Parent::operator=(cmap); |
580 | 577 |
return *this; |
581 | 578 |
} |
582 | 579 |
|
583 | 580 |
}; |
584 | 581 |
|
585 | 582 |
|
586 | 583 |
// Alteration extension |
587 | 584 |
|
588 | 585 |
Edge addEdge(const Node& from, const Node& to) { |
589 | 586 |
Edge edge = Parent::addEdge(from, to); |
590 | 587 |
notifier(Edge()).add(edge); |
591 | 588 |
std::vector<Arc> arcs; |
592 | 589 |
arcs.push_back(Parent::direct(edge, true)); |
593 | 590 |
arcs.push_back(Parent::direct(edge, false)); |
594 | 591 |
notifier(Arc()).add(arcs); |
595 | 592 |
return edge; |
596 | 593 |
} |
597 | 594 |
|
598 | 595 |
void clear() { |
599 | 596 |
notifier(Arc()).clear(); |
600 | 597 |
notifier(Edge()).clear(); |
601 | 598 |
Parent::clear(); |
602 | 599 |
} |
603 | 600 |
|
604 | 601 |
void erase(const Edge& edge) { |
605 | 602 |
std::vector<Arc> arcs; |
606 | 603 |
arcs.push_back(Parent::direct(edge, true)); |
607 | 604 |
arcs.push_back(Parent::direct(edge, false)); |
608 | 605 |
notifier(Arc()).erase(arcs); |
609 | 606 |
notifier(Edge()).erase(edge); |
610 | 607 |
Parent::erase(edge); |
611 | 608 |
} |
612 | 609 |
|
613 | 610 |
|
614 | 611 |
EdgeSetExtender() { |
615 | 612 |
arc_notifier.setContainer(*this); |
616 | 613 |
edge_notifier.setContainer(*this); |
617 | 614 |
} |
618 | 615 |
|
619 | 616 |
~EdgeSetExtender() { |
620 | 617 |
edge_notifier.clear(); |
621 | 618 |
arc_notifier.clear(); |
622 | 619 |
} |
623 | 620 |
|
624 | 621 |
}; |
625 | 622 |
|
626 | 623 |
} |
627 | 624 |
|
628 | 625 |
#endif |
1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
2 | 2 |
* |
3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
4 | 4 |
* |
5 | 5 |
* Copyright (C) 2003-2009 |
6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_BITS_GRAPH_ADAPTOR_EXTENDER_H |
20 | 20 |
#define LEMON_BITS_GRAPH_ADAPTOR_EXTENDER_H |
21 | 21 |
|
22 | 22 |
#include <lemon/core.h> |
23 | 23 |
#include <lemon/error.h> |
24 | 24 |
|
25 | 25 |
namespace lemon { |
26 | 26 |
|
27 | 27 |
template <typename _Digraph> |
28 | 28 |
class DigraphAdaptorExtender : public _Digraph { |
29 |
typedef _Digraph Parent; |
|
30 |
|
|
29 | 31 |
public: |
30 | 32 |
|
31 |
typedef _Digraph Parent; |
|
32 | 33 |
typedef _Digraph Digraph; |
33 | 34 |
typedef DigraphAdaptorExtender Adaptor; |
34 | 35 |
|
35 | 36 |
// Base extensions |
36 | 37 |
|
37 | 38 |
typedef typename Parent::Node Node; |
38 | 39 |
typedef typename Parent::Arc Arc; |
39 | 40 |
|
40 | 41 |
int maxId(Node) const { |
41 | 42 |
return Parent::maxNodeId(); |
42 | 43 |
} |
43 | 44 |
|
44 | 45 |
int maxId(Arc) const { |
45 | 46 |
return Parent::maxArcId(); |
46 | 47 |
} |
47 | 48 |
|
48 | 49 |
Node fromId(int id, Node) const { |
49 | 50 |
return Parent::nodeFromId(id); |
50 | 51 |
} |
51 | 52 |
|
52 | 53 |
Arc fromId(int id, Arc) const { |
53 | 54 |
return Parent::arcFromId(id); |
54 | 55 |
} |
55 | 56 |
|
56 | 57 |
Node oppositeNode(const Node &n, const Arc &e) const { |
57 | 58 |
if (n == Parent::source(e)) |
58 | 59 |
return Parent::target(e); |
59 | 60 |
else if(n==Parent::target(e)) |
60 | 61 |
return Parent::source(e); |
61 | 62 |
else |
62 | 63 |
return INVALID; |
63 | 64 |
} |
64 | 65 |
|
65 | 66 |
class NodeIt : public Node { |
66 | 67 |
const Adaptor* _adaptor; |
67 | 68 |
public: |
68 | 69 |
|
69 | 70 |
NodeIt() {} |
70 | 71 |
|
71 | 72 |
NodeIt(Invalid i) : Node(i) { } |
72 | 73 |
|
73 | 74 |
explicit NodeIt(const Adaptor& adaptor) : _adaptor(&adaptor) { |
74 | 75 |
_adaptor->first(static_cast<Node&>(*this)); |
75 | 76 |
} |
76 | 77 |
|
77 | 78 |
NodeIt(const Adaptor& adaptor, const Node& node) |
78 | 79 |
: Node(node), _adaptor(&adaptor) {} |
79 | 80 |
|
80 | 81 |
NodeIt& operator++() { |
81 | 82 |
_adaptor->next(*this); |
82 | 83 |
return *this; |
83 | 84 |
} |
84 | 85 |
|
85 | 86 |
}; |
86 | 87 |
|
87 | 88 |
|
88 | 89 |
class ArcIt : public Arc { |
89 | 90 |
const Adaptor* _adaptor; |
90 | 91 |
public: |
91 | 92 |
|
92 | 93 |
ArcIt() { } |
93 | 94 |
|
94 | 95 |
ArcIt(Invalid i) : Arc(i) { } |
95 | 96 |
|
... | ... |
@@ -112,131 +113,132 @@ |
112 | 113 |
const Adaptor* _adaptor; |
113 | 114 |
public: |
114 | 115 |
|
115 | 116 |
OutArcIt() { } |
116 | 117 |
|
117 | 118 |
OutArcIt(Invalid i) : Arc(i) { } |
118 | 119 |
|
119 | 120 |
OutArcIt(const Adaptor& adaptor, const Node& node) |
120 | 121 |
: _adaptor(&adaptor) { |
121 | 122 |
_adaptor->firstOut(*this, node); |
122 | 123 |
} |
123 | 124 |
|
124 | 125 |
OutArcIt(const Adaptor& adaptor, const Arc& arc) |
125 | 126 |
: Arc(arc), _adaptor(&adaptor) {} |
126 | 127 |
|
127 | 128 |
OutArcIt& operator++() { |
128 | 129 |
_adaptor->nextOut(*this); |
129 | 130 |
return *this; |
130 | 131 |
} |
131 | 132 |
|
132 | 133 |
}; |
133 | 134 |
|
134 | 135 |
|
135 | 136 |
class InArcIt : public Arc { |
136 | 137 |
const Adaptor* _adaptor; |
137 | 138 |
public: |
138 | 139 |
|
139 | 140 |
InArcIt() { } |
140 | 141 |
|
141 | 142 |
InArcIt(Invalid i) : Arc(i) { } |
142 | 143 |
|
143 | 144 |
InArcIt(const Adaptor& adaptor, const Node& node) |
144 | 145 |
: _adaptor(&adaptor) { |
145 | 146 |
_adaptor->firstIn(*this, node); |
146 | 147 |
} |
147 | 148 |
|
148 | 149 |
InArcIt(const Adaptor& adaptor, const Arc& arc) : |
149 | 150 |
Arc(arc), _adaptor(&adaptor) {} |
150 | 151 |
|
151 | 152 |
InArcIt& operator++() { |
152 | 153 |
_adaptor->nextIn(*this); |
153 | 154 |
return *this; |
154 | 155 |
} |
155 | 156 |
|
156 | 157 |
}; |
157 | 158 |
|
158 | 159 |
Node baseNode(const OutArcIt &e) const { |
159 | 160 |
return Parent::source(e); |
160 | 161 |
} |
161 | 162 |
Node runningNode(const OutArcIt &e) const { |
162 | 163 |
return Parent::target(e); |
163 | 164 |
} |
164 | 165 |
|
165 | 166 |
Node baseNode(const InArcIt &e) const { |
166 | 167 |
return Parent::target(e); |
167 | 168 |
} |
168 | 169 |
Node runningNode(const InArcIt &e) const { |
169 | 170 |
return Parent::source(e); |
170 | 171 |
} |
171 | 172 |
|
172 | 173 |
}; |
173 | 174 |
|
174 | 175 |
template <typename _Graph> |
175 | 176 |
class GraphAdaptorExtender : public _Graph { |
177 |
typedef _Graph Parent; |
|
178 |
|
|
176 | 179 |
public: |
177 | 180 |
|
178 |
typedef _Graph Parent; |
|
179 | 181 |
typedef _Graph Graph; |
180 | 182 |
typedef GraphAdaptorExtender Adaptor; |
181 | 183 |
|
182 | 184 |
typedef typename Parent::Node Node; |
183 | 185 |
typedef typename Parent::Arc Arc; |
184 | 186 |
typedef typename Parent::Edge Edge; |
185 | 187 |
|
186 | 188 |
// Graph extension |
187 | 189 |
|
188 | 190 |
int maxId(Node) const { |
189 | 191 |
return Parent::maxNodeId(); |
190 | 192 |
} |
191 | 193 |
|
192 | 194 |
int maxId(Arc) const { |
193 | 195 |
return Parent::maxArcId(); |
194 | 196 |
} |
195 | 197 |
|
196 | 198 |
int maxId(Edge) const { |
197 | 199 |
return Parent::maxEdgeId(); |
198 | 200 |
} |
199 | 201 |
|
200 | 202 |
Node fromId(int id, Node) const { |
201 | 203 |
return Parent::nodeFromId(id); |
202 | 204 |
} |
203 | 205 |
|
204 | 206 |
Arc fromId(int id, Arc) const { |
205 | 207 |
return Parent::arcFromId(id); |
206 | 208 |
} |
207 | 209 |
|
208 | 210 |
Edge fromId(int id, Edge) const { |
209 | 211 |
return Parent::edgeFromId(id); |
210 | 212 |
} |
211 | 213 |
|
212 | 214 |
Node oppositeNode(const Node &n, const Edge &e) const { |
213 | 215 |
if( n == Parent::u(e)) |
214 | 216 |
return Parent::v(e); |
215 | 217 |
else if( n == Parent::v(e)) |
216 | 218 |
return Parent::u(e); |
217 | 219 |
else |
218 | 220 |
return INVALID; |
219 | 221 |
} |
220 | 222 |
|
221 | 223 |
Arc oppositeArc(const Arc &a) const { |
222 | 224 |
return Parent::direct(a, !Parent::direction(a)); |
223 | 225 |
} |
224 | 226 |
|
225 | 227 |
using Parent::direct; |
226 | 228 |
Arc direct(const Edge &e, const Node &s) const { |
227 | 229 |
return Parent::direct(e, Parent::u(e) == s); |
228 | 230 |
} |
229 | 231 |
|
230 | 232 |
|
231 | 233 |
class NodeIt : public Node { |
232 | 234 |
const Adaptor* _adaptor; |
233 | 235 |
public: |
234 | 236 |
|
235 | 237 |
NodeIt() {} |
236 | 238 |
|
237 | 239 |
NodeIt(Invalid i) : Node(i) { } |
238 | 240 |
|
239 | 241 |
explicit NodeIt(const Adaptor& adaptor) : _adaptor(&adaptor) { |
240 | 242 |
_adaptor->first(static_cast<Node&>(*this)); |
241 | 243 |
} |
242 | 244 |
1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
2 | 2 |
* |
3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
4 | 4 |
* |
5 | 5 |
* Copyright (C) 2003-2009 |
6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_BITS_GRAPH_EXTENDER_H |
20 | 20 |
#define LEMON_BITS_GRAPH_EXTENDER_H |
21 | 21 |
|
22 | 22 |
#include <lemon/core.h> |
23 | 23 |
|
24 | 24 |
#include <lemon/bits/map_extender.h> |
25 | 25 |
#include <lemon/bits/default_map.h> |
26 | 26 |
|
27 | 27 |
#include <lemon/concept_check.h> |
28 | 28 |
#include <lemon/concepts/maps.h> |
29 | 29 |
|
30 | 30 |
//\ingroup graphbits |
31 | 31 |
//\file |
32 | 32 |
//\brief Extenders for the graph types |
33 | 33 |
namespace lemon { |
34 | 34 |
|
35 | 35 |
// \ingroup graphbits |
36 | 36 |
// |
37 | 37 |
// \brief Extender for the digraph implementations |
38 | 38 |
template <typename Base> |
39 | 39 |
class DigraphExtender : public Base { |
40 |
typedef Base Parent; |
|
41 |
|
|
40 | 42 |
public: |
41 | 43 |
|
42 |
typedef Base Parent; |
|
43 | 44 |
typedef DigraphExtender Digraph; |
44 | 45 |
|
45 | 46 |
// Base extensions |
46 | 47 |
|
47 | 48 |
typedef typename Parent::Node Node; |
48 | 49 |
typedef typename Parent::Arc Arc; |
49 | 50 |
|
50 | 51 |
int maxId(Node) const { |
51 | 52 |
return Parent::maxNodeId(); |
52 | 53 |
} |
53 | 54 |
|
54 | 55 |
int maxId(Arc) const { |
55 | 56 |
return Parent::maxArcId(); |
56 | 57 |
} |
57 | 58 |
|
58 | 59 |
Node fromId(int id, Node) const { |
59 | 60 |
return Parent::nodeFromId(id); |
60 | 61 |
} |
61 | 62 |
|
62 | 63 |
Arc fromId(int id, Arc) const { |
63 | 64 |
return Parent::arcFromId(id); |
64 | 65 |
} |
65 | 66 |
|
66 | 67 |
Node oppositeNode(const Node &node, const Arc &arc) const { |
67 | 68 |
if (node == Parent::source(arc)) |
68 | 69 |
return Parent::target(arc); |
69 | 70 |
else if(node == Parent::target(arc)) |
70 | 71 |
return Parent::source(arc); |
71 | 72 |
else |
72 | 73 |
return INVALID; |
73 | 74 |
} |
74 | 75 |
|
75 | 76 |
// Alterable extension |
76 | 77 |
|
77 | 78 |
typedef AlterationNotifier<DigraphExtender, Node> NodeNotifier; |
78 | 79 |
typedef AlterationNotifier<DigraphExtender, Arc> ArcNotifier; |
79 | 80 |
|
80 | 81 |
|
81 | 82 |
protected: |
82 | 83 |
|
83 | 84 |
mutable NodeNotifier node_notifier; |
84 | 85 |
mutable ArcNotifier arc_notifier; |
85 | 86 |
|
86 | 87 |
public: |
87 | 88 |
|
88 | 89 |
NodeNotifier& notifier(Node) const { |
89 | 90 |
return node_notifier; |
90 | 91 |
} |
91 | 92 |
|
92 | 93 |
ArcNotifier& notifier(Arc) const { |
93 | 94 |
return arc_notifier; |
94 | 95 |
} |
95 | 96 |
|
96 | 97 |
class NodeIt : public Node { |
97 | 98 |
const Digraph* _digraph; |
98 | 99 |
public: |
99 | 100 |
|
100 | 101 |
NodeIt() {} |
101 | 102 |
|
102 | 103 |
NodeIt(Invalid i) : Node(i) { } |
103 | 104 |
|
104 | 105 |
explicit NodeIt(const Digraph& digraph) : _digraph(&digraph) { |
105 | 106 |
_digraph->first(static_cast<Node&>(*this)); |
106 | 107 |
} |
... | ... |
@@ -157,243 +158,242 @@ |
157 | 158 |
|
158 | 159 |
OutArcIt& operator++() { |
159 | 160 |
_digraph->nextOut(*this); |
160 | 161 |
return *this; |
161 | 162 |
} |
162 | 163 |
|
163 | 164 |
}; |
164 | 165 |
|
165 | 166 |
|
166 | 167 |
class InArcIt : public Arc { |
167 | 168 |
const Digraph* _digraph; |
168 | 169 |
public: |
169 | 170 |
|
170 | 171 |
InArcIt() { } |
171 | 172 |
|
172 | 173 |
InArcIt(Invalid i) : Arc(i) { } |
173 | 174 |
|
174 | 175 |
InArcIt(const Digraph& digraph, const Node& node) |
175 | 176 |
: _digraph(&digraph) { |
176 | 177 |
_digraph->firstIn(*this, node); |
177 | 178 |
} |
178 | 179 |
|
179 | 180 |
InArcIt(const Digraph& digraph, const Arc& arc) : |
180 | 181 |
Arc(arc), _digraph(&digraph) {} |
181 | 182 |
|
182 | 183 |
InArcIt& operator++() { |
183 | 184 |
_digraph->nextIn(*this); |
184 | 185 |
return *this; |
185 | 186 |
} |
186 | 187 |
|
187 | 188 |
}; |
188 | 189 |
|
189 | 190 |
// \brief Base node of the iterator |
190 | 191 |
// |
191 | 192 |
// Returns the base node (i.e. the source in this case) of the iterator |
192 | 193 |
Node baseNode(const OutArcIt &arc) const { |
193 | 194 |
return Parent::source(arc); |
194 | 195 |
} |
195 | 196 |
// \brief Running node of the iterator |
196 | 197 |
// |
197 | 198 |
// Returns the running node (i.e. the target in this case) of the |
198 | 199 |
// iterator |
199 | 200 |
Node runningNode(const OutArcIt &arc) const { |
200 | 201 |
return Parent::target(arc); |
201 | 202 |
} |
202 | 203 |
|
203 | 204 |
// \brief Base node of the iterator |
204 | 205 |
// |
205 | 206 |
// Returns the base node (i.e. the target in this case) of the iterator |
206 | 207 |
Node baseNode(const InArcIt &arc) const { |
207 | 208 |
return Parent::target(arc); |
208 | 209 |
} |
209 | 210 |
// \brief Running node of the iterator |
210 | 211 |
// |
211 | 212 |
// Returns the running node (i.e. the source in this case) of the |
212 | 213 |
// iterator |
213 | 214 |
Node runningNode(const InArcIt &arc) const { |
214 | 215 |
return Parent::source(arc); |
215 | 216 |
} |
216 | 217 |
|
217 | 218 |
|
218 | 219 |
template <typename _Value> |
219 | 220 |
class NodeMap |
220 | 221 |
: public MapExtender<DefaultMap<Digraph, Node, _Value> > { |
221 |
public: |
|
222 |
typedef DigraphExtender Digraph; |
|
223 | 222 |
typedef MapExtender<DefaultMap<Digraph, Node, _Value> > Parent; |
224 | 223 |
|
224 |
public: |
|
225 | 225 |
explicit NodeMap(const Digraph& digraph) |
226 | 226 |
: Parent(digraph) {} |
227 | 227 |
NodeMap(const Digraph& digraph, const _Value& value) |
228 | 228 |
: Parent(digraph, value) {} |
229 | 229 |
|
230 | 230 |
private: |
231 | 231 |
NodeMap& operator=(const NodeMap& cmap) { |
232 | 232 |
return operator=<NodeMap>(cmap); |
233 | 233 |
} |
234 | 234 |
|
235 | 235 |
template <typename CMap> |
236 | 236 |
NodeMap& operator=(const CMap& cmap) { |
237 | 237 |
Parent::operator=(cmap); |
238 | 238 |
return *this; |
239 | 239 |
} |
240 | 240 |
|
241 | 241 |
}; |
242 | 242 |
|
243 | 243 |
template <typename _Value> |
244 | 244 |
class ArcMap |
245 | 245 |
: public MapExtender<DefaultMap<Digraph, Arc, _Value> > { |
246 |
public: |
|
247 |
typedef DigraphExtender Digraph; |
|
248 | 246 |
typedef MapExtender<DefaultMap<Digraph, Arc, _Value> > Parent; |
249 | 247 |
|
248 |
public: |
|
250 | 249 |
explicit ArcMap(const Digraph& digraph) |
251 | 250 |
: Parent(digraph) {} |
252 | 251 |
ArcMap(const Digraph& digraph, const _Value& value) |
253 | 252 |
: Parent(digraph, value) {} |
254 | 253 |
|
255 | 254 |
private: |
256 | 255 |
ArcMap& operator=(const ArcMap& cmap) { |
257 | 256 |
return operator=<ArcMap>(cmap); |
258 | 257 |
} |
259 | 258 |
|
260 | 259 |
template <typename CMap> |
261 | 260 |
ArcMap& operator=(const CMap& cmap) { |
262 | 261 |
Parent::operator=(cmap); |
263 | 262 |
return *this; |
264 | 263 |
} |
265 | 264 |
}; |
266 | 265 |
|
267 | 266 |
|
268 | 267 |
Node addNode() { |
269 | 268 |
Node node = Parent::addNode(); |
270 | 269 |
notifier(Node()).add(node); |
271 | 270 |
return node; |
272 | 271 |
} |
273 | 272 |
|
274 | 273 |
Arc addArc(const Node& from, const Node& to) { |
275 | 274 |
Arc arc = Parent::addArc(from, to); |
276 | 275 |
notifier(Arc()).add(arc); |
277 | 276 |
return arc; |
278 | 277 |
} |
279 | 278 |
|
280 | 279 |
void clear() { |
281 | 280 |
notifier(Arc()).clear(); |
282 | 281 |
notifier(Node()).clear(); |
283 | 282 |
Parent::clear(); |
284 | 283 |
} |
285 | 284 |
|
286 | 285 |
template <typename Digraph, typename NodeRefMap, typename ArcRefMap> |
287 | 286 |
void build(const Digraph& digraph, NodeRefMap& nodeRef, ArcRefMap& arcRef) { |
288 | 287 |
Parent::build(digraph, nodeRef, arcRef); |
289 | 288 |
notifier(Node()).build(); |
290 | 289 |
notifier(Arc()).build(); |
291 | 290 |
} |
292 | 291 |
|
293 | 292 |
void erase(const Node& node) { |
294 | 293 |
Arc arc; |
295 | 294 |
Parent::firstOut(arc, node); |
296 | 295 |
while (arc != INVALID ) { |
297 | 296 |
erase(arc); |
298 | 297 |
Parent::firstOut(arc, node); |
299 | 298 |
} |
300 | 299 |
|
301 | 300 |
Parent::firstIn(arc, node); |
302 | 301 |
while (arc != INVALID ) { |
303 | 302 |
erase(arc); |
304 | 303 |
Parent::firstIn(arc, node); |
305 | 304 |
} |
306 | 305 |
|
307 | 306 |
notifier(Node()).erase(node); |
308 | 307 |
Parent::erase(node); |
309 | 308 |
} |
310 | 309 |
|
311 | 310 |
void erase(const Arc& arc) { |
312 | 311 |
notifier(Arc()).erase(arc); |
313 | 312 |
Parent::erase(arc); |
314 | 313 |
} |
315 | 314 |
|
316 | 315 |
DigraphExtender() { |
317 | 316 |
node_notifier.setContainer(*this); |
318 | 317 |
arc_notifier.setContainer(*this); |
319 | 318 |
} |
320 | 319 |
|
321 | 320 |
|
322 | 321 |
~DigraphExtender() { |
323 | 322 |
arc_notifier.clear(); |
324 | 323 |
node_notifier.clear(); |
325 | 324 |
} |
326 | 325 |
}; |
327 | 326 |
|
328 | 327 |
// \ingroup _graphbits |
329 | 328 |
// |
330 | 329 |
// \brief Extender for the Graphs |
331 | 330 |
template <typename Base> |
332 | 331 |
class GraphExtender : public Base { |
332 |
typedef Base Parent; |
|
333 |
|
|
333 | 334 |
public: |
334 | 335 |
|
335 |
typedef Base Parent; |
|
336 | 336 |
typedef GraphExtender Graph; |
337 | 337 |
|
338 | 338 |
typedef True UndirectedTag; |
339 | 339 |
|
340 | 340 |
typedef typename Parent::Node Node; |
341 | 341 |
typedef typename Parent::Arc Arc; |
342 | 342 |
typedef typename Parent::Edge Edge; |
343 | 343 |
|
344 | 344 |
// Graph extension |
345 | 345 |
|
346 | 346 |
int maxId(Node) const { |
347 | 347 |
return Parent::maxNodeId(); |
348 | 348 |
} |
349 | 349 |
|
350 | 350 |
int maxId(Arc) const { |
351 | 351 |
return Parent::maxArcId(); |
352 | 352 |
} |
353 | 353 |
|
354 | 354 |
int maxId(Edge) const { |
355 | 355 |
return Parent::maxEdgeId(); |
356 | 356 |
} |
357 | 357 |
|
358 | 358 |
Node fromId(int id, Node) const { |
359 | 359 |
return Parent::nodeFromId(id); |
360 | 360 |
} |
361 | 361 |
|
362 | 362 |
Arc fromId(int id, Arc) const { |
363 | 363 |
return Parent::arcFromId(id); |
364 | 364 |
} |
365 | 365 |
|
366 | 366 |
Edge fromId(int id, Edge) const { |
367 | 367 |
return Parent::edgeFromId(id); |
368 | 368 |
} |
369 | 369 |
|
370 | 370 |
Node oppositeNode(const Node &n, const Edge &e) const { |
371 | 371 |
if( n == Parent::u(e)) |
372 | 372 |
return Parent::v(e); |
373 | 373 |
else if( n == Parent::v(e)) |
374 | 374 |
return Parent::u(e); |
375 | 375 |
else |
376 | 376 |
return INVALID; |
377 | 377 |
} |
378 | 378 |
|
379 | 379 |
Arc oppositeArc(const Arc &arc) const { |
380 | 380 |
return Parent::direct(arc, !Parent::direction(arc)); |
381 | 381 |
} |
382 | 382 |
|
383 | 383 |
using Parent::direct; |
384 | 384 |
Arc direct(const Edge &edge, const Node &node) const { |
385 | 385 |
return Parent::direct(edge, Parent::u(edge) == node); |
386 | 386 |
} |
387 | 387 |
|
388 | 388 |
// Alterable extension |
389 | 389 |
|
390 | 390 |
typedef AlterationNotifier<GraphExtender, Node> NodeNotifier; |
391 | 391 |
typedef AlterationNotifier<GraphExtender, Arc> ArcNotifier; |
392 | 392 |
typedef AlterationNotifier<GraphExtender, Edge> EdgeNotifier; |
393 | 393 |
|
394 | 394 |
|
395 | 395 |
protected: |
396 | 396 |
|
397 | 397 |
mutable NodeNotifier node_notifier; |
398 | 398 |
mutable ArcNotifier arc_notifier; |
399 | 399 |
mutable EdgeNotifier edge_notifier; |
... | ... |
@@ -540,182 +540,179 @@ |
540 | 540 |
|
541 | 541 |
IncEdgeIt(Invalid i) : Edge(i), _direction(false) { } |
542 | 542 |
|
543 | 543 |
IncEdgeIt(const Graph& graph, const Node &node) : _graph(&graph) { |
544 | 544 |
_graph->firstInc(*this, _direction, node); |
545 | 545 |
} |
546 | 546 |
|
547 | 547 |
IncEdgeIt(const Graph& graph, const Edge &edge, const Node &node) |
548 | 548 |
: _graph(&graph), Edge(edge) { |
549 | 549 |
_direction = (_graph->source(edge) == node); |
550 | 550 |
} |
551 | 551 |
|
552 | 552 |
IncEdgeIt& operator++() { |
553 | 553 |
_graph->nextInc(*this, _direction); |
554 | 554 |
return *this; |
555 | 555 |
} |
556 | 556 |
}; |
557 | 557 |
|
558 | 558 |
// \brief Base node of the iterator |
559 | 559 |
// |
560 | 560 |
// Returns the base node (ie. the source in this case) of the iterator |
561 | 561 |
Node baseNode(const OutArcIt &arc) const { |
562 | 562 |
return Parent::source(static_cast<const Arc&>(arc)); |
563 | 563 |
} |
564 | 564 |
// \brief Running node of the iterator |
565 | 565 |
// |
566 | 566 |
// Returns the running node (ie. the target in this case) of the |
567 | 567 |
// iterator |
568 | 568 |
Node runningNode(const OutArcIt &arc) const { |
569 | 569 |
return Parent::target(static_cast<const Arc&>(arc)); |
570 | 570 |
} |
571 | 571 |
|
572 | 572 |
// \brief Base node of the iterator |
573 | 573 |
// |
574 | 574 |
// Returns the base node (ie. the target in this case) of the iterator |
575 | 575 |
Node baseNode(const InArcIt &arc) const { |
576 | 576 |
return Parent::target(static_cast<const Arc&>(arc)); |
577 | 577 |
} |
578 | 578 |
// \brief Running node of the iterator |
579 | 579 |
// |
580 | 580 |
// Returns the running node (ie. the source in this case) of the |
581 | 581 |
// iterator |
582 | 582 |
Node runningNode(const InArcIt &arc) const { |
583 | 583 |
return Parent::source(static_cast<const Arc&>(arc)); |
584 | 584 |
} |
585 | 585 |
|
586 | 586 |
// Base node of the iterator |
587 | 587 |
// |
588 | 588 |
// Returns the base node of the iterator |
589 | 589 |
Node baseNode(const IncEdgeIt &edge) const { |
590 | 590 |
return edge._direction ? u(edge) : v(edge); |
591 | 591 |
} |
592 | 592 |
// Running node of the iterator |
593 | 593 |
// |
594 | 594 |
// Returns the running node of the iterator |
595 | 595 |
Node runningNode(const IncEdgeIt &edge) const { |
596 | 596 |
return edge._direction ? v(edge) : u(edge); |
597 | 597 |
} |
598 | 598 |
|
599 | 599 |
// Mappable extension |
600 | 600 |
|
601 | 601 |
template <typename _Value> |
602 | 602 |
class NodeMap |
603 | 603 |
: public MapExtender<DefaultMap<Graph, Node, _Value> > { |
604 |
public: |
|
605 |
typedef GraphExtender Graph; |
|
606 | 604 |
typedef MapExtender<DefaultMap<Graph, Node, _Value> > Parent; |
607 | 605 |
|
606 |
public: |
|
608 | 607 |
NodeMap(const Graph& graph) |
609 | 608 |
: Parent(graph) {} |
610 | 609 |
NodeMap(const Graph& graph, const _Value& value) |
611 | 610 |
: Parent(graph, value) {} |
612 | 611 |
|
613 | 612 |
private: |
614 | 613 |
NodeMap& operator=(const NodeMap& cmap) { |
615 | 614 |
return operator=<NodeMap>(cmap); |
616 | 615 |
} |
617 | 616 |
|
618 | 617 |
template <typename CMap> |
619 | 618 |
NodeMap& operator=(const CMap& cmap) { |
620 | 619 |
Parent::operator=(cmap); |
621 | 620 |
return *this; |
622 | 621 |
} |
623 | 622 |
|
624 | 623 |
}; |
625 | 624 |
|
626 | 625 |
template <typename _Value> |
627 | 626 |
class ArcMap |
628 | 627 |
: public MapExtender<DefaultMap<Graph, Arc, _Value> > { |
629 |
public: |
|
630 |
typedef GraphExtender Graph; |
|
631 | 628 |
typedef MapExtender<DefaultMap<Graph, Arc, _Value> > Parent; |
632 | 629 |
|
630 |
public: |
|
633 | 631 |
ArcMap(const Graph& graph) |
634 | 632 |
: Parent(graph) {} |
635 | 633 |
ArcMap(const Graph& graph, const _Value& value) |
636 | 634 |
: Parent(graph, value) {} |
637 | 635 |
|
638 | 636 |
private: |
639 | 637 |
ArcMap& operator=(const ArcMap& cmap) { |
640 | 638 |
return operator=<ArcMap>(cmap); |
641 | 639 |
} |
642 | 640 |
|
643 | 641 |
template <typename CMap> |
644 | 642 |
ArcMap& operator=(const CMap& cmap) { |
645 | 643 |
Parent::operator=(cmap); |
646 | 644 |
return *this; |
647 | 645 |
} |
648 | 646 |
}; |
649 | 647 |
|
650 | 648 |
|
651 | 649 |
template <typename _Value> |
652 | 650 |
class EdgeMap |
653 | 651 |
: public MapExtender<DefaultMap<Graph, Edge, _Value> > { |
654 |
public: |
|
655 |
typedef GraphExtender Graph; |
|
656 | 652 |
typedef MapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
657 | 653 |
|
654 |
public: |
|
658 | 655 |
EdgeMap(const Graph& graph) |
659 | 656 |
: Parent(graph) {} |
660 | 657 |
|
661 | 658 |
EdgeMap(const Graph& graph, const _Value& value) |
662 | 659 |
: Parent(graph, value) {} |
663 | 660 |
|
664 | 661 |
private: |
665 | 662 |
EdgeMap& operator=(const EdgeMap& cmap) { |
666 | 663 |
return operator=<EdgeMap>(cmap); |
667 | 664 |
} |
668 | 665 |
|
669 | 666 |
template <typename CMap> |
670 | 667 |
EdgeMap& operator=(const CMap& cmap) { |
671 | 668 |
Parent::operator=(cmap); |
672 | 669 |
return *this; |
673 | 670 |
} |
674 | 671 |
|
675 | 672 |
}; |
676 | 673 |
|
677 | 674 |
// Alteration extension |
678 | 675 |
|
679 | 676 |
Node addNode() { |
680 | 677 |
Node node = Parent::addNode(); |
681 | 678 |
notifier(Node()).add(node); |
682 | 679 |
return node; |
683 | 680 |
} |
684 | 681 |
|
685 | 682 |
Edge addEdge(const Node& from, const Node& to) { |
686 | 683 |
Edge edge = Parent::addEdge(from, to); |
687 | 684 |
notifier(Edge()).add(edge); |
688 | 685 |
std::vector<Arc> ev; |
689 | 686 |
ev.push_back(Parent::direct(edge, true)); |
690 | 687 |
ev.push_back(Parent::direct(edge, false)); |
691 | 688 |
notifier(Arc()).add(ev); |
692 | 689 |
return edge; |
693 | 690 |
} |
694 | 691 |
|
695 | 692 |
void clear() { |
696 | 693 |
notifier(Arc()).clear(); |
697 | 694 |
notifier(Edge()).clear(); |
698 | 695 |
notifier(Node()).clear(); |
699 | 696 |
Parent::clear(); |
700 | 697 |
} |
701 | 698 |
|
702 | 699 |
template <typename Graph, typename NodeRefMap, typename EdgeRefMap> |
703 | 700 |
void build(const Graph& graph, NodeRefMap& nodeRef, |
704 | 701 |
EdgeRefMap& edgeRef) { |
705 | 702 |
Parent::build(graph, nodeRef, edgeRef); |
706 | 703 |
notifier(Node()).build(); |
707 | 704 |
notifier(Edge()).build(); |
708 | 705 |
notifier(Arc()).build(); |
709 | 706 |
} |
710 | 707 |
|
711 | 708 |
void erase(const Node& node) { |
712 | 709 |
Arc arc; |
713 | 710 |
Parent::firstOut(arc, node); |
714 | 711 |
while (arc != INVALID ) { |
715 | 712 |
erase(arc); |
716 | 713 |
Parent::firstOut(arc, node); |
717 | 714 |
} |
718 | 715 |
|
719 | 716 |
Parent::firstIn(arc, node); |
720 | 717 |
while (arc != INVALID ) { |
721 | 718 |
erase(arc); |
1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
2 | 2 |
* |
3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
4 | 4 |
* |
5 | 5 |
* Copyright (C) 2003-2009 |
6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_BITS_MAP_EXTENDER_H |
20 | 20 |
#define LEMON_BITS_MAP_EXTENDER_H |
21 | 21 |
|
22 | 22 |
#include <iterator> |
23 | 23 |
|
24 | 24 |
#include <lemon/bits/traits.h> |
25 | 25 |
|
26 | 26 |
#include <lemon/concept_check.h> |
27 | 27 |
#include <lemon/concepts/maps.h> |
28 | 28 |
|
29 | 29 |
//\file |
30 | 30 |
//\brief Extenders for iterable maps. |
31 | 31 |
|
32 | 32 |
namespace lemon { |
33 | 33 |
|
34 | 34 |
// \ingroup graphbits |
35 | 35 |
// |
36 | 36 |
// \brief Extender for maps |
37 | 37 |
template <typename _Map> |
38 | 38 |
class MapExtender : public _Map { |
39 |
typedef _Map Parent; |
|
40 |
typedef typename Parent::GraphType GraphType; |
|
41 |
|
|
39 | 42 |
public: |
40 | 43 |
|
41 |
typedef _Map Parent; |
|
42 | 44 |
typedef MapExtender Map; |
43 |
|
|
44 |
|
|
45 |
typedef typename Parent::Graph Graph; |
|
46 | 45 |
typedef typename Parent::Key Item; |
47 | 46 |
|
48 | 47 |
typedef typename Parent::Key Key; |
49 | 48 |
typedef typename Parent::Value Value; |
50 | 49 |
typedef typename Parent::Reference Reference; |
51 | 50 |
typedef typename Parent::ConstReference ConstReference; |
52 | 51 |
|
53 | 52 |
class MapIt; |
54 | 53 |
class ConstMapIt; |
55 | 54 |
|
56 | 55 |
friend class MapIt; |
57 | 56 |
friend class ConstMapIt; |
58 | 57 |
|
59 | 58 |
public: |
60 | 59 |
|
61 |
MapExtender(const |
|
60 |
MapExtender(const GraphType& graph) |
|
62 | 61 |
: Parent(graph) {} |
63 | 62 |
|
64 |
MapExtender(const |
|
63 |
MapExtender(const GraphType& graph, const Value& value) |
|
65 | 64 |
: Parent(graph, value) {} |
66 | 65 |
|
67 | 66 |
private: |
68 | 67 |
MapExtender& operator=(const MapExtender& cmap) { |
69 | 68 |
return operator=<MapExtender>(cmap); |
70 | 69 |
} |
71 | 70 |
|
72 | 71 |
template <typename CMap> |
73 | 72 |
MapExtender& operator=(const CMap& cmap) { |
74 | 73 |
Parent::operator=(cmap); |
75 | 74 |
return *this; |
76 | 75 |
} |
77 | 76 |
|
78 | 77 |
public: |
79 | 78 |
class MapIt : public Item { |
79 |
typedef Item Parent; |
|
80 |
|
|
80 | 81 |
public: |
81 | 82 |
|
82 |
typedef Item Parent; |
|
83 | 83 |
typedef typename Map::Value Value; |
84 | 84 |
|
85 | 85 |
MapIt() {} |
86 | 86 |
|
87 | 87 |
MapIt(Invalid i) : Parent(i) { } |
88 | 88 |
|
89 | 89 |
explicit MapIt(Map& _map) : map(_map) { |
90 | 90 |
map.notifier()->first(*this); |
91 | 91 |
} |
92 | 92 |
|
93 | 93 |
MapIt(const Map& _map, const Item& item) |
94 | 94 |
: Parent(item), map(_map) {} |
95 | 95 |
|
96 | 96 |
MapIt& operator++() { |
97 | 97 |
map.notifier()->next(*this); |
98 | 98 |
return *this; |
99 | 99 |
} |
100 | 100 |
|
101 | 101 |
typename MapTraits<Map>::ConstReturnValue operator*() const { |
102 | 102 |
return map[*this]; |
103 | 103 |
} |
104 | 104 |
|
105 | 105 |
typename MapTraits<Map>::ReturnValue operator*() { |
106 | 106 |
return map[*this]; |
107 | 107 |
} |
108 | 108 |
|
109 | 109 |
void set(const Value& value) { |
110 | 110 |
map.set(*this, value); |
111 | 111 |
} |
112 | 112 |
|
113 | 113 |
protected: |
114 | 114 |
Map& map; |
115 | 115 |
|
116 | 116 |
}; |
117 | 117 |
|
118 | 118 |
class ConstMapIt : public Item { |
119 |
typedef Item Parent; |
|
120 |
|
|
119 | 121 |
public: |
120 | 122 |
|
121 |
typedef Item Parent; |
|
122 |
|
|
123 | 123 |
typedef typename Map::Value Value; |
124 | 124 |
|
125 | 125 |
ConstMapIt() {} |
126 | 126 |
|
127 | 127 |
ConstMapIt(Invalid i) : Parent(i) { } |
128 | 128 |
|
129 | 129 |
explicit ConstMapIt(Map& _map) : map(_map) { |
130 | 130 |
map.notifier()->first(*this); |
131 | 131 |
} |
132 | 132 |
|
133 | 133 |
ConstMapIt(const Map& _map, const Item& item) |
134 | 134 |
: Parent(item), map(_map) {} |
135 | 135 |
|
136 | 136 |
ConstMapIt& operator++() { |
137 | 137 |
map.notifier()->next(*this); |
138 | 138 |
return *this; |
139 | 139 |
} |
140 | 140 |
|
141 | 141 |
typename MapTraits<Map>::ConstReturnValue operator*() const { |
142 | 142 |
return map[*this]; |
143 | 143 |
} |
144 | 144 |
|
145 | 145 |
protected: |
146 | 146 |
const Map& map; |
147 | 147 |
}; |
148 | 148 |
|
149 | 149 |
class ItemIt : public Item { |
150 |
typedef Item Parent; |
|
151 |
|
|
150 | 152 |
public: |
151 | 153 |
|
152 |
typedef Item Parent; |
|
153 |
|
|
154 | 154 |
ItemIt() {} |
155 | 155 |
|
156 | 156 |
ItemIt(Invalid i) : Parent(i) { } |
157 | 157 |
|
158 | 158 |
explicit ItemIt(Map& _map) : map(_map) { |
159 | 159 |
map.notifier()->first(*this); |
160 | 160 |
} |
161 | 161 |
|
162 | 162 |
ItemIt(const Map& _map, const Item& item) |
163 | 163 |
: Parent(item), map(_map) {} |
164 | 164 |
|
165 | 165 |
ItemIt& operator++() { |
166 | 166 |
map.notifier()->next(*this); |
167 | 167 |
return *this; |
168 | 168 |
} |
169 | 169 |
|
170 | 170 |
protected: |
171 | 171 |
const Map& map; |
172 | 172 |
|
173 | 173 |
}; |
174 | 174 |
}; |
175 | 175 |
|
176 | 176 |
// \ingroup graphbits |
177 | 177 |
// |
178 | 178 |
// \brief Extender for maps which use a subset of the items. |
179 | 179 |
template <typename _Graph, typename _Map> |
180 | 180 |
class SubMapExtender : public _Map { |
181 |
typedef _Map Parent; |
|
182 |
typedef _Graph GraphType; |
|
183 |
|
|
181 | 184 |
public: |
182 | 185 |
|
183 |
typedef _Map Parent; |
|
184 | 186 |
typedef SubMapExtender Map; |
185 |
|
|
186 |
typedef _Graph Graph; |
|
187 |
|
|
188 | 187 |
typedef typename Parent::Key Item; |
189 | 188 |
|
190 | 189 |
typedef typename Parent::Key Key; |
191 | 190 |
typedef typename Parent::Value Value; |
192 | 191 |
typedef typename Parent::Reference Reference; |
193 | 192 |
typedef typename Parent::ConstReference ConstReference; |
194 | 193 |
|
195 | 194 |
class MapIt; |
196 | 195 |
class ConstMapIt; |
197 | 196 |
|
198 | 197 |
friend class MapIt; |
199 | 198 |
friend class ConstMapIt; |
200 | 199 |
|
201 | 200 |
public: |
202 | 201 |
|
203 |
SubMapExtender(const |
|
202 |
SubMapExtender(const GraphType& _graph) |
|
204 | 203 |
: Parent(_graph), graph(_graph) {} |
205 | 204 |
|
206 |
SubMapExtender(const |
|
205 |
SubMapExtender(const GraphType& _graph, const Value& _value) |
|
207 | 206 |
: Parent(_graph, _value), graph(_graph) {} |
208 | 207 |
|
209 | 208 |
private: |
210 | 209 |
SubMapExtender& operator=(const SubMapExtender& cmap) { |
211 | 210 |
return operator=<MapExtender>(cmap); |
212 | 211 |
} |
213 | 212 |
|
214 | 213 |
template <typename CMap> |
215 | 214 |
SubMapExtender& operator=(const CMap& cmap) { |
216 | 215 |
checkConcept<concepts::ReadMap<Key, Value>, CMap>(); |
217 | 216 |
Item it; |
218 | 217 |
for (graph.first(it); it != INVALID; graph.next(it)) { |
219 | 218 |
Parent::set(it, cmap[it]); |
220 | 219 |
} |
221 | 220 |
return *this; |
222 | 221 |
} |
223 | 222 |
|
224 | 223 |
public: |
225 | 224 |
class MapIt : public Item { |
225 |
typedef Item Parent; |
|
226 |
|
|
226 | 227 |
public: |
227 |
|
|
228 |
typedef Item Parent; |
|
229 | 228 |
typedef typename Map::Value Value; |
230 | 229 |
|
231 | 230 |
MapIt() {} |
232 | 231 |
|
233 | 232 |
MapIt(Invalid i) : Parent(i) { } |
234 | 233 |
|
235 | 234 |
explicit MapIt(Map& _map) : map(_map) { |
236 | 235 |
map.graph.first(*this); |
237 | 236 |
} |
238 | 237 |
|
239 | 238 |
MapIt(const Map& _map, const Item& item) |
240 | 239 |
: Parent(item), map(_map) {} |
241 | 240 |
|
242 | 241 |
MapIt& operator++() { |
243 | 242 |
map.graph.next(*this); |
244 | 243 |
return *this; |
245 | 244 |
} |
246 | 245 |
|
247 | 246 |
typename MapTraits<Map>::ConstReturnValue operator*() const { |
248 | 247 |
return map[*this]; |
249 | 248 |
} |
250 | 249 |
|
251 | 250 |
typename MapTraits<Map>::ReturnValue operator*() { |
252 | 251 |
return map[*this]; |
253 | 252 |
} |
254 | 253 |
|
255 | 254 |
void set(const Value& value) { |
256 | 255 |
map.set(*this, value); |
257 | 256 |
} |
258 | 257 |
|
259 | 258 |
protected: |
260 | 259 |
Map& map; |
261 | 260 |
|
262 | 261 |
}; |
263 | 262 |
|
264 | 263 |
class ConstMapIt : public Item { |
264 |
typedef Item Parent; |
|
265 |
|
|
265 | 266 |
public: |
266 | 267 |
|
267 |
typedef Item Parent; |
|
268 |
|
|
269 | 268 |
typedef typename Map::Value Value; |
270 | 269 |
|
271 | 270 |
ConstMapIt() {} |
272 | 271 |
|
273 | 272 |
ConstMapIt(Invalid i) : Parent(i) { } |
274 | 273 |
|
275 | 274 |
explicit ConstMapIt(Map& _map) : map(_map) { |
276 | 275 |
map.graph.first(*this); |
277 | 276 |
} |
278 | 277 |
|
279 | 278 |
ConstMapIt(const Map& _map, const Item& item) |
280 | 279 |
: Parent(item), map(_map) {} |
281 | 280 |
|
282 | 281 |
ConstMapIt& operator++() { |
283 | 282 |
map.graph.next(*this); |
284 | 283 |
return *this; |
285 | 284 |
} |
286 | 285 |
|
287 | 286 |
typename MapTraits<Map>::ConstReturnValue operator*() const { |
288 | 287 |
return map[*this]; |
289 | 288 |
} |
290 | 289 |
|
291 | 290 |
protected: |
292 | 291 |
const Map& map; |
293 | 292 |
}; |
294 | 293 |
|
295 | 294 |
class ItemIt : public Item { |
295 |
typedef Item Parent; |
|
296 |
|
|
296 | 297 |
public: |
297 | 298 |
|
298 |
typedef Item Parent; |
|
299 |
|
|
300 | 299 |
ItemIt() {} |
301 | 300 |
|
302 | 301 |
ItemIt(Invalid i) : Parent(i) { } |
303 | 302 |
|
304 | 303 |
explicit ItemIt(Map& _map) : map(_map) { |
305 | 304 |
map.graph.first(*this); |
306 | 305 |
} |
307 | 306 |
|
308 | 307 |
ItemIt(const Map& _map, const Item& item) |
309 | 308 |
: Parent(item), map(_map) {} |
310 | 309 |
|
311 | 310 |
ItemIt& operator++() { |
312 | 311 |
map.graph.next(*this); |
313 | 312 |
return *this; |
314 | 313 |
} |
315 | 314 |
|
316 | 315 |
protected: |
317 | 316 |
const Map& map; |
318 | 317 |
|
319 | 318 |
}; |
320 | 319 |
|
321 | 320 |
private: |
322 | 321 |
|
323 |
const |
|
322 |
const GraphType& graph; |
|
324 | 323 |
|
325 | 324 |
}; |
326 | 325 |
|
327 | 326 |
} |
328 | 327 |
|
329 | 328 |
#endif |
1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
2 | 2 |
* |
3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
4 | 4 |
* |
5 | 5 |
* Copyright (C) 2003-2009 |
6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_BITS_VECTOR_MAP_H |
20 | 20 |
#define LEMON_BITS_VECTOR_MAP_H |
21 | 21 |
|
22 | 22 |
#include <vector> |
23 | 23 |
#include <algorithm> |
24 | 24 |
|
25 | 25 |
#include <lemon/core.h> |
26 | 26 |
#include <lemon/bits/alteration_notifier.h> |
27 | 27 |
|
28 | 28 |
#include <lemon/concept_check.h> |
29 | 29 |
#include <lemon/concepts/maps.h> |
30 | 30 |
|
31 | 31 |
//\ingroup graphbits |
32 | 32 |
// |
33 | 33 |
//\file |
34 | 34 |
//\brief Vector based graph maps. |
35 | 35 |
namespace lemon { |
36 | 36 |
|
37 | 37 |
// \ingroup graphbits |
38 | 38 |
// |
39 | 39 |
// \brief Graph map based on the std::vector storage. |
40 | 40 |
// |
41 | 41 |
// The VectorMap template class is graph map structure that automatically |
42 | 42 |
// updates the map when a key is added to or erased from the graph. |
43 | 43 |
// This map type uses std::vector to store the values. |
44 | 44 |
// |
45 | 45 |
// \tparam _Graph The graph this map is attached to. |
46 | 46 |
// \tparam _Item The item type of the graph items. |
47 | 47 |
// \tparam _Value The value type of the map. |
48 | 48 |
template <typename _Graph, typename _Item, typename _Value> |
49 | 49 |
class VectorMap |
50 | 50 |
: public ItemSetTraits<_Graph, _Item>::ItemNotifier::ObserverBase { |
51 | 51 |
private: |
52 | 52 |
|
53 | 53 |
// The container type of the map. |
54 | 54 |
typedef std::vector<_Value> Container; |
55 | 55 |
|
56 | 56 |
public: |
57 | 57 |
|
58 | 58 |
// The graph type of the map. |
59 |
typedef _Graph |
|
59 |
typedef _Graph GraphType; |
|
60 | 60 |
// The item type of the map. |
61 | 61 |
typedef _Item Item; |
62 | 62 |
// The reference map tag. |
63 | 63 |
typedef True ReferenceMapTag; |
64 | 64 |
|
65 | 65 |
// The key type of the map. |
66 | 66 |
typedef _Item Key; |
67 | 67 |
// The value type of the map. |
68 | 68 |
typedef _Value Value; |
69 | 69 |
|
70 | 70 |
// The notifier type. |
71 | 71 |
typedef typename ItemSetTraits<_Graph, _Item>::ItemNotifier Notifier; |
72 | 72 |
|
73 | 73 |
// The map type. |
74 | 74 |
typedef VectorMap Map; |
75 |
// The base class of the map. |
|
76 |
typedef typename Notifier::ObserverBase Parent; |
|
77 | 75 |
|
78 | 76 |
// The reference type of the map; |
79 | 77 |
typedef typename Container::reference Reference; |
80 | 78 |
// The const reference type of the map; |
81 | 79 |
typedef typename Container::const_reference ConstReference; |
82 | 80 |
|
81 |
private: |
|
82 |
|
|
83 |
// The base class of the map. |
|
84 |
typedef typename Notifier::ObserverBase Parent; |
|
85 |
|
|
86 |
public: |
|
83 | 87 |
|
84 | 88 |
// \brief Constructor to attach the new map into the notifier. |
85 | 89 |
// |
86 | 90 |
// It constructs a map and attachs it into the notifier. |
87 | 91 |
// It adds all the items of the graph to the map. |
88 |
VectorMap(const |
|
92 |
VectorMap(const GraphType& graph) { |
|
89 | 93 |
Parent::attach(graph.notifier(Item())); |
90 | 94 |
container.resize(Parent::notifier()->maxId() + 1); |
91 | 95 |
} |
92 | 96 |
|
93 | 97 |
// \brief Constructor uses given value to initialize the map. |
94 | 98 |
// |
95 | 99 |
// It constructs a map uses a given value to initialize the map. |
96 | 100 |
// It adds all the items of the graph to the map. |
97 |
VectorMap(const |
|
101 |
VectorMap(const GraphType& graph, const Value& value) { |
|
98 | 102 |
Parent::attach(graph.notifier(Item())); |
99 | 103 |
container.resize(Parent::notifier()->maxId() + 1, value); |
100 | 104 |
} |
101 | 105 |
|
102 | 106 |
private: |
103 | 107 |
// \brief Copy constructor |
104 | 108 |
// |
105 | 109 |
// Copy constructor. |
106 | 110 |
VectorMap(const VectorMap& _copy) : Parent() { |
107 | 111 |
if (_copy.attached()) { |
108 | 112 |
Parent::attach(*_copy.notifier()); |
109 | 113 |
container = _copy.container; |
110 | 114 |
} |
111 | 115 |
} |
112 | 116 |
|
113 | 117 |
// \brief Assign operator. |
114 | 118 |
// |
115 | 119 |
// This operator assigns for each item in the map the |
116 | 120 |
// value mapped to the same item in the copied map. |
117 | 121 |
// The parameter map should be indiced with the same |
118 | 122 |
// itemset because this assign operator does not change |
119 | 123 |
// the container of the map. |
120 | 124 |
VectorMap& operator=(const VectorMap& cmap) { |
121 | 125 |
return operator=<VectorMap>(cmap); |
122 | 126 |
} |
123 | 127 |
|
124 | 128 |
|
125 | 129 |
// \brief Template assign operator. |
126 | 130 |
// |
127 | 131 |
// The given parameter should conform to the ReadMap |
128 | 132 |
// concecpt and could be indiced by the current item set of |
129 | 133 |
// the NodeMap. In this case the value for each item |
130 | 134 |
// is assigned by the value of the given ReadMap. |
131 | 135 |
template <typename CMap> |
132 | 136 |
VectorMap& operator=(const CMap& cmap) { |
133 | 137 |
checkConcept<concepts::ReadMap<Key, _Value>, CMap>(); |
134 | 138 |
const typename Parent::Notifier* nf = Parent::notifier(); |
135 | 139 |
Item it; |
136 | 140 |
for (nf->first(it); it != INVALID; nf->next(it)) { |
137 | 141 |
set(it, cmap[it]); |
138 | 142 |
} |
139 | 143 |
return *this; |
140 | 144 |
} |
141 | 145 |
|
142 | 146 |
public: |
143 | 147 |
|
144 | 148 |
// \brief The subcript operator. |
145 | 149 |
// |
146 | 150 |
// The subscript operator. The map can be subscripted by the |
147 | 151 |
// actual items of the graph. |
148 | 152 |
Reference operator[](const Key& key) { |
149 | 153 |
return container[Parent::notifier()->id(key)]; |
150 | 154 |
} |
151 | 155 |
|
152 | 156 |
// \brief The const subcript operator. |
153 | 157 |
// |
154 | 158 |
// The const subscript operator. The map can be subscripted by the |
155 | 159 |
// actual items of the graph. |
156 | 160 |
ConstReference operator[](const Key& key) const { |
157 | 161 |
return container[Parent::notifier()->id(key)]; |
158 | 162 |
} |
159 | 163 |
|
160 | 164 |
|
161 | 165 |
// \brief The setter function of the map. |
... | ... |
@@ -119,140 +119,143 @@ |
119 | 119 |
/// It just provides types for nodes and arcs and functions |
120 | 120 |
/// to get the source and the target nodes of arcs. |
121 | 121 |
class BaseDigraphComponent { |
122 | 122 |
public: |
123 | 123 |
|
124 | 124 |
typedef BaseDigraphComponent Digraph; |
125 | 125 |
|
126 | 126 |
/// \brief Node class of the digraph. |
127 | 127 |
/// |
128 | 128 |
/// This class represents the nodes of the digraph. |
129 | 129 |
typedef GraphItem<'n'> Node; |
130 | 130 |
|
131 | 131 |
/// \brief Arc class of the digraph. |
132 | 132 |
/// |
133 | 133 |
/// This class represents the arcs of the digraph. |
134 | 134 |
typedef GraphItem<'a'> Arc; |
135 | 135 |
|
136 | 136 |
/// \brief Return the source node of an arc. |
137 | 137 |
/// |
138 | 138 |
/// This function returns the source node of an arc. |
139 | 139 |
Node source(const Arc&) const { return INVALID; } |
140 | 140 |
|
141 | 141 |
/// \brief Return the target node of an arc. |
142 | 142 |
/// |
143 | 143 |
/// This function returns the target node of an arc. |
144 | 144 |
Node target(const Arc&) const { return INVALID; } |
145 | 145 |
|
146 | 146 |
/// \brief Return the opposite node on the given arc. |
147 | 147 |
/// |
148 | 148 |
/// This function returns the opposite node on the given arc. |
149 | 149 |
Node oppositeNode(const Node&, const Arc&) const { |
150 | 150 |
return INVALID; |
151 | 151 |
} |
152 | 152 |
|
153 | 153 |
template <typename _Digraph> |
154 | 154 |
struct Constraints { |
155 | 155 |
typedef typename _Digraph::Node Node; |
156 | 156 |
typedef typename _Digraph::Arc Arc; |
157 | 157 |
|
158 | 158 |
void constraints() { |
159 | 159 |
checkConcept<GraphItem<'n'>, Node>(); |
160 | 160 |
checkConcept<GraphItem<'a'>, Arc>(); |
161 | 161 |
{ |
162 | 162 |
Node n; |
163 | 163 |
Arc e(INVALID); |
164 | 164 |
n = digraph.source(e); |
165 | 165 |
n = digraph.target(e); |
166 | 166 |
n = digraph.oppositeNode(n, e); |
167 | 167 |
} |
168 | 168 |
} |
169 | 169 |
|
170 | 170 |
const _Digraph& digraph; |
171 | 171 |
}; |
172 | 172 |
}; |
173 | 173 |
|
174 | 174 |
/// \brief Base skeleton class for undirected graphs. |
175 | 175 |
/// |
176 | 176 |
/// This class describes the base interface of undirected graph types. |
177 | 177 |
/// All graph %concepts have to conform to this class. |
178 | 178 |
/// It extends the interface of \ref BaseDigraphComponent with an |
179 | 179 |
/// \c Edge type and functions to get the end nodes of edges, |
180 | 180 |
/// to convert from arcs to edges and to get both direction of edges. |
181 | 181 |
class BaseGraphComponent : public BaseDigraphComponent { |
182 | 182 |
public: |
183 |
|
|
184 |
typedef BaseGraphComponent Graph; |
|
185 |
|
|
183 | 186 |
typedef BaseDigraphComponent::Node Node; |
184 | 187 |
typedef BaseDigraphComponent::Arc Arc; |
185 | 188 |
|
186 | 189 |
/// \brief Undirected edge class of the graph. |
187 | 190 |
/// |
188 | 191 |
/// This class represents the undirected edges of the graph. |
189 | 192 |
/// Undirected graphs can be used as directed graphs, each edge is |
190 | 193 |
/// represented by two opposite directed arcs. |
191 | 194 |
class Edge : public GraphItem<'e'> { |
192 |
public: |
|
193 | 195 |
typedef GraphItem<'e'> Parent; |
194 | 196 |
|
197 |
public: |
|
195 | 198 |
/// \brief Default constructor. |
196 | 199 |
/// |
197 | 200 |
/// Default constructor. |
198 | 201 |
/// \warning The default constructor is not required to set |
199 | 202 |
/// the item to some well-defined value. So you should consider it |
200 | 203 |
/// as uninitialized. |
201 | 204 |
Edge() {} |
202 | 205 |
|
203 | 206 |
/// \brief Copy constructor. |
204 | 207 |
/// |
205 | 208 |
/// Copy constructor. |
206 | 209 |
Edge(const Edge &) : Parent() {} |
207 | 210 |
|
208 | 211 |
/// \brief Constructor for conversion from \c INVALID. |
209 | 212 |
/// |
210 | 213 |
/// Constructor for conversion from \c INVALID. |
211 | 214 |
/// It initializes the item to be invalid. |
212 | 215 |
/// \sa Invalid for more details. |
213 | 216 |
Edge(Invalid) {} |
214 | 217 |
|
215 | 218 |
/// \brief Constructor for conversion from an arc. |
216 | 219 |
/// |
217 | 220 |
/// Constructor for conversion from an arc. |
218 | 221 |
/// Besides the core graph item functionality each arc should |
219 | 222 |
/// be convertible to the represented edge. |
220 | 223 |
Edge(const Arc&) {} |
221 | 224 |
|
222 | 225 |
/// \brief Assign an arc to an edge. |
223 | 226 |
/// |
224 | 227 |
/// This function assigns an arc to an edge. |
225 | 228 |
/// Besides the core graph item functionality each arc should |
226 | 229 |
/// be convertible to the represented edge. |
227 | 230 |
Edge& operator=(const Arc&) { return *this; } |
228 | 231 |
}; |
229 | 232 |
|
230 | 233 |
/// \brief Return one end node of an edge. |
231 | 234 |
/// |
232 | 235 |
/// This function returns one end node of an edge. |
233 | 236 |
Node u(const Edge&) const { return INVALID; } |
234 | 237 |
|
235 | 238 |
/// \brief Return the other end node of an edge. |
236 | 239 |
/// |
237 | 240 |
/// This function returns the other end node of an edge. |
238 | 241 |
Node v(const Edge&) const { return INVALID; } |
239 | 242 |
|
240 | 243 |
/// \brief Return a directed arc related to an edge. |
241 | 244 |
/// |
242 | 245 |
/// This function returns a directed arc from its direction and the |
243 | 246 |
/// represented edge. |
244 | 247 |
Arc direct(const Edge&, bool) const { return INVALID; } |
245 | 248 |
|
246 | 249 |
/// \brief Return a directed arc related to an edge. |
247 | 250 |
/// |
248 | 251 |
/// This function returns a directed arc from its source node and the |
249 | 252 |
/// represented edge. |
250 | 253 |
Arc direct(const Edge&, const Node&) const { return INVALID; } |
251 | 254 |
|
252 | 255 |
/// \brief Return the direction of the arc. |
253 | 256 |
/// |
254 | 257 |
/// Returns the direction of the arc. Each arc represents an |
255 | 258 |
/// edge with a direction. It gives back the |
256 | 259 |
/// direction. |
257 | 260 |
bool direction(const Arc&) const { return true; } |
258 | 261 |
|
... | ... |
@@ -930,361 +933,359 @@ |
930 | 933 |
checkConcept<Base, _Digraph>(); |
931 | 934 |
typename _Digraph::NodeNotifier& nn |
932 | 935 |
= digraph.notifier(typename _Digraph::Node()); |
933 | 936 |
|
934 | 937 |
typename _Digraph::ArcNotifier& en |
935 | 938 |
= digraph.notifier(typename _Digraph::Arc()); |
936 | 939 |
|
937 | 940 |
ignore_unused_variable_warning(nn); |
938 | 941 |
ignore_unused_variable_warning(en); |
939 | 942 |
} |
940 | 943 |
|
941 | 944 |
const _Digraph& digraph; |
942 | 945 |
}; |
943 | 946 |
}; |
944 | 947 |
|
945 | 948 |
/// \brief Skeleton class for alterable undirected graphs. |
946 | 949 |
/// |
947 | 950 |
/// This class describes the interface of alterable undirected |
948 | 951 |
/// graphs. It extends \ref AlterableDigraphComponent with the alteration |
949 | 952 |
/// notifier interface of undirected graphs. It implements |
950 | 953 |
/// an observer-notifier pattern for the edges. More |
951 | 954 |
/// obsevers can be registered into the notifier and whenever an |
952 | 955 |
/// alteration occured in the graph all the observers will be |
953 | 956 |
/// notified about it. |
954 | 957 |
template <typename BAS = BaseGraphComponent> |
955 | 958 |
class AlterableGraphComponent : public AlterableDigraphComponent<BAS> { |
956 | 959 |
public: |
957 | 960 |
|
958 | 961 |
typedef BAS Base; |
959 | 962 |
typedef typename Base::Edge Edge; |
960 | 963 |
|
961 | 964 |
|
962 | 965 |
/// Edge alteration notifier class. |
963 | 966 |
typedef AlterationNotifier<AlterableGraphComponent, Edge> |
964 | 967 |
EdgeNotifier; |
965 | 968 |
|
966 | 969 |
/// \brief Return the edge alteration notifier. |
967 | 970 |
/// |
968 | 971 |
/// This function gives back the edge alteration notifier. |
969 | 972 |
EdgeNotifier& notifier(Edge) const { |
970 | 973 |
return EdgeNotifier(); |
971 | 974 |
} |
972 | 975 |
|
973 | 976 |
template <typename _Graph> |
974 | 977 |
struct Constraints { |
975 | 978 |
void constraints() { |
976 | 979 |
checkConcept<AlterableDigraphComponent<Base>, _Graph>(); |
977 | 980 |
typename _Graph::EdgeNotifier& uen |
978 | 981 |
= graph.notifier(typename _Graph::Edge()); |
979 | 982 |
ignore_unused_variable_warning(uen); |
980 | 983 |
} |
981 | 984 |
|
982 | 985 |
const _Graph& graph; |
983 | 986 |
}; |
984 | 987 |
}; |
985 | 988 |
|
986 | 989 |
/// \brief Concept class for standard graph maps. |
987 | 990 |
/// |
988 | 991 |
/// This class describes the concept of standard graph maps, i.e. |
989 | 992 |
/// the \c NodeMap, \c ArcMap and \c EdgeMap subtypes of digraph and |
990 | 993 |
/// graph types, which can be used for associating data to graph items. |
991 | 994 |
/// The standard graph maps must conform to the ReferenceMap concept. |
992 | 995 |
template <typename GR, typename K, typename V> |
993 | 996 |
class GraphMap : public ReferenceMap<K, V, V&, const V&> { |
997 |
typedef ReferenceMap<K, V, V&, const V&> Parent; |
|
998 |
|
|
994 | 999 |
public: |
995 | 1000 |
|
996 |
typedef ReadWriteMap<K, V> Parent; |
|
997 |
|
|
998 |
/// The graph type of the map. |
|
999 |
typedef GR Graph; |
|
1000 | 1001 |
/// The key type of the map. |
1001 | 1002 |
typedef K Key; |
1002 | 1003 |
/// The value type of the map. |
1003 | 1004 |
typedef V Value; |
1004 | 1005 |
/// The reference type of the map. |
1005 | 1006 |
typedef Value& Reference; |
1006 | 1007 |
/// The const reference type of the map. |
1007 | 1008 |
typedef const Value& ConstReference; |
1008 | 1009 |
|
1009 | 1010 |
// The reference map tag. |
1010 | 1011 |
typedef True ReferenceMapTag; |
1011 | 1012 |
|
1012 | 1013 |
/// \brief Construct a new map. |
1013 | 1014 |
/// |
1014 | 1015 |
/// Construct a new map for the graph. |
1015 |
explicit GraphMap(const |
|
1016 |
explicit GraphMap(const GR&) {} |
|
1016 | 1017 |
/// \brief Construct a new map with default value. |
1017 | 1018 |
/// |
1018 | 1019 |
/// Construct a new map for the graph and initalize the values. |
1019 |
GraphMap(const |
|
1020 |
GraphMap(const GR&, const Value&) {} |
|
1020 | 1021 |
|
1021 | 1022 |
private: |
1022 | 1023 |
/// \brief Copy constructor. |
1023 | 1024 |
/// |
1024 | 1025 |
/// Copy Constructor. |
1025 | 1026 |
GraphMap(const GraphMap&) : Parent() {} |
1026 | 1027 |
|
1027 | 1028 |
/// \brief Assignment operator. |
1028 | 1029 |
/// |
1029 | 1030 |
/// Assignment operator. It does not mofify the underlying graph, |
1030 | 1031 |
/// it just iterates on the current item set and set the map |
1031 | 1032 |
/// with the value returned by the assigned map. |
1032 | 1033 |
template <typename CMap> |
1033 | 1034 |
GraphMap& operator=(const CMap&) { |
1034 | 1035 |
checkConcept<ReadMap<Key, Value>, CMap>(); |
1035 | 1036 |
return *this; |
1036 | 1037 |
} |
1037 | 1038 |
|
1038 | 1039 |
public: |
1039 | 1040 |
template<typename _Map> |
1040 | 1041 |
struct Constraints { |
1041 | 1042 |
void constraints() { |
1042 | 1043 |
checkConcept |
1043 | 1044 |
<ReferenceMap<Key, Value, Value&, const Value&>, _Map>(); |
1044 | 1045 |
_Map m1(g); |
1045 | 1046 |
_Map m2(g,t); |
1046 | 1047 |
|
1047 | 1048 |
// Copy constructor |
1048 | 1049 |
// _Map m3(m); |
1049 | 1050 |
|
1050 | 1051 |
// Assignment operator |
1051 | 1052 |
// ReadMap<Key, Value> cmap; |
1052 | 1053 |
// m3 = cmap; |
1053 | 1054 |
|
1054 | 1055 |
ignore_unused_variable_warning(m1); |
1055 | 1056 |
ignore_unused_variable_warning(m2); |
1056 | 1057 |
// ignore_unused_variable_warning(m3); |
1057 | 1058 |
} |
1058 | 1059 |
|
1059 | 1060 |
const _Map &m; |
1060 |
const |
|
1061 |
const GR &g; |
|
1061 | 1062 |
const typename GraphMap::Value &t; |
1062 | 1063 |
}; |
1063 | 1064 |
|
1064 | 1065 |
}; |
1065 | 1066 |
|
1066 | 1067 |
/// \brief Skeleton class for mappable directed graphs. |
1067 | 1068 |
/// |
1068 | 1069 |
/// This class describes the interface of mappable directed graphs. |
1069 | 1070 |
/// It extends \ref BaseDigraphComponent with the standard digraph |
1070 | 1071 |
/// map classes, namely \c NodeMap and \c ArcMap. |
1071 | 1072 |
/// This concept is part of the Digraph concept. |
1072 | 1073 |
template <typename BAS = BaseDigraphComponent> |
1073 | 1074 |
class MappableDigraphComponent : public BAS { |
1074 | 1075 |
public: |
1075 | 1076 |
|
1076 | 1077 |
typedef BAS Base; |
1077 | 1078 |
typedef typename Base::Node Node; |
1078 | 1079 |
typedef typename Base::Arc Arc; |
1079 | 1080 |
|
1080 | 1081 |
typedef MappableDigraphComponent Digraph; |
1081 | 1082 |
|
1082 | 1083 |
/// \brief Standard graph map for the nodes. |
1083 | 1084 |
/// |
1084 | 1085 |
/// Standard graph map for the nodes. |
1085 | 1086 |
/// It conforms to the ReferenceMap concept. |
1086 | 1087 |
template <typename V> |
1087 | 1088 |
class NodeMap : public GraphMap<MappableDigraphComponent, Node, V> { |
1088 |
public: |
|
1089 | 1089 |
typedef GraphMap<MappableDigraphComponent, Node, V> Parent; |
1090 | 1090 |
|
1091 |
public: |
|
1091 | 1092 |
/// \brief Construct a new map. |
1092 | 1093 |
/// |
1093 | 1094 |
/// Construct a new map for the digraph. |
1094 | 1095 |
explicit NodeMap(const MappableDigraphComponent& digraph) |
1095 | 1096 |
: Parent(digraph) {} |
1096 | 1097 |
|
1097 | 1098 |
/// \brief Construct a new map with default value. |
1098 | 1099 |
/// |
1099 | 1100 |
/// Construct a new map for the digraph and initalize the values. |
1100 | 1101 |
NodeMap(const MappableDigraphComponent& digraph, const V& value) |
1101 | 1102 |
: Parent(digraph, value) {} |
1102 | 1103 |
|
1103 | 1104 |
private: |
1104 | 1105 |
/// \brief Copy constructor. |
1105 | 1106 |
/// |
1106 | 1107 |
/// Copy Constructor. |
1107 | 1108 |
NodeMap(const NodeMap& nm) : Parent(nm) {} |
1108 | 1109 |
|
1109 | 1110 |
/// \brief Assignment operator. |
1110 | 1111 |
/// |
1111 | 1112 |
/// Assignment operator. |
1112 | 1113 |
template <typename CMap> |
1113 | 1114 |
NodeMap& operator=(const CMap&) { |
1114 | 1115 |
checkConcept<ReadMap<Node, V>, CMap>(); |
1115 | 1116 |
return *this; |
1116 | 1117 |
} |
1117 | 1118 |
|
1118 | 1119 |
}; |
1119 | 1120 |
|
1120 | 1121 |
/// \brief Standard graph map for the arcs. |
1121 | 1122 |
/// |
1122 | 1123 |
/// Standard graph map for the arcs. |
1123 | 1124 |
/// It conforms to the ReferenceMap concept. |
1124 | 1125 |
template <typename V> |
1125 | 1126 |
class ArcMap : public GraphMap<MappableDigraphComponent, Arc, V> { |
1126 |
public: |
|
1127 | 1127 |
typedef GraphMap<MappableDigraphComponent, Arc, V> Parent; |
1128 | 1128 |
|
1129 |
public: |
|
1129 | 1130 |
/// \brief Construct a new map. |
1130 | 1131 |
/// |
1131 | 1132 |
/// Construct a new map for the digraph. |
1132 | 1133 |
explicit ArcMap(const MappableDigraphComponent& digraph) |
1133 | 1134 |
: Parent(digraph) {} |
1134 | 1135 |
|
1135 | 1136 |
/// \brief Construct a new map with default value. |
1136 | 1137 |
/// |
1137 | 1138 |
/// Construct a new map for the digraph and initalize the values. |
1138 | 1139 |
ArcMap(const MappableDigraphComponent& digraph, const V& value) |
1139 | 1140 |
: Parent(digraph, value) {} |
1140 | 1141 |
|
1141 | 1142 |
private: |
1142 | 1143 |
/// \brief Copy constructor. |
1143 | 1144 |
/// |
1144 | 1145 |
/// Copy Constructor. |
1145 | 1146 |
ArcMap(const ArcMap& nm) : Parent(nm) {} |
1146 | 1147 |
|
1147 | 1148 |
/// \brief Assignment operator. |
1148 | 1149 |
/// |
1149 | 1150 |
/// Assignment operator. |
1150 | 1151 |
template <typename CMap> |
1151 | 1152 |
ArcMap& operator=(const CMap&) { |
1152 | 1153 |
checkConcept<ReadMap<Arc, V>, CMap>(); |
1153 | 1154 |
return *this; |
1154 | 1155 |
} |
1155 | 1156 |
|
1156 | 1157 |
}; |
1157 | 1158 |
|
1158 | 1159 |
|
1159 | 1160 |
template <typename _Digraph> |
1160 | 1161 |
struct Constraints { |
1161 | 1162 |
|
1162 | 1163 |
struct Dummy { |
1163 | 1164 |
int value; |
1164 | 1165 |
Dummy() : value(0) {} |
1165 | 1166 |
Dummy(int _v) : value(_v) {} |
1166 | 1167 |
}; |
1167 | 1168 |
|
1168 | 1169 |
void constraints() { |
1169 | 1170 |
checkConcept<Base, _Digraph>(); |
1170 | 1171 |
{ // int map test |
1171 | 1172 |
typedef typename _Digraph::template NodeMap<int> IntNodeMap; |
1172 | 1173 |
checkConcept<GraphMap<_Digraph, typename _Digraph::Node, int>, |
1173 | 1174 |
IntNodeMap >(); |
1174 | 1175 |
} { // bool map test |
1175 | 1176 |
typedef typename _Digraph::template NodeMap<bool> BoolNodeMap; |
1176 | 1177 |
checkConcept<GraphMap<_Digraph, typename _Digraph::Node, bool>, |
1177 | 1178 |
BoolNodeMap >(); |
1178 | 1179 |
} { // Dummy map test |
1179 | 1180 |
typedef typename _Digraph::template NodeMap<Dummy> DummyNodeMap; |
1180 | 1181 |
checkConcept<GraphMap<_Digraph, typename _Digraph::Node, Dummy>, |
1181 | 1182 |
DummyNodeMap >(); |
1182 | 1183 |
} |
1183 | 1184 |
|
1184 | 1185 |
{ // int map test |
1185 | 1186 |
typedef typename _Digraph::template ArcMap<int> IntArcMap; |
1186 | 1187 |
checkConcept<GraphMap<_Digraph, typename _Digraph::Arc, int>, |
1187 | 1188 |
IntArcMap >(); |
1188 | 1189 |
} { // bool map test |
1189 | 1190 |
typedef typename _Digraph::template ArcMap<bool> BoolArcMap; |
1190 | 1191 |
checkConcept<GraphMap<_Digraph, typename _Digraph::Arc, bool>, |
1191 | 1192 |
BoolArcMap >(); |
1192 | 1193 |
} { // Dummy map test |
1193 | 1194 |
typedef typename _Digraph::template ArcMap<Dummy> DummyArcMap; |
1194 | 1195 |
checkConcept<GraphMap<_Digraph, typename _Digraph::Arc, Dummy>, |
1195 | 1196 |
DummyArcMap >(); |
1196 | 1197 |
} |
1197 | 1198 |
} |
1198 | 1199 |
|
1199 | 1200 |
const _Digraph& digraph; |
1200 | 1201 |
}; |
1201 | 1202 |
}; |
1202 | 1203 |
|
1203 | 1204 |
/// \brief Skeleton class for mappable undirected graphs. |
1204 | 1205 |
/// |
1205 | 1206 |
/// This class describes the interface of mappable undirected graphs. |
1206 | 1207 |
/// It extends \ref MappableDigraphComponent with the standard graph |
1207 | 1208 |
/// map class for edges (\c EdgeMap). |
1208 | 1209 |
/// This concept is part of the Graph concept. |
1209 | 1210 |
template <typename BAS = BaseGraphComponent> |
1210 | 1211 |
class MappableGraphComponent : public MappableDigraphComponent<BAS> { |
1211 | 1212 |
public: |
1212 | 1213 |
|
1213 | 1214 |
typedef BAS Base; |
1214 | 1215 |
typedef typename Base::Edge Edge; |
1215 | 1216 |
|
1216 | 1217 |
typedef MappableGraphComponent Graph; |
1217 | 1218 |
|
1218 | 1219 |
/// \brief Standard graph map for the edges. |
1219 | 1220 |
/// |
1220 | 1221 |
/// Standard graph map for the edges. |
1221 | 1222 |
/// It conforms to the ReferenceMap concept. |
1222 | 1223 |
template <typename V> |
1223 | 1224 |
class EdgeMap : public GraphMap<MappableGraphComponent, Edge, V> { |
1224 |
public: |
|
1225 | 1225 |
typedef GraphMap<MappableGraphComponent, Edge, V> Parent; |
1226 | 1226 |
|
1227 |
public: |
|
1227 | 1228 |
/// \brief Construct a new map. |
1228 | 1229 |
/// |
1229 | 1230 |
/// Construct a new map for the graph. |
1230 | 1231 |
explicit EdgeMap(const MappableGraphComponent& graph) |
1231 | 1232 |
: Parent(graph) {} |
1232 | 1233 |
|
1233 | 1234 |
/// \brief Construct a new map with default value. |
1234 | 1235 |
/// |
1235 | 1236 |
/// Construct a new map for the graph and initalize the values. |
1236 | 1237 |
EdgeMap(const MappableGraphComponent& graph, const V& value) |
1237 | 1238 |
: Parent(graph, value) {} |
1238 | 1239 |
|
1239 | 1240 |
private: |
1240 | 1241 |
/// \brief Copy constructor. |
1241 | 1242 |
/// |
1242 | 1243 |
/// Copy Constructor. |
1243 | 1244 |
EdgeMap(const EdgeMap& nm) : Parent(nm) {} |
1244 | 1245 |
|
1245 | 1246 |
/// \brief Assignment operator. |
1246 | 1247 |
/// |
1247 | 1248 |
/// Assignment operator. |
1248 | 1249 |
template <typename CMap> |
1249 | 1250 |
EdgeMap& operator=(const CMap&) { |
1250 | 1251 |
checkConcept<ReadMap<Edge, V>, CMap>(); |
1251 | 1252 |
return *this; |
1252 | 1253 |
} |
1253 | 1254 |
|
1254 | 1255 |
}; |
1255 | 1256 |
|
1256 | 1257 |
|
1257 | 1258 |
template <typename _Graph> |
1258 | 1259 |
struct Constraints { |
1259 | 1260 |
|
1260 | 1261 |
struct Dummy { |
1261 | 1262 |
int value; |
1262 | 1263 |
Dummy() : value(0) {} |
1263 | 1264 |
Dummy(int _v) : value(_v) {} |
1264 | 1265 |
}; |
1265 | 1266 |
|
1266 | 1267 |
void constraints() { |
1267 | 1268 |
checkConcept<MappableDigraphComponent<Base>, _Graph>(); |
1268 | 1269 |
|
1269 | 1270 |
{ // int map test |
1270 | 1271 |
typedef typename _Graph::template EdgeMap<int> IntEdgeMap; |
1271 | 1272 |
checkConcept<GraphMap<_Graph, typename _Graph::Edge, int>, |
1272 | 1273 |
IntEdgeMap >(); |
1273 | 1274 |
} { // bool map test |
1274 | 1275 |
typedef typename _Graph::template EdgeMap<bool> BoolEdgeMap; |
1275 | 1276 |
checkConcept<GraphMap<_Graph, typename _Graph::Edge, bool>, |
1276 | 1277 |
BoolEdgeMap >(); |
1277 | 1278 |
} { // Dummy map test |
1278 | 1279 |
typedef typename _Graph::template EdgeMap<Dummy> DummyEdgeMap; |
1279 | 1280 |
checkConcept<GraphMap<_Graph, typename _Graph::Edge, Dummy>, |
1280 | 1281 |
DummyEdgeMap >(); |
1281 | 1282 |
} |
1282 | 1283 |
} |
1283 | 1284 |
|
1284 | 1285 |
const _Graph& graph; |
1285 | 1286 |
}; |
1286 | 1287 |
}; |
1287 | 1288 |
|
1288 | 1289 |
/// \brief Skeleton class for extendable directed graphs. |
1289 | 1290 |
/// |
1290 | 1291 |
/// This class describes the interface of extendable directed graphs. |
... | ... |
@@ -975,365 +975,368 @@ |
975 | 975 |
while (e != INVALID && g.target(e) != v) { |
976 | 976 |
g.nextOut(e); |
977 | 977 |
} |
978 | 978 |
return e; |
979 | 979 |
} |
980 | 980 |
}; |
981 | 981 |
|
982 | 982 |
template <typename Graph> |
983 | 983 |
struct FindArcSelector< |
984 | 984 |
Graph, |
985 | 985 |
typename enable_if<typename Graph::FindArcTag, void>::type> |
986 | 986 |
{ |
987 | 987 |
typedef typename Graph::Node Node; |
988 | 988 |
typedef typename Graph::Arc Arc; |
989 | 989 |
static Arc find(const Graph &g, Node u, Node v, Arc prev) { |
990 | 990 |
return g.findArc(u, v, prev); |
991 | 991 |
} |
992 | 992 |
}; |
993 | 993 |
} |
994 | 994 |
|
995 | 995 |
/// \brief Find an arc between two nodes of a digraph. |
996 | 996 |
/// |
997 | 997 |
/// This function finds an arc from node \c u to node \c v in the |
998 | 998 |
/// digraph \c g. |
999 | 999 |
/// |
1000 | 1000 |
/// If \c prev is \ref INVALID (this is the default value), then |
1001 | 1001 |
/// it finds the first arc from \c u to \c v. Otherwise it looks for |
1002 | 1002 |
/// the next arc from \c u to \c v after \c prev. |
1003 | 1003 |
/// \return The found arc or \ref INVALID if there is no such an arc. |
1004 | 1004 |
/// |
1005 | 1005 |
/// Thus you can iterate through each arc from \c u to \c v as it follows. |
1006 | 1006 |
///\code |
1007 | 1007 |
/// for(Arc e = findArc(g,u,v); e != INVALID; e = findArc(g,u,v,e)) { |
1008 | 1008 |
/// ... |
1009 | 1009 |
/// } |
1010 | 1010 |
///\endcode |
1011 | 1011 |
/// |
1012 | 1012 |
/// \note \ref ConArcIt provides iterator interface for the same |
1013 | 1013 |
/// functionality. |
1014 | 1014 |
/// |
1015 | 1015 |
///\sa ConArcIt |
1016 | 1016 |
///\sa ArcLookUp, AllArcLookUp, DynArcLookUp |
1017 | 1017 |
template <typename Graph> |
1018 | 1018 |
inline typename Graph::Arc |
1019 | 1019 |
findArc(const Graph &g, typename Graph::Node u, typename Graph::Node v, |
1020 | 1020 |
typename Graph::Arc prev = INVALID) { |
1021 | 1021 |
return _core_bits::FindArcSelector<Graph>::find(g, u, v, prev); |
1022 | 1022 |
} |
1023 | 1023 |
|
1024 | 1024 |
/// \brief Iterator for iterating on parallel arcs connecting the same nodes. |
1025 | 1025 |
/// |
1026 | 1026 |
/// Iterator for iterating on parallel arcs connecting the same nodes. It is |
1027 | 1027 |
/// a higher level interface for the \ref findArc() function. You can |
1028 | 1028 |
/// use it the following way: |
1029 | 1029 |
///\code |
1030 | 1030 |
/// for (ConArcIt<Graph> it(g, src, trg); it != INVALID; ++it) { |
1031 | 1031 |
/// ... |
1032 | 1032 |
/// } |
1033 | 1033 |
///\endcode |
1034 | 1034 |
/// |
1035 | 1035 |
///\sa findArc() |
1036 | 1036 |
///\sa ArcLookUp, AllArcLookUp, DynArcLookUp |
1037 | 1037 |
template <typename GR> |
1038 | 1038 |
class ConArcIt : public GR::Arc { |
1039 |
typedef typename GR::Arc Parent; |
|
1040 |
|
|
1039 | 1041 |
public: |
1040 | 1042 |
|
1041 |
typedef GR Graph; |
|
1042 |
typedef typename Graph::Arc Parent; |
|
1043 |
|
|
1044 |
typedef typename Graph::Arc Arc; |
|
1045 |
typedef typename |
|
1043 |
typedef typename GR::Arc Arc; |
|
1044 |
typedef typename GR::Node Node; |
|
1046 | 1045 |
|
1047 | 1046 |
/// \brief Constructor. |
1048 | 1047 |
/// |
1049 | 1048 |
/// Construct a new ConArcIt iterating on the arcs that |
1050 | 1049 |
/// connects nodes \c u and \c v. |
1051 |
ConArcIt(const |
|
1050 |
ConArcIt(const GR& g, Node u, Node v) : _graph(g) { |
|
1052 | 1051 |
Parent::operator=(findArc(_graph, u, v)); |
1053 | 1052 |
} |
1054 | 1053 |
|
1055 | 1054 |
/// \brief Constructor. |
1056 | 1055 |
/// |
1057 | 1056 |
/// Construct a new ConArcIt that continues the iterating from arc \c a. |
1058 |
ConArcIt(const |
|
1057 |
ConArcIt(const GR& g, Arc a) : Parent(a), _graph(g) {} |
|
1059 | 1058 |
|
1060 | 1059 |
/// \brief Increment operator. |
1061 | 1060 |
/// |
1062 | 1061 |
/// It increments the iterator and gives back the next arc. |
1063 | 1062 |
ConArcIt& operator++() { |
1064 | 1063 |
Parent::operator=(findArc(_graph, _graph.source(*this), |
1065 | 1064 |
_graph.target(*this), *this)); |
1066 | 1065 |
return *this; |
1067 | 1066 |
} |
1068 | 1067 |
private: |
1069 |
const |
|
1068 |
const GR& _graph; |
|
1070 | 1069 |
}; |
1071 | 1070 |
|
1072 | 1071 |
namespace _core_bits { |
1073 | 1072 |
|
1074 | 1073 |
template <typename Graph, typename Enable = void> |
1075 | 1074 |
struct FindEdgeSelector { |
1076 | 1075 |
typedef typename Graph::Node Node; |
1077 | 1076 |
typedef typename Graph::Edge Edge; |
1078 | 1077 |
static Edge find(const Graph &g, Node u, Node v, Edge e) { |
1079 | 1078 |
bool b; |
1080 | 1079 |
if (u != v) { |
1081 | 1080 |
if (e == INVALID) { |
1082 | 1081 |
g.firstInc(e, b, u); |
1083 | 1082 |
} else { |
1084 | 1083 |
b = g.u(e) == u; |
1085 | 1084 |
g.nextInc(e, b); |
1086 | 1085 |
} |
1087 | 1086 |
while (e != INVALID && (b ? g.v(e) : g.u(e)) != v) { |
1088 | 1087 |
g.nextInc(e, b); |
1089 | 1088 |
} |
1090 | 1089 |
} else { |
1091 | 1090 |
if (e == INVALID) { |
1092 | 1091 |
g.firstInc(e, b, u); |
1093 | 1092 |
} else { |
1094 | 1093 |
b = true; |
1095 | 1094 |
g.nextInc(e, b); |
1096 | 1095 |
} |
1097 | 1096 |
while (e != INVALID && (!b || g.v(e) != v)) { |
1098 | 1097 |
g.nextInc(e, b); |
1099 | 1098 |
} |
1100 | 1099 |
} |
1101 | 1100 |
return e; |
1102 | 1101 |
} |
1103 | 1102 |
}; |
1104 | 1103 |
|
1105 | 1104 |
template <typename Graph> |
1106 | 1105 |
struct FindEdgeSelector< |
1107 | 1106 |
Graph, |
1108 | 1107 |
typename enable_if<typename Graph::FindEdgeTag, void>::type> |
1109 | 1108 |
{ |
1110 | 1109 |
typedef typename Graph::Node Node; |
1111 | 1110 |
typedef typename Graph::Edge Edge; |
1112 | 1111 |
static Edge find(const Graph &g, Node u, Node v, Edge prev) { |
1113 | 1112 |
return g.findEdge(u, v, prev); |
1114 | 1113 |
} |
1115 | 1114 |
}; |
1116 | 1115 |
} |
1117 | 1116 |
|
1118 | 1117 |
/// \brief Find an edge between two nodes of a graph. |
1119 | 1118 |
/// |
1120 | 1119 |
/// This function finds an edge from node \c u to node \c v in graph \c g. |
1121 | 1120 |
/// If node \c u and node \c v is equal then each loop edge |
1122 | 1121 |
/// will be enumerated once. |
1123 | 1122 |
/// |
1124 | 1123 |
/// If \c prev is \ref INVALID (this is the default value), then |
1125 | 1124 |
/// it finds the first edge from \c u to \c v. Otherwise it looks for |
1126 | 1125 |
/// the next edge from \c u to \c v after \c prev. |
1127 | 1126 |
/// \return The found edge or \ref INVALID if there is no such an edge. |
1128 | 1127 |
/// |
1129 | 1128 |
/// Thus you can iterate through each edge between \c u and \c v |
1130 | 1129 |
/// as it follows. |
1131 | 1130 |
///\code |
1132 | 1131 |
/// for(Edge e = findEdge(g,u,v); e != INVALID; e = findEdge(g,u,v,e)) { |
1133 | 1132 |
/// ... |
1134 | 1133 |
/// } |
1135 | 1134 |
///\endcode |
1136 | 1135 |
/// |
1137 | 1136 |
/// \note \ref ConEdgeIt provides iterator interface for the same |
1138 | 1137 |
/// functionality. |
1139 | 1138 |
/// |
1140 | 1139 |
///\sa ConEdgeIt |
1141 | 1140 |
template <typename Graph> |
1142 | 1141 |
inline typename Graph::Edge |
1143 | 1142 |
findEdge(const Graph &g, typename Graph::Node u, typename Graph::Node v, |
1144 | 1143 |
typename Graph::Edge p = INVALID) { |
1145 | 1144 |
return _core_bits::FindEdgeSelector<Graph>::find(g, u, v, p); |
1146 | 1145 |
} |
1147 | 1146 |
|
1148 | 1147 |
/// \brief Iterator for iterating on parallel edges connecting the same nodes. |
1149 | 1148 |
/// |
1150 | 1149 |
/// Iterator for iterating on parallel edges connecting the same nodes. |
1151 | 1150 |
/// It is a higher level interface for the findEdge() function. You can |
1152 | 1151 |
/// use it the following way: |
1153 | 1152 |
///\code |
1154 | 1153 |
/// for (ConEdgeIt<Graph> it(g, u, v); it != INVALID; ++it) { |
1155 | 1154 |
/// ... |
1156 | 1155 |
/// } |
1157 | 1156 |
///\endcode |
1158 | 1157 |
/// |
1159 | 1158 |
///\sa findEdge() |
1160 | 1159 |
template <typename GR> |
1161 | 1160 |
class ConEdgeIt : public GR::Edge { |
1161 |
typedef typename GR::Edge Parent; |
|
1162 |
|
|
1162 | 1163 |
public: |
1163 | 1164 |
|
1164 |
typedef GR Graph; |
|
1165 |
typedef typename Graph::Edge Parent; |
|
1166 |
|
|
1167 |
typedef typename Graph::Edge Edge; |
|
1168 |
typedef typename |
|
1165 |
typedef typename GR::Edge Edge; |
|
1166 |
typedef typename GR::Node Node; |
|
1169 | 1167 |
|
1170 | 1168 |
/// \brief Constructor. |
1171 | 1169 |
/// |
1172 | 1170 |
/// Construct a new ConEdgeIt iterating on the edges that |
1173 | 1171 |
/// connects nodes \c u and \c v. |
1174 |
ConEdgeIt(const |
|
1172 |
ConEdgeIt(const GR& g, Node u, Node v) : _graph(g), _u(u), _v(v) { |
|
1175 | 1173 |
Parent::operator=(findEdge(_graph, _u, _v)); |
1176 | 1174 |
} |
1177 | 1175 |
|
1178 | 1176 |
/// \brief Constructor. |
1179 | 1177 |
/// |
1180 | 1178 |
/// Construct a new ConEdgeIt that continues iterating from edge \c e. |
1181 |
ConEdgeIt(const |
|
1179 |
ConEdgeIt(const GR& g, Edge e) : Parent(e), _graph(g) {} |
|
1182 | 1180 |
|
1183 | 1181 |
/// \brief Increment operator. |
1184 | 1182 |
/// |
1185 | 1183 |
/// It increments the iterator and gives back the next edge. |
1186 | 1184 |
ConEdgeIt& operator++() { |
1187 | 1185 |
Parent::operator=(findEdge(_graph, _u, _v, *this)); |
1188 | 1186 |
return *this; |
1189 | 1187 |
} |
1190 | 1188 |
private: |
1191 |
const |
|
1189 |
const GR& _graph; |
|
1192 | 1190 |
Node _u, _v; |
1193 | 1191 |
}; |
1194 | 1192 |
|
1195 | 1193 |
|
1196 | 1194 |
///Dynamic arc look-up between given endpoints. |
1197 | 1195 |
|
1198 | 1196 |
///Using this class, you can find an arc in a digraph from a given |
1199 | 1197 |
///source to a given target in amortized time <em>O</em>(log<em>d</em>), |
1200 | 1198 |
///where <em>d</em> is the out-degree of the source node. |
1201 | 1199 |
/// |
1202 | 1200 |
///It is possible to find \e all parallel arcs between two nodes with |
1203 | 1201 |
///the \c operator() member. |
1204 | 1202 |
/// |
1205 | 1203 |
///This is a dynamic data structure. Consider to use \ref ArcLookUp or |
1206 | 1204 |
///\ref AllArcLookUp if your digraph is not changed so frequently. |
1207 | 1205 |
/// |
1208 | 1206 |
///This class uses a self-adjusting binary search tree, the Splay tree |
1209 | 1207 |
///of Sleator and Tarjan to guarantee the logarithmic amortized |
1210 | 1208 |
///time bound for arc look-ups. This class also guarantees the |
1211 | 1209 |
///optimal time bound in a constant factor for any distribution of |
1212 | 1210 |
///queries. |
1213 | 1211 |
/// |
1214 | 1212 |
///\tparam GR The type of the underlying digraph. |
1215 | 1213 |
/// |
1216 | 1214 |
///\sa ArcLookUp |
1217 | 1215 |
///\sa AllArcLookUp |
1218 | 1216 |
template <typename GR> |
1219 | 1217 |
class DynArcLookUp |
1220 | 1218 |
: protected ItemSetTraits<GR, typename GR::Arc>::ItemNotifier::ObserverBase |
1221 | 1219 |
{ |
1222 |
public: |
|
1223 | 1220 |
typedef typename ItemSetTraits<GR, typename GR::Arc> |
1224 | 1221 |
::ItemNotifier::ObserverBase Parent; |
1225 | 1222 |
|
1226 | 1223 |
TEMPLATE_DIGRAPH_TYPEDEFS(GR); |
1224 |
|
|
1225 |
public: |
|
1226 |
|
|
1227 |
/// The Digraph type |
|
1227 | 1228 |
typedef GR Digraph; |
1228 | 1229 |
|
1229 | 1230 |
protected: |
1230 | 1231 |
|
1231 | 1232 |
class AutoNodeMap : public ItemSetTraits<GR, Node>::template Map<Arc>::Type { |
1233 |
typedef typename ItemSetTraits<GR, Node>::template Map<Arc>::Type Parent; |
|
1234 |
|
|
1232 | 1235 |
public: |
1233 | 1236 |
|
1234 |
typedef typename ItemSetTraits<GR, Node>::template Map<Arc>::Type Parent; |
|
1235 |
|
|
1236 | 1237 |
AutoNodeMap(const GR& digraph) : Parent(digraph, INVALID) {} |
1237 | 1238 |
|
1238 | 1239 |
virtual void add(const Node& node) { |
1239 | 1240 |
Parent::add(node); |
1240 | 1241 |
Parent::set(node, INVALID); |
1241 | 1242 |
} |
1242 | 1243 |
|
1243 | 1244 |
virtual void add(const std::vector<Node>& nodes) { |
1244 | 1245 |
Parent::add(nodes); |
1245 | 1246 |
for (int i = 0; i < int(nodes.size()); ++i) { |
1246 | 1247 |
Parent::set(nodes[i], INVALID); |
1247 | 1248 |
} |
1248 | 1249 |
} |
1249 | 1250 |
|
1250 | 1251 |
virtual void build() { |
1251 | 1252 |
Parent::build(); |
1252 | 1253 |
Node it; |
1253 | 1254 |
typename Parent::Notifier* nf = Parent::notifier(); |
1254 | 1255 |
for (nf->first(it); it != INVALID; nf->next(it)) { |
1255 | 1256 |
Parent::set(it, INVALID); |
1256 | 1257 |
} |
1257 | 1258 |
} |
1258 | 1259 |
}; |
1259 | 1260 |
|
1260 |
const Digraph &_g; |
|
1261 |
AutoNodeMap _head; |
|
1262 |
typename Digraph::template ArcMap<Arc> _parent; |
|
1263 |
typename Digraph::template ArcMap<Arc> _left; |
|
1264 |
typename Digraph::template ArcMap<Arc> _right; |
|
1265 |
|
|
1266 | 1261 |
class ArcLess { |
1267 | 1262 |
const Digraph &g; |
1268 | 1263 |
public: |
1269 | 1264 |
ArcLess(const Digraph &_g) : g(_g) {} |
1270 | 1265 |
bool operator()(Arc a,Arc b) const |
1271 | 1266 |
{ |
1272 | 1267 |
return g.target(a)<g.target(b); |
1273 | 1268 |
} |
1274 | 1269 |
}; |
1275 | 1270 |
|
1271 |
protected: |
|
1272 |
|
|
1273 |
const Digraph &_g; |
|
1274 |
AutoNodeMap _head; |
|
1275 |
typename Digraph::template ArcMap<Arc> _parent; |
|
1276 |
typename Digraph::template ArcMap<Arc> _left; |
|
1277 |
typename Digraph::template ArcMap<Arc> _right; |
|
1278 |
|
|
1276 | 1279 |
public: |
1277 | 1280 |
|
1278 | 1281 |
///Constructor |
1279 | 1282 |
|
1280 | 1283 |
///Constructor. |
1281 | 1284 |
/// |
1282 | 1285 |
///It builds up the search database. |
1283 | 1286 |
DynArcLookUp(const Digraph &g) |
1284 | 1287 |
: _g(g),_head(g),_parent(g),_left(g),_right(g) |
1285 | 1288 |
{ |
1286 | 1289 |
Parent::attach(_g.notifier(typename Digraph::Arc())); |
1287 | 1290 |
refresh(); |
1288 | 1291 |
} |
1289 | 1292 |
|
1290 | 1293 |
protected: |
1291 | 1294 |
|
1292 | 1295 |
virtual void add(const Arc& arc) { |
1293 | 1296 |
insert(arc); |
1294 | 1297 |
} |
1295 | 1298 |
|
1296 | 1299 |
virtual void add(const std::vector<Arc>& arcs) { |
1297 | 1300 |
for (int i = 0; i < int(arcs.size()); ++i) { |
1298 | 1301 |
insert(arcs[i]); |
1299 | 1302 |
} |
1300 | 1303 |
} |
1301 | 1304 |
|
1302 | 1305 |
virtual void erase(const Arc& arc) { |
1303 | 1306 |
remove(arc); |
1304 | 1307 |
} |
1305 | 1308 |
|
1306 | 1309 |
virtual void erase(const std::vector<Arc>& arcs) { |
1307 | 1310 |
for (int i = 0; i < int(arcs.size()); ++i) { |
1308 | 1311 |
remove(arcs[i]); |
1309 | 1312 |
} |
1310 | 1313 |
} |
1311 | 1314 |
|
1312 | 1315 |
virtual void build() { |
1313 | 1316 |
refresh(); |
1314 | 1317 |
} |
1315 | 1318 |
|
1316 | 1319 |
virtual void clear() { |
1317 | 1320 |
for(NodeIt n(_g);n!=INVALID;++n) { |
1318 | 1321 |
_head[n] = INVALID; |
1319 | 1322 |
} |
1320 | 1323 |
} |
1321 | 1324 |
|
1322 | 1325 |
void insert(Arc arc) { |
1323 | 1326 |
Node s = _g.source(arc); |
1324 | 1327 |
Node t = _g.target(arc); |
1325 | 1328 |
_left[arc] = INVALID; |
1326 | 1329 |
_right[arc] = INVALID; |
1327 | 1330 |
|
1328 | 1331 |
Arc e = _head[s]; |
1329 | 1332 |
if (e == INVALID) { |
1330 | 1333 |
_head[s] = arc; |
1331 | 1334 |
_parent[arc] = INVALID; |
1332 | 1335 |
return; |
1333 | 1336 |
} |
1334 | 1337 |
while (true) { |
1335 | 1338 |
if (t < _g.target(e)) { |
1336 | 1339 |
if (_left[e] == INVALID) { |
1337 | 1340 |
_left[e] = arc; |
1338 | 1341 |
_parent[arc] = e; |
1339 | 1342 |
splay(arc); |
... | ... |
@@ -1569,265 +1572,271 @@ |
1569 | 1572 |
const_cast<DynArcLookUp&>(*this).splay(a); |
1570 | 1573 |
return r; |
1571 | 1574 |
} else { |
1572 | 1575 |
a = _right[a]; |
1573 | 1576 |
} |
1574 | 1577 |
} else { |
1575 | 1578 |
if (_g.target(a) == t) { |
1576 | 1579 |
r = a; |
1577 | 1580 |
} |
1578 | 1581 |
if (_left[a] == INVALID) { |
1579 | 1582 |
const_cast<DynArcLookUp&>(*this).splay(a); |
1580 | 1583 |
return r; |
1581 | 1584 |
} else { |
1582 | 1585 |
a = _left[a]; |
1583 | 1586 |
} |
1584 | 1587 |
} |
1585 | 1588 |
} |
1586 | 1589 |
} else { |
1587 | 1590 |
Arc a = p; |
1588 | 1591 |
if (_right[a] != INVALID) { |
1589 | 1592 |
a = _right[a]; |
1590 | 1593 |
while (_left[a] != INVALID) { |
1591 | 1594 |
a = _left[a]; |
1592 | 1595 |
} |
1593 | 1596 |
const_cast<DynArcLookUp&>(*this).splay(a); |
1594 | 1597 |
} else { |
1595 | 1598 |
while (_parent[a] != INVALID && _right[_parent[a]] == a) { |
1596 | 1599 |
a = _parent[a]; |
1597 | 1600 |
} |
1598 | 1601 |
if (_parent[a] == INVALID) { |
1599 | 1602 |
return INVALID; |
1600 | 1603 |
} else { |
1601 | 1604 |
a = _parent[a]; |
1602 | 1605 |
const_cast<DynArcLookUp&>(*this).splay(a); |
1603 | 1606 |
} |
1604 | 1607 |
} |
1605 | 1608 |
if (_g.target(a) == t) return a; |
1606 | 1609 |
else return INVALID; |
1607 | 1610 |
} |
1608 | 1611 |
} |
1609 | 1612 |
|
1610 | 1613 |
}; |
1611 | 1614 |
|
1612 | 1615 |
///Fast arc look-up between given endpoints. |
1613 | 1616 |
|
1614 | 1617 |
///Using this class, you can find an arc in a digraph from a given |
1615 | 1618 |
///source to a given target in time <em>O</em>(log<em>d</em>), |
1616 | 1619 |
///where <em>d</em> is the out-degree of the source node. |
1617 | 1620 |
/// |
1618 | 1621 |
///It is not possible to find \e all parallel arcs between two nodes. |
1619 | 1622 |
///Use \ref AllArcLookUp for this purpose. |
1620 | 1623 |
/// |
1621 | 1624 |
///\warning This class is static, so you should call refresh() (or at |
1622 | 1625 |
///least refresh(Node)) to refresh this data structure whenever the |
1623 | 1626 |
///digraph changes. This is a time consuming (superlinearly proportional |
1624 | 1627 |
///(<em>O</em>(<em>m</em> log<em>m</em>)) to the number of arcs). |
1625 | 1628 |
/// |
1626 | 1629 |
///\tparam GR The type of the underlying digraph. |
1627 | 1630 |
/// |
1628 | 1631 |
///\sa DynArcLookUp |
1629 | 1632 |
///\sa AllArcLookUp |
1630 | 1633 |
template<class GR> |
1631 | 1634 |
class ArcLookUp |
1632 | 1635 |
{ |
1636 |
TEMPLATE_DIGRAPH_TYPEDEFS(GR); |
|
1637 |
|
|
1633 | 1638 |
public: |
1634 |
|
|
1639 |
|
|
1640 |
/// The Digraph type |
|
1635 | 1641 |
typedef GR Digraph; |
1636 | 1642 |
|
1637 | 1643 |
protected: |
1638 | 1644 |
const Digraph &_g; |
1639 | 1645 |
typename Digraph::template NodeMap<Arc> _head; |
1640 | 1646 |
typename Digraph::template ArcMap<Arc> _left; |
1641 | 1647 |
typename Digraph::template ArcMap<Arc> _right; |
1642 | 1648 |
|
1643 | 1649 |
class ArcLess { |
1644 | 1650 |
const Digraph &g; |
1645 | 1651 |
public: |
1646 | 1652 |
ArcLess(const Digraph &_g) : g(_g) {} |
1647 | 1653 |
bool operator()(Arc a,Arc b) const |
1648 | 1654 |
{ |
1649 | 1655 |
return g.target(a)<g.target(b); |
1650 | 1656 |
} |
1651 | 1657 |
}; |
1652 | 1658 |
|
1653 | 1659 |
public: |
1654 | 1660 |
|
1655 | 1661 |
///Constructor |
1656 | 1662 |
|
1657 | 1663 |
///Constructor. |
1658 | 1664 |
/// |
1659 | 1665 |
///It builds up the search database, which remains valid until the digraph |
1660 | 1666 |
///changes. |
1661 | 1667 |
ArcLookUp(const Digraph &g) :_g(g),_head(g),_left(g),_right(g) {refresh();} |
1662 | 1668 |
|
1663 | 1669 |
private: |
1664 | 1670 |
Arc refreshRec(std::vector<Arc> &v,int a,int b) |
1665 | 1671 |
{ |
1666 | 1672 |
int m=(a+b)/2; |
1667 | 1673 |
Arc me=v[m]; |
1668 | 1674 |
_left[me] = a<m?refreshRec(v,a,m-1):INVALID; |
1669 | 1675 |
_right[me] = m<b?refreshRec(v,m+1,b):INVALID; |
1670 | 1676 |
return me; |
1671 | 1677 |
} |
1672 | 1678 |
public: |
1673 | 1679 |
///Refresh the search data structure at a node. |
1674 | 1680 |
|
1675 | 1681 |
///Build up the search database of node \c n. |
1676 | 1682 |
/// |
1677 | 1683 |
///It runs in time <em>O</em>(<em>d</em> log<em>d</em>), where <em>d</em> |
1678 | 1684 |
///is the number of the outgoing arcs of \c n. |
1679 | 1685 |
void refresh(Node n) |
1680 | 1686 |
{ |
1681 | 1687 |
std::vector<Arc> v; |
1682 | 1688 |
for(OutArcIt e(_g,n);e!=INVALID;++e) v.push_back(e); |
1683 | 1689 |
if(v.size()) { |
1684 | 1690 |
std::sort(v.begin(),v.end(),ArcLess(_g)); |
1685 | 1691 |
_head[n]=refreshRec(v,0,v.size()-1); |
1686 | 1692 |
} |
1687 | 1693 |
else _head[n]=INVALID; |
1688 | 1694 |
} |
1689 | 1695 |
///Refresh the full data structure. |
1690 | 1696 |
|
1691 | 1697 |
///Build up the full search database. In fact, it simply calls |
1692 | 1698 |
///\ref refresh(Node) "refresh(n)" for each node \c n. |
1693 | 1699 |
/// |
1694 | 1700 |
///It runs in time <em>O</em>(<em>m</em> log<em>D</em>), where <em>m</em> is |
1695 | 1701 |
///the number of the arcs in the digraph and <em>D</em> is the maximum |
1696 | 1702 |
///out-degree of the digraph. |
1697 | 1703 |
void refresh() |
1698 | 1704 |
{ |
1699 | 1705 |
for(NodeIt n(_g);n!=INVALID;++n) refresh(n); |
1700 | 1706 |
} |
1701 | 1707 |
|
1702 | 1708 |
///Find an arc between two nodes. |
1703 | 1709 |
|
1704 | 1710 |
///Find an arc between two nodes in time <em>O</em>(log<em>d</em>), |
1705 | 1711 |
///where <em>d</em> is the number of outgoing arcs of \c s. |
1706 | 1712 |
///\param s The source node. |
1707 | 1713 |
///\param t The target node. |
1708 | 1714 |
///\return An arc from \c s to \c t if there exists, |
1709 | 1715 |
///\ref INVALID otherwise. |
1710 | 1716 |
/// |
1711 | 1717 |
///\warning If you change the digraph, refresh() must be called before using |
1712 | 1718 |
///this operator. If you change the outgoing arcs of |
1713 | 1719 |
///a single node \c n, then \ref refresh(Node) "refresh(n)" is enough. |
1714 | 1720 |
Arc operator()(Node s, Node t) const |
1715 | 1721 |
{ |
1716 | 1722 |
Arc e; |
1717 | 1723 |
for(e=_head[s]; |
1718 | 1724 |
e!=INVALID&&_g.target(e)!=t; |
1719 | 1725 |
e = t < _g.target(e)?_left[e]:_right[e]) ; |
1720 | 1726 |
return e; |
1721 | 1727 |
} |
1722 | 1728 |
|
1723 | 1729 |
}; |
1724 | 1730 |
|
1725 | 1731 |
///Fast look-up of all arcs between given endpoints. |
1726 | 1732 |
|
1727 | 1733 |
///This class is the same as \ref ArcLookUp, with the addition |
1728 | 1734 |
///that it makes it possible to find all parallel arcs between given |
1729 | 1735 |
///endpoints. |
1730 | 1736 |
/// |
1731 | 1737 |
///\warning This class is static, so you should call refresh() (or at |
1732 | 1738 |
///least refresh(Node)) to refresh this data structure whenever the |
1733 | 1739 |
///digraph changes. This is a time consuming (superlinearly proportional |
1734 | 1740 |
///(<em>O</em>(<em>m</em> log<em>m</em>)) to the number of arcs). |
1735 | 1741 |
/// |
1736 | 1742 |
///\tparam GR The type of the underlying digraph. |
1737 | 1743 |
/// |
1738 | 1744 |
///\sa DynArcLookUp |
1739 | 1745 |
///\sa ArcLookUp |
1740 | 1746 |
template<class GR> |
1741 | 1747 |
class AllArcLookUp : public ArcLookUp<GR> |
1742 | 1748 |
{ |
1743 | 1749 |
using ArcLookUp<GR>::_g; |
1744 | 1750 |
using ArcLookUp<GR>::_right; |
1745 | 1751 |
using ArcLookUp<GR>::_left; |
1746 | 1752 |
using ArcLookUp<GR>::_head; |
1747 | 1753 |
|
1748 | 1754 |
TEMPLATE_DIGRAPH_TYPEDEFS(GR); |
1749 |
typedef GR Digraph; |
|
1750 | 1755 |
|
1751 |
typename |
|
1756 |
typename GR::template ArcMap<Arc> _next; |
|
1752 | 1757 |
|
1753 | 1758 |
Arc refreshNext(Arc head,Arc next=INVALID) |
1754 | 1759 |
{ |
1755 | 1760 |
if(head==INVALID) return next; |
1756 | 1761 |
else { |
1757 | 1762 |
next=refreshNext(_right[head],next); |
1758 | 1763 |
_next[head]=( next!=INVALID && _g.target(next)==_g.target(head)) |
1759 | 1764 |
? next : INVALID; |
1760 | 1765 |
return refreshNext(_left[head],head); |
1761 | 1766 |
} |
1762 | 1767 |
} |
1763 | 1768 |
|
1764 | 1769 |
void refreshNext() |
1765 | 1770 |
{ |
1766 | 1771 |
for(NodeIt n(_g);n!=INVALID;++n) refreshNext(_head[n]); |
1767 | 1772 |
} |
1768 | 1773 |
|
1769 | 1774 |
public: |
1775 |
|
|
1776 |
/// The Digraph type |
|
1777 |
typedef GR Digraph; |
|
1778 |
|
|
1770 | 1779 |
///Constructor |
1771 | 1780 |
|
1772 | 1781 |
///Constructor. |
1773 | 1782 |
/// |
1774 | 1783 |
///It builds up the search database, which remains valid until the digraph |
1775 | 1784 |
///changes. |
1776 | 1785 |
AllArcLookUp(const Digraph &g) : ArcLookUp<GR>(g), _next(g) {refreshNext();} |
1777 | 1786 |
|
1778 | 1787 |
///Refresh the data structure at a node. |
1779 | 1788 |
|
1780 | 1789 |
///Build up the search database of node \c n. |
1781 | 1790 |
/// |
1782 | 1791 |
///It runs in time <em>O</em>(<em>d</em> log<em>d</em>), where <em>d</em> is |
1783 | 1792 |
///the number of the outgoing arcs of \c n. |
1784 | 1793 |
void refresh(Node n) |
1785 | 1794 |
{ |
1786 | 1795 |
ArcLookUp<GR>::refresh(n); |
1787 | 1796 |
refreshNext(_head[n]); |
1788 | 1797 |
} |
1789 | 1798 |
|
1790 | 1799 |
///Refresh the full data structure. |
1791 | 1800 |
|
1792 | 1801 |
///Build up the full search database. In fact, it simply calls |
1793 | 1802 |
///\ref refresh(Node) "refresh(n)" for each node \c n. |
1794 | 1803 |
/// |
1795 | 1804 |
///It runs in time <em>O</em>(<em>m</em> log<em>D</em>), where <em>m</em> is |
1796 | 1805 |
///the number of the arcs in the digraph and <em>D</em> is the maximum |
1797 | 1806 |
///out-degree of the digraph. |
1798 | 1807 |
void refresh() |
1799 | 1808 |
{ |
1800 | 1809 |
for(NodeIt n(_g);n!=INVALID;++n) refresh(_head[n]); |
1801 | 1810 |
} |
1802 | 1811 |
|
1803 | 1812 |
///Find an arc between two nodes. |
1804 | 1813 |
|
1805 | 1814 |
///Find an arc between two nodes. |
1806 | 1815 |
///\param s The source node. |
1807 | 1816 |
///\param t The target node. |
1808 | 1817 |
///\param prev The previous arc between \c s and \c t. It it is INVALID or |
1809 | 1818 |
///not given, the operator finds the first appropriate arc. |
1810 | 1819 |
///\return An arc from \c s to \c t after \c prev or |
1811 | 1820 |
///\ref INVALID if there is no more. |
1812 | 1821 |
/// |
1813 | 1822 |
///For example, you can count the number of arcs from \c u to \c v in the |
1814 | 1823 |
///following way. |
1815 | 1824 |
///\code |
1816 | 1825 |
///AllArcLookUp<ListDigraph> ae(g); |
1817 | 1826 |
///... |
1818 | 1827 |
///int n = 0; |
1819 | 1828 |
///for(Arc a = ae(u,v); a != INVALID; a=ae(u,v,a)) n++; |
1820 | 1829 |
///\endcode |
1821 | 1830 |
/// |
1822 | 1831 |
///Finding the first arc take <em>O</em>(log<em>d</em>) time, |
1823 | 1832 |
///where <em>d</em> is the number of outgoing arcs of \c s. Then the |
1824 | 1833 |
///consecutive arcs are found in constant time. |
1825 | 1834 |
/// |
1826 | 1835 |
///\warning If you change the digraph, refresh() must be called before using |
1827 | 1836 |
///this operator. If you change the outgoing arcs of |
1828 | 1837 |
///a single node \c n, then \ref refresh(Node) "refresh(n)" is enough. |
1829 | 1838 |
/// |
1830 | 1839 |
#ifdef DOXYGEN |
1831 | 1840 |
Arc operator()(Node s, Node t, Arc prev=INVALID) const {} |
1832 | 1841 |
#else |
1833 | 1842 |
using ArcLookUp<GR>::operator() ; |
1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
2 | 2 |
* |
3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
4 | 4 |
* |
5 | 5 |
* Copyright (C) 2003-2008 |
6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_EDGE_SET_H |
20 | 20 |
#define LEMON_EDGE_SET_H |
21 | 21 |
|
22 | 22 |
#include <lemon/core.h> |
23 | 23 |
#include <lemon/bits/edge_set_extender.h> |
24 | 24 |
|
25 | 25 |
/// \ingroup semi_adaptors |
26 | 26 |
/// \file |
27 | 27 |
/// \brief ArcSet and EdgeSet classes. |
28 | 28 |
/// |
29 | 29 |
/// Graphs which use another graph's node-set as own. |
30 | 30 |
namespace lemon { |
31 | 31 |
|
32 | 32 |
template <typename GR> |
33 | 33 |
class ListArcSetBase { |
34 | 34 |
public: |
35 | 35 |
|
36 |
typedef GR Graph; |
|
37 | 36 |
typedef typename GR::Node Node; |
38 | 37 |
typedef typename GR::NodeIt NodeIt; |
39 | 38 |
|
40 | 39 |
protected: |
41 | 40 |
|
42 | 41 |
struct NodeT { |
43 | 42 |
int first_out, first_in; |
44 | 43 |
NodeT() : first_out(-1), first_in(-1) {} |
45 | 44 |
}; |
46 | 45 |
|
47 | 46 |
typedef typename ItemSetTraits<GR, Node>:: |
48 | 47 |
template Map<NodeT>::Type NodesImplBase; |
49 | 48 |
|
50 | 49 |
NodesImplBase* _nodes; |
51 | 50 |
|
52 | 51 |
struct ArcT { |
53 | 52 |
Node source, target; |
54 | 53 |
int next_out, next_in; |
55 | 54 |
int prev_out, prev_in; |
56 | 55 |
ArcT() : prev_out(-1), prev_in(-1) {} |
57 | 56 |
}; |
58 | 57 |
|
59 | 58 |
std::vector<ArcT> arcs; |
60 | 59 |
|
61 | 60 |
int first_arc; |
62 | 61 |
int first_free_arc; |
63 | 62 |
|
64 | 63 |
const GR* _graph; |
65 | 64 |
|
66 | 65 |
void initalize(const GR& graph, NodesImplBase& nodes) { |
67 | 66 |
_graph = &graph; |
68 | 67 |
_nodes = &nodes; |
69 | 68 |
} |
70 | 69 |
|
71 | 70 |
public: |
72 | 71 |
|
73 | 72 |
class Arc { |
74 | 73 |
friend class ListArcSetBase<GR>; |
75 | 74 |
protected: |
76 | 75 |
Arc(int _id) : id(_id) {} |
77 | 76 |
int id; |
78 | 77 |
public: |
79 | 78 |
Arc() {} |
80 | 79 |
Arc(Invalid) : id(-1) {} |
81 | 80 |
bool operator==(const Arc& arc) const { return id == arc.id; } |
82 | 81 |
bool operator!=(const Arc& arc) const { return id != arc.id; } |
83 | 82 |
bool operator<(const Arc& arc) const { return id < arc.id; } |
84 | 83 |
}; |
85 | 84 |
|
86 | 85 |
ListArcSetBase() : first_arc(-1), first_free_arc(-1) {} |
87 | 86 |
|
88 | 87 |
Arc addArc(const Node& u, const Node& v) { |
89 | 88 |
int n; |
90 | 89 |
if (first_free_arc == -1) { |
91 | 90 |
n = arcs.size(); |
92 | 91 |
arcs.push_back(ArcT()); |
93 | 92 |
} else { |
94 | 93 |
n = first_free_arc; |
95 | 94 |
first_free_arc = arcs[first_free_arc].next_in; |
96 | 95 |
} |
97 | 96 |
arcs[n].next_in = (*_nodes)[v].first_in; |
98 | 97 |
if ((*_nodes)[v].first_in != -1) { |
99 | 98 |
arcs[(*_nodes)[v].first_in].prev_in = n; |
100 | 99 |
} |
... | ... |
@@ -147,275 +146,270 @@ |
147 | 146 |
} |
148 | 147 |
|
149 | 148 |
void next(Node& node) const { |
150 | 149 |
_graph->next(node); |
151 | 150 |
} |
152 | 151 |
|
153 | 152 |
void first(Arc& arc) const { |
154 | 153 |
Node node; |
155 | 154 |
first(node); |
156 | 155 |
while (node != INVALID && (*_nodes)[node].first_in == -1) { |
157 | 156 |
next(node); |
158 | 157 |
} |
159 | 158 |
arc.id = (node == INVALID) ? -1 : (*_nodes)[node].first_in; |
160 | 159 |
} |
161 | 160 |
|
162 | 161 |
void next(Arc& arc) const { |
163 | 162 |
if (arcs[arc.id].next_in != -1) { |
164 | 163 |
arc.id = arcs[arc.id].next_in; |
165 | 164 |
} else { |
166 | 165 |
Node node = arcs[arc.id].target; |
167 | 166 |
next(node); |
168 | 167 |
while (node != INVALID && (*_nodes)[node].first_in == -1) { |
169 | 168 |
next(node); |
170 | 169 |
} |
171 | 170 |
arc.id = (node == INVALID) ? -1 : (*_nodes)[node].first_in; |
172 | 171 |
} |
173 | 172 |
} |
174 | 173 |
|
175 | 174 |
void firstOut(Arc& arc, const Node& node) const { |
176 | 175 |
arc.id = (*_nodes)[node].first_out; |
177 | 176 |
} |
178 | 177 |
|
179 | 178 |
void nextOut(Arc& arc) const { |
180 | 179 |
arc.id = arcs[arc.id].next_out; |
181 | 180 |
} |
182 | 181 |
|
183 | 182 |
void firstIn(Arc& arc, const Node& node) const { |
184 | 183 |
arc.id = (*_nodes)[node].first_in; |
185 | 184 |
} |
186 | 185 |
|
187 | 186 |
void nextIn(Arc& arc) const { |
188 | 187 |
arc.id = arcs[arc.id].next_in; |
189 | 188 |
} |
190 | 189 |
|
191 | 190 |
int id(const Node& node) const { return _graph->id(node); } |
192 | 191 |
int id(const Arc& arc) const { return arc.id; } |
193 | 192 |
|
194 | 193 |
Node nodeFromId(int ix) const { return _graph->nodeFromId(ix); } |
195 | 194 |
Arc arcFromId(int ix) const { return Arc(ix); } |
196 | 195 |
|
197 | 196 |
int maxNodeId() const { return _graph->maxNodeId(); }; |
198 | 197 |
int maxArcId() const { return arcs.size() - 1; } |
199 | 198 |
|
200 | 199 |
Node source(const Arc& arc) const { return arcs[arc.id].source;} |
201 | 200 |
Node target(const Arc& arc) const { return arcs[arc.id].target;} |
202 | 201 |
|
203 | 202 |
typedef typename ItemSetTraits<GR, Node>::ItemNotifier NodeNotifier; |
204 | 203 |
|
205 | 204 |
NodeNotifier& notifier(Node) const { |
206 | 205 |
return _graph->notifier(Node()); |
207 | 206 |
} |
208 | 207 |
|
209 | 208 |
template <typename V> |
210 | 209 |
class NodeMap : public GR::template NodeMap<V> { |
210 |
typedef typename GR::template NodeMap<V> Parent; |
|
211 |
|
|
211 | 212 |
public: |
212 | 213 |
|
213 |
typedef typename GR::template NodeMap<V> Parent; |
|
214 |
|
|
215 | 214 |
explicit NodeMap(const ListArcSetBase<GR>& arcset) |
216 | 215 |
: Parent(*arcset._graph) {} |
217 | 216 |
|
218 | 217 |
NodeMap(const ListArcSetBase<GR>& arcset, const V& value) |
219 | 218 |
: Parent(*arcset._graph, value) {} |
220 | 219 |
|
221 | 220 |
NodeMap& operator=(const NodeMap& cmap) { |
222 | 221 |
return operator=<NodeMap>(cmap); |
223 | 222 |
} |
224 | 223 |
|
225 | 224 |
template <typename CMap> |
226 | 225 |
NodeMap& operator=(const CMap& cmap) { |
227 | 226 |
Parent::operator=(cmap); |
228 | 227 |
return *this; |
229 | 228 |
} |
230 | 229 |
}; |
231 | 230 |
|
232 | 231 |
}; |
233 | 232 |
|
234 | 233 |
/// \ingroup semi_adaptors |
235 | 234 |
/// |
236 | 235 |
/// \brief Digraph using a node set of another digraph or graph and |
237 | 236 |
/// an own arc set. |
238 | 237 |
/// |
239 | 238 |
/// This structure can be used to establish another directed graph |
240 | 239 |
/// over a node set of an existing one. This class uses the same |
241 | 240 |
/// Node type as the underlying graph, and each valid node of the |
242 | 241 |
/// original graph is valid in this arc set, therefore the node |
243 | 242 |
/// objects of the original graph can be used directly with this |
244 | 243 |
/// class. The node handling functions (id handling, observing, and |
245 | 244 |
/// iterators) works equivalently as in the original graph. |
246 | 245 |
/// |
247 | 246 |
/// This implementation is based on doubly-linked lists, from each |
248 | 247 |
/// node the outgoing and the incoming arcs make up lists, therefore |
249 | 248 |
/// one arc can be erased in constant time. It also makes possible, |
250 | 249 |
/// that node can be removed from the underlying graph, in this case |
251 | 250 |
/// all arcs incident to the given node is erased from the arc set. |
252 | 251 |
/// |
253 | 252 |
/// \param GR The type of the graph which shares its node set with |
254 | 253 |
/// this class. Its interface must conform to the |
255 | 254 |
/// \ref concepts::Digraph "Digraph" or \ref concepts::Graph "Graph" |
256 | 255 |
/// concept. |
257 | 256 |
/// |
258 | 257 |
/// This class fully conforms to the \ref concepts::Digraph |
259 | 258 |
/// "Digraph" concept. |
260 | 259 |
template <typename GR> |
261 | 260 |
class ListArcSet : public ArcSetExtender<ListArcSetBase<GR> > { |
261 |
typedef ArcSetExtender<ListArcSetBase<GR> > Parent; |
|
262 | 262 |
|
263 | 263 |
public: |
264 | 264 |
|
265 |
typedef ArcSetExtender<ListArcSetBase<GR> > Parent; |
|
266 |
|
|
267 | 265 |
typedef typename Parent::Node Node; |
268 | 266 |
typedef typename Parent::Arc Arc; |
269 | 267 |
|
270 |
typedef GR Graph; |
|
271 |
|
|
272 |
|
|
273 | 268 |
typedef typename Parent::NodesImplBase NodesImplBase; |
274 | 269 |
|
275 | 270 |
void eraseNode(const Node& node) { |
276 | 271 |
Arc arc; |
277 | 272 |
Parent::firstOut(arc, node); |
278 | 273 |
while (arc != INVALID ) { |
279 | 274 |
erase(arc); |
280 | 275 |
Parent::firstOut(arc, node); |
281 | 276 |
} |
282 | 277 |
|
283 | 278 |
Parent::firstIn(arc, node); |
284 | 279 |
while (arc != INVALID ) { |
285 | 280 |
erase(arc); |
286 | 281 |
Parent::firstIn(arc, node); |
287 | 282 |
} |
288 | 283 |
} |
289 | 284 |
|
290 | 285 |
void clearNodes() { |
291 | 286 |
Parent::clear(); |
292 | 287 |
} |
293 | 288 |
|
294 | 289 |
class NodesImpl : public NodesImplBase { |
295 |
public: |
|
296 | 290 |
typedef NodesImplBase Parent; |
297 | 291 |
|
292 |
public: |
|
298 | 293 |
NodesImpl(const GR& graph, ListArcSet& arcset) |
299 | 294 |
: Parent(graph), _arcset(arcset) {} |
300 | 295 |
|
301 | 296 |
virtual ~NodesImpl() {} |
302 | 297 |
|
303 | 298 |
protected: |
304 | 299 |
|
305 | 300 |
virtual void erase(const Node& node) { |
306 | 301 |
_arcset.eraseNode(node); |
307 | 302 |
Parent::erase(node); |
308 | 303 |
} |
309 | 304 |
virtual void erase(const std::vector<Node>& nodes) { |
310 | 305 |
for (int i = 0; i < int(nodes.size()); ++i) { |
311 | 306 |
_arcset.eraseNode(nodes[i]); |
312 | 307 |
} |
313 | 308 |
Parent::erase(nodes); |
314 | 309 |
} |
315 | 310 |
virtual void clear() { |
316 | 311 |
_arcset.clearNodes(); |
317 | 312 |
Parent::clear(); |
318 | 313 |
} |
319 | 314 |
|
320 | 315 |
private: |
321 | 316 |
ListArcSet& _arcset; |
322 | 317 |
}; |
323 | 318 |
|
324 | 319 |
NodesImpl _nodes; |
325 | 320 |
|
326 | 321 |
public: |
327 | 322 |
|
328 | 323 |
/// \brief Constructor of the ArcSet. |
329 | 324 |
/// |
330 | 325 |
/// Constructor of the ArcSet. |
331 | 326 |
ListArcSet(const GR& graph) : _nodes(graph, *this) { |
332 | 327 |
Parent::initalize(graph, _nodes); |
333 | 328 |
} |
334 | 329 |
|
335 | 330 |
/// \brief Add a new arc to the digraph. |
336 | 331 |
/// |
337 | 332 |
/// Add a new arc to the digraph with source node \c s |
338 | 333 |
/// and target node \c t. |
339 | 334 |
/// \return The new arc. |
340 | 335 |
Arc addArc(const Node& s, const Node& t) { |
341 | 336 |
return Parent::addArc(s, t); |
342 | 337 |
} |
343 | 338 |
|
344 | 339 |
/// \brief Erase an arc from the digraph. |
345 | 340 |
/// |
346 | 341 |
/// Erase an arc \c a from the digraph. |
347 | 342 |
void erase(const Arc& a) { |
348 | 343 |
return Parent::erase(a); |
349 | 344 |
} |
350 | 345 |
|
351 | 346 |
}; |
352 | 347 |
|
353 | 348 |
template <typename GR> |
354 | 349 |
class ListEdgeSetBase { |
355 | 350 |
public: |
356 | 351 |
|
357 |
typedef GR Graph; |
|
358 | 352 |
typedef typename GR::Node Node; |
359 | 353 |
typedef typename GR::NodeIt NodeIt; |
360 | 354 |
|
361 | 355 |
protected: |
362 | 356 |
|
363 | 357 |
struct NodeT { |
364 | 358 |
int first_out; |
365 | 359 |
NodeT() : first_out(-1) {} |
366 | 360 |
}; |
367 | 361 |
|
368 | 362 |
typedef typename ItemSetTraits<GR, Node>:: |
369 | 363 |
template Map<NodeT>::Type NodesImplBase; |
370 | 364 |
|
371 | 365 |
NodesImplBase* _nodes; |
372 | 366 |
|
373 | 367 |
struct ArcT { |
374 | 368 |
Node target; |
375 | 369 |
int prev_out, next_out; |
376 | 370 |
ArcT() : prev_out(-1), next_out(-1) {} |
377 | 371 |
}; |
378 | 372 |
|
379 | 373 |
std::vector<ArcT> arcs; |
380 | 374 |
|
381 | 375 |
int first_arc; |
382 | 376 |
int first_free_arc; |
383 | 377 |
|
384 | 378 |
const GR* _graph; |
385 | 379 |
|
386 | 380 |
void initalize(const GR& graph, NodesImplBase& nodes) { |
387 | 381 |
_graph = &graph; |
388 | 382 |
_nodes = &nodes; |
389 | 383 |
} |
390 | 384 |
|
391 | 385 |
public: |
392 | 386 |
|
393 | 387 |
class Edge { |
394 | 388 |
friend class ListEdgeSetBase; |
395 | 389 |
protected: |
396 | 390 |
|
397 | 391 |
int id; |
398 | 392 |
explicit Edge(int _id) { id = _id;} |
399 | 393 |
|
400 | 394 |
public: |
401 | 395 |
Edge() {} |
402 | 396 |
Edge (Invalid) { id = -1; } |
403 | 397 |
bool operator==(const Edge& arc) const {return id == arc.id;} |
404 | 398 |
bool operator!=(const Edge& arc) const {return id != arc.id;} |
405 | 399 |
bool operator<(const Edge& arc) const {return id < arc.id;} |
406 | 400 |
}; |
407 | 401 |
|
408 | 402 |
class Arc { |
409 | 403 |
friend class ListEdgeSetBase; |
410 | 404 |
protected: |
411 | 405 |
Arc(int _id) : id(_id) {} |
412 | 406 |
int id; |
413 | 407 |
public: |
414 | 408 |
operator Edge() const { return edgeFromId(id / 2); } |
415 | 409 |
|
416 | 410 |
Arc() {} |
417 | 411 |
Arc(Invalid) : id(-1) {} |
418 | 412 |
bool operator==(const Arc& arc) const { return id == arc.id; } |
419 | 413 |
bool operator!=(const Arc& arc) const { return id != arc.id; } |
420 | 414 |
bool operator<(const Arc& arc) const { return id < arc.id; } |
421 | 415 |
}; |
... | ... |
@@ -576,554 +570,545 @@ |
576 | 570 |
arc.id = (((*_nodes)[node].first_out) ^ 1); |
577 | 571 |
if (arc.id == -2) arc.id = -1; |
578 | 572 |
} |
579 | 573 |
|
580 | 574 |
void nextIn(Arc& arc) const { |
581 | 575 |
arc.id = ((arcs[arc.id ^ 1].next_out) ^ 1); |
582 | 576 |
if (arc.id == -2) arc.id = -1; |
583 | 577 |
} |
584 | 578 |
|
585 | 579 |
void firstInc(Edge &arc, bool& dir, const Node& node) const { |
586 | 580 |
int de = (*_nodes)[node].first_out; |
587 | 581 |
if (de != -1 ) { |
588 | 582 |
arc.id = de / 2; |
589 | 583 |
dir = ((de & 1) == 1); |
590 | 584 |
} else { |
591 | 585 |
arc.id = -1; |
592 | 586 |
dir = true; |
593 | 587 |
} |
594 | 588 |
} |
595 | 589 |
void nextInc(Edge &arc, bool& dir) const { |
596 | 590 |
int de = (arcs[(arc.id * 2) | (dir ? 1 : 0)].next_out); |
597 | 591 |
if (de != -1 ) { |
598 | 592 |
arc.id = de / 2; |
599 | 593 |
dir = ((de & 1) == 1); |
600 | 594 |
} else { |
601 | 595 |
arc.id = -1; |
602 | 596 |
dir = true; |
603 | 597 |
} |
604 | 598 |
} |
605 | 599 |
|
606 | 600 |
static bool direction(Arc arc) { |
607 | 601 |
return (arc.id & 1) == 1; |
608 | 602 |
} |
609 | 603 |
|
610 | 604 |
static Arc direct(Edge edge, bool dir) { |
611 | 605 |
return Arc(edge.id * 2 + (dir ? 1 : 0)); |
612 | 606 |
} |
613 | 607 |
|
614 | 608 |
int id(const Node& node) const { return _graph->id(node); } |
615 | 609 |
static int id(Arc e) { return e.id; } |
616 | 610 |
static int id(Edge e) { return e.id; } |
617 | 611 |
|
618 | 612 |
Node nodeFromId(int id) const { return _graph->nodeFromId(id); } |
619 | 613 |
static Arc arcFromId(int id) { return Arc(id);} |
620 | 614 |
static Edge edgeFromId(int id) { return Edge(id);} |
621 | 615 |
|
622 | 616 |
int maxNodeId() const { return _graph->maxNodeId(); }; |
623 | 617 |
int maxEdgeId() const { return arcs.size() / 2 - 1; } |
624 | 618 |
int maxArcId() const { return arcs.size()-1; } |
625 | 619 |
|
626 | 620 |
Node source(Arc e) const { return arcs[e.id ^ 1].target; } |
627 | 621 |
Node target(Arc e) const { return arcs[e.id].target; } |
628 | 622 |
|
629 | 623 |
Node u(Edge e) const { return arcs[2 * e.id].target; } |
630 | 624 |
Node v(Edge e) const { return arcs[2 * e.id + 1].target; } |
631 | 625 |
|
632 | 626 |
typedef typename ItemSetTraits<GR, Node>::ItemNotifier NodeNotifier; |
633 | 627 |
|
634 | 628 |
NodeNotifier& notifier(Node) const { |
635 | 629 |
return _graph->notifier(Node()); |
636 | 630 |
} |
637 | 631 |
|
638 | 632 |
template <typename V> |
639 | 633 |
class NodeMap : public GR::template NodeMap<V> { |
634 |
typedef typename GR::template NodeMap<V> Parent; |
|
635 |
|
|
640 | 636 |
public: |
641 | 637 |
|
642 |
typedef typename GR::template NodeMap<V> Parent; |
|
643 |
|
|
644 | 638 |
explicit NodeMap(const ListEdgeSetBase<GR>& arcset) |
645 | 639 |
: Parent(*arcset._graph) {} |
646 | 640 |
|
647 | 641 |
NodeMap(const ListEdgeSetBase<GR>& arcset, const V& value) |
648 | 642 |
: Parent(*arcset._graph, value) {} |
649 | 643 |
|
650 | 644 |
NodeMap& operator=(const NodeMap& cmap) { |
651 | 645 |
return operator=<NodeMap>(cmap); |
652 | 646 |
} |
653 | 647 |
|
654 | 648 |
template <typename CMap> |
655 | 649 |
NodeMap& operator=(const CMap& cmap) { |
656 | 650 |
Parent::operator=(cmap); |
657 | 651 |
return *this; |
658 | 652 |
} |
659 | 653 |
}; |
660 | 654 |
|
661 | 655 |
}; |
662 | 656 |
|
663 | 657 |
/// \ingroup semi_adaptors |
664 | 658 |
/// |
665 | 659 |
/// \brief Graph using a node set of another digraph or graph and an |
666 | 660 |
/// own edge set. |
667 | 661 |
/// |
668 | 662 |
/// This structure can be used to establish another graph over a |
669 | 663 |
/// node set of an existing one. This class uses the same Node type |
670 | 664 |
/// as the underlying graph, and each valid node of the original |
671 | 665 |
/// graph is valid in this arc set, therefore the node objects of |
672 | 666 |
/// the original graph can be used directly with this class. The |
673 | 667 |
/// node handling functions (id handling, observing, and iterators) |
674 | 668 |
/// works equivalently as in the original graph. |
675 | 669 |
/// |
676 | 670 |
/// This implementation is based on doubly-linked lists, from each |
677 | 671 |
/// node the incident edges make up lists, therefore one edge can be |
678 | 672 |
/// erased in constant time. It also makes possible, that node can |
679 | 673 |
/// be removed from the underlying graph, in this case all edges |
680 | 674 |
/// incident to the given node is erased from the arc set. |
681 | 675 |
/// |
682 | 676 |
/// \param GR The type of the graph which shares its node set |
683 | 677 |
/// with this class. Its interface must conform to the |
684 | 678 |
/// \ref concepts::Digraph "Digraph" or \ref concepts::Graph "Graph" |
685 | 679 |
/// concept. |
686 | 680 |
/// |
687 | 681 |
/// This class fully conforms to the \ref concepts::Graph "Graph" |
688 | 682 |
/// concept. |
689 | 683 |
template <typename GR> |
690 | 684 |
class ListEdgeSet : public EdgeSetExtender<ListEdgeSetBase<GR> > { |
685 |
typedef EdgeSetExtender<ListEdgeSetBase<GR> > Parent; |
|
691 | 686 |
|
692 | 687 |
public: |
693 | 688 |
|
694 |
typedef EdgeSetExtender<ListEdgeSetBase<GR> > Parent; |
|
695 |
|
|
696 | 689 |
typedef typename Parent::Node Node; |
697 | 690 |
typedef typename Parent::Arc Arc; |
698 | 691 |
typedef typename Parent::Edge Edge; |
699 | 692 |
|
700 |
typedef GR Graph; |
|
701 |
|
|
702 |
|
|
703 | 693 |
typedef typename Parent::NodesImplBase NodesImplBase; |
704 | 694 |
|
705 | 695 |
void eraseNode(const Node& node) { |
706 | 696 |
Arc arc; |
707 | 697 |
Parent::firstOut(arc, node); |
708 | 698 |
while (arc != INVALID ) { |
709 | 699 |
erase(arc); |
710 | 700 |
Parent::firstOut(arc, node); |
711 | 701 |
} |
712 | 702 |
|
713 | 703 |
} |
714 | 704 |
|
715 | 705 |
void clearNodes() { |
716 | 706 |
Parent::clear(); |
717 | 707 |
} |
718 | 708 |
|
719 | 709 |
class NodesImpl : public NodesImplBase { |
720 |
public: |
|
721 | 710 |
typedef NodesImplBase Parent; |
722 | 711 |
|
712 |
public: |
|
723 | 713 |
NodesImpl(const GR& graph, ListEdgeSet& arcset) |
724 | 714 |
: Parent(graph), _arcset(arcset) {} |
725 | 715 |
|
726 | 716 |
virtual ~NodesImpl() {} |
727 | 717 |
|
728 | 718 |
protected: |
729 | 719 |
|
730 | 720 |
virtual void erase(const Node& node) { |
731 | 721 |
_arcset.eraseNode(node); |
732 | 722 |
Parent::erase(node); |
733 | 723 |
} |
734 | 724 |
virtual void erase(const std::vector<Node>& nodes) { |
735 | 725 |
for (int i = 0; i < int(nodes.size()); ++i) { |
736 | 726 |
_arcset.eraseNode(nodes[i]); |
737 | 727 |
} |
738 | 728 |
Parent::erase(nodes); |
739 | 729 |
} |
740 | 730 |
virtual void clear() { |
741 | 731 |
_arcset.clearNodes(); |
742 | 732 |
Parent::clear(); |
743 | 733 |
} |
744 | 734 |
|
745 | 735 |
private: |
746 | 736 |
ListEdgeSet& _arcset; |
747 | 737 |
}; |
748 | 738 |
|
749 | 739 |
NodesImpl _nodes; |
750 | 740 |
|
751 | 741 |
public: |
752 | 742 |
|
753 | 743 |
/// \brief Constructor of the EdgeSet. |
754 | 744 |
/// |
755 | 745 |
/// Constructor of the EdgeSet. |
756 | 746 |
ListEdgeSet(const GR& graph) : _nodes(graph, *this) { |
757 | 747 |
Parent::initalize(graph, _nodes); |
758 | 748 |
} |
759 | 749 |
|
760 | 750 |
/// \brief Add a new edge to the graph. |
761 | 751 |
/// |
762 | 752 |
/// Add a new edge to the graph with node \c u |
763 | 753 |
/// and node \c v endpoints. |
764 | 754 |
/// \return The new edge. |
765 | 755 |
Edge addEdge(const Node& u, const Node& v) { |
766 | 756 |
return Parent::addEdge(u, v); |
767 | 757 |
} |
768 | 758 |
|
769 | 759 |
/// \brief Erase an edge from the graph. |
770 | 760 |
/// |
771 | 761 |
/// Erase the edge \c e from the graph. |
772 | 762 |
void erase(const Edge& e) { |
773 | 763 |
return Parent::erase(e); |
774 | 764 |
} |
775 | 765 |
|
776 | 766 |
}; |
777 | 767 |
|
778 | 768 |
template <typename GR> |
779 | 769 |
class SmartArcSetBase { |
780 | 770 |
public: |
781 | 771 |
|
782 |
typedef GR Graph; |
|
783 |
typedef typename Graph::Node Node; |
|
784 |
typedef typename |
|
772 |
typedef typename GR::Node Node; |
|
773 |
typedef typename GR::NodeIt NodeIt; |
|
785 | 774 |
|
786 | 775 |
protected: |
787 | 776 |
|
788 | 777 |
struct NodeT { |
789 | 778 |
int first_out, first_in; |
790 | 779 |
NodeT() : first_out(-1), first_in(-1) {} |
791 | 780 |
}; |
792 | 781 |
|
793 | 782 |
typedef typename ItemSetTraits<GR, Node>:: |
794 | 783 |
template Map<NodeT>::Type NodesImplBase; |
795 | 784 |
|
796 | 785 |
NodesImplBase* _nodes; |
797 | 786 |
|
798 | 787 |
struct ArcT { |
799 | 788 |
Node source, target; |
800 | 789 |
int next_out, next_in; |
801 | 790 |
ArcT() {} |
802 | 791 |
}; |
803 | 792 |
|
804 | 793 |
std::vector<ArcT> arcs; |
805 | 794 |
|
806 | 795 |
const GR* _graph; |
807 | 796 |
|
808 | 797 |
void initalize(const GR& graph, NodesImplBase& nodes) { |
809 | 798 |
_graph = &graph; |
810 | 799 |
_nodes = &nodes; |
811 | 800 |
} |
812 | 801 |
|
813 | 802 |
public: |
814 | 803 |
|
815 | 804 |
class Arc { |
816 | 805 |
friend class SmartArcSetBase<GR>; |
817 | 806 |
protected: |
818 | 807 |
Arc(int _id) : id(_id) {} |
819 | 808 |
int id; |
820 | 809 |
public: |
821 | 810 |
Arc() {} |
822 | 811 |
Arc(Invalid) : id(-1) {} |
823 | 812 |
bool operator==(const Arc& arc) const { return id == arc.id; } |
824 | 813 |
bool operator!=(const Arc& arc) const { return id != arc.id; } |
825 | 814 |
bool operator<(const Arc& arc) const { return id < arc.id; } |
826 | 815 |
}; |
827 | 816 |
|
828 | 817 |
SmartArcSetBase() {} |
829 | 818 |
|
830 | 819 |
Arc addArc(const Node& u, const Node& v) { |
831 | 820 |
int n = arcs.size(); |
832 | 821 |
arcs.push_back(ArcT()); |
833 | 822 |
arcs[n].next_in = (*_nodes)[v].first_in; |
834 | 823 |
(*_nodes)[v].first_in = n; |
835 | 824 |
arcs[n].next_out = (*_nodes)[u].first_out; |
836 | 825 |
(*_nodes)[u].first_out = n; |
837 | 826 |
arcs[n].source = u; |
838 | 827 |
arcs[n].target = v; |
839 | 828 |
return Arc(n); |
840 | 829 |
} |
841 | 830 |
|
842 | 831 |
void clear() { |
843 | 832 |
Node node; |
844 | 833 |
for (first(node); node != INVALID; next(node)) { |
845 | 834 |
(*_nodes)[node].first_in = -1; |
846 | 835 |
(*_nodes)[node].first_out = -1; |
847 | 836 |
} |
848 | 837 |
arcs.clear(); |
849 | 838 |
} |
850 | 839 |
|
851 | 840 |
void first(Node& node) const { |
852 | 841 |
_graph->first(node); |
853 | 842 |
} |
854 | 843 |
|
855 | 844 |
void next(Node& node) const { |
856 | 845 |
_graph->next(node); |
857 | 846 |
} |
858 | 847 |
|
859 | 848 |
void first(Arc& arc) const { |
860 | 849 |
arc.id = arcs.size() - 1; |
861 | 850 |
} |
862 | 851 |
|
863 | 852 |
void next(Arc& arc) const { |
864 | 853 |
--arc.id; |
865 | 854 |
} |
866 | 855 |
|
867 | 856 |
void firstOut(Arc& arc, const Node& node) const { |
868 | 857 |
arc.id = (*_nodes)[node].first_out; |
869 | 858 |
} |
870 | 859 |
|
871 | 860 |
void nextOut(Arc& arc) const { |
872 | 861 |
arc.id = arcs[arc.id].next_out; |
873 | 862 |
} |
874 | 863 |
|
875 | 864 |
void firstIn(Arc& arc, const Node& node) const { |
876 | 865 |
arc.id = (*_nodes)[node].first_in; |
877 | 866 |
} |
878 | 867 |
|
879 | 868 |
void nextIn(Arc& arc) const { |
880 | 869 |
arc.id = arcs[arc.id].next_in; |
881 | 870 |
} |
882 | 871 |
|
883 | 872 |
int id(const Node& node) const { return _graph->id(node); } |
884 | 873 |
int id(const Arc& arc) const { return arc.id; } |
885 | 874 |
|
886 | 875 |
Node nodeFromId(int ix) const { return _graph->nodeFromId(ix); } |
887 | 876 |
Arc arcFromId(int ix) const { return Arc(ix); } |
888 | 877 |
|
889 | 878 |
int maxNodeId() const { return _graph->maxNodeId(); }; |
890 | 879 |
int maxArcId() const { return arcs.size() - 1; } |
891 | 880 |
|
892 | 881 |
Node source(const Arc& arc) const { return arcs[arc.id].source;} |
893 | 882 |
Node target(const Arc& arc) const { return arcs[arc.id].target;} |
894 | 883 |
|
895 | 884 |
typedef typename ItemSetTraits<GR, Node>::ItemNotifier NodeNotifier; |
896 | 885 |
|
897 | 886 |
NodeNotifier& notifier(Node) const { |
898 | 887 |
return _graph->notifier(Node()); |
899 | 888 |
} |
900 | 889 |
|
901 | 890 |
template <typename V> |
902 | 891 |
class NodeMap : public GR::template NodeMap<V> { |
892 |
typedef typename GR::template NodeMap<V> Parent; |
|
893 |
|
|
903 | 894 |
public: |
904 | 895 |
|
905 |
typedef typename GR::template NodeMap<V> Parent; |
|
906 |
|
|
907 | 896 |
explicit NodeMap(const SmartArcSetBase<GR>& arcset) |
908 | 897 |
: Parent(*arcset._graph) { } |
909 | 898 |
|
910 | 899 |
NodeMap(const SmartArcSetBase<GR>& arcset, const V& value) |
911 | 900 |
: Parent(*arcset._graph, value) { } |
912 | 901 |
|
913 | 902 |
NodeMap& operator=(const NodeMap& cmap) { |
914 | 903 |
return operator=<NodeMap>(cmap); |
915 | 904 |
} |
916 | 905 |
|
917 | 906 |
template <typename CMap> |
918 | 907 |
NodeMap& operator=(const CMap& cmap) { |
919 | 908 |
Parent::operator=(cmap); |
920 | 909 |
return *this; |
921 | 910 |
} |
922 | 911 |
}; |
923 | 912 |
|
924 | 913 |
}; |
925 | 914 |
|
926 | 915 |
|
927 | 916 |
/// \ingroup semi_adaptors |
928 | 917 |
/// |
929 | 918 |
/// \brief Digraph using a node set of another digraph or graph and |
930 | 919 |
/// an own arc set. |
931 | 920 |
/// |
932 | 921 |
/// This structure can be used to establish another directed graph |
933 | 922 |
/// over a node set of an existing one. This class uses the same |
934 | 923 |
/// Node type as the underlying graph, and each valid node of the |
935 | 924 |
/// original graph is valid in this arc set, therefore the node |
936 | 925 |
/// objects of the original graph can be used directly with this |
937 | 926 |
/// class. The node handling functions (id handling, observing, and |
938 | 927 |
/// iterators) works equivalently as in the original graph. |
939 | 928 |
/// |
940 | 929 |
/// \param GR The type of the graph which shares its node set with |
941 | 930 |
/// this class. Its interface must conform to the |
942 | 931 |
/// \ref concepts::Digraph "Digraph" or \ref concepts::Graph "Graph" |
943 | 932 |
/// concept. |
944 | 933 |
/// |
945 | 934 |
/// This implementation is slightly faster than the \c ListArcSet, |
946 | 935 |
/// because it uses continuous storage for arcs and it uses just |
947 | 936 |
/// single-linked lists for enumerate outgoing and incoming |
948 | 937 |
/// arcs. Therefore the arcs cannot be erased from the arc sets. |
949 | 938 |
/// |
950 | 939 |
/// \warning If a node is erased from the underlying graph and this |
951 | 940 |
/// node is the source or target of one arc in the arc set, then |
952 | 941 |
/// the arc set is invalidated, and it cannot be used anymore. The |
953 | 942 |
/// validity can be checked with the \c valid() member function. |
954 | 943 |
/// |
955 | 944 |
/// This class fully conforms to the \ref concepts::Digraph |
956 | 945 |
/// "Digraph" concept. |
957 | 946 |
template <typename GR> |
958 | 947 |
class SmartArcSet : public ArcSetExtender<SmartArcSetBase<GR> > { |
948 |
typedef ArcSetExtender<SmartArcSetBase<GR> > Parent; |
|
959 | 949 |
|
960 | 950 |
public: |
961 | 951 |
|
962 |
typedef ArcSetExtender<SmartArcSetBase<GR> > Parent; |
|
963 |
|
|
964 | 952 |
typedef typename Parent::Node Node; |
965 | 953 |
typedef typename Parent::Arc Arc; |
966 | 954 |
|
967 |
typedef GR Graph; |
|
968 |
|
|
969 | 955 |
protected: |
970 | 956 |
|
971 | 957 |
typedef typename Parent::NodesImplBase NodesImplBase; |
972 | 958 |
|
973 | 959 |
void eraseNode(const Node& node) { |
974 | 960 |
if (typename Parent::InArcIt(*this, node) == INVALID && |
975 | 961 |
typename Parent::OutArcIt(*this, node) == INVALID) { |
976 | 962 |
return; |
977 | 963 |
} |
978 | 964 |
throw typename NodesImplBase::Notifier::ImmediateDetach(); |
979 | 965 |
} |
980 | 966 |
|
981 | 967 |
void clearNodes() { |
982 | 968 |
Parent::clear(); |
983 | 969 |
} |
984 | 970 |
|
985 | 971 |
class NodesImpl : public NodesImplBase { |
986 |
public: |
|
987 | 972 |
typedef NodesImplBase Parent; |
988 | 973 |
|
974 |
public: |
|
989 | 975 |
NodesImpl(const GR& graph, SmartArcSet& arcset) |
990 | 976 |
: Parent(graph), _arcset(arcset) {} |
991 | 977 |
|
992 | 978 |
virtual ~NodesImpl() {} |
993 | 979 |
|
994 | 980 |
bool attached() const { |
995 | 981 |
return Parent::attached(); |
996 | 982 |
} |
997 | 983 |
|
998 | 984 |
protected: |
999 | 985 |
|
1000 | 986 |
virtual void erase(const Node& node) { |
1001 | 987 |
try { |
1002 | 988 |
_arcset.eraseNode(node); |
1003 | 989 |
Parent::erase(node); |
1004 | 990 |
} catch (const typename NodesImplBase::Notifier::ImmediateDetach&) { |
1005 | 991 |
Parent::clear(); |
1006 | 992 |
throw; |
1007 | 993 |
} |
1008 | 994 |
} |
1009 | 995 |
virtual void erase(const std::vector<Node>& nodes) { |
1010 | 996 |
try { |
1011 | 997 |
for (int i = 0; i < int(nodes.size()); ++i) { |
1012 | 998 |
_arcset.eraseNode(nodes[i]); |
1013 | 999 |
} |
1014 | 1000 |
Parent::erase(nodes); |
1015 | 1001 |
} catch (const typename NodesImplBase::Notifier::ImmediateDetach&) { |
1016 | 1002 |
Parent::clear(); |
1017 | 1003 |
throw; |
1018 | 1004 |
} |
1019 | 1005 |
} |
1020 | 1006 |
virtual void clear() { |
1021 | 1007 |
_arcset.clearNodes(); |
1022 | 1008 |
Parent::clear(); |
1023 | 1009 |
} |
1024 | 1010 |
|
1025 | 1011 |
private: |
1026 | 1012 |
SmartArcSet& _arcset; |
1027 | 1013 |
}; |
1028 | 1014 |
|
1029 | 1015 |
NodesImpl _nodes; |
1030 | 1016 |
|
1031 | 1017 |
public: |
1032 | 1018 |
|
1033 | 1019 |
/// \brief Constructor of the ArcSet. |
1034 | 1020 |
/// |
1035 | 1021 |
/// Constructor of the ArcSet. |
1036 | 1022 |
SmartArcSet(const GR& graph) : _nodes(graph, *this) { |
1037 | 1023 |
Parent::initalize(graph, _nodes); |
1038 | 1024 |
} |
1039 | 1025 |
|
1040 | 1026 |
/// \brief Add a new arc to the digraph. |
1041 | 1027 |
/// |
1042 | 1028 |
/// Add a new arc to the digraph with source node \c s |
1043 | 1029 |
/// and target node \c t. |
1044 | 1030 |
/// \return The new arc. |
1045 | 1031 |
Arc addArc(const Node& s, const Node& t) { |
1046 | 1032 |
return Parent::addArc(s, t); |
1047 | 1033 |
} |
1048 | 1034 |
|
1049 | 1035 |
/// \brief Validity check |
1050 | 1036 |
/// |
1051 | 1037 |
/// This functions gives back false if the ArcSet is |
1052 | 1038 |
/// invalidated. It occurs when a node in the underlying graph is |
1053 | 1039 |
/// erased and it is not isolated in the ArcSet. |
1054 | 1040 |
bool valid() const { |
1055 | 1041 |
return _nodes.attached(); |
1056 | 1042 |
} |
1057 | 1043 |
|
1058 | 1044 |
}; |
1059 | 1045 |
|
1060 | 1046 |
|
1061 | 1047 |
template <typename GR> |
1062 | 1048 |
class SmartEdgeSetBase { |
1063 | 1049 |
public: |
1064 | 1050 |
|
1065 |
typedef GR Graph; |
|
1066 | 1051 |
typedef typename GR::Node Node; |
1067 | 1052 |
typedef typename GR::NodeIt NodeIt; |
1068 | 1053 |
|
1069 | 1054 |
protected: |
1070 | 1055 |
|
1071 | 1056 |
struct NodeT { |
1072 | 1057 |
int first_out; |
1073 | 1058 |
NodeT() : first_out(-1) {} |
1074 | 1059 |
}; |
1075 | 1060 |
|
1076 | 1061 |
typedef typename ItemSetTraits<GR, Node>:: |
1077 | 1062 |
template Map<NodeT>::Type NodesImplBase; |
1078 | 1063 |
|
1079 | 1064 |
NodesImplBase* _nodes; |
1080 | 1065 |
|
1081 | 1066 |
struct ArcT { |
1082 | 1067 |
Node target; |
1083 | 1068 |
int next_out; |
1084 | 1069 |
ArcT() {} |
1085 | 1070 |
}; |
1086 | 1071 |
|
1087 | 1072 |
std::vector<ArcT> arcs; |
1088 | 1073 |
|
1089 | 1074 |
const GR* _graph; |
1090 | 1075 |
|
1091 | 1076 |
void initalize(const GR& graph, NodesImplBase& nodes) { |
1092 | 1077 |
_graph = &graph; |
1093 | 1078 |
_nodes = &nodes; |
1094 | 1079 |
} |
1095 | 1080 |
|
1096 | 1081 |
public: |
1097 | 1082 |
|
1098 | 1083 |
class Edge { |
1099 | 1084 |
friend class SmartEdgeSetBase; |
1100 | 1085 |
protected: |
1101 | 1086 |
|
1102 | 1087 |
int id; |
1103 | 1088 |
explicit Edge(int _id) { id = _id;} |
1104 | 1089 |
|
1105 | 1090 |
public: |
1106 | 1091 |
Edge() {} |
1107 | 1092 |
Edge (Invalid) { id = -1; } |
1108 | 1093 |
bool operator==(const Edge& arc) const {return id == arc.id;} |
1109 | 1094 |
bool operator!=(const Edge& arc) const {return id != arc.id;} |
1110 | 1095 |
bool operator<(const Edge& arc) const {return id < arc.id;} |
1111 | 1096 |
}; |
1112 | 1097 |
|
1113 | 1098 |
class Arc { |
1114 | 1099 |
friend class SmartEdgeSetBase; |
1115 | 1100 |
protected: |
1116 | 1101 |
Arc(int _id) : id(_id) {} |
1117 | 1102 |
int id; |
1118 | 1103 |
public: |
1119 | 1104 |
operator Edge() const { return edgeFromId(id / 2); } |
1120 | 1105 |
|
1121 | 1106 |
Arc() {} |
1122 | 1107 |
Arc(Invalid) : id(-1) {} |
1123 | 1108 |
bool operator==(const Arc& arc) const { return id == arc.id; } |
1124 | 1109 |
bool operator!=(const Arc& arc) const { return id != arc.id; } |
1125 | 1110 |
bool operator<(const Arc& arc) const { return id < arc.id; } |
1126 | 1111 |
}; |
1127 | 1112 |
|
1128 | 1113 |
SmartEdgeSetBase() {} |
1129 | 1114 |
|
... | ... |
@@ -1188,213 +1173,210 @@ |
1188 | 1173 |
arc.id = (((*_nodes)[node].first_out) ^ 1); |
1189 | 1174 |
if (arc.id == -2) arc.id = -1; |
1190 | 1175 |
} |
1191 | 1176 |
|
1192 | 1177 |
void nextIn(Arc& arc) const { |
1193 | 1178 |
arc.id = ((arcs[arc.id ^ 1].next_out) ^ 1); |
1194 | 1179 |
if (arc.id == -2) arc.id = -1; |
1195 | 1180 |
} |
1196 | 1181 |
|
1197 | 1182 |
void firstInc(Edge &arc, bool& dir, const Node& node) const { |
1198 | 1183 |
int de = (*_nodes)[node].first_out; |
1199 | 1184 |
if (de != -1 ) { |
1200 | 1185 |
arc.id = de / 2; |
1201 | 1186 |
dir = ((de & 1) == 1); |
1202 | 1187 |
} else { |
1203 | 1188 |
arc.id = -1; |
1204 | 1189 |
dir = true; |
1205 | 1190 |
} |
1206 | 1191 |
} |
1207 | 1192 |
void nextInc(Edge &arc, bool& dir) const { |
1208 | 1193 |
int de = (arcs[(arc.id * 2) | (dir ? 1 : 0)].next_out); |
1209 | 1194 |
if (de != -1 ) { |
1210 | 1195 |
arc.id = de / 2; |
1211 | 1196 |
dir = ((de & 1) == 1); |
1212 | 1197 |
} else { |
1213 | 1198 |
arc.id = -1; |
1214 | 1199 |
dir = true; |
1215 | 1200 |
} |
1216 | 1201 |
} |
1217 | 1202 |
|
1218 | 1203 |
static bool direction(Arc arc) { |
1219 | 1204 |
return (arc.id & 1) == 1; |
1220 | 1205 |
} |
1221 | 1206 |
|
1222 | 1207 |
static Arc direct(Edge edge, bool dir) { |
1223 | 1208 |
return Arc(edge.id * 2 + (dir ? 1 : 0)); |
1224 | 1209 |
} |
1225 | 1210 |
|
1226 | 1211 |
int id(Node node) const { return _graph->id(node); } |
1227 | 1212 |
static int id(Arc arc) { return arc.id; } |
1228 | 1213 |
static int id(Edge arc) { return arc.id; } |
1229 | 1214 |
|
1230 | 1215 |
Node nodeFromId(int id) const { return _graph->nodeFromId(id); } |
1231 | 1216 |
static Arc arcFromId(int id) { return Arc(id); } |
1232 | 1217 |
static Edge edgeFromId(int id) { return Edge(id);} |
1233 | 1218 |
|
1234 | 1219 |
int maxNodeId() const { return _graph->maxNodeId(); }; |
1235 | 1220 |
int maxArcId() const { return arcs.size() - 1; } |
1236 | 1221 |
int maxEdgeId() const { return arcs.size() / 2 - 1; } |
1237 | 1222 |
|
1238 | 1223 |
Node source(Arc e) const { return arcs[e.id ^ 1].target; } |
1239 | 1224 |
Node target(Arc e) const { return arcs[e.id].target; } |
1240 | 1225 |
|
1241 | 1226 |
Node u(Edge e) const { return arcs[2 * e.id].target; } |
1242 | 1227 |
Node v(Edge e) const { return arcs[2 * e.id + 1].target; } |
1243 | 1228 |
|
1244 | 1229 |
typedef typename ItemSetTraits<GR, Node>::ItemNotifier NodeNotifier; |
1245 | 1230 |
|
1246 | 1231 |
NodeNotifier& notifier(Node) const { |
1247 | 1232 |
return _graph->notifier(Node()); |
1248 | 1233 |
} |
1249 | 1234 |
|
1250 | 1235 |
template <typename V> |
1251 | 1236 |
class NodeMap : public GR::template NodeMap<V> { |
1237 |
typedef typename GR::template NodeMap<V> Parent; |
|
1238 |
|
|
1252 | 1239 |
public: |
1253 | 1240 |
|
1254 |
typedef typename GR::template NodeMap<V> Parent; |
|
1255 |
|
|
1256 | 1241 |
explicit NodeMap(const SmartEdgeSetBase<GR>& arcset) |
1257 | 1242 |
: Parent(*arcset._graph) { } |
1258 | 1243 |
|
1259 | 1244 |
NodeMap(const SmartEdgeSetBase<GR>& arcset, const V& value) |
1260 | 1245 |
: Parent(*arcset._graph, value) { } |
1261 | 1246 |
|
1262 | 1247 |
NodeMap& operator=(const NodeMap& cmap) { |
1263 | 1248 |
return operator=<NodeMap>(cmap); |
1264 | 1249 |
} |
1265 | 1250 |
|
1266 | 1251 |
template <typename CMap> |
1267 | 1252 |
NodeMap& operator=(const CMap& cmap) { |
1268 | 1253 |
Parent::operator=(cmap); |
1269 | 1254 |
return *this; |
1270 | 1255 |
} |
1271 | 1256 |
}; |
1272 | 1257 |
|
1273 | 1258 |
}; |
1274 | 1259 |
|
1275 | 1260 |
/// \ingroup semi_adaptors |
1276 | 1261 |
/// |
1277 | 1262 |
/// \brief Graph using a node set of another digraph or graph and an |
1278 | 1263 |
/// own edge set. |
1279 | 1264 |
/// |
1280 | 1265 |
/// This structure can be used to establish another graph over a |
1281 | 1266 |
/// node set of an existing one. This class uses the same Node type |
1282 | 1267 |
/// as the underlying graph, and each valid node of the original |
1283 | 1268 |
/// graph is valid in this arc set, therefore the node objects of |
1284 | 1269 |
/// the original graph can be used directly with this class. The |
1285 | 1270 |
/// node handling functions (id handling, observing, and iterators) |
1286 | 1271 |
/// works equivalently as in the original graph. |
1287 | 1272 |
/// |
1288 | 1273 |
/// \param GR The type of the graph which shares its node set |
1289 | 1274 |
/// with this class. Its interface must conform to the |
1290 | 1275 |
/// \ref concepts::Digraph "Digraph" or \ref concepts::Graph "Graph" |
1291 | 1276 |
/// concept. |
1292 | 1277 |
/// |
1293 | 1278 |
/// This implementation is slightly faster than the \c ListEdgeSet, |
1294 | 1279 |
/// because it uses continuous storage for edges and it uses just |
1295 | 1280 |
/// single-linked lists for enumerate incident edges. Therefore the |
1296 | 1281 |
/// edges cannot be erased from the edge sets. |
1297 | 1282 |
/// |
1298 | 1283 |
/// \warning If a node is erased from the underlying graph and this |
1299 | 1284 |
/// node is incident to one edge in the edge set, then the edge set |
1300 | 1285 |
/// is invalidated, and it cannot be used anymore. The validity can |
1301 | 1286 |
/// be checked with the \c valid() member function. |
1302 | 1287 |
/// |
1303 | 1288 |
/// This class fully conforms to the \ref concepts::Graph |
1304 | 1289 |
/// "Graph" concept. |
1305 | 1290 |
template <typename GR> |
1306 | 1291 |
class SmartEdgeSet : public EdgeSetExtender<SmartEdgeSetBase<GR> > { |
1292 |
typedef EdgeSetExtender<SmartEdgeSetBase<GR> > Parent; |
|
1307 | 1293 |
|
1308 | 1294 |
public: |
1309 | 1295 |
|
1310 |
typedef EdgeSetExtender<SmartEdgeSetBase<GR> > Parent; |
|
1311 |
|
|
1312 | 1296 |
typedef typename Parent::Node Node; |
1313 | 1297 |
typedef typename Parent::Arc Arc; |
1314 | 1298 |
typedef typename Parent::Edge Edge; |
1315 | 1299 |
|
1316 |
typedef GR Graph; |
|
1317 |
|
|
1318 | 1300 |
protected: |
1319 | 1301 |
|
1320 | 1302 |
typedef typename Parent::NodesImplBase NodesImplBase; |
1321 | 1303 |
|
1322 | 1304 |
void eraseNode(const Node& node) { |
1323 | 1305 |
if (typename Parent::IncEdgeIt(*this, node) == INVALID) { |
1324 | 1306 |
return; |
1325 | 1307 |
} |
1326 | 1308 |
throw typename NodesImplBase::Notifier::ImmediateDetach(); |
1327 | 1309 |
} |
1328 | 1310 |
|
1329 | 1311 |
void clearNodes() { |
1330 | 1312 |
Parent::clear(); |
1331 | 1313 |
} |
1332 | 1314 |
|
1333 | 1315 |
class NodesImpl : public NodesImplBase { |
1334 |
public: |
|
1335 | 1316 |
typedef NodesImplBase Parent; |
1336 | 1317 |
|
1318 |
public: |
|
1337 | 1319 |
NodesImpl(const GR& graph, SmartEdgeSet& arcset) |
1338 | 1320 |
: Parent(graph), _arcset(arcset) {} |
1339 | 1321 |
|
1340 | 1322 |
virtual ~NodesImpl() {} |
1341 | 1323 |
|
1342 | 1324 |
bool attached() const { |
1343 | 1325 |
return Parent::attached(); |
1344 | 1326 |
} |
1345 | 1327 |
|
1346 | 1328 |
protected: |
1347 | 1329 |
|
1348 | 1330 |
virtual void erase(const Node& node) { |
1349 | 1331 |
try { |
1350 | 1332 |
_arcset.eraseNode(node); |
1351 | 1333 |
Parent::erase(node); |
1352 | 1334 |
} catch (const typename NodesImplBase::Notifier::ImmediateDetach&) { |
1353 | 1335 |
Parent::clear(); |
1354 | 1336 |
throw; |
1355 | 1337 |
} |
1356 | 1338 |
} |
1357 | 1339 |
virtual void erase(const std::vector<Node>& nodes) { |
1358 | 1340 |
try { |
1359 | 1341 |
for (int i = 0; i < int(nodes.size()); ++i) { |
1360 | 1342 |
_arcset.eraseNode(nodes[i]); |
1361 | 1343 |
} |
1362 | 1344 |
Parent::erase(nodes); |
1363 | 1345 |
} catch (const typename NodesImplBase::Notifier::ImmediateDetach&) { |
1364 | 1346 |
Parent::clear(); |
1365 | 1347 |
throw; |
1366 | 1348 |
} |
1367 | 1349 |
} |
1368 | 1350 |
virtual void clear() { |
1369 | 1351 |
_arcset.clearNodes(); |
1370 | 1352 |
Parent::clear(); |
1371 | 1353 |
} |
1372 | 1354 |
|
1373 | 1355 |
private: |
1374 | 1356 |
SmartEdgeSet& _arcset; |
1375 | 1357 |
}; |
1376 | 1358 |
|
1377 | 1359 |
NodesImpl _nodes; |
1378 | 1360 |
|
1379 | 1361 |
public: |
1380 | 1362 |
|
1381 | 1363 |
/// \brief Constructor of the EdgeSet. |
1382 | 1364 |
/// |
1383 | 1365 |
/// Constructor of the EdgeSet. |
1384 | 1366 |
SmartEdgeSet(const GR& graph) : _nodes(graph, *this) { |
1385 | 1367 |
Parent::initalize(graph, _nodes); |
1386 | 1368 |
} |
1387 | 1369 |
|
1388 | 1370 |
/// \brief Add a new edge to the graph. |
1389 | 1371 |
/// |
1390 | 1372 |
/// Add a new edge to the graph with node \c u |
1391 | 1373 |
/// and node \c v endpoints. |
1392 | 1374 |
/// \return The new edge. |
1393 | 1375 |
Edge addEdge(const Node& u, const Node& v) { |
1394 | 1376 |
return Parent::addEdge(u, v); |
1395 | 1377 |
} |
1396 | 1378 |
|
1397 | 1379 |
/// \brief Validity check |
1398 | 1380 |
/// |
1399 | 1381 |
/// This functions gives back false if the EdgeSet is |
1400 | 1382 |
/// invalidated. It occurs when a node in the underlying graph is |
1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
2 | 2 |
* |
3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
4 | 4 |
* |
5 | 5 |
* Copyright (C) 2003-2009 |
6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_FULL_GRAPH_H |
20 | 20 |
#define LEMON_FULL_GRAPH_H |
21 | 21 |
|
22 | 22 |
#include <lemon/core.h> |
23 | 23 |
#include <lemon/bits/graph_extender.h> |
24 | 24 |
|
25 | 25 |
///\ingroup graphs |
26 | 26 |
///\file |
27 | 27 |
///\brief FullGraph and FullDigraph classes. |
28 | 28 |
|
29 | 29 |
namespace lemon { |
30 | 30 |
|
31 | 31 |
class FullDigraphBase { |
32 | 32 |
public: |
33 | 33 |
|
34 |
typedef FullDigraphBase |
|
34 |
typedef FullDigraphBase Digraph; |
|
35 | 35 |
|
36 | 36 |
class Node; |
37 | 37 |
class Arc; |
38 | 38 |
|
39 | 39 |
protected: |
40 | 40 |
|
41 | 41 |
int _node_num; |
42 | 42 |
int _arc_num; |
43 | 43 |
|
44 | 44 |
FullDigraphBase() {} |
45 | 45 |
|
46 | 46 |
void construct(int n) { _node_num = n; _arc_num = n * n; } |
47 | 47 |
|
48 | 48 |
public: |
49 | 49 |
|
50 | 50 |
typedef True NodeNumTag; |
51 | 51 |
typedef True ArcNumTag; |
52 | 52 |
|
53 | 53 |
Node operator()(int ix) const { return Node(ix); } |
54 | 54 |
int index(const Node& node) const { return node._id; } |
55 | 55 |
|
56 | 56 |
Arc arc(const Node& s, const Node& t) const { |
57 | 57 |
return Arc(s._id * _node_num + t._id); |
58 | 58 |
} |
59 | 59 |
|
60 | 60 |
int nodeNum() const { return _node_num; } |
61 | 61 |
int arcNum() const { return _arc_num; } |
62 | 62 |
|
63 | 63 |
int maxNodeId() const { return _node_num - 1; } |
64 | 64 |
int maxArcId() const { return _arc_num - 1; } |
65 | 65 |
|
66 | 66 |
Node source(Arc arc) const { return arc._id / _node_num; } |
67 | 67 |
Node target(Arc arc) const { return arc._id % _node_num; } |
68 | 68 |
|
69 | 69 |
static int id(Node node) { return node._id; } |
70 | 70 |
static int id(Arc arc) { return arc._id; } |
71 | 71 |
|
72 | 72 |
static Node nodeFromId(int id) { return Node(id);} |
73 | 73 |
static Arc arcFromId(int id) { return Arc(id);} |
74 | 74 |
|
75 | 75 |
typedef True FindArcTag; |
76 | 76 |
|
77 | 77 |
Arc findArc(Node s, Node t, Arc prev = INVALID) const { |
78 | 78 |
return prev == INVALID ? arc(s, t) : INVALID; |
79 | 79 |
} |
80 | 80 |
|
81 | 81 |
class Node { |
82 | 82 |
friend class FullDigraphBase; |
83 | 83 |
|
84 | 84 |
protected: |
85 | 85 |
int _id; |
86 | 86 |
Node(int id) : _id(id) {} |
87 | 87 |
public: |
88 | 88 |
Node() {} |
89 | 89 |
Node (Invalid) : _id(-1) {} |
90 | 90 |
bool operator==(const Node node) const {return _id == node._id;} |
91 | 91 |
bool operator!=(const Node node) const {return _id != node._id;} |
92 | 92 |
bool operator<(const Node node) const {return _id < node._id;} |
93 | 93 |
}; |
94 | 94 |
|
95 | 95 |
class Arc { |
96 | 96 |
friend class FullDigraphBase; |
97 | 97 |
|
98 | 98 |
protected: |
... | ... |
@@ -108,197 +108,198 @@ |
108 | 108 |
bool operator<(const Arc arc) const {return _id < arc._id;} |
109 | 109 |
}; |
110 | 110 |
|
111 | 111 |
void first(Node& node) const { |
112 | 112 |
node._id = _node_num - 1; |
113 | 113 |
} |
114 | 114 |
|
115 | 115 |
static void next(Node& node) { |
116 | 116 |
--node._id; |
117 | 117 |
} |
118 | 118 |
|
119 | 119 |
void first(Arc& arc) const { |
120 | 120 |
arc._id = _arc_num - 1; |
121 | 121 |
} |
122 | 122 |
|
123 | 123 |
static void next(Arc& arc) { |
124 | 124 |
--arc._id; |
125 | 125 |
} |
126 | 126 |
|
127 | 127 |
void firstOut(Arc& arc, const Node& node) const { |
128 | 128 |
arc._id = (node._id + 1) * _node_num - 1; |
129 | 129 |
} |
130 | 130 |
|
131 | 131 |
void nextOut(Arc& arc) const { |
132 | 132 |
if (arc._id % _node_num == 0) arc._id = 0; |
133 | 133 |
--arc._id; |
134 | 134 |
} |
135 | 135 |
|
136 | 136 |
void firstIn(Arc& arc, const Node& node) const { |
137 | 137 |
arc._id = _arc_num + node._id - _node_num; |
138 | 138 |
} |
139 | 139 |
|
140 | 140 |
void nextIn(Arc& arc) const { |
141 | 141 |
arc._id -= _node_num; |
142 | 142 |
if (arc._id < 0) arc._id = -1; |
143 | 143 |
} |
144 | 144 |
|
145 | 145 |
}; |
146 | 146 |
|
147 | 147 |
typedef DigraphExtender<FullDigraphBase> ExtendedFullDigraphBase; |
148 | 148 |
|
149 | 149 |
/// \ingroup graphs |
150 | 150 |
/// |
151 | 151 |
/// \brief A full digraph class. |
152 | 152 |
/// |
153 | 153 |
/// This is a simple and fast directed full graph implementation. |
154 | 154 |
/// From each node go arcs to each node (including the source node), |
155 | 155 |
/// therefore the number of the arcs in the digraph is the square of |
156 | 156 |
/// the node number. This digraph type is completely static, so you |
157 | 157 |
/// can neither add nor delete either arcs or nodes, and it needs |
158 | 158 |
/// constant space in memory. |
159 | 159 |
/// |
160 | 160 |
/// This class fully conforms to the \ref concepts::Digraph |
161 | 161 |
/// "Digraph concept". |
162 | 162 |
/// |
163 | 163 |
/// The \c FullDigraph and \c FullGraph classes are very similar, |
164 | 164 |
/// but there are two differences. While this class conforms only |
165 | 165 |
/// to the \ref concepts::Digraph "Digraph" concept, the \c FullGraph |
166 | 166 |
/// class conforms to the \ref concepts::Graph "Graph" concept, |
167 | 167 |
/// moreover \c FullGraph does not contain a loop arc for each |
168 | 168 |
/// node as \c FullDigraph does. |
169 | 169 |
/// |
170 | 170 |
/// \sa FullGraph |
171 | 171 |
class FullDigraph : public ExtendedFullDigraphBase { |
172 |
typedef ExtendedFullDigraphBase Parent; |
|
173 |
|
|
172 | 174 |
public: |
173 | 175 |
|
174 |
typedef ExtendedFullDigraphBase Parent; |
|
175 |
|
|
176 | 176 |
/// \brief Constructor |
177 | 177 |
FullDigraph() { construct(0); } |
178 | 178 |
|
179 | 179 |
/// \brief Constructor |
180 | 180 |
/// |
181 | 181 |
/// Constructor. |
182 | 182 |
/// \param n The number of the nodes. |
183 | 183 |
FullDigraph(int n) { construct(n); } |
184 | 184 |
|
185 | 185 |
/// \brief Resizes the digraph |
186 | 186 |
/// |
187 | 187 |
/// Resizes the digraph. The function will fully destroy and |
188 | 188 |
/// rebuild the digraph. This cause that the maps of the digraph will |
189 | 189 |
/// reallocated automatically and the previous values will be lost. |
190 | 190 |
void resize(int n) { |
191 | 191 |
Parent::notifier(Arc()).clear(); |
192 | 192 |
Parent::notifier(Node()).clear(); |
193 | 193 |
construct(n); |
194 | 194 |
Parent::notifier(Node()).build(); |
195 | 195 |
Parent::notifier(Arc()).build(); |
196 | 196 |
} |
197 | 197 |
|
198 | 198 |
/// \brief Returns the node with the given index. |
199 | 199 |
/// |
200 | 200 |
/// Returns the node with the given index. Since it is a static |
201 | 201 |
/// digraph its nodes can be indexed with integers from the range |
202 | 202 |
/// <tt>[0..nodeNum()-1]</tt>. |
203 | 203 |
/// \sa index() |
204 | 204 |
Node operator()(int ix) const { return Parent::operator()(ix); } |
205 | 205 |
|
206 | 206 |
/// \brief Returns the index of the given node. |
207 | 207 |
/// |
208 | 208 |
/// Returns the index of the given node. Since it is a static |
209 | 209 |
/// digraph its nodes can be indexed with integers from the range |
210 | 210 |
/// <tt>[0..nodeNum()-1]</tt>. |
211 | 211 |
/// \sa operator() |
212 | 212 |
int index(const Node& node) const { return Parent::index(node); } |
213 | 213 |
|
214 | 214 |
/// \brief Returns the arc connecting the given nodes. |
215 | 215 |
/// |
216 | 216 |
/// Returns the arc connecting the given nodes. |
217 | 217 |
Arc arc(const Node& u, const Node& v) const { |
218 | 218 |
return Parent::arc(u, v); |
219 | 219 |
} |
220 | 220 |
|
221 | 221 |
/// \brief Number of nodes. |
222 | 222 |
int nodeNum() const { return Parent::nodeNum(); } |
223 | 223 |
/// \brief Number of arcs. |
224 | 224 |
int arcNum() const { return Parent::arcNum(); } |
225 | 225 |
}; |
226 | 226 |
|
227 | 227 |
|
228 | 228 |
class FullGraphBase { |
229 |
int _node_num; |
|
230 |
int _edge_num; |
|
231 | 229 |
public: |
232 | 230 |
|
233 | 231 |
typedef FullGraphBase Graph; |
234 | 232 |
|
235 | 233 |
class Node; |
236 | 234 |
class Arc; |
237 | 235 |
class Edge; |
238 | 236 |
|
239 | 237 |
protected: |
240 | 238 |
|
239 |
int _node_num; |
|
240 |
int _edge_num; |
|
241 |
|
|
241 | 242 |
FullGraphBase() {} |
242 | 243 |
|
243 | 244 |
void construct(int n) { _node_num = n; _edge_num = n * (n - 1) / 2; } |
244 | 245 |
|
245 | 246 |
int _uid(int e) const { |
246 | 247 |
int u = e / _node_num; |
247 | 248 |
int v = e % _node_num; |
248 | 249 |
return u < v ? u : _node_num - 2 - u; |
249 | 250 |
} |
250 | 251 |
|
251 | 252 |
int _vid(int e) const { |
252 | 253 |
int u = e / _node_num; |
253 | 254 |
int v = e % _node_num; |
254 | 255 |
return u < v ? v : _node_num - 1 - v; |
255 | 256 |
} |
256 | 257 |
|
257 | 258 |
void _uvid(int e, int& u, int& v) const { |
258 | 259 |
u = e / _node_num; |
259 | 260 |
v = e % _node_num; |
260 | 261 |
if (u >= v) { |
261 | 262 |
u = _node_num - 2 - u; |
262 | 263 |
v = _node_num - 1 - v; |
263 | 264 |
} |
264 | 265 |
} |
265 | 266 |
|
266 | 267 |
void _stid(int a, int& s, int& t) const { |
267 | 268 |
if ((a & 1) == 1) { |
268 | 269 |
_uvid(a >> 1, s, t); |
269 | 270 |
} else { |
270 | 271 |
_uvid(a >> 1, t, s); |
271 | 272 |
} |
272 | 273 |
} |
273 | 274 |
|
274 | 275 |
int _eid(int u, int v) const { |
275 | 276 |
if (u < (_node_num - 1) / 2) { |
276 | 277 |
return u * _node_num + v; |
277 | 278 |
} else { |
278 | 279 |
return (_node_num - 1 - u) * _node_num - v - 1; |
279 | 280 |
} |
280 | 281 |
} |
281 | 282 |
|
282 | 283 |
public: |
283 | 284 |
|
284 | 285 |
Node operator()(int ix) const { return Node(ix); } |
285 | 286 |
int index(const Node& node) const { return node._id; } |
286 | 287 |
|
287 | 288 |
Edge edge(const Node& u, const Node& v) const { |
288 | 289 |
if (u._id < v._id) { |
289 | 290 |
return Edge(_eid(u._id, v._id)); |
290 | 291 |
} else if (u._id != v._id) { |
291 | 292 |
return Edge(_eid(v._id, u._id)); |
292 | 293 |
} else { |
293 | 294 |
return INVALID; |
294 | 295 |
} |
295 | 296 |
} |
296 | 297 |
|
297 | 298 |
Arc arc(const Node& s, const Node& t) const { |
298 | 299 |
if (s._id < t._id) { |
299 | 300 |
return Arc((_eid(s._id, t._id) << 1) | 1); |
300 | 301 |
} else if (s._id != t._id) { |
301 | 302 |
return Arc(_eid(t._id, s._id) << 1); |
302 | 303 |
} else { |
303 | 304 |
return INVALID; |
304 | 305 |
} |
... | ... |
@@ -476,132 +477,132 @@ |
476 | 477 |
arc._id = (_eid(t, s) << 1); |
477 | 478 |
} else { |
478 | 479 |
if (s == t) --s; |
479 | 480 |
arc._id = (s != -1 ? (_eid(s, t) << 1) | 1 : -1); |
480 | 481 |
} |
481 | 482 |
} |
482 | 483 |
|
483 | 484 |
void firstInc(Edge& edge, bool& dir, const Node& node) const { |
484 | 485 |
int u = node._id, v = _node_num - 1; |
485 | 486 |
if (u < v) { |
486 | 487 |
edge._id = _eid(u, v); |
487 | 488 |
dir = true; |
488 | 489 |
} else { |
489 | 490 |
--v; |
490 | 491 |
edge._id = (v != -1 ? _eid(v, u) : -1); |
491 | 492 |
dir = false; |
492 | 493 |
} |
493 | 494 |
} |
494 | 495 |
|
495 | 496 |
void nextInc(Edge& edge, bool& dir) const { |
496 | 497 |
int u, v; |
497 | 498 |
if (dir) { |
498 | 499 |
_uvid(edge._id, u, v); |
499 | 500 |
--v; |
500 | 501 |
if (u < v) { |
501 | 502 |
edge._id = _eid(u, v); |
502 | 503 |
} else { |
503 | 504 |
--v; |
504 | 505 |
edge._id = (v != -1 ? _eid(v, u) : -1); |
505 | 506 |
dir = false; |
506 | 507 |
} |
507 | 508 |
} else { |
508 | 509 |
_uvid(edge._id, v, u); |
509 | 510 |
--v; |
510 | 511 |
edge._id = (v != -1 ? _eid(v, u) : -1); |
511 | 512 |
} |
512 | 513 |
} |
513 | 514 |
|
514 | 515 |
}; |
515 | 516 |
|
516 | 517 |
typedef GraphExtender<FullGraphBase> ExtendedFullGraphBase; |
517 | 518 |
|
518 | 519 |
/// \ingroup graphs |
519 | 520 |
/// |
520 | 521 |
/// \brief An undirected full graph class. |
521 | 522 |
/// |
522 | 523 |
/// This is a simple and fast undirected full graph |
523 | 524 |
/// implementation. From each node go edge to each other node, |
524 | 525 |
/// therefore the number of edges in the graph is \f$n(n-1)/2\f$. |
525 | 526 |
/// This graph type is completely static, so you can neither |
526 | 527 |
/// add nor delete either edges or nodes, and it needs constant |
527 | 528 |
/// space in memory. |
528 | 529 |
/// |
529 | 530 |
/// This class fully conforms to the \ref concepts::Graph "Graph concept". |
530 | 531 |
/// |
531 | 532 |
/// The \c FullGraph and \c FullDigraph classes are very similar, |
532 | 533 |
/// but there are two differences. While the \c FullDigraph class |
533 | 534 |
/// conforms only to the \ref concepts::Digraph "Digraph" concept, |
534 | 535 |
/// this class conforms to the \ref concepts::Graph "Graph" concept, |
535 | 536 |
/// moreover \c FullGraph does not contain a loop arc for each |
536 | 537 |
/// node as \c FullDigraph does. |
537 | 538 |
/// |
538 | 539 |
/// \sa FullDigraph |
539 | 540 |
class FullGraph : public ExtendedFullGraphBase { |
541 |
typedef ExtendedFullGraphBase Parent; |
|
542 |
|
|
540 | 543 |
public: |
541 | 544 |
|
542 |
typedef ExtendedFullGraphBase Parent; |
|
543 |
|
|
544 | 545 |
/// \brief Constructor |
545 | 546 |
FullGraph() { construct(0); } |
546 | 547 |
|
547 | 548 |
/// \brief Constructor |
548 | 549 |
/// |
549 | 550 |
/// Constructor. |
550 | 551 |
/// \param n The number of the nodes. |
551 | 552 |
FullGraph(int n) { construct(n); } |
552 | 553 |
|
553 | 554 |
/// \brief Resizes the graph |
554 | 555 |
/// |
555 | 556 |
/// Resizes the graph. The function will fully destroy and |
556 | 557 |
/// rebuild the graph. This cause that the maps of the graph will |
557 | 558 |
/// reallocated automatically and the previous values will be lost. |
558 | 559 |
void resize(int n) { |
559 | 560 |
Parent::notifier(Arc()).clear(); |
560 | 561 |
Parent::notifier(Edge()).clear(); |
561 | 562 |
Parent::notifier(Node()).clear(); |
562 | 563 |
construct(n); |
563 | 564 |
Parent::notifier(Node()).build(); |
564 | 565 |
Parent::notifier(Edge()).build(); |
565 | 566 |
Parent::notifier(Arc()).build(); |
566 | 567 |
} |
567 | 568 |
|
568 | 569 |
/// \brief Returns the node with the given index. |
569 | 570 |
/// |
570 | 571 |
/// Returns the node with the given index. Since it is a static |
571 | 572 |
/// graph its nodes can be indexed with integers from the range |
572 | 573 |
/// <tt>[0..nodeNum()-1]</tt>. |
573 | 574 |
/// \sa index() |
574 | 575 |
Node operator()(int ix) const { return Parent::operator()(ix); } |
575 | 576 |
|
576 | 577 |
/// \brief Returns the index of the given node. |
577 | 578 |
/// |
578 | 579 |
/// Returns the index of the given node. Since it is a static |
579 | 580 |
/// graph its nodes can be indexed with integers from the range |
580 | 581 |
/// <tt>[0..nodeNum()-1]</tt>. |
581 | 582 |
/// \sa operator() |
582 | 583 |
int index(const Node& node) const { return Parent::index(node); } |
583 | 584 |
|
584 | 585 |
/// \brief Returns the arc connecting the given nodes. |
585 | 586 |
/// |
586 | 587 |
/// Returns the arc connecting the given nodes. |
587 | 588 |
Arc arc(const Node& s, const Node& t) const { |
588 | 589 |
return Parent::arc(s, t); |
589 | 590 |
} |
590 | 591 |
|
591 | 592 |
/// \brief Returns the edge connects the given nodes. |
592 | 593 |
/// |
593 | 594 |
/// Returns the edge connects the given nodes. |
594 | 595 |
Edge edge(const Node& u, const Node& v) const { |
595 | 596 |
return Parent::edge(u, v); |
596 | 597 |
} |
597 | 598 |
|
598 | 599 |
/// \brief Number of nodes. |
599 | 600 |
int nodeNum() const { return Parent::nodeNum(); } |
600 | 601 |
/// \brief Number of arcs. |
601 | 602 |
int arcNum() const { return Parent::arcNum(); } |
602 | 603 |
/// \brief Number of edges. |
603 | 604 |
int edgeNum() const { return Parent::edgeNum(); } |
604 | 605 |
|
605 | 606 |
}; |
606 | 607 |
|
607 | 608 |
... | ... |
@@ -8,128 +8,129 @@ |
8 | 8 |
* |
9 | 9 |
* Permission to use, modify and distribute this software is granted |
10 | 10 |
* provided that this copyright notice appears in all copies. For |
11 | 11 |
* precise terms see the accompanying LICENSE file. |
12 | 12 |
* |
13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
14 | 14 |
* express or implied, and with no claim as to its suitability for any |
15 | 15 |
* purpose. |
16 | 16 |
* |
17 | 17 |
*/ |
18 | 18 |
|
19 | 19 |
#ifndef LEMON_GRAPH_TO_EPS_H |
20 | 20 |
#define LEMON_GRAPH_TO_EPS_H |
21 | 21 |
|
22 | 22 |
#include<iostream> |
23 | 23 |
#include<fstream> |
24 | 24 |
#include<sstream> |
25 | 25 |
#include<algorithm> |
26 | 26 |
#include<vector> |
27 | 27 |
|
28 | 28 |
#ifndef WIN32 |
29 | 29 |
#include<sys/time.h> |
30 | 30 |
#include<ctime> |
31 | 31 |
#else |
32 | 32 |
#include<lemon/bits/windows.h> |
33 | 33 |
#endif |
34 | 34 |
|
35 | 35 |
#include<lemon/math.h> |
36 | 36 |
#include<lemon/core.h> |
37 | 37 |
#include<lemon/dim2.h> |
38 | 38 |
#include<lemon/maps.h> |
39 | 39 |
#include<lemon/color.h> |
40 | 40 |
#include<lemon/bits/bezier.h> |
41 | 41 |
#include<lemon/error.h> |
42 | 42 |
|
43 | 43 |
|
44 | 44 |
///\ingroup eps_io |
45 | 45 |
///\file |
46 | 46 |
///\brief A well configurable tool for visualizing graphs |
47 | 47 |
|
48 | 48 |
namespace lemon { |
49 | 49 |
|
50 | 50 |
namespace _graph_to_eps_bits { |
51 | 51 |
template<class MT> |
52 | 52 |
class _NegY { |
53 | 53 |
public: |
54 | 54 |
typedef typename MT::Key Key; |
55 | 55 |
typedef typename MT::Value Value; |
56 | 56 |
const MT ↦ |
57 | 57 |
int yscale; |
58 | 58 |
_NegY(const MT &m,bool b) : map(m), yscale(1-b*2) {} |
59 | 59 |
Value operator[](Key n) { return Value(map[n].x,map[n].y*yscale);} |
60 | 60 |
}; |
61 | 61 |
} |
62 | 62 |
|
63 | 63 |
///Default traits class of GraphToEps |
64 | 64 |
|
65 | 65 |
///Default traits class of \ref GraphToEps. |
66 | 66 |
/// |
67 | 67 |
///\param GR is the type of the underlying graph. |
68 | 68 |
template<class GR> |
69 | 69 |
struct DefaultGraphToEpsTraits |
70 | 70 |
{ |
71 | 71 |
typedef GR Graph; |
72 |
typedef GR Digraph; |
|
72 | 73 |
typedef typename Graph::Node Node; |
73 | 74 |
typedef typename Graph::NodeIt NodeIt; |
74 | 75 |
typedef typename Graph::Arc Arc; |
75 | 76 |
typedef typename Graph::ArcIt ArcIt; |
76 | 77 |
typedef typename Graph::InArcIt InArcIt; |
77 | 78 |
typedef typename Graph::OutArcIt OutArcIt; |
78 | 79 |
|
79 | 80 |
|
80 | 81 |
const Graph &g; |
81 | 82 |
|
82 | 83 |
std::ostream& os; |
83 | 84 |
|
84 | 85 |
typedef ConstMap<typename Graph::Node,dim2::Point<double> > CoordsMapType; |
85 | 86 |
CoordsMapType _coords; |
86 | 87 |
ConstMap<typename Graph::Node,double > _nodeSizes; |
87 | 88 |
ConstMap<typename Graph::Node,int > _nodeShapes; |
88 | 89 |
|
89 | 90 |
ConstMap<typename Graph::Node,Color > _nodeColors; |
90 | 91 |
ConstMap<typename Graph::Arc,Color > _arcColors; |
91 | 92 |
|
92 | 93 |
ConstMap<typename Graph::Arc,double > _arcWidths; |
93 | 94 |
|
94 | 95 |
double _arcWidthScale; |
95 | 96 |
|
96 | 97 |
double _nodeScale; |
97 | 98 |
double _xBorder, _yBorder; |
98 | 99 |
double _scale; |
99 | 100 |
double _nodeBorderQuotient; |
100 | 101 |
|
101 | 102 |
bool _drawArrows; |
102 | 103 |
double _arrowLength, _arrowWidth; |
103 | 104 |
|
104 | 105 |
bool _showNodes, _showArcs; |
105 | 106 |
|
106 | 107 |
bool _enableParallel; |
107 | 108 |
double _parArcDist; |
108 | 109 |
|
109 | 110 |
bool _showNodeText; |
110 | 111 |
ConstMap<typename Graph::Node,bool > _nodeTexts; |
111 | 112 |
double _nodeTextSize; |
112 | 113 |
|
113 | 114 |
bool _showNodePsText; |
114 | 115 |
ConstMap<typename Graph::Node,bool > _nodePsTexts; |
115 | 116 |
char *_nodePsTextsPreamble; |
116 | 117 |
|
117 | 118 |
bool _undirected; |
118 | 119 |
|
119 | 120 |
bool _pleaseRemoveOsStream; |
120 | 121 |
|
121 | 122 |
bool _scaleToA4; |
122 | 123 |
|
123 | 124 |
std::string _title; |
124 | 125 |
std::string _copyright; |
125 | 126 |
|
126 | 127 |
enum NodeTextColorType |
127 | 128 |
{ DIST_COL=0, DIST_BW=1, CUST_COL=2, SAME_COL=3 } _nodeTextColorType; |
128 | 129 |
ConstMap<typename Graph::Node,Color > _nodeTextColors; |
129 | 130 |
|
130 | 131 |
bool _autoNodeScale; |
131 | 132 |
bool _autoArcWidthScale; |
132 | 133 |
|
133 | 134 |
bool _absoluteNodeSizes; |
134 | 135 |
bool _absoluteArcWidths; |
135 | 136 |
|
... | ... |
@@ -180,128 +181,129 @@ |
180 | 181 |
using T::g; |
181 | 182 |
using T::os; |
182 | 183 |
|
183 | 184 |
using T::_coords; |
184 | 185 |
using T::_nodeSizes; |
185 | 186 |
using T::_nodeShapes; |
186 | 187 |
using T::_nodeColors; |
187 | 188 |
using T::_arcColors; |
188 | 189 |
using T::_arcWidths; |
189 | 190 |
|
190 | 191 |
using T::_arcWidthScale; |
191 | 192 |
using T::_nodeScale; |
192 | 193 |
using T::_xBorder; |
193 | 194 |
using T::_yBorder; |
194 | 195 |
using T::_scale; |
195 | 196 |
using T::_nodeBorderQuotient; |
196 | 197 |
|
197 | 198 |
using T::_drawArrows; |
198 | 199 |
using T::_arrowLength; |
199 | 200 |
using T::_arrowWidth; |
200 | 201 |
|
201 | 202 |
using T::_showNodes; |
202 | 203 |
using T::_showArcs; |
203 | 204 |
|
204 | 205 |
using T::_enableParallel; |
205 | 206 |
using T::_parArcDist; |
206 | 207 |
|
207 | 208 |
using T::_showNodeText; |
208 | 209 |
using T::_nodeTexts; |
209 | 210 |
using T::_nodeTextSize; |
210 | 211 |
|
211 | 212 |
using T::_showNodePsText; |
212 | 213 |
using T::_nodePsTexts; |
213 | 214 |
using T::_nodePsTextsPreamble; |
214 | 215 |
|
215 | 216 |
using T::_undirected; |
216 | 217 |
|
217 | 218 |
using T::_pleaseRemoveOsStream; |
218 | 219 |
|
219 | 220 |
using T::_scaleToA4; |
220 | 221 |
|
221 | 222 |
using T::_title; |
222 | 223 |
using T::_copyright; |
223 | 224 |
|
224 | 225 |
using T::NodeTextColorType; |
225 | 226 |
using T::CUST_COL; |
226 | 227 |
using T::DIST_COL; |
227 | 228 |
using T::DIST_BW; |
228 | 229 |
using T::_nodeTextColorType; |
229 | 230 |
using T::_nodeTextColors; |
230 | 231 |
|
231 | 232 |
using T::_autoNodeScale; |
232 | 233 |
using T::_autoArcWidthScale; |
233 | 234 |
|
234 | 235 |
using T::_absoluteNodeSizes; |
235 | 236 |
using T::_absoluteArcWidths; |
236 | 237 |
|
237 | 238 |
|
238 | 239 |
using T::_negY; |
239 | 240 |
using T::_preScale; |
240 | 241 |
|
241 | 242 |
// dradnats ++C eht yb deriuqer si ti eveileb t'naC |
242 | 243 |
|
243 | 244 |
typedef typename T::Graph Graph; |
245 |
typedef typename T::Digraph Digraph; |
|
244 | 246 |
typedef typename Graph::Node Node; |
245 | 247 |
typedef typename Graph::NodeIt NodeIt; |
246 | 248 |
typedef typename Graph::Arc Arc; |
247 | 249 |
typedef typename Graph::ArcIt ArcIt; |
248 | 250 |
typedef typename Graph::InArcIt InArcIt; |
249 | 251 |
typedef typename Graph::OutArcIt OutArcIt; |
250 | 252 |
|
251 | 253 |
static const int INTERPOL_PREC; |
252 | 254 |
static const double A4HEIGHT; |
253 | 255 |
static const double A4WIDTH; |
254 | 256 |
static const double A4BORDER; |
255 | 257 |
|
256 | 258 |
bool dontPrint; |
257 | 259 |
|
258 | 260 |
public: |
259 | 261 |
///Node shapes |
260 | 262 |
|
261 | 263 |
///Node shapes. |
262 | 264 |
/// |
263 | 265 |
enum NodeShapes { |
264 | 266 |
/// = 0 |
265 | 267 |
///\image html nodeshape_0.png |
266 | 268 |
///\image latex nodeshape_0.eps "CIRCLE shape (0)" width=2cm |
267 | 269 |
CIRCLE=0, |
268 | 270 |
/// = 1 |
269 | 271 |
///\image html nodeshape_1.png |
270 | 272 |
///\image latex nodeshape_1.eps "SQUARE shape (1)" width=2cm |
271 | 273 |
SQUARE=1, |
272 | 274 |
/// = 2 |
273 | 275 |
///\image html nodeshape_2.png |
274 | 276 |
///\image latex nodeshape_2.eps "DIAMOND shape (2)" width=2cm |
275 | 277 |
DIAMOND=2, |
276 | 278 |
/// = 3 |
277 | 279 |
///\image html nodeshape_3.png |
278 | 280 |
///\image latex nodeshape_3.eps "MALE shape (3)" width=2cm |
279 | 281 |
MALE=3, |
280 | 282 |
/// = 4 |
281 | 283 |
///\image html nodeshape_4.png |
282 | 284 |
///\image latex nodeshape_4.eps "FEMALE shape (4)" width=2cm |
283 | 285 |
FEMALE=4 |
284 | 286 |
}; |
285 | 287 |
|
286 | 288 |
private: |
287 | 289 |
class arcLess { |
288 | 290 |
const Graph &g; |
289 | 291 |
public: |
290 | 292 |
arcLess(const Graph &_g) : g(_g) {} |
291 | 293 |
bool operator()(Arc a,Arc b) const |
292 | 294 |
{ |
293 | 295 |
Node ai=std::min(g.source(a),g.target(a)); |
294 | 296 |
Node aa=std::max(g.source(a),g.target(a)); |
295 | 297 |
Node bi=std::min(g.source(b),g.target(b)); |
296 | 298 |
Node ba=std::max(g.source(b),g.target(b)); |
297 | 299 |
return ai<bi || |
298 | 300 |
(ai==bi && (aa < ba || |
299 | 301 |
(aa==ba && ai==g.source(a) && bi==g.target(b)))); |
300 | 302 |
} |
301 | 303 |
}; |
302 | 304 |
bool isParallel(Arc e,Arc f) const |
303 | 305 |
{ |
304 | 306 |
return (g.source(e)==g.source(f)&& |
305 | 307 |
g.target(e)==g.target(f)) || |
306 | 308 |
(g.source(e)==g.target(f)&& |
307 | 309 |
g.target(e)==g.source(f)); |
... | ... |
@@ -438,132 +438,132 @@ |
438 | 438 |
(n._id / _width) * (_width - 1) - 1) << 1); |
439 | 439 |
} else { |
440 | 440 |
return INVALID; |
441 | 441 |
} |
442 | 442 |
} |
443 | 443 |
|
444 | 444 |
Arc up(Node n) const { |
445 | 445 |
if (n._id < _edge_limit) { |
446 | 446 |
return Arc((n._id << 1) | 1); |
447 | 447 |
} else { |
448 | 448 |
return INVALID; |
449 | 449 |
} |
450 | 450 |
} |
451 | 451 |
|
452 | 452 |
Arc down(Node n) const { |
453 | 453 |
if (n._id >= _width) { |
454 | 454 |
return Arc((n._id - _width) << 1); |
455 | 455 |
} else { |
456 | 456 |
return INVALID; |
457 | 457 |
} |
458 | 458 |
} |
459 | 459 |
|
460 | 460 |
private: |
461 | 461 |
int _width, _height; |
462 | 462 |
int _node_num, _edge_num; |
463 | 463 |
int _edge_limit; |
464 | 464 |
}; |
465 | 465 |
|
466 | 466 |
|
467 | 467 |
typedef GraphExtender<GridGraphBase> ExtendedGridGraphBase; |
468 | 468 |
|
469 | 469 |
/// \ingroup graphs |
470 | 470 |
/// |
471 | 471 |
/// \brief Grid graph class |
472 | 472 |
/// |
473 | 473 |
/// This class implements a special graph type. The nodes of the |
474 | 474 |
/// graph can be indexed by two integer \c (i,j) value where \c i is |
475 | 475 |
/// in the \c [0..width()-1] range and j is in the \c |
476 | 476 |
/// [0..height()-1] range. Two nodes are connected in the graph if |
477 | 477 |
/// the indexes differ exactly on one position and exactly one is |
478 | 478 |
/// the difference. The nodes of the graph can be indexed by position |
479 | 479 |
/// with the \c operator()() function. The positions of the nodes can be |
480 | 480 |
/// get with \c pos(), \c col() and \c row() members. The outgoing |
481 | 481 |
/// arcs can be retrieved with the \c right(), \c up(), \c left() |
482 | 482 |
/// and \c down() functions, where the bottom-left corner is the |
483 | 483 |
/// origin. |
484 | 484 |
/// |
485 | 485 |
/// \image html grid_graph.png |
486 | 486 |
/// \image latex grid_graph.eps "Grid graph" width=\textwidth |
487 | 487 |
/// |
488 | 488 |
/// A short example about the basic usage: |
489 | 489 |
///\code |
490 | 490 |
/// GridGraph graph(rows, cols); |
491 | 491 |
/// GridGraph::NodeMap<int> val(graph); |
492 | 492 |
/// for (int i = 0; i < graph.width(); ++i) { |
493 | 493 |
/// for (int j = 0; j < graph.height(); ++j) { |
494 | 494 |
/// val[graph(i, j)] = i + j; |
495 | 495 |
/// } |
496 | 496 |
/// } |
497 | 497 |
///\endcode |
498 | 498 |
/// |
499 | 499 |
/// This graph type fully conforms to the \ref concepts::Graph |
500 | 500 |
/// "Graph concept". |
501 | 501 |
class GridGraph : public ExtendedGridGraphBase { |
502 |
typedef ExtendedGridGraphBase Parent; |
|
503 |
|
|
502 | 504 |
public: |
503 | 505 |
|
504 |
typedef ExtendedGridGraphBase Parent; |
|
505 |
|
|
506 | 506 |
/// \brief Map to get the indices of the nodes as dim2::Point<int>. |
507 | 507 |
/// |
508 | 508 |
/// Map to get the indices of the nodes as dim2::Point<int>. |
509 | 509 |
class IndexMap { |
510 | 510 |
public: |
511 | 511 |
/// \brief The key type of the map |
512 | 512 |
typedef GridGraph::Node Key; |
513 | 513 |
/// \brief The value type of the map |
514 | 514 |
typedef dim2::Point<int> Value; |
515 | 515 |
|
516 | 516 |
/// \brief Constructor |
517 | 517 |
/// |
518 | 518 |
/// Constructor |
519 | 519 |
IndexMap(const GridGraph& graph) : _graph(graph) {} |
520 | 520 |
|
521 | 521 |
/// \brief The subscript operator |
522 | 522 |
/// |
523 | 523 |
/// The subscript operator. |
524 | 524 |
Value operator[](Key key) const { |
525 | 525 |
return _graph.pos(key); |
526 | 526 |
} |
527 | 527 |
|
528 | 528 |
private: |
529 | 529 |
const GridGraph& _graph; |
530 | 530 |
}; |
531 | 531 |
|
532 | 532 |
/// \brief Map to get the column of the nodes. |
533 | 533 |
/// |
534 | 534 |
/// Map to get the column of the nodes. |
535 | 535 |
class ColMap { |
536 | 536 |
public: |
537 | 537 |
/// \brief The key type of the map |
538 | 538 |
typedef GridGraph::Node Key; |
539 | 539 |
/// \brief The value type of the map |
540 | 540 |
typedef int Value; |
541 | 541 |
|
542 | 542 |
/// \brief Constructor |
543 | 543 |
/// |
544 | 544 |
/// Constructor |
545 | 545 |
ColMap(const GridGraph& graph) : _graph(graph) {} |
546 | 546 |
|
547 | 547 |
/// \brief The subscript operator |
548 | 548 |
/// |
549 | 549 |
/// The subscript operator. |
550 | 550 |
Value operator[](Key key) const { |
551 | 551 |
return _graph.col(key); |
552 | 552 |
} |
553 | 553 |
|
554 | 554 |
private: |
555 | 555 |
const GridGraph& _graph; |
556 | 556 |
}; |
557 | 557 |
|
558 | 558 |
/// \brief Map to get the row of the nodes. |
559 | 559 |
/// |
560 | 560 |
/// Map to get the row of the nodes. |
561 | 561 |
class RowMap { |
562 | 562 |
public: |
563 | 563 |
/// \brief The key type of the map |
564 | 564 |
typedef GridGraph::Node Key; |
565 | 565 |
/// \brief The value type of the map |
566 | 566 |
typedef int Value; |
567 | 567 |
|
568 | 568 |
/// \brief Constructor |
569 | 569 |
/// |
... | ... |
@@ -233,132 +233,132 @@ |
233 | 233 |
arc._id = (k << (_dim-1)) | |
234 | 234 |
((n._id >> (k+1)) << k) | (n._id & ((1 << k) - 1)); |
235 | 235 |
arc._id = (arc._id << 1) | ((n._id >> k) & 1); |
236 | 236 |
} else { |
237 | 237 |
arc._id = -1; |
238 | 238 |
} |
239 | 239 |
} |
240 | 240 |
|
241 | 241 |
static bool direction(Arc arc) { |
242 | 242 |
return (arc._id & 1) == 1; |
243 | 243 |
} |
244 | 244 |
|
245 | 245 |
static Arc direct(Edge edge, bool dir) { |
246 | 246 |
return Arc((edge._id << 1) | (dir ? 1 : 0)); |
247 | 247 |
} |
248 | 248 |
|
249 | 249 |
int dimension() const { |
250 | 250 |
return _dim; |
251 | 251 |
} |
252 | 252 |
|
253 | 253 |
bool projection(Node node, int n) const { |
254 | 254 |
return static_cast<bool>(node._id & (1 << n)); |
255 | 255 |
} |
256 | 256 |
|
257 | 257 |
int dimension(Edge edge) const { |
258 | 258 |
return edge._id >> (_dim-1); |
259 | 259 |
} |
260 | 260 |
|
261 | 261 |
int dimension(Arc arc) const { |
262 | 262 |
return arc._id >> _dim; |
263 | 263 |
} |
264 | 264 |
|
265 | 265 |
int index(Node node) const { |
266 | 266 |
return node._id; |
267 | 267 |
} |
268 | 268 |
|
269 | 269 |
Node operator()(int ix) const { |
270 | 270 |
return Node(ix); |
271 | 271 |
} |
272 | 272 |
|
273 | 273 |
private: |
274 | 274 |
int _dim; |
275 | 275 |
int _node_num, _edge_num; |
276 | 276 |
}; |
277 | 277 |
|
278 | 278 |
|
279 | 279 |
typedef GraphExtender<HypercubeGraphBase> ExtendedHypercubeGraphBase; |
280 | 280 |
|
281 | 281 |
/// \ingroup graphs |
282 | 282 |
/// |
283 | 283 |
/// \brief Hypercube graph class |
284 | 284 |
/// |
285 | 285 |
/// This class implements a special graph type. The nodes of the graph |
286 | 286 |
/// are indiced with integers with at most \c dim binary digits. |
287 | 287 |
/// Two nodes are connected in the graph if and only if their indices |
288 | 288 |
/// differ only on one position in the binary form. |
289 | 289 |
/// |
290 | 290 |
/// \note The type of the indices is chosen to \c int for efficiency |
291 | 291 |
/// reasons. Thus the maximum dimension of this implementation is 26 |
292 | 292 |
/// (assuming that the size of \c int is 32 bit). |
293 | 293 |
/// |
294 | 294 |
/// This graph type fully conforms to the \ref concepts::Graph |
295 | 295 |
/// "Graph concept". |
296 | 296 |
class HypercubeGraph : public ExtendedHypercubeGraphBase { |
297 |
typedef ExtendedHypercubeGraphBase Parent; |
|
298 |
|
|
297 | 299 |
public: |
298 | 300 |
|
299 |
typedef ExtendedHypercubeGraphBase Parent; |
|
300 |
|
|
301 | 301 |
/// \brief Constructs a hypercube graph with \c dim dimensions. |
302 | 302 |
/// |
303 | 303 |
/// Constructs a hypercube graph with \c dim dimensions. |
304 | 304 |
HypercubeGraph(int dim) { construct(dim); } |
305 | 305 |
|
306 | 306 |
/// \brief The number of dimensions. |
307 | 307 |
/// |
308 | 308 |
/// Gives back the number of dimensions. |
309 | 309 |
int dimension() const { |
310 | 310 |
return Parent::dimension(); |
311 | 311 |
} |
312 | 312 |
|
313 | 313 |
/// \brief Returns \c true if the n'th bit of the node is one. |
314 | 314 |
/// |
315 | 315 |
/// Returns \c true if the n'th bit of the node is one. |
316 | 316 |
bool projection(Node node, int n) const { |
317 | 317 |
return Parent::projection(node, n); |
318 | 318 |
} |
319 | 319 |
|
320 | 320 |
/// \brief The dimension id of an edge. |
321 | 321 |
/// |
322 | 322 |
/// Gives back the dimension id of the given edge. |
323 | 323 |
/// It is in the [0..dim-1] range. |
324 | 324 |
int dimension(Edge edge) const { |
325 | 325 |
return Parent::dimension(edge); |
326 | 326 |
} |
327 | 327 |
|
328 | 328 |
/// \brief The dimension id of an arc. |
329 | 329 |
/// |
330 | 330 |
/// Gives back the dimension id of the given arc. |
331 | 331 |
/// It is in the [0..dim-1] range. |
332 | 332 |
int dimension(Arc arc) const { |
333 | 333 |
return Parent::dimension(arc); |
334 | 334 |
} |
335 | 335 |
|
336 | 336 |
/// \brief The index of a node. |
337 | 337 |
/// |
338 | 338 |
/// Gives back the index of the given node. |
339 | 339 |
/// The lower bits of the integer describes the node. |
340 | 340 |
int index(Node node) const { |
341 | 341 |
return Parent::index(node); |
342 | 342 |
} |
343 | 343 |
|
344 | 344 |
/// \brief Gives back a node by its index. |
345 | 345 |
/// |
346 | 346 |
/// Gives back a node by its index. |
347 | 347 |
Node operator()(int ix) const { |
348 | 348 |
return Parent::operator()(ix); |
349 | 349 |
} |
350 | 350 |
|
351 | 351 |
/// \brief Number of nodes. |
352 | 352 |
int nodeNum() const { return Parent::nodeNum(); } |
353 | 353 |
/// \brief Number of edges. |
354 | 354 |
int edgeNum() const { return Parent::edgeNum(); } |
355 | 355 |
/// \brief Number of arcs. |
356 | 356 |
int arcNum() const { return Parent::arcNum(); } |
357 | 357 |
|
358 | 358 |
/// \brief Linear combination map. |
359 | 359 |
/// |
360 | 360 |
/// This map makes possible to give back a linear combination |
361 | 361 |
/// for each node. It works like the \c std::accumulate function, |
362 | 362 |
/// so it accumulates the \c bf binary function with the \c fv first |
363 | 363 |
/// value. The map accumulates only on that positions (dimensions) |
364 | 364 |
/// where the index of the node is one. The values that have to be |
... | ... |
@@ -262,144 +262,144 @@ |
262 | 262 |
arcs[n].next_in = first_free_arc; |
263 | 263 |
first_free_arc = n; |
264 | 264 |
arcs[n].prev_in = -2; |
265 | 265 |
} |
266 | 266 |
|
267 | 267 |
void clear() { |
268 | 268 |
arcs.clear(); |
269 | 269 |
nodes.clear(); |
270 | 270 |
first_node = first_free_node = first_free_arc = -1; |
271 | 271 |
} |
272 | 272 |
|
273 | 273 |
protected: |
274 | 274 |
void changeTarget(Arc e, Node n) |
275 | 275 |
{ |
276 | 276 |
if(arcs[e.id].next_in != -1) |
277 | 277 |
arcs[arcs[e.id].next_in].prev_in = arcs[e.id].prev_in; |
278 | 278 |
if(arcs[e.id].prev_in != -1) |
279 | 279 |
arcs[arcs[e.id].prev_in].next_in = arcs[e.id].next_in; |
280 | 280 |
else nodes[arcs[e.id].target].first_in = arcs[e.id].next_in; |
281 | 281 |
if (nodes[n.id].first_in != -1) { |
282 | 282 |
arcs[nodes[n.id].first_in].prev_in = e.id; |
283 | 283 |
} |
284 | 284 |
arcs[e.id].target = n.id; |
285 | 285 |
arcs[e.id].prev_in = -1; |
286 | 286 |
arcs[e.id].next_in = nodes[n.id].first_in; |
287 | 287 |
nodes[n.id].first_in = e.id; |
288 | 288 |
} |
289 | 289 |
void changeSource(Arc e, Node n) |
290 | 290 |
{ |
291 | 291 |
if(arcs[e.id].next_out != -1) |
292 | 292 |
arcs[arcs[e.id].next_out].prev_out = arcs[e.id].prev_out; |
293 | 293 |
if(arcs[e.id].prev_out != -1) |
294 | 294 |
arcs[arcs[e.id].prev_out].next_out = arcs[e.id].next_out; |
295 | 295 |
else nodes[arcs[e.id].source].first_out = arcs[e.id].next_out; |
296 | 296 |
if (nodes[n.id].first_out != -1) { |
297 | 297 |
arcs[nodes[n.id].first_out].prev_out = e.id; |
298 | 298 |
} |
299 | 299 |
arcs[e.id].source = n.id; |
300 | 300 |
arcs[e.id].prev_out = -1; |
301 | 301 |
arcs[e.id].next_out = nodes[n.id].first_out; |
302 | 302 |
nodes[n.id].first_out = e.id; |
303 | 303 |
} |
304 | 304 |
|
305 | 305 |
}; |
306 | 306 |
|
307 | 307 |
typedef DigraphExtender<ListDigraphBase> ExtendedListDigraphBase; |
308 | 308 |
|
309 | 309 |
/// \addtogroup graphs |
310 | 310 |
/// @{ |
311 | 311 |
|
312 | 312 |
///A general directed graph structure. |
313 | 313 |
|
314 | 314 |
///\ref ListDigraph is a simple and fast <em>directed graph</em> |
315 | 315 |
///implementation based on static linked lists that are stored in |
316 | 316 |
///\c std::vector structures. |
317 | 317 |
/// |
318 | 318 |
///It conforms to the \ref concepts::Digraph "Digraph concept" and it |
319 | 319 |
///also provides several useful additional functionalities. |
320 | 320 |
///Most of the member functions and nested classes are documented |
321 | 321 |
///only in the concept class. |
322 | 322 |
/// |
323 | 323 |
///\sa concepts::Digraph |
324 | 324 |
|
325 | 325 |
class ListDigraph : public ExtendedListDigraphBase { |
326 |
typedef ExtendedListDigraphBase Parent; |
|
327 |
|
|
326 | 328 |
private: |
327 | 329 |
///ListDigraph is \e not copy constructible. Use copyDigraph() instead. |
328 | 330 |
|
329 | 331 |
///ListDigraph is \e not copy constructible. Use copyDigraph() instead. |
330 | 332 |
/// |
331 | 333 |
ListDigraph(const ListDigraph &) :ExtendedListDigraphBase() {}; |
332 | 334 |
///\brief Assignment of ListDigraph to another one is \e not allowed. |
333 | 335 |
///Use copyDigraph() instead. |
334 | 336 |
|
335 | 337 |
///Assignment of ListDigraph to another one is \e not allowed. |
336 | 338 |
///Use copyDigraph() instead. |
337 | 339 |
void operator=(const ListDigraph &) {} |
338 | 340 |
public: |
339 | 341 |
|
340 |
typedef ExtendedListDigraphBase Parent; |
|
341 |
|
|
342 | 342 |
/// Constructor |
343 | 343 |
|
344 | 344 |
/// Constructor. |
345 | 345 |
/// |
346 | 346 |
ListDigraph() {} |
347 | 347 |
|
348 | 348 |
///Add a new node to the digraph. |
349 | 349 |
|
350 | 350 |
///Add a new node to the digraph. |
351 | 351 |
///\return The new node. |
352 | 352 |
Node addNode() { return Parent::addNode(); } |
353 | 353 |
|
354 | 354 |
///Add a new arc to the digraph. |
355 | 355 |
|
356 | 356 |
///Add a new arc to the digraph with source node \c s |
357 | 357 |
///and target node \c t. |
358 | 358 |
///\return The new arc. |
359 | 359 |
Arc addArc(const Node& s, const Node& t) { |
360 | 360 |
return Parent::addArc(s, t); |
361 | 361 |
} |
362 | 362 |
|
363 | 363 |
///\brief Erase a node from the digraph. |
364 | 364 |
/// |
365 | 365 |
///Erase a node from the digraph. |
366 | 366 |
/// |
367 | 367 |
void erase(const Node& n) { Parent::erase(n); } |
368 | 368 |
|
369 | 369 |
///\brief Erase an arc from the digraph. |
370 | 370 |
/// |
371 | 371 |
///Erase an arc from the digraph. |
372 | 372 |
/// |
373 | 373 |
void erase(const Arc& a) { Parent::erase(a); } |
374 | 374 |
|
375 | 375 |
/// Node validity check |
376 | 376 |
|
377 | 377 |
/// This function gives back true if the given node is valid, |
378 | 378 |
/// ie. it is a real node of the graph. |
379 | 379 |
/// |
380 | 380 |
/// \warning A Node pointing to a removed item |
381 | 381 |
/// could become valid again later if new nodes are |
382 | 382 |
/// added to the graph. |
383 | 383 |
bool valid(Node n) const { return Parent::valid(n); } |
384 | 384 |
|
385 | 385 |
/// Arc validity check |
386 | 386 |
|
387 | 387 |
/// This function gives back true if the given arc is valid, |
388 | 388 |
/// ie. it is a real arc of the graph. |
389 | 389 |
/// |
390 | 390 |
/// \warning An Arc pointing to a removed item |
391 | 391 |
/// could become valid again later if new nodes are |
392 | 392 |
/// added to the graph. |
393 | 393 |
bool valid(Arc a) const { return Parent::valid(a); } |
394 | 394 |
|
395 | 395 |
/// Change the target of \c a to \c n |
396 | 396 |
|
397 | 397 |
/// Change the target of \c a to \c n |
398 | 398 |
/// |
399 | 399 |
///\note The <tt>ArcIt</tt>s and <tt>OutArcIt</tt>s referencing |
400 | 400 |
///the changed arc remain valid. However <tt>InArcIt</tt>s are |
401 | 401 |
///invalidated. |
402 | 402 |
/// |
403 | 403 |
///\warning This functionality cannot be used together with the Snapshot |
404 | 404 |
///feature. |
405 | 405 |
void changeTarget(Arc a, Node n) { |
... | ... |
@@ -732,129 +732,129 @@ |
732 | 732 |
/// call, the previous snapshot gets lost. |
733 | 733 |
/// \param _digraph The digraph we make the snapshot of. |
734 | 734 |
void save(ListDigraph &_digraph) { |
735 | 735 |
if (attached()) { |
736 | 736 |
detach(); |
737 | 737 |
clear(); |
738 | 738 |
} |
739 | 739 |
attach(_digraph); |
740 | 740 |
} |
741 | 741 |
|
742 | 742 |
/// \brief Undo the changes until the last snapshot. |
743 | 743 |
// |
744 | 744 |
/// Undo the changes until the last snapshot created by save(). |
745 | 745 |
void restore() { |
746 | 746 |
detach(); |
747 | 747 |
for(std::list<Arc>::iterator it = added_arcs.begin(); |
748 | 748 |
it != added_arcs.end(); ++it) { |
749 | 749 |
digraph->erase(*it); |
750 | 750 |
} |
751 | 751 |
for(std::list<Node>::iterator it = added_nodes.begin(); |
752 | 752 |
it != added_nodes.end(); ++it) { |
753 | 753 |
digraph->erase(*it); |
754 | 754 |
} |
755 | 755 |
clear(); |
756 | 756 |
} |
757 | 757 |
|
758 | 758 |
/// \brief Gives back true when the snapshot is valid. |
759 | 759 |
/// |
760 | 760 |
/// Gives back true when the snapshot is valid. |
761 | 761 |
bool valid() const { |
762 | 762 |
return attached(); |
763 | 763 |
} |
764 | 764 |
}; |
765 | 765 |
|
766 | 766 |
}; |
767 | 767 |
|
768 | 768 |
///@} |
769 | 769 |
|
770 | 770 |
class ListGraphBase { |
771 | 771 |
|
772 | 772 |
protected: |
773 | 773 |
|
774 | 774 |
struct NodeT { |
775 | 775 |
int first_out; |
776 | 776 |
int prev, next; |
777 | 777 |
}; |
778 | 778 |
|
779 | 779 |
struct ArcT { |
780 | 780 |
int target; |
781 | 781 |
int prev_out, next_out; |
782 | 782 |
}; |
783 | 783 |
|
784 | 784 |
std::vector<NodeT> nodes; |
785 | 785 |
|
786 | 786 |
int first_node; |
787 | 787 |
|
788 | 788 |
int first_free_node; |
789 | 789 |
|
790 | 790 |
std::vector<ArcT> arcs; |
791 | 791 |
|
792 | 792 |
int first_free_arc; |
793 | 793 |
|
794 | 794 |
public: |
795 | 795 |
|
796 |
typedef ListGraphBase |
|
796 |
typedef ListGraphBase Graph; |
|
797 | 797 |
|
798 | 798 |
class Node; |
799 | 799 |
class Arc; |
800 | 800 |
class Edge; |
801 | 801 |
|
802 | 802 |
class Node { |
803 | 803 |
friend class ListGraphBase; |
804 | 804 |
protected: |
805 | 805 |
|
806 | 806 |
int id; |
807 | 807 |
explicit Node(int pid) { id = pid;} |
808 | 808 |
|
809 | 809 |
public: |
810 | 810 |
Node() {} |
811 | 811 |
Node (Invalid) { id = -1; } |
812 | 812 |
bool operator==(const Node& node) const {return id == node.id;} |
813 | 813 |
bool operator!=(const Node& node) const {return id != node.id;} |
814 | 814 |
bool operator<(const Node& node) const {return id < node.id;} |
815 | 815 |
}; |
816 | 816 |
|
817 | 817 |
class Edge { |
818 | 818 |
friend class ListGraphBase; |
819 | 819 |
protected: |
820 | 820 |
|
821 | 821 |
int id; |
822 | 822 |
explicit Edge(int pid) { id = pid;} |
823 | 823 |
|
824 | 824 |
public: |
825 | 825 |
Edge() {} |
826 | 826 |
Edge (Invalid) { id = -1; } |
827 | 827 |
bool operator==(const Edge& edge) const {return id == edge.id;} |
828 | 828 |
bool operator!=(const Edge& edge) const {return id != edge.id;} |
829 | 829 |
bool operator<(const Edge& edge) const {return id < edge.id;} |
830 | 830 |
}; |
831 | 831 |
|
832 | 832 |
class Arc { |
833 | 833 |
friend class ListGraphBase; |
834 | 834 |
protected: |
835 | 835 |
|
836 | 836 |
int id; |
837 | 837 |
explicit Arc(int pid) { id = pid;} |
838 | 838 |
|
839 | 839 |
public: |
840 | 840 |
operator Edge() const { |
841 | 841 |
return id != -1 ? edgeFromId(id / 2) : INVALID; |
842 | 842 |
} |
843 | 843 |
|
844 | 844 |
Arc() {} |
845 | 845 |
Arc (Invalid) { id = -1; } |
846 | 846 |
bool operator==(const Arc& arc) const {return id == arc.id;} |
847 | 847 |
bool operator!=(const Arc& arc) const {return id != arc.id;} |
848 | 848 |
bool operator<(const Arc& arc) const {return id < arc.id;} |
849 | 849 |
}; |
850 | 850 |
|
851 | 851 |
|
852 | 852 |
|
853 | 853 |
ListGraphBase() |
854 | 854 |
: nodes(), first_node(-1), |
855 | 855 |
first_free_node(-1), arcs(), first_free_arc(-1) {} |
856 | 856 |
|
857 | 857 |
|
858 | 858 |
int maxNodeId() const { return nodes.size()-1; } |
859 | 859 |
int maxEdgeId() const { return arcs.size() / 2 - 1; } |
860 | 860 |
int maxArcId() const { return arcs.size()-1; } |
... | ... |
@@ -1115,149 +1115,149 @@ |
1115 | 1115 |
if(arcs[2 * e.id].next_out != -1) { |
1116 | 1116 |
arcs[arcs[2 * e.id].next_out].prev_out = arcs[2 * e.id].prev_out; |
1117 | 1117 |
} |
1118 | 1118 |
if(arcs[2 * e.id].prev_out != -1) { |
1119 | 1119 |
arcs[arcs[2 * e.id].prev_out].next_out = |
1120 | 1120 |
arcs[2 * e.id].next_out; |
1121 | 1121 |
} else { |
1122 | 1122 |
nodes[arcs[(2 * e.id) | 1].target].first_out = |
1123 | 1123 |
arcs[2 * e.id].next_out; |
1124 | 1124 |
} |
1125 | 1125 |
|
1126 | 1126 |
if (nodes[n.id].first_out != -1) { |
1127 | 1127 |
arcs[nodes[n.id].first_out].prev_out = 2 * e.id; |
1128 | 1128 |
} |
1129 | 1129 |
arcs[(2 * e.id) | 1].target = n.id; |
1130 | 1130 |
arcs[2 * e.id].prev_out = -1; |
1131 | 1131 |
arcs[2 * e.id].next_out = nodes[n.id].first_out; |
1132 | 1132 |
nodes[n.id].first_out = 2 * e.id; |
1133 | 1133 |
} |
1134 | 1134 |
|
1135 | 1135 |
void changeU(Edge e, Node n) { |
1136 | 1136 |
if(arcs[(2 * e.id) | 1].next_out != -1) { |
1137 | 1137 |
arcs[arcs[(2 * e.id) | 1].next_out].prev_out = |
1138 | 1138 |
arcs[(2 * e.id) | 1].prev_out; |
1139 | 1139 |
} |
1140 | 1140 |
if(arcs[(2 * e.id) | 1].prev_out != -1) { |
1141 | 1141 |
arcs[arcs[(2 * e.id) | 1].prev_out].next_out = |
1142 | 1142 |
arcs[(2 * e.id) | 1].next_out; |
1143 | 1143 |
} else { |
1144 | 1144 |
nodes[arcs[2 * e.id].target].first_out = |
1145 | 1145 |
arcs[(2 * e.id) | 1].next_out; |
1146 | 1146 |
} |
1147 | 1147 |
|
1148 | 1148 |
if (nodes[n.id].first_out != -1) { |
1149 | 1149 |
arcs[nodes[n.id].first_out].prev_out = ((2 * e.id) | 1); |
1150 | 1150 |
} |
1151 | 1151 |
arcs[2 * e.id].target = n.id; |
1152 | 1152 |
arcs[(2 * e.id) | 1].prev_out = -1; |
1153 | 1153 |
arcs[(2 * e.id) | 1].next_out = nodes[n.id].first_out; |
1154 | 1154 |
nodes[n.id].first_out = ((2 * e.id) | 1); |
1155 | 1155 |
} |
1156 | 1156 |
|
1157 | 1157 |
}; |
1158 | 1158 |
|
1159 | 1159 |
typedef GraphExtender<ListGraphBase> ExtendedListGraphBase; |
1160 | 1160 |
|
1161 | 1161 |
|
1162 | 1162 |
/// \addtogroup graphs |
1163 | 1163 |
/// @{ |
1164 | 1164 |
|
1165 | 1165 |
///A general undirected graph structure. |
1166 | 1166 |
|
1167 | 1167 |
///\ref ListGraph is a simple and fast <em>undirected graph</em> |
1168 | 1168 |
///implementation based on static linked lists that are stored in |
1169 | 1169 |
///\c std::vector structures. |
1170 | 1170 |
/// |
1171 | 1171 |
///It conforms to the \ref concepts::Graph "Graph concept" and it |
1172 | 1172 |
///also provides several useful additional functionalities. |
1173 | 1173 |
///Most of the member functions and nested classes are documented |
1174 | 1174 |
///only in the concept class. |
1175 | 1175 |
/// |
1176 | 1176 |
///\sa concepts::Graph |
1177 | 1177 |
|
1178 | 1178 |
class ListGraph : public ExtendedListGraphBase { |
1179 |
typedef ExtendedListGraphBase Parent; |
|
1180 |
|
|
1179 | 1181 |
private: |
1180 | 1182 |
///ListGraph is \e not copy constructible. Use copyGraph() instead. |
1181 | 1183 |
|
1182 | 1184 |
///ListGraph is \e not copy constructible. Use copyGraph() instead. |
1183 | 1185 |
/// |
1184 | 1186 |
ListGraph(const ListGraph &) :ExtendedListGraphBase() {}; |
1185 | 1187 |
///\brief Assignment of ListGraph to another one is \e not allowed. |
1186 | 1188 |
///Use copyGraph() instead. |
1187 | 1189 |
|
1188 | 1190 |
///Assignment of ListGraph to another one is \e not allowed. |
1189 | 1191 |
///Use copyGraph() instead. |
1190 | 1192 |
void operator=(const ListGraph &) {} |
1191 | 1193 |
public: |
1192 | 1194 |
/// Constructor |
1193 | 1195 |
|
1194 | 1196 |
/// Constructor. |
1195 | 1197 |
/// |
1196 | 1198 |
ListGraph() {} |
1197 | 1199 |
|
1198 |
typedef ExtendedListGraphBase Parent; |
|
1199 |
|
|
1200 | 1200 |
typedef Parent::OutArcIt IncEdgeIt; |
1201 | 1201 |
|
1202 | 1202 |
/// \brief Add a new node to the graph. |
1203 | 1203 |
/// |
1204 | 1204 |
/// Add a new node to the graph. |
1205 | 1205 |
/// \return The new node. |
1206 | 1206 |
Node addNode() { return Parent::addNode(); } |
1207 | 1207 |
|
1208 | 1208 |
/// \brief Add a new edge to the graph. |
1209 | 1209 |
/// |
1210 | 1210 |
/// Add a new edge to the graph with source node \c s |
1211 | 1211 |
/// and target node \c t. |
1212 | 1212 |
/// \return The new edge. |
1213 | 1213 |
Edge addEdge(const Node& s, const Node& t) { |
1214 | 1214 |
return Parent::addEdge(s, t); |
1215 | 1215 |
} |
1216 | 1216 |
|
1217 | 1217 |
/// \brief Erase a node from the graph. |
1218 | 1218 |
/// |
1219 | 1219 |
/// Erase a node from the graph. |
1220 | 1220 |
/// |
1221 | 1221 |
void erase(const Node& n) { Parent::erase(n); } |
1222 | 1222 |
|
1223 | 1223 |
/// \brief Erase an edge from the graph. |
1224 | 1224 |
/// |
1225 | 1225 |
/// Erase an edge from the graph. |
1226 | 1226 |
/// |
1227 | 1227 |
void erase(const Edge& e) { Parent::erase(e); } |
1228 | 1228 |
/// Node validity check |
1229 | 1229 |
|
1230 | 1230 |
/// This function gives back true if the given node is valid, |
1231 | 1231 |
/// ie. it is a real node of the graph. |
1232 | 1232 |
/// |
1233 | 1233 |
/// \warning A Node pointing to a removed item |
1234 | 1234 |
/// could become valid again later if new nodes are |
1235 | 1235 |
/// added to the graph. |
1236 | 1236 |
bool valid(Node n) const { return Parent::valid(n); } |
1237 | 1237 |
/// Arc validity check |
1238 | 1238 |
|
1239 | 1239 |
/// This function gives back true if the given arc is valid, |
1240 | 1240 |
/// ie. it is a real arc of the graph. |
1241 | 1241 |
/// |
1242 | 1242 |
/// \warning An Arc pointing to a removed item |
1243 | 1243 |
/// could become valid again later if new edges are |
1244 | 1244 |
/// added to the graph. |
1245 | 1245 |
bool valid(Arc a) const { return Parent::valid(a); } |
1246 | 1246 |
/// Edge validity check |
1247 | 1247 |
|
1248 | 1248 |
/// This function gives back true if the given edge is valid, |
1249 | 1249 |
/// ie. it is a real arc of the graph. |
1250 | 1250 |
/// |
1251 | 1251 |
/// \warning A Edge pointing to a removed item |
1252 | 1252 |
/// could become valid again later if new edges are |
1253 | 1253 |
/// added to the graph. |
1254 | 1254 |
bool valid(Edge e) const { return Parent::valid(e); } |
1255 | 1255 |
/// \brief Change the end \c u of \c e to \c n |
1256 | 1256 |
/// |
1257 | 1257 |
/// This function changes the end \c u of \c e to node \c n. |
1258 | 1258 |
/// |
1259 | 1259 |
///\note The <tt>EdgeIt</tt>s and <tt>ArcIt</tt>s referencing the |
1260 | 1260 |
///changed edge are invalidated and if the changed node is the |
1261 | 1261 |
///base node of an iterator then this iterator is also |
1262 | 1262 |
///invalidated. |
1263 | 1263 |
/// |
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