lemon/graph_utils.h
changeset 2387 317b9a88c350
parent 2384 805c5a2a36dd
child 2391 14a343be7a5a
equal deleted inserted replaced
62:29a1126e1ce3 63:676f1b306624
   788 
   788 
   789     /// \brief Destructor of the GraphCopy
   789     /// \brief Destructor of the GraphCopy
   790     ///
   790     ///
   791     /// Destructor of the GraphCopy
   791     /// Destructor of the GraphCopy
   792     ~GraphCopy() {
   792     ~GraphCopy() {
   793       for (int i = 0; i < (int)nodeMapCopies.size(); ++i) {
   793       for (int i = 0; i < int(nodeMapCopies.size()); ++i) {
   794         delete nodeMapCopies[i];
   794         delete nodeMapCopies[i];
   795       }
   795       }
   796       for (int i = 0; i < (int)edgeMapCopies.size(); ++i) {
   796       for (int i = 0; i < int(edgeMapCopies.size()); ++i) {
   797         delete edgeMapCopies[i];
   797         delete edgeMapCopies[i];
   798       }
   798       }
   799 
   799 
   800     }
   800     }
   801 
   801 
   834     }
   834     }
   835 
   835 
   836     /// \brief Make a copy of the given node.
   836     /// \brief Make a copy of the given node.
   837     ///
   837     ///
   838     /// Make a copy of the given node.
   838     /// Make a copy of the given node.
   839     GraphCopy& node(TNode& tnode, const Node& node) {
   839     GraphCopy& node(TNode& tnode, const Node& snode) {
   840       nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Node, 
   840       nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Node, 
   841                               NodeRefMap, TNode>(tnode, node));
   841                               NodeRefMap, TNode>(tnode, snode));
   842       return *this;
   842       return *this;
   843     }
   843     }
   844 
   844 
   845     /// \brief Copies the edge references into the given map.
   845     /// \brief Copies the edge references into the given map.
   846     ///
   846     ///
   877     }
   877     }
   878 
   878 
   879     /// \brief Make a copy of the given edge.
   879     /// \brief Make a copy of the given edge.
   880     ///
   880     ///
   881     /// Make a copy of the given edge.
   881     /// Make a copy of the given edge.
   882     GraphCopy& edge(TEdge& tedge, const Edge& edge) {
   882     GraphCopy& edge(TEdge& tedge, const Edge& sedge) {
   883       edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Edge, 
   883       edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Edge, 
   884                               EdgeRefMap, TEdge>(tedge, edge));
   884                               EdgeRefMap, TEdge>(tedge, sedge));
   885       return *this;
   885       return *this;
   886     }
   886     }
   887 
   887 
   888     /// \brief Executes the copies.
   888     /// \brief Executes the copies.
   889     ///
   889     ///
   891     void run() {
   891     void run() {
   892       NodeRefMap nodeRefMap(source);
   892       NodeRefMap nodeRefMap(source);
   893       EdgeRefMap edgeRefMap(source);
   893       EdgeRefMap edgeRefMap(source);
   894       _graph_utils_bits::GraphCopySelector<Target>::
   894       _graph_utils_bits::GraphCopySelector<Target>::
   895         copy(target, source, nodeRefMap, edgeRefMap);
   895         copy(target, source, nodeRefMap, edgeRefMap);
   896       for (int i = 0; i < (int)nodeMapCopies.size(); ++i) {
   896       for (int i = 0; i < int(nodeMapCopies.size()); ++i) {
   897         nodeMapCopies[i]->copy(source, nodeRefMap);
   897         nodeMapCopies[i]->copy(source, nodeRefMap);
   898       }
   898       }
   899       for (int i = 0; i < (int)edgeMapCopies.size(); ++i) {
   899       for (int i = 0; i < int(edgeMapCopies.size()); ++i) {
   900         edgeMapCopies[i]->copy(source, edgeRefMap);
   900         edgeMapCopies[i]->copy(source, edgeRefMap);
   901       }      
   901       }      
   902     }
   902     }
   903 
   903 
   904   protected:
   904   protected:
   965 
   965 
   966       typedef typename Source::Edge Key;
   966       typedef typename Source::Edge Key;
   967       typedef typename Target::Edge Value;
   967       typedef typename Target::Edge Value;
   968 
   968 
   969       Value operator[](const Key& key) const {
   969       Value operator[](const Key& key) const {
   970         bool forward = (source.direction(key) == 
   970         bool forward = 
   971                         (node_ref[source.source((UEdge)key)] == 
   971           (source.direction(key) == 
   972                          target.source(uedge_ref[(UEdge)key])));
   972            (node_ref[source.source(static_cast<const UEdge&>(key))] == 
       
   973             target.source(uedge_ref[static_cast<const UEdge&>(key)])));
   973 	return target.direct(uedge_ref[key], forward); 
   974 	return target.direct(uedge_ref[key], forward); 
   974       }
   975       }
   975       
   976       
   976       const Target& target;
   977       const Target& target;
   977       const Source& source;
   978       const Source& source;
   992 
   993 
   993     /// \brief Destructor of the GraphCopy
   994     /// \brief Destructor of the GraphCopy
   994     ///
   995     ///
   995     /// Destructor of the GraphCopy
   996     /// Destructor of the GraphCopy
   996     ~UGraphCopy() {
   997     ~UGraphCopy() {
   997       for (int i = 0; i < (int)nodeMapCopies.size(); ++i) {
   998       for (int i = 0; i < int(nodeMapCopies.size()); ++i) {
   998         delete nodeMapCopies[i];
   999         delete nodeMapCopies[i];
   999       }
  1000       }
  1000       for (int i = 0; i < (int)edgeMapCopies.size(); ++i) {
  1001       for (int i = 0; i < int(edgeMapCopies.size()); ++i) {
  1001         delete edgeMapCopies[i];
  1002         delete edgeMapCopies[i];
  1002       }
  1003       }
  1003       for (int i = 0; i < (int)uEdgeMapCopies.size(); ++i) {
  1004       for (int i = 0; i < int(uEdgeMapCopies.size()); ++i) {
  1004         delete uEdgeMapCopies[i];
  1005         delete uEdgeMapCopies[i];
  1005       }
  1006       }
  1006 
  1007 
  1007     }
  1008     }
  1008 
  1009 
  1041     }
  1042     }
  1042 
  1043 
  1043     /// \brief Make a copy of the given node.
  1044     /// \brief Make a copy of the given node.
  1044     ///
  1045     ///
  1045     /// Make a copy of the given node.
  1046     /// Make a copy of the given node.
  1046     UGraphCopy& node(TNode& tnode, const Node& node) {
  1047     UGraphCopy& node(TNode& tnode, const Node& snode) {
  1047       nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Node, 
  1048       nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Node, 
  1048                               NodeRefMap, TNode>(tnode, node));
  1049                               NodeRefMap, TNode>(tnode, snode));
  1049       return *this;
  1050       return *this;
  1050     }
  1051     }
  1051 
  1052 
  1052     /// \brief Copies the edge references into the given map.
  1053     /// \brief Copies the edge references into the given map.
  1053     ///
  1054     ///
  1084     }
  1085     }
  1085 
  1086 
  1086     /// \brief Make a copy of the given edge.
  1087     /// \brief Make a copy of the given edge.
  1087     ///
  1088     ///
  1088     /// Make a copy of the given edge.
  1089     /// Make a copy of the given edge.
  1089     UGraphCopy& edge(TEdge& tedge, const Edge& edge) {
  1090     UGraphCopy& edge(TEdge& tedge, const Edge& sedge) {
  1090       edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Edge, 
  1091       edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Edge, 
  1091                               EdgeRefMap, TEdge>(tedge, edge));
  1092                               EdgeRefMap, TEdge>(tedge, sedge));
  1092       return *this;
  1093       return *this;
  1093     }
  1094     }
  1094 
  1095 
  1095     /// \brief Copies the undirected edge references into the given map.
  1096     /// \brief Copies the undirected edge references into the given map.
  1096     ///
  1097     ///
  1127     }
  1128     }
  1128 
  1129 
  1129     /// \brief Make a copy of the given undirected edge.
  1130     /// \brief Make a copy of the given undirected edge.
  1130     ///
  1131     ///
  1131     /// Make a copy of the given undirected edge.
  1132     /// Make a copy of the given undirected edge.
  1132     UGraphCopy& uEdge(TUEdge& tuedge, const UEdge& uedge) {
  1133     UGraphCopy& uEdge(TUEdge& tuedge, const UEdge& suedge) {
  1133       uEdgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, UEdge, 
  1134       uEdgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, UEdge, 
  1134                                UEdgeRefMap, TUEdge>(tuedge, uedge));
  1135                                UEdgeRefMap, TUEdge>(tuedge, suedge));
  1135       return *this;
  1136       return *this;
  1136     }
  1137     }
  1137 
  1138 
  1138     /// \brief Executes the copies.
  1139     /// \brief Executes the copies.
  1139     ///
  1140     ///
  1142       NodeRefMap nodeRefMap(source);
  1143       NodeRefMap nodeRefMap(source);
  1143       UEdgeRefMap uEdgeRefMap(source);
  1144       UEdgeRefMap uEdgeRefMap(source);
  1144       EdgeRefMap edgeRefMap(target, source, uEdgeRefMap, nodeRefMap);
  1145       EdgeRefMap edgeRefMap(target, source, uEdgeRefMap, nodeRefMap);
  1145       _graph_utils_bits::UGraphCopySelector<Target>::
  1146       _graph_utils_bits::UGraphCopySelector<Target>::
  1146         copy(target, source, nodeRefMap, uEdgeRefMap);
  1147         copy(target, source, nodeRefMap, uEdgeRefMap);
  1147       for (int i = 0; i < (int)nodeMapCopies.size(); ++i) {
  1148       for (int i = 0; i < int(nodeMapCopies.size()); ++i) {
  1148         nodeMapCopies[i]->copy(source, nodeRefMap);
  1149         nodeMapCopies[i]->copy(source, nodeRefMap);
  1149       }
  1150       }
  1150       for (int i = 0; i < (int)uEdgeMapCopies.size(); ++i) {
  1151       for (int i = 0; i < int(uEdgeMapCopies.size()); ++i) {
  1151         uEdgeMapCopies[i]->copy(source, uEdgeRefMap);
  1152         uEdgeMapCopies[i]->copy(source, uEdgeRefMap);
  1152       }
  1153       }
  1153       for (int i = 0; i < (int)edgeMapCopies.size(); ++i) {
  1154       for (int i = 0; i < int(edgeMapCopies.size()); ++i) {
  1154         edgeMapCopies[i]->copy(source, edgeRefMap);
  1155         edgeMapCopies[i]->copy(source, edgeRefMap);
  1155       }
  1156       }
  1156     }
  1157     }
  1157 
  1158 
  1158   private:
  1159   private:
  1243 
  1244 
  1244       typedef typename Source::Edge Key;
  1245       typedef typename Source::Edge Key;
  1245       typedef typename Target::Edge Value;
  1246       typedef typename Target::Edge Value;
  1246 
  1247 
  1247       Value operator[](const Key& key) const {
  1248       Value operator[](const Key& key) const {
  1248         bool forward = (source.direction(key) == 
  1249         bool forward = 
  1249                         (node_ref[source.source((UEdge)key)] == 
  1250           (source.direction(key) == 
  1250                          target.source(uedge_ref[(UEdge)key])));
  1251            (node_ref[source.source(static_cast<const UEdge&>(key))] == 
       
  1252             target.source(uedge_ref[static_cast<const UEdge&>(key)])));
  1251 	return target.direct(uedge_ref[key], forward); 
  1253 	return target.direct(uedge_ref[key], forward); 
  1252       }
  1254       }
  1253       
  1255       
  1254       const Target& target;
  1256       const Target& target;
  1255       const Source& source;
  1257       const Source& source;
  1269 
  1271 
  1270     /// \brief Destructor of the GraphCopy
  1272     /// \brief Destructor of the GraphCopy
  1271     ///
  1273     ///
  1272     /// Destructor of the GraphCopy
  1274     /// Destructor of the GraphCopy
  1273     ~BpUGraphCopy() {
  1275     ~BpUGraphCopy() {
  1274       for (int i = 0; i < (int)aNodeMapCopies.size(); ++i) {
  1276       for (int i = 0; i < int(aNodeMapCopies.size()); ++i) {
  1275         delete aNodeMapCopies[i];
  1277         delete aNodeMapCopies[i];
  1276       }
  1278       }
  1277       for (int i = 0; i < (int)bNodeMapCopies.size(); ++i) {
  1279       for (int i = 0; i < int(bNodeMapCopies.size()); ++i) {
  1278         delete bNodeMapCopies[i];
  1280         delete bNodeMapCopies[i];
  1279       }
  1281       }
  1280       for (int i = 0; i < (int)nodeMapCopies.size(); ++i) {
  1282       for (int i = 0; i < int(nodeMapCopies.size()); ++i) {
  1281         delete nodeMapCopies[i];
  1283         delete nodeMapCopies[i];
  1282       }
  1284       }
  1283       for (int i = 0; i < (int)edgeMapCopies.size(); ++i) {
  1285       for (int i = 0; i < int(edgeMapCopies.size()); ++i) {
  1284         delete edgeMapCopies[i];
  1286         delete edgeMapCopies[i];
  1285       }
  1287       }
  1286       for (int i = 0; i < (int)uEdgeMapCopies.size(); ++i) {
  1288       for (int i = 0; i < int(uEdgeMapCopies.size()); ++i) {
  1287         delete uEdgeMapCopies[i];
  1289         delete uEdgeMapCopies[i];
  1288       }
  1290       }
  1289 
  1291 
  1290     }
  1292     }
  1291 
  1293 
  1391     }
  1393     }
  1392 
  1394 
  1393     /// \brief Make a copy of the given node.
  1395     /// \brief Make a copy of the given node.
  1394     ///
  1396     ///
  1395     /// Make a copy of the given node.
  1397     /// Make a copy of the given node.
  1396     BpUGraphCopy& node(TNode& tnode, const Node& node) {
  1398     BpUGraphCopy& node(TNode& tnode, const Node& snode) {
  1397       nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Node, 
  1399       nodeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Node, 
  1398                               NodeRefMap, TNode>(tnode, node));
  1400                               NodeRefMap, TNode>(tnode, snode));
  1399       return *this;
  1401       return *this;
  1400     }
  1402     }
  1401 
  1403 
  1402     /// \brief Copies the edge references into the given map.
  1404     /// \brief Copies the edge references into the given map.
  1403     ///
  1405     ///
  1434     }
  1436     }
  1435 
  1437 
  1436     /// \brief Make a copy of the given edge.
  1438     /// \brief Make a copy of the given edge.
  1437     ///
  1439     ///
  1438     /// Make a copy of the given edge.
  1440     /// Make a copy of the given edge.
  1439     BpUGraphCopy& edge(TEdge& tedge, const Edge& edge) {
  1441     BpUGraphCopy& edge(TEdge& tedge, const Edge& sedge) {
  1440       edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Edge, 
  1442       edgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, Edge, 
  1441                               EdgeRefMap, TEdge>(tedge, edge));
  1443                               EdgeRefMap, TEdge>(tedge, sedge));
  1442       return *this;
  1444       return *this;
  1443     }
  1445     }
  1444 
  1446 
  1445     /// \brief Copies the undirected edge references into the given map.
  1447     /// \brief Copies the undirected edge references into the given map.
  1446     ///
  1448     ///
  1477     }
  1479     }
  1478 
  1480 
  1479     /// \brief Make a copy of the given undirected edge.
  1481     /// \brief Make a copy of the given undirected edge.
  1480     ///
  1482     ///
  1481     /// Make a copy of the given undirected edge.
  1483     /// Make a copy of the given undirected edge.
  1482     BpUGraphCopy& uEdge(TUEdge& tuedge, const UEdge& uedge) {
  1484     BpUGraphCopy& uEdge(TUEdge& tuedge, const UEdge& suedge) {
  1483       uEdgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, UEdge, 
  1485       uEdgeMapCopies.push_back(new _graph_utils_bits::ItemCopy<Source, UEdge, 
  1484                                UEdgeRefMap, TUEdge>(tuedge, uedge));
  1486                                UEdgeRefMap, TUEdge>(tuedge, suedge));
  1485       return *this;
  1487       return *this;
  1486     }
  1488     }
  1487 
  1489 
  1488     /// \brief Executes the copies.
  1490     /// \brief Executes the copies.
  1489     ///
  1491     ///
  1494       NodeRefMap nodeRefMap(source, aNodeRefMap, bNodeRefMap);
  1496       NodeRefMap nodeRefMap(source, aNodeRefMap, bNodeRefMap);
  1495       UEdgeRefMap uEdgeRefMap(source);
  1497       UEdgeRefMap uEdgeRefMap(source);
  1496       EdgeRefMap edgeRefMap(target, source, uEdgeRefMap, nodeRefMap);
  1498       EdgeRefMap edgeRefMap(target, source, uEdgeRefMap, nodeRefMap);
  1497       _graph_utils_bits::BpUGraphCopySelector<Target>::
  1499       _graph_utils_bits::BpUGraphCopySelector<Target>::
  1498         copy(target, source, aNodeRefMap, bNodeRefMap, uEdgeRefMap);
  1500         copy(target, source, aNodeRefMap, bNodeRefMap, uEdgeRefMap);
  1499       for (int i = 0; i < (int)aNodeMapCopies.size(); ++i) {
  1501       for (int i = 0; i < int(aNodeMapCopies.size()); ++i) {
  1500         aNodeMapCopies[i]->copy(source, aNodeRefMap);
  1502         aNodeMapCopies[i]->copy(source, aNodeRefMap);
  1501       }
  1503       }
  1502       for (int i = 0; i < (int)bNodeMapCopies.size(); ++i) {
  1504       for (int i = 0; i < int(bNodeMapCopies.size()); ++i) {
  1503         bNodeMapCopies[i]->copy(source, bNodeRefMap);
  1505         bNodeMapCopies[i]->copy(source, bNodeRefMap);
  1504       }
  1506       }
  1505       for (int i = 0; i < (int)nodeMapCopies.size(); ++i) {
  1507       for (int i = 0; i < int(nodeMapCopies.size()); ++i) {
  1506         nodeMapCopies[i]->copy(source, nodeRefMap);
  1508         nodeMapCopies[i]->copy(source, nodeRefMap);
  1507       }
  1509       }
  1508       for (int i = 0; i < (int)uEdgeMapCopies.size(); ++i) {
  1510       for (int i = 0; i < int(uEdgeMapCopies.size()); ++i) {
  1509         uEdgeMapCopies[i]->copy(source, uEdgeRefMap);
  1511         uEdgeMapCopies[i]->copy(source, uEdgeRefMap);
  1510       }
  1512       }
  1511       for (int i = 0; i < (int)edgeMapCopies.size(); ++i) {
  1513       for (int i = 0; i < int(edgeMapCopies.size()); ++i) {
  1512         edgeMapCopies[i]->copy(source, edgeRefMap);
  1514         edgeMapCopies[i]->copy(source, edgeRefMap);
  1513       }
  1515       }
  1514     }
  1516     }
  1515 
  1517 
  1516   private:
  1518   private:
  1775     /// \brief Erase more keys from the map.
  1777     /// \brief Erase more keys from the map.
  1776     ///
  1778     ///
  1777     /// Erase more keys from the map. It is called by the
  1779     /// Erase more keys from the map. It is called by the
  1778     /// \c AlterationNotifier.
  1780     /// \c AlterationNotifier.
  1779     virtual void erase(const std::vector<Key>& keys) {
  1781     virtual void erase(const std::vector<Key>& keys) {
  1780       for (int i = 0; i < (int)keys.size(); ++i) {
  1782       for (int i = 0; i < int(keys.size()); ++i) {
  1781 	Value val = Map::operator[](keys[i]);
  1783 	Value val = Map::operator[](keys[i]);
  1782 	typename Container::iterator it = invMap.find(val);
  1784 	typename Container::iterator it = invMap.find(val);
  1783 	if (it != invMap.end() && it->second == keys[i]) {
  1785 	if (it != invMap.end() && it->second == keys[i]) {
  1784 	  invMap.erase(it);
  1786 	  invMap.erase(it);
  1785 	}
  1787 	}
  1871     /// \brief Constructor.
  1873     /// \brief Constructor.
  1872     ///
  1874     ///
  1873     /// Constructor for descriptor map.
  1875     /// Constructor for descriptor map.
  1874     explicit DescriptorMap(const Graph& _graph) : Map(_graph) {
  1876     explicit DescriptorMap(const Graph& _graph) : Map(_graph) {
  1875       Item it;
  1877       Item it;
  1876       const typename Map::Notifier* notifier = Map::notifier(); 
  1878       const typename Map::Notifier* nf = Map::notifier(); 
  1877       for (notifier->first(it); it != INVALID; notifier->next(it)) {
  1879       for (nf->first(it); it != INVALID; nf->next(it)) {
  1878 	Map::set(it, invMap.size());
  1880 	Map::set(it, invMap.size());
  1879 	invMap.push_back(it);	
  1881 	invMap.push_back(it);	
  1880       }      
  1882       }      
  1881     }
  1883     }
  1882 
  1884 
  1896     ///
  1898     ///
  1897     /// Add more new keys to the map. It is called by the
  1899     /// Add more new keys to the map. It is called by the
  1898     /// \c AlterationNotifier.
  1900     /// \c AlterationNotifier.
  1899     virtual void add(const std::vector<Item>& items) {
  1901     virtual void add(const std::vector<Item>& items) {
  1900       Map::add(items);
  1902       Map::add(items);
  1901       for (int i = 0; i < (int)items.size(); ++i) {
  1903       for (int i = 0; i < int(items.size()); ++i) {
  1902 	Map::set(items[i], invMap.size());
  1904 	Map::set(items[i], invMap.size());
  1903 	invMap.push_back(items[i]);
  1905 	invMap.push_back(items[i]);
  1904       }
  1906       }
  1905     }
  1907     }
  1906 
  1908 
  1918     /// \brief Erase more keys from the map.
  1920     /// \brief Erase more keys from the map.
  1919     ///
  1921     ///
  1920     /// Erase more keys from the map. It is called by the
  1922     /// Erase more keys from the map. It is called by the
  1921     /// \c AlterationNotifier.
  1923     /// \c AlterationNotifier.
  1922     virtual void erase(const std::vector<Item>& items) {
  1924     virtual void erase(const std::vector<Item>& items) {
  1923       for (int i = 0; i < (int)items.size(); ++i) {
  1925       for (int i = 0; i < int(items.size()); ++i) {
  1924 	Map::set(invMap.back(), Map::operator[](items[i]));
  1926 	Map::set(invMap.back(), Map::operator[](items[i]));
  1925 	invMap[Map::operator[](items[i])] = invMap.back();
  1927 	invMap[Map::operator[](items[i])] = invMap.back();
  1926 	invMap.pop_back();
  1928 	invMap.pop_back();
  1927       }
  1929       }
  1928       Map::erase(items);
  1930       Map::erase(items);
  1933     /// Build the unique map. It is called by the
  1935     /// Build the unique map. It is called by the
  1934     /// \c AlterationNotifier.
  1936     /// \c AlterationNotifier.
  1935     virtual void build() {
  1937     virtual void build() {
  1936       Map::build();
  1938       Map::build();
  1937       Item it;
  1939       Item it;
  1938       const typename Map::Notifier* notifier = Map::notifier(); 
  1940       const typename Map::Notifier* nf = Map::notifier(); 
  1939       for (notifier->first(it); it != INVALID; notifier->next(it)) {
  1941       for (nf->first(it); it != INVALID; nf->next(it)) {
  1940 	Map::set(it, invMap.size());
  1942 	Map::set(it, invMap.size());
  1941 	invMap.push_back(it);	
  1943 	invMap.push_back(it);	
  1942       }      
  1944       }      
  1943     }
  1945     }
  1944     
  1946     
  2278 	Parent::set(key, 0);
  2280 	Parent::set(key, 0);
  2279       }
  2281       }
  2280 
  2282 
  2281       virtual void add(const std::vector<Key>& keys) {
  2283       virtual void add(const std::vector<Key>& keys) {
  2282 	Parent::add(keys);
  2284 	Parent::add(keys);
  2283 	for (int i = 0; i < (int)keys.size(); ++i) {
  2285 	for (int i = 0; i < int(keys.size()); ++i) {
  2284 	  Parent::set(keys[i], 0);
  2286 	  Parent::set(keys[i], 0);
  2285 	}
  2287 	}
  2286       }
  2288       }
  2287     };
  2289     };
  2288 
  2290 
  2311     virtual void add(const Edge& edge) {
  2313     virtual void add(const Edge& edge) {
  2312       ++deg[graph.target(edge)];
  2314       ++deg[graph.target(edge)];
  2313     }
  2315     }
  2314 
  2316 
  2315     virtual void add(const std::vector<Edge>& edges) {
  2317     virtual void add(const std::vector<Edge>& edges) {
  2316       for (int i = 0; i < (int)edges.size(); ++i) {
  2318       for (int i = 0; i < int(edges.size()); ++i) {
  2317         ++deg[graph.target(edges[i])];
  2319         ++deg[graph.target(edges[i])];
  2318       }
  2320       }
  2319     }
  2321     }
  2320 
  2322 
  2321     virtual void erase(const Edge& edge) {
  2323     virtual void erase(const Edge& edge) {
  2322       --deg[graph.target(edge)];
  2324       --deg[graph.target(edge)];
  2323     }
  2325     }
  2324 
  2326 
  2325     virtual void erase(const std::vector<Edge>& edges) {
  2327     virtual void erase(const std::vector<Edge>& edges) {
  2326       for (int i = 0; i < (int)edges.size(); ++i) {
  2328       for (int i = 0; i < int(edges.size()); ++i) {
  2327         --deg[graph.target(edges[i])];
  2329         --deg[graph.target(edges[i])];
  2328       }
  2330       }
  2329     }
  2331     }
  2330 
  2332 
  2331     virtual void build() {
  2333     virtual void build() {
  2390 	Parent::add(key);
  2392 	Parent::add(key);
  2391 	Parent::set(key, 0);
  2393 	Parent::set(key, 0);
  2392       }
  2394       }
  2393       virtual void add(const std::vector<Key>& keys) {
  2395       virtual void add(const std::vector<Key>& keys) {
  2394 	Parent::add(keys);
  2396 	Parent::add(keys);
  2395 	for (int i = 0; i < (int)keys.size(); ++i) {
  2397 	for (int i = 0; i < int(keys.size()); ++i) {
  2396 	  Parent::set(keys[i], 0);
  2398 	  Parent::set(keys[i], 0);
  2397 	}
  2399 	}
  2398       }
  2400       }
  2399     };
  2401     };
  2400 
  2402 
  2423     virtual void add(const Edge& edge) {
  2425     virtual void add(const Edge& edge) {
  2424       ++deg[graph.source(edge)];
  2426       ++deg[graph.source(edge)];
  2425     }
  2427     }
  2426 
  2428 
  2427     virtual void add(const std::vector<Edge>& edges) {
  2429     virtual void add(const std::vector<Edge>& edges) {
  2428       for (int i = 0; i < (int)edges.size(); ++i) {
  2430       for (int i = 0; i < int(edges.size()); ++i) {
  2429         ++deg[graph.source(edges[i])];
  2431         ++deg[graph.source(edges[i])];
  2430       }
  2432       }
  2431     }
  2433     }
  2432 
  2434 
  2433     virtual void erase(const Edge& edge) {
  2435     virtual void erase(const Edge& edge) {
  2434       --deg[graph.source(edge)];
  2436       --deg[graph.source(edge)];
  2435     }
  2437     }
  2436 
  2438 
  2437     virtual void erase(const std::vector<Edge>& edges) {
  2439     virtual void erase(const std::vector<Edge>& edges) {
  2438       for (int i = 0; i < (int)edges.size(); ++i) {
  2440       for (int i = 0; i < int(edges.size()); ++i) {
  2439         --deg[graph.source(edges[i])];
  2441         --deg[graph.source(edges[i])];
  2440       }
  2442       }
  2441     }
  2443     }
  2442 
  2444 
  2443     virtual void build() {
  2445     virtual void build() {