Changeset 949:b16a10926781 in lemon0.x
 Timestamp:
 10/30/04 20:30:29 (19 years ago)
 Branch:
 default
 Phase:
 public
 Convert:
 svn:c9d7d8f590d60310b91f818b3a526b0e/lemon/trunk@1329
 File:

 1 edited
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src/lemon/list_graph.h
r948 r949 39 39 class ListGraphBase { 40 40 41 protected: 41 42 struct NodeT { 42 43 int first_in,first_out; … … 101 102 102 103 103 ///Using this it possible to avoid the superfluous memory allocation.104 ///\todo more docs...105 ///\todo It should be defined in ListGraph.106 void reserveEdge(int n) { edges.reserve(n); };107 108 104 /// Maximum node ID. 109 105 … … 276 272 nodes.clear(); 277 273 first_node = first_free_node = first_free_edge = 1; 274 } 275 276 protected: 277 void _moveHead(Edge e, Node n) 278 { 279 if(edges[e.id].next_in != 1) 280 edges[edges[e.id].next_in].prev_in = edges[e.id].prev_in; 281 if(edges[e.id].prev_in != 1) 282 edges[edges[e.id].prev_in].next_in = edges[e.id].next_in; 283 else nodes[edges[e.id].head].first_in = edges[e.id].next_in; 284 edges[e.id].head = n.id; 285 edges[e.id].prev_in = 1; 286 edges[e.id].next_in = nodes[n.id].first_in; 287 nodes[n.id].first_in = e.id; 288 } 289 void _moveTail(Edge e, Node n) 290 { 291 if(edges[e.id].next_out != 1) 292 edges[edges[e.id].next_out].prev_out = edges[e.id].prev_out; 293 if(edges[e.id].prev_out != 1) 294 edges[edges[e.id].prev_out].next_out = edges[e.id].next_out; 295 else nodes[edges[e.id].tail].first_out = edges[e.id].next_out; 296 edges[e.id].tail = n.id; 297 edges[e.id].prev_out = 1; 298 edges[e.id].next_out = nodes[n.id].first_out; 299 nodes[n.id].first_out = e.id; 278 300 } 279 301 … … 306 328 /// Moves the head of \c e to \c n 307 329 /// 308 void moveHead(Edge e, Node n) 309 { 310 if(edges[e.n].next_in != 1) 311 edges[edges[e.n].next_in].prev_in = edges[e.n].prev_in; 312 if(edges[e.n].prev_in != 1) 313 edges[edges[e.n].prev_in].next_in = edges[e.n].next_in; 314 else nodes[edges[e.n].head].first_in = edges[e.n].next_in; 315 edges[e.n].head = n.n; 316 edges[e.n].prev_in = 1; 317 edges[e.n].next_in = nodes[n.n].first_in; 318 nodes[n.n].first_in = e.n; 319 } 330 void moveHead(Edge e, Node n) { _moveHead(e,n); } 320 331 /// Moves the tail of \c e to \c n 321 332 322 333 /// Moves the tail of \c e to \c n 323 334 /// 324 void moveTail(Edge e, Node n) 325 { 326 if(edges[e.n].next_out != 1) 327 edges[edges[e.n].next_out].prev_out = edges[e.n].prev_out; 328 if(edges[e.n].prev_out != 1) 329 edges[edges[e.n].prev_out].next_out = edges[e.n].next_out; 330 else nodes[edges[e.n].tail].first_out = edges[e.n].next_out; 331 edges[e.n].tail = n.n; 332 edges[e.n].prev_out = 1; 333 edges[e.n].next_out = nodes[n.n].first_out; 334 nodes[n.n].first_out = e.n; 335 } 336 } 335 void moveTail(Edge e, Node n) { _moveTail(e,n); } 336 337 ///Using this it possible to avoid the superfluous memory allocation. 338 ///\todo more docs... 339 void reserveEdge(int n) { edges.reserve(n); }; 340 341 }; 342 337 343 /// @} 338 344 } //namespace lemon
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