[962] | 1 | /* -*- C++ -*- |
---|
| 2 | * |
---|
| 3 | * src/lemon/concept/undir_graph_component.h - Part of LEMON, a generic |
---|
| 4 | * C++ optimization library |
---|
| 5 | * |
---|
[1164] | 6 | * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi |
---|
[962] | 7 | * Kutatocsoport (Egervary Combinatorial Optimization Research Group, |
---|
| 8 | * EGRES). |
---|
| 9 | * |
---|
| 10 | * Permission to use, modify and distribute this software is granted |
---|
| 11 | * provided that this copyright notice appears in all copies. For |
---|
| 12 | * precise terms see the accompanying LICENSE file. |
---|
| 13 | * |
---|
| 14 | * This software is provided "AS IS" with no warranty of any kind, |
---|
| 15 | * express or implied, and with no claim as to its suitability for any |
---|
| 16 | * purpose. |
---|
| 17 | * |
---|
| 18 | */ |
---|
| 19 | |
---|
[1030] | 20 | ///\ingroup graph_concepts |
---|
[962] | 21 | ///\file |
---|
| 22 | ///\brief Undirected graphs and components of. |
---|
| 23 | |
---|
| 24 | |
---|
| 25 | #ifndef LEMON_CONCEPT_UNDIR_GRAPH_H |
---|
| 26 | #define LEMON_CONCEPT_UNDIR_GRAPH_H |
---|
| 27 | |
---|
| 28 | #include <lemon/concept/graph_component.h> |
---|
| 29 | |
---|
| 30 | namespace lemon { |
---|
| 31 | namespace concept { |
---|
| 32 | |
---|
[1030] | 33 | /// \addtogroup graph_concepts |
---|
| 34 | /// @{ |
---|
| 35 | |
---|
| 36 | |
---|
| 37 | /// Skeleton class which describes an edge with direction in \ref |
---|
| 38 | /// UndirGraph "undirected graph". |
---|
[1158] | 39 | template <typename UndirGraph> |
---|
| 40 | class UndirGraphEdge : public UndirGraph::UndirEdge { |
---|
| 41 | typedef typename UndirGraph::UndirEdge UndirEdge; |
---|
| 42 | typedef typename UndirGraph::Node Node; |
---|
[1030] | 43 | public: |
---|
| 44 | |
---|
| 45 | /// \e |
---|
| 46 | UndirGraphEdge() {} |
---|
| 47 | |
---|
| 48 | /// \e |
---|
| 49 | UndirGraphEdge(const UndirGraphEdge&) {} |
---|
| 50 | |
---|
| 51 | /// \e |
---|
| 52 | UndirGraphEdge(Invalid) {} |
---|
| 53 | |
---|
[1158] | 54 | /// \brief Directed edge from undirected edge and a source node. |
---|
[1030] | 55 | /// |
---|
[1158] | 56 | /// Constructs a directed edge from undirected edge and a source node. |
---|
| 57 | /// |
---|
| 58 | /// \note You have to specify the graph for this constructor. |
---|
| 59 | UndirGraphEdge(const UndirGraph &g, |
---|
| 60 | UndirEdge undir_edge, Node n) { |
---|
[1030] | 61 | ignore_unused_variable_warning(undir_edge); |
---|
[1158] | 62 | ignore_unused_variable_warning(g); |
---|
| 63 | ignore_unused_variable_warning(n); |
---|
[1030] | 64 | } |
---|
| 65 | |
---|
| 66 | /// \e |
---|
| 67 | UndirGraphEdge& operator=(UndirGraphEdge) { return *this; } |
---|
| 68 | |
---|
| 69 | /// \e |
---|
| 70 | bool operator==(UndirGraphEdge) const { return true; } |
---|
| 71 | /// \e |
---|
| 72 | bool operator!=(UndirGraphEdge) const { return false; } |
---|
| 73 | |
---|
| 74 | /// \e |
---|
| 75 | bool operator<(UndirGraphEdge) const { return false; } |
---|
| 76 | |
---|
| 77 | template <typename Edge> |
---|
| 78 | struct Constraints { |
---|
| 79 | void constraints() { |
---|
[1158] | 80 | const_constraints(); |
---|
| 81 | } |
---|
| 82 | void const_constraints() const { |
---|
[1030] | 83 | /// \bug This should be is_base_and_derived ... |
---|
| 84 | UndirEdge ue = e; |
---|
| 85 | ue = e; |
---|
| 86 | |
---|
[1158] | 87 | Edge e_with_source(graph,ue,n); |
---|
| 88 | ignore_unused_variable_warning(e_with_source); |
---|
[1030] | 89 | } |
---|
| 90 | Edge e; |
---|
[1158] | 91 | UndirEdge ue; |
---|
| 92 | UndirGraph graph; |
---|
| 93 | Node n; |
---|
[1030] | 94 | }; |
---|
| 95 | }; |
---|
| 96 | |
---|
[962] | 97 | |
---|
| 98 | struct BaseIterableUndirGraphConcept { |
---|
[989] | 99 | |
---|
[1022] | 100 | template <typename Graph> |
---|
| 101 | struct Constraints { |
---|
[962] | 102 | |
---|
[1022] | 103 | typedef typename Graph::UndirEdge UndirEdge; |
---|
| 104 | typedef typename Graph::Edge Edge; |
---|
| 105 | typedef typename Graph::Node Node; |
---|
[962] | 106 | |
---|
[1022] | 107 | void constraints() { |
---|
| 108 | checkConcept<BaseIterableGraphComponent, Graph>(); |
---|
[1030] | 109 | checkConcept<GraphItem<>, UndirEdge>(); |
---|
[1158] | 110 | checkConcept<UndirGraphEdge<Graph>, Edge>(); |
---|
[962] | 111 | |
---|
[1030] | 112 | graph.first(ue); |
---|
| 113 | graph.next(ue); |
---|
[1022] | 114 | |
---|
[1030] | 115 | const_constraints(); |
---|
| 116 | } |
---|
| 117 | void const_constraints() { |
---|
[1022] | 118 | Node n; |
---|
| 119 | n = graph.target(ue); |
---|
| 120 | n = graph.source(ue); |
---|
[1030] | 121 | n = graph.oppositeNode(n0, ue); |
---|
[1022] | 122 | |
---|
[1030] | 123 | bool b; |
---|
| 124 | b = graph.forward(e); |
---|
| 125 | ignore_unused_variable_warning(b); |
---|
[1022] | 126 | } |
---|
[1030] | 127 | |
---|
| 128 | Graph graph; |
---|
[1022] | 129 | Edge e; |
---|
[1030] | 130 | Node n0; |
---|
| 131 | UndirEdge ue; |
---|
[1022] | 132 | }; |
---|
| 133 | |
---|
[962] | 134 | }; |
---|
| 135 | |
---|
[1022] | 136 | |
---|
[962] | 137 | struct IterableUndirGraphConcept { |
---|
| 138 | |
---|
[1022] | 139 | template <typename Graph> |
---|
| 140 | struct Constraints { |
---|
| 141 | void constraints() { |
---|
| 142 | /// \todo we don't need the iterable component to be base iterable |
---|
| 143 | /// Don't we really??? |
---|
| 144 | //checkConcept< BaseIterableUndirGraphConcept, Graph > (); |
---|
[962] | 145 | |
---|
[1022] | 146 | checkConcept<IterableGraphComponent, Graph> (); |
---|
[1021] | 147 | |
---|
[1022] | 148 | typedef typename Graph::UndirEdge UndirEdge; |
---|
| 149 | typedef typename Graph::UndirEdgeIt UndirEdgeIt; |
---|
[1030] | 150 | typedef typename Graph::IncEdgeIt IncEdgeIt; |
---|
[1022] | 151 | |
---|
| 152 | checkConcept<GraphIterator<Graph, UndirEdge>, UndirEdgeIt>(); |
---|
[1030] | 153 | checkConcept<GraphIncIterator<Graph, UndirEdge>, IncEdgeIt>(); |
---|
[1022] | 154 | } |
---|
| 155 | }; |
---|
| 156 | |
---|
| 157 | }; |
---|
| 158 | |
---|
| 159 | struct MappableUndirGraphConcept { |
---|
| 160 | |
---|
| 161 | template <typename Graph> |
---|
| 162 | struct Constraints { |
---|
| 163 | |
---|
| 164 | struct Dummy { |
---|
| 165 | int value; |
---|
| 166 | Dummy() : value(0) {} |
---|
| 167 | Dummy(int _v) : value(_v) {} |
---|
| 168 | }; |
---|
| 169 | |
---|
| 170 | void constraints() { |
---|
| 171 | checkConcept<MappableGraphComponent, Graph>(); |
---|
| 172 | |
---|
| 173 | typedef typename Graph::template UndirEdgeMap<int> IntMap; |
---|
| 174 | checkConcept<GraphMap<Graph, typename Graph::UndirEdge, int>, |
---|
| 175 | IntMap >(); |
---|
| 176 | |
---|
| 177 | typedef typename Graph::template UndirEdgeMap<bool> BoolMap; |
---|
| 178 | checkConcept<GraphMap<Graph, typename Graph::UndirEdge, bool>, |
---|
| 179 | BoolMap >(); |
---|
| 180 | |
---|
| 181 | typedef typename Graph::template UndirEdgeMap<Dummy> DummyMap; |
---|
| 182 | checkConcept<GraphMap<Graph, typename Graph::UndirEdge, Dummy>, |
---|
| 183 | DummyMap >(); |
---|
| 184 | } |
---|
| 185 | }; |
---|
| 186 | |
---|
| 187 | }; |
---|
| 188 | |
---|
| 189 | struct ExtendableUndirGraphConcept { |
---|
| 190 | |
---|
| 191 | template <typename Graph> |
---|
| 192 | struct Constraints { |
---|
| 193 | void constraints() { |
---|
| 194 | node_a = graph.addNode(); |
---|
| 195 | uedge = graph.addEdge(node_a, node_b); |
---|
| 196 | } |
---|
| 197 | typename Graph::Node node_a, node_b; |
---|
| 198 | typename Graph::UndirEdge uedge; |
---|
| 199 | Graph graph; |
---|
| 200 | }; |
---|
| 201 | |
---|
| 202 | }; |
---|
| 203 | |
---|
| 204 | struct ErasableUndirGraphConcept { |
---|
| 205 | |
---|
| 206 | template <typename Graph> |
---|
| 207 | struct Constraints { |
---|
| 208 | void constraints() { |
---|
| 209 | graph.erase(n); |
---|
| 210 | graph.erase(e); |
---|
| 211 | } |
---|
| 212 | Graph graph; |
---|
| 213 | typename Graph::Node n; |
---|
| 214 | typename Graph::UndirEdge e; |
---|
| 215 | }; |
---|
| 216 | |
---|
| 217 | }; |
---|
| 218 | |
---|
[1030] | 219 | /// Class describing the concept of Undirected Graphs. |
---|
| 220 | |
---|
| 221 | /// This class describes the common interface of all Undirected |
---|
| 222 | /// Graphs. |
---|
| 223 | /// |
---|
| 224 | /// As all concept describing classes it provides only interface |
---|
| 225 | /// without any sensible implementation. So any algorithm for |
---|
| 226 | /// undirected graph should compile with this class, but it will not |
---|
| 227 | /// run properly, of couse. |
---|
| 228 | /// |
---|
| 229 | /// In LEMON undirected graphs also fulfill the concept of directed |
---|
| 230 | /// graphs (\ref lemon::concept::Graph "Graph Concept"). For |
---|
| 231 | /// explanation of this and more see also the page \ref undir_graphs, |
---|
| 232 | /// a tutorial about undirected graphs. |
---|
| 233 | |
---|
[1022] | 234 | class UndirGraph { |
---|
| 235 | public: |
---|
| 236 | |
---|
[1030] | 237 | /// Type describing a node in the graph |
---|
| 238 | typedef GraphNode Node; |
---|
| 239 | |
---|
| 240 | /// Type describing an undirected edge |
---|
| 241 | typedef GraphItem<'u'> UndirEdge; |
---|
| 242 | |
---|
| 243 | /// Type describing an UndirEdge with direction |
---|
| 244 | #ifndef DOXYGEN |
---|
[1158] | 245 | typedef UndirGraphEdge<UndirGraph> Edge; |
---|
[1030] | 246 | #else |
---|
| 247 | typedef UndirGraphEdge Edge; |
---|
| 248 | #endif |
---|
| 249 | |
---|
| 250 | /// Iterator type which iterates over all nodes |
---|
| 251 | #ifndef DOXYGEN |
---|
| 252 | typedef GraphIterator<UndirGraph, Node> NodeIt; |
---|
| 253 | #else |
---|
| 254 | typedef GraphIterator NodeIt; |
---|
| 255 | #endif |
---|
| 256 | |
---|
| 257 | /// Iterator type which iterates over all undirected edges |
---|
| 258 | #ifndef DOXYGEN |
---|
| 259 | typedef GraphIterator<UndirGraph, UndirEdge> UndirEdgeIt; |
---|
| 260 | #else |
---|
| 261 | typedef GraphIterator UndirEdgeIt; |
---|
| 262 | #endif |
---|
| 263 | |
---|
| 264 | /// Iterator type which iterates over all directed edges. |
---|
| 265 | |
---|
| 266 | /// Iterator type which iterates over all edges (each undirected |
---|
| 267 | /// edge occurs twice with both directions. |
---|
| 268 | #ifndef DOXYGEN |
---|
| 269 | typedef GraphIterator<UndirGraph, Edge> EdgeIt; |
---|
| 270 | #else |
---|
| 271 | typedef GraphIterator EdgeIt; |
---|
| 272 | #endif |
---|
| 273 | |
---|
| 274 | |
---|
| 275 | /// Iterator of undirected edges incident to a node |
---|
| 276 | #ifndef DOXYGEN |
---|
| 277 | typedef GraphIncIterator<UndirGraph, UndirEdge, 'u'> IncEdgeIt; |
---|
| 278 | #else |
---|
| 279 | typedef GraphIncIterator IncEdgeIt; |
---|
| 280 | #endif |
---|
| 281 | |
---|
| 282 | /// Iterator of edges incoming to a node |
---|
| 283 | #ifndef DOXYGEN |
---|
| 284 | typedef GraphIncIterator<UndirGraph, Edge, 'i'> InEdgeIt; |
---|
| 285 | #else |
---|
| 286 | typedef GraphIncIterator InEdgeIt; |
---|
| 287 | #endif |
---|
| 288 | |
---|
| 289 | /// Iterator of edges outgoing from a node |
---|
| 290 | #ifndef DOXYGEN |
---|
| 291 | typedef GraphIncIterator<UndirGraph, Edge, 'o'> OutEdgeIt; |
---|
| 292 | #else |
---|
| 293 | typedef GraphIncIterator OutEdgeIt; |
---|
| 294 | #endif |
---|
| 295 | |
---|
| 296 | /// NodeMap template |
---|
| 297 | #ifdef DOXYGEN |
---|
| 298 | typedef GraphMap NodeMap<T>; |
---|
| 299 | #endif |
---|
| 300 | |
---|
| 301 | /// UndirEdgeMap template |
---|
| 302 | #ifdef DOXYGEN |
---|
| 303 | typedef GraphMap UndirEdgeMap<T>; |
---|
| 304 | #endif |
---|
| 305 | |
---|
| 306 | /// EdgeMap template |
---|
| 307 | #ifdef DOXYGEN |
---|
| 308 | typedef GraphMap EdgeMap<T>; |
---|
| 309 | #endif |
---|
| 310 | |
---|
| 311 | template <typename T> |
---|
| 312 | class NodeMap : public GraphMap<UndirGraph, Node, T> { |
---|
| 313 | typedef GraphMap<UndirGraph, Node, T> Parent; |
---|
| 314 | public: |
---|
| 315 | |
---|
| 316 | explicit NodeMap(const UndirGraph &g) : Parent(g) {} |
---|
| 317 | NodeMap(const UndirGraph &g, T t) : Parent(g, t) {} |
---|
| 318 | }; |
---|
| 319 | |
---|
| 320 | template <typename T> |
---|
| 321 | class UndirEdgeMap : public GraphMap<UndirGraph, UndirEdge, T> { |
---|
| 322 | typedef GraphMap<UndirGraph, UndirEdge, T> Parent; |
---|
| 323 | public: |
---|
| 324 | |
---|
| 325 | explicit UndirEdgeMap(const UndirGraph &g) : Parent(g) {} |
---|
| 326 | UndirEdgeMap(const UndirGraph &g, T t) : Parent(g, t) {} |
---|
| 327 | }; |
---|
| 328 | |
---|
| 329 | template <typename T> |
---|
| 330 | class EdgeMap : public GraphMap<UndirGraph, Edge, T> { |
---|
| 331 | typedef GraphMap<UndirGraph, Edge, T> Parent; |
---|
| 332 | public: |
---|
| 333 | |
---|
| 334 | explicit EdgeMap(const UndirGraph &g) : Parent(g) {} |
---|
| 335 | EdgeMap(const UndirGraph &g, T t) : Parent(g, t) {} |
---|
| 336 | }; |
---|
| 337 | |
---|
| 338 | /// Is the Edge oriented "forward"? |
---|
| 339 | |
---|
| 340 | /// Returns whether the given directed edge is same orientation as |
---|
| 341 | /// the corresponding undirected edge. |
---|
| 342 | /// |
---|
| 343 | /// \todo "What does the direction of an undirected edge mean?" |
---|
| 344 | bool forward(Edge) const { return true; } |
---|
| 345 | |
---|
| 346 | /// Opposite node on an edge |
---|
| 347 | |
---|
| 348 | /// \return the opposite of the given Node on the given Edge |
---|
| 349 | /// |
---|
| 350 | /// \todo What should we do if given Node and Edge are not incident? |
---|
| 351 | Node oppositeNode(Node, UndirEdge) const { return INVALID; } |
---|
| 352 | |
---|
| 353 | /// First node of the undirected edge. |
---|
| 354 | |
---|
| 355 | /// \return the first node of the given UndirEdge. |
---|
| 356 | /// |
---|
| 357 | /// Naturally undirectected edges don't have direction and thus |
---|
| 358 | /// don't have source and target node. But we use these two methods |
---|
| 359 | /// to query the two endnodes of the edge. The direction of the edge |
---|
| 360 | /// which arises this way is called the inherent direction of the |
---|
| 361 | /// undirected edge, and is used to define the "forward" direction |
---|
| 362 | /// of the directed versions of the edges. |
---|
| 363 | /// \sa forward |
---|
| 364 | Node source(UndirEdge) const { return INVALID; } |
---|
| 365 | |
---|
| 366 | /// Second node of the undirected edge. |
---|
| 367 | Node target(UndirEdge) const { return INVALID; } |
---|
| 368 | |
---|
| 369 | /// Source node of the directed edge. |
---|
| 370 | Node source(Edge) const { return INVALID; } |
---|
| 371 | |
---|
| 372 | /// Target node of the directed edge. |
---|
| 373 | Node target(Edge) const { return INVALID; } |
---|
| 374 | |
---|
| 375 | /// First node of the graph |
---|
| 376 | |
---|
| 377 | /// \note This method is part of so called \ref |
---|
| 378 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 379 | /// be used in an end-user program. |
---|
| 380 | void first(Node&) const {} |
---|
| 381 | /// Next node of the graph |
---|
| 382 | |
---|
| 383 | /// \note This method is part of so called \ref |
---|
| 384 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 385 | /// be used in an end-user program. |
---|
| 386 | void next(Node&) const {} |
---|
| 387 | |
---|
| 388 | /// First undirected edge of the graph |
---|
| 389 | |
---|
| 390 | /// \note This method is part of so called \ref |
---|
| 391 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 392 | /// be used in an end-user program. |
---|
| 393 | void first(UndirEdge&) const {} |
---|
| 394 | /// Next undirected edge of the graph |
---|
| 395 | |
---|
| 396 | /// \note This method is part of so called \ref |
---|
| 397 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 398 | /// be used in an end-user program. |
---|
| 399 | void next(UndirEdge&) const {} |
---|
| 400 | |
---|
| 401 | /// First directed edge of the graph |
---|
| 402 | |
---|
| 403 | /// \note This method is part of so called \ref |
---|
| 404 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 405 | /// be used in an end-user program. |
---|
| 406 | void first(Edge&) const {} |
---|
| 407 | /// Next directed edge of the graph |
---|
| 408 | |
---|
| 409 | /// \note This method is part of so called \ref |
---|
| 410 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 411 | /// be used in an end-user program. |
---|
| 412 | void next(Edge&) const {} |
---|
| 413 | |
---|
| 414 | /// First outgoing edge from a given node |
---|
| 415 | |
---|
| 416 | /// \note This method is part of so called \ref |
---|
| 417 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 418 | /// be used in an end-user program. |
---|
| 419 | void firstOut(Edge&, Node) const {} |
---|
| 420 | /// Next outgoing edge to a node |
---|
| 421 | |
---|
| 422 | /// \note This method is part of so called \ref |
---|
| 423 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 424 | /// be used in an end-user program. |
---|
| 425 | void nextOut(Edge&) const {} |
---|
| 426 | |
---|
| 427 | /// First incoming edge to a given node |
---|
| 428 | |
---|
| 429 | /// \note This method is part of so called \ref |
---|
| 430 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 431 | /// be used in an end-user program. |
---|
| 432 | void firstIn(Edge&, Node) const {} |
---|
| 433 | /// Next incoming edge to a node |
---|
| 434 | |
---|
| 435 | /// \note This method is part of so called \ref |
---|
| 436 | /// developpers_interface "Developpers' interface", so it shouldn't |
---|
| 437 | /// be used in an end-user program. |
---|
| 438 | void nextIn(Edge&) const {} |
---|
| 439 | |
---|
| 440 | |
---|
[1158] | 441 | /// Base node of the iterator |
---|
| 442 | /// |
---|
| 443 | /// Returns the base node (the source in this case) of the iterator |
---|
| 444 | Node baseNode(OutEdgeIt e) const { |
---|
| 445 | return source(e); |
---|
| 446 | } |
---|
| 447 | /// Running node of the iterator |
---|
| 448 | /// |
---|
| 449 | /// Returns the running node (the target in this case) of the |
---|
| 450 | /// iterator |
---|
| 451 | Node runningNode(OutEdgeIt e) const { |
---|
| 452 | return target(e); |
---|
| 453 | } |
---|
| 454 | |
---|
| 455 | /// Base node of the iterator |
---|
| 456 | /// |
---|
| 457 | /// Returns the base node (the target in this case) of the iterator |
---|
| 458 | Node baseNode(InEdgeIt e) const { |
---|
| 459 | return target(e); |
---|
| 460 | } |
---|
| 461 | /// Running node of the iterator |
---|
| 462 | /// |
---|
| 463 | /// Returns the running node (the source in this case) of the |
---|
| 464 | /// iterator |
---|
| 465 | Node runningNode(InEdgeIt e) const { |
---|
| 466 | return source(e); |
---|
| 467 | } |
---|
| 468 | |
---|
| 469 | /// Base node of the iterator |
---|
| 470 | /// |
---|
| 471 | /// Returns the base node of the iterator |
---|
| 472 | Node baseNode(IncEdgeIt e) const { |
---|
| 473 | return INVALID; |
---|
| 474 | } |
---|
| 475 | /// Running node of the iterator |
---|
| 476 | /// |
---|
| 477 | /// Returns the running node of the iterator |
---|
| 478 | Node runningNode(IncEdgeIt e) const { |
---|
| 479 | return INVALID; |
---|
| 480 | } |
---|
| 481 | |
---|
| 482 | |
---|
[1022] | 483 | template <typename Graph> |
---|
| 484 | struct Constraints { |
---|
| 485 | void constraints() { |
---|
| 486 | checkConcept<BaseIterableUndirGraphConcept, Graph>(); |
---|
| 487 | checkConcept<IterableUndirGraphConcept, Graph>(); |
---|
| 488 | checkConcept<MappableUndirGraphConcept, Graph>(); |
---|
| 489 | } |
---|
| 490 | }; |
---|
| 491 | |
---|
| 492 | }; |
---|
| 493 | |
---|
| 494 | class ExtendableUndirGraph : public UndirGraph { |
---|
| 495 | public: |
---|
| 496 | |
---|
| 497 | template <typename Graph> |
---|
| 498 | struct Constraints { |
---|
| 499 | void constraints() { |
---|
| 500 | checkConcept<BaseIterableUndirGraphConcept, Graph>(); |
---|
| 501 | checkConcept<IterableUndirGraphConcept, Graph>(); |
---|
| 502 | checkConcept<MappableUndirGraphConcept, Graph>(); |
---|
| 503 | |
---|
| 504 | checkConcept<UndirGraph, Graph>(); |
---|
| 505 | checkConcept<ExtendableUndirGraphConcept, Graph>(); |
---|
| 506 | checkConcept<ClearableGraphComponent, Graph>(); |
---|
| 507 | } |
---|
| 508 | }; |
---|
| 509 | |
---|
| 510 | }; |
---|
| 511 | |
---|
| 512 | class ErasableUndirGraph : public ExtendableUndirGraph { |
---|
| 513 | public: |
---|
| 514 | |
---|
| 515 | template <typename Graph> |
---|
| 516 | struct Constraints { |
---|
| 517 | void constraints() { |
---|
| 518 | checkConcept<ExtendableUndirGraph, Graph>(); |
---|
| 519 | checkConcept<ErasableUndirGraphConcept, Graph>(); |
---|
| 520 | } |
---|
| 521 | }; |
---|
| 522 | |
---|
[962] | 523 | }; |
---|
| 524 | |
---|
[1030] | 525 | /// @} |
---|
| 526 | |
---|
[962] | 527 | } |
---|
| 528 | |
---|
| 529 | } |
---|
| 530 | |
---|
| 531 | #endif |
---|