lemon/list_graph.h
changeset 2386 81b47fc5c444
parent 2381 0248790c66ea
child 2391 14a343be7a5a
equal deleted inserted replaced
47:25419a88d9cd 48:2c3dfcc5f903
   520         }
   520         }
   521         virtual void erase(const Node& node) {
   521         virtual void erase(const Node& node) {
   522           snapshot.eraseNode(node);
   522           snapshot.eraseNode(node);
   523         }
   523         }
   524         virtual void erase(const std::vector<Node>& nodes) {
   524         virtual void erase(const std::vector<Node>& nodes) {
   525           for (int i = 0; i < (int)nodes.size(); ++i) {
   525           for (int i = 0; i < int(nodes.size()); ++i) {
   526             snapshot.eraseNode(nodes[i]);
   526             snapshot.eraseNode(nodes[i]);
   527           }
   527           }
   528         }
   528         }
   529         virtual void build() {
   529         virtual void build() {
   530           NodeNotifier* _notifier = notifier();
       
   531           Node node;
   530           Node node;
   532           std::vector<Node> nodes;
   531           std::vector<Node> nodes;
   533           for (_notifier->first(node); node != INVALID; 
   532           for (notifier()->first(node); node != INVALID; 
   534                _notifier->next(node)) {
   533                notifier()->next(node)) {
   535             nodes.push_back(node);
   534             nodes.push_back(node);
   536           }
   535           }
   537           for (int i = nodes.size() - 1; i >= 0; --i) {
   536           for (int i = nodes.size() - 1; i >= 0; --i) {
   538             snapshot.addNode(nodes[i]);
   537             snapshot.addNode(nodes[i]);
   539           }
   538           }
   540         }
   539         }
   541         virtual void clear() {
   540         virtual void clear() {
   542           NodeNotifier* _notifier = notifier();
       
   543           Node node;
   541           Node node;
   544           for (_notifier->first(node); node != INVALID; 
   542           for (notifier()->first(node); node != INVALID; 
   545                _notifier->next(node)) {
   543                notifier()->next(node)) {
   546             snapshot.eraseNode(node);
   544             snapshot.eraseNode(node);
   547           }
   545           }
   548         }
   546         }
   549 
   547 
   550         Snapshot& snapshot;
   548         Snapshot& snapshot;
   572         }
   570         }
   573         virtual void erase(const Edge& edge) {
   571         virtual void erase(const Edge& edge) {
   574           snapshot.eraseEdge(edge);
   572           snapshot.eraseEdge(edge);
   575         }
   573         }
   576         virtual void erase(const std::vector<Edge>& edges) {
   574         virtual void erase(const std::vector<Edge>& edges) {
   577           for (int i = 0; i < (int)edges.size(); ++i) {
   575           for (int i = 0; i < int(edges.size()); ++i) {
   578             snapshot.eraseEdge(edges[i]);
   576             snapshot.eraseEdge(edges[i]);
   579           }
   577           }
   580         }
   578         }
   581         virtual void build() {
   579         virtual void build() {
   582           EdgeNotifier* _notifier = notifier();
       
   583           Edge edge;
   580           Edge edge;
   584           std::vector<Edge> edges;
   581           std::vector<Edge> edges;
   585           for (_notifier->first(edge); edge != INVALID; 
   582           for (notifier()->first(edge); edge != INVALID; 
   586                _notifier->next(edge)) {
   583                notifier()->next(edge)) {
   587             edges.push_back(edge);
   584             edges.push_back(edge);
   588           }
   585           }
   589           for (int i = edges.size() - 1; i >= 0; --i) {
   586           for (int i = edges.size() - 1; i >= 0; --i) {
   590             snapshot.addEdge(edges[i]);
   587             snapshot.addEdge(edges[i]);
   591           }
   588           }
   592         }
   589         }
   593         virtual void clear() {
   590         virtual void clear() {
   594           EdgeNotifier* _notifier = notifier();
       
   595           Edge edge;
   591           Edge edge;
   596           for (_notifier->first(edge); edge != INVALID; _notifier->next(edge)) {
   592           for (notifier()->first(edge); edge != INVALID; 
       
   593                notifier()->next(edge)) {
   597             snapshot.eraseEdge(edge);
   594             snapshot.eraseEdge(edge);
   598           }
   595           }
   599         }
   596         }
   600 
   597 
   601         Snapshot& snapshot;
   598         Snapshot& snapshot;
  1267         }
  1264         }
  1268         virtual void erase(const Node& node) {
  1265         virtual void erase(const Node& node) {
  1269           snapshot.eraseNode(node);
  1266           snapshot.eraseNode(node);
  1270         }
  1267         }
  1271         virtual void erase(const std::vector<Node>& nodes) {
  1268         virtual void erase(const std::vector<Node>& nodes) {
  1272           for (int i = 0; i < (int)nodes.size(); ++i) {
  1269           for (int i = 0; i < int(nodes.size()); ++i) {
  1273             snapshot.eraseNode(nodes[i]);
  1270             snapshot.eraseNode(nodes[i]);
  1274           }
  1271           }
  1275         }
  1272         }
  1276         virtual void build() {
  1273         virtual void build() {
  1277           NodeNotifier* _notifier = notifier();
       
  1278           Node node;
  1274           Node node;
  1279           std::vector<Node> nodes;
  1275           std::vector<Node> nodes;
  1280           for (_notifier->first(node); node != INVALID; 
  1276           for (notifier()->first(node); node != INVALID; 
  1281                _notifier->next(node)) {
  1277                notifier()->next(node)) {
  1282             nodes.push_back(node);
  1278             nodes.push_back(node);
  1283           }
  1279           }
  1284           for (int i = nodes.size() - 1; i >= 0; --i) {
  1280           for (int i = nodes.size() - 1; i >= 0; --i) {
  1285             snapshot.addNode(nodes[i]);
  1281             snapshot.addNode(nodes[i]);
  1286           }
  1282           }
  1287         }
  1283         }
  1288         virtual void clear() {
  1284         virtual void clear() {
  1289           NodeNotifier* _notifier = notifier();
       
  1290           Node node;
  1285           Node node;
  1291           for (_notifier->first(node); node != INVALID; 
  1286           for (notifier()->first(node); node != INVALID; 
  1292                _notifier->next(node)) {
  1287                notifier()->next(node)) {
  1293             snapshot.eraseNode(node);
  1288             snapshot.eraseNode(node);
  1294           }
  1289           }
  1295         }
  1290         }
  1296 
  1291 
  1297         Snapshot& snapshot;
  1292         Snapshot& snapshot;
  1319         }
  1314         }
  1320         virtual void erase(const UEdge& edge) {
  1315         virtual void erase(const UEdge& edge) {
  1321           snapshot.eraseUEdge(edge);
  1316           snapshot.eraseUEdge(edge);
  1322         }
  1317         }
  1323         virtual void erase(const std::vector<UEdge>& edges) {
  1318         virtual void erase(const std::vector<UEdge>& edges) {
  1324           for (int i = 0; i < (int)edges.size(); ++i) {
  1319           for (int i = 0; i < int(edges.size()); ++i) {
  1325             snapshot.eraseUEdge(edges[i]);
  1320             snapshot.eraseUEdge(edges[i]);
  1326           }
  1321           }
  1327         }
  1322         }
  1328         virtual void build() {
  1323         virtual void build() {
  1329           UEdgeNotifier* _notifier = notifier();
       
  1330           UEdge edge;
  1324           UEdge edge;
  1331           std::vector<UEdge> edges;
  1325           std::vector<UEdge> edges;
  1332           for (_notifier->first(edge); edge != INVALID; 
  1326           for (notifier()->first(edge); edge != INVALID; 
  1333                _notifier->next(edge)) {
  1327                notifier()->next(edge)) {
  1334             edges.push_back(edge);
  1328             edges.push_back(edge);
  1335           }
  1329           }
  1336           for (int i = edges.size() - 1; i >= 0; --i) {
  1330           for (int i = edges.size() - 1; i >= 0; --i) {
  1337             snapshot.addUEdge(edges[i]);
  1331             snapshot.addUEdge(edges[i]);
  1338           }
  1332           }
  1339         }
  1333         }
  1340         virtual void clear() {
  1334         virtual void clear() {
  1341           UEdgeNotifier* _notifier = notifier();
       
  1342           UEdge edge;
  1335           UEdge edge;
  1343           for (_notifier->first(edge); edge != INVALID; 
  1336           for (notifier()->first(edge); edge != INVALID; 
  1344                _notifier->next(edge)) {
  1337                notifier()->next(edge)) {
  1345             snapshot.eraseUEdge(edge);
  1338             snapshot.eraseUEdge(edge);
  1346           }
  1339           }
  1347         }
  1340         }
  1348 
  1341 
  1349         Snapshot& snapshot;
  1342         Snapshot& snapshot;
  1573         node.id = bNodes[node.id >> 1].next;
  1566         node.id = bNodes[node.id >> 1].next;
  1574       }
  1567       }
  1575     }
  1568     }
  1576   
  1569   
  1577     void first(UEdge& edge) const {
  1570     void first(UEdge& edge) const {
  1578       int aNodeId = first_anode;
  1571       int aid = first_anode;
  1579       while (aNodeId != -1 && aNodes[aNodeId].first_edge == -1) {
  1572       while (aid != -1 && aNodes[aid].first_edge == -1) {
  1580         aNodeId = aNodes[aNodeId].next != -1 ? 
  1573         aid = aNodes[aid].next != -1 ? 
  1581           aNodes[aNodeId].next >> 1 : -1;
  1574           aNodes[aid].next >> 1 : -1;
  1582       }
  1575       }
  1583       if (aNodeId != -1) {
  1576       if (aid != -1) {
  1584         edge.id = aNodes[aNodeId].first_edge;
  1577         edge.id = aNodes[aid].first_edge;
  1585       } else {
  1578       } else {
  1586         edge.id = -1;
  1579         edge.id = -1;
  1587       }
  1580       }
  1588     }
  1581     }
  1589     void next(UEdge& edge) const {
  1582     void next(UEdge& edge) const {
  1590       int aNodeId = edges[edge.id].aNode >> 1;
  1583       int aid = edges[edge.id].aNode >> 1;
  1591       edge.id = edges[edge.id].next_out;
  1584       edge.id = edges[edge.id].next_out;
  1592       if (edge.id == -1) {
  1585       if (edge.id == -1) {
  1593         aNodeId = aNodes[aNodeId].next != -1 ? 
  1586         aid = aNodes[aid].next != -1 ? 
  1594           aNodes[aNodeId].next >> 1 : -1;
  1587           aNodes[aid].next >> 1 : -1;
  1595         while (aNodeId != -1 && aNodes[aNodeId].first_edge == -1) {
  1588         while (aid != -1 && aNodes[aid].first_edge == -1) {
  1596           aNodeId = aNodes[aNodeId].next != -1 ? 
  1589           aid = aNodes[aid].next != -1 ? 
  1597           aNodes[aNodeId].next >> 1 : -1;
  1590           aNodes[aid].next >> 1 : -1;
  1598         }
  1591         }
  1599         if (aNodeId != -1) {
  1592         if (aid != -1) {
  1600           edge.id = aNodes[aNodeId].first_edge;
  1593           edge.id = aNodes[aid].first_edge;
  1601         } else {
  1594         } else {
  1602           edge.id = -1;
  1595           edge.id = -1;
  1603         }
  1596         }
  1604       }
  1597       }
  1605     }
  1598     }
  1675     static bool bNode(const Node& node) {
  1668     static bool bNode(const Node& node) {
  1676       return (node.id & 1) == 1;
  1669       return (node.id & 1) == 1;
  1677     }
  1670     }
  1678 
  1671 
  1679     Node addANode() {
  1672     Node addANode() {
  1680       int aNodeId;
  1673       int aid;
  1681       if (first_free_anode == -1) {
  1674       if (first_free_anode == -1) {
  1682         aNodeId = aNodes.size();
  1675         aid = aNodes.size();
  1683         aNodes.push_back(NodeT());
  1676         aNodes.push_back(NodeT());
  1684       } else {
  1677       } else {
  1685         aNodeId = first_free_anode;
  1678         aid = first_free_anode;
  1686         first_free_anode = aNodes[first_free_anode].next;
  1679         first_free_anode = aNodes[first_free_anode].next;
  1687       }
  1680       }
  1688       if (first_anode != -1) {
  1681       if (first_anode != -1) {
  1689         aNodes[aNodeId].next = first_anode << 1;
  1682         aNodes[aid].next = first_anode << 1;
  1690         aNodes[first_anode].prev = aNodeId << 1;
  1683         aNodes[first_anode].prev = aid << 1;
  1691       } else {
  1684       } else {
  1692         aNodes[aNodeId].next = -1;
  1685         aNodes[aid].next = -1;
  1693       }
  1686       }
  1694       aNodes[aNodeId].prev = -1;
  1687       aNodes[aid].prev = -1;
  1695       first_anode = aNodeId;
  1688       first_anode = aid;
  1696       aNodes[aNodeId].first_edge = -1;
  1689       aNodes[aid].first_edge = -1;
  1697       return Node(aNodeId << 1);
  1690       return Node(aid << 1);
  1698     }
  1691     }
  1699 
  1692 
  1700     Node addBNode() {
  1693     Node addBNode() {
  1701       int bNodeId;
  1694       int bid;
  1702       if (first_free_bnode == -1) {
  1695       if (first_free_bnode == -1) {
  1703         bNodeId = bNodes.size();
  1696         bid = bNodes.size();
  1704         bNodes.push_back(NodeT());
  1697         bNodes.push_back(NodeT());
  1705       } else {
  1698       } else {
  1706         bNodeId = first_free_bnode;
  1699         bid = first_free_bnode;
  1707         first_free_bnode = bNodes[first_free_bnode].next;
  1700         first_free_bnode = bNodes[first_free_bnode].next;
  1708       }
  1701       }
  1709       if (first_bnode != -1) {
  1702       if (first_bnode != -1) {
  1710         bNodes[bNodeId].next = (first_bnode << 1) + 1;
  1703         bNodes[bid].next = (first_bnode << 1) + 1;
  1711         bNodes[first_bnode].prev = (bNodeId << 1) + 1;
  1704         bNodes[first_bnode].prev = (bid << 1) + 1;
  1712       } else {
  1705       } else {
  1713         bNodes[bNodeId].next = -1;
  1706         bNodes[bid].next = -1;
  1714       }
  1707       }
  1715       bNodes[bNodeId].prev = -1;
  1708       bNodes[bid].prev = -1;
  1716       first_bnode = bNodeId;
  1709       first_bnode = bid;
  1717       bNodes[bNodeId].first_edge = -1;
  1710       bNodes[bid].first_edge = -1;
  1718       return Node((bNodeId << 1) + 1);
  1711       return Node((bid << 1) + 1);
  1719     }
  1712     }
  1720 
  1713 
  1721     UEdge addEdge(const Node& source, const Node& target) {
  1714     UEdge addEdge(const Node& source, const Node& target) {
  1722       LEMON_ASSERT(((source.id ^ target.id) & 1) == 1, NodeSetError());
  1715       LEMON_ASSERT(((source.id ^ target.id) & 1) == 1, NodeSetError());
  1723       int edgeId;
  1716       int edgeId;
  1750       return UEdge(edgeId);
  1743       return UEdge(edgeId);
  1751     }
  1744     }
  1752 
  1745 
  1753     void erase(const Node& node) {
  1746     void erase(const Node& node) {
  1754       if (aNode(node)) {
  1747       if (aNode(node)) {
  1755         int aNodeId = node.id >> 1;
  1748         int aid = node.id >> 1;
  1756         if (aNodes[aNodeId].prev != -1) {
  1749         if (aNodes[aid].prev != -1) {
  1757           aNodes[aNodes[aNodeId].prev >> 1].next = aNodes[aNodeId].next;
  1750           aNodes[aNodes[aid].prev >> 1].next = aNodes[aid].next;
  1758         } else {
  1751         } else {
  1759           first_anode = 
  1752           first_anode = 
  1760             aNodes[aNodeId].next != -1 ? aNodes[aNodeId].next >> 1 : -1;
  1753             aNodes[aid].next != -1 ? aNodes[aid].next >> 1 : -1;
  1761         }
  1754         }
  1762         if (aNodes[aNodeId].next != -1) {
  1755         if (aNodes[aid].next != -1) {
  1763           aNodes[aNodes[aNodeId].next >> 1].prev = aNodes[aNodeId].prev;
  1756           aNodes[aNodes[aid].next >> 1].prev = aNodes[aid].prev;
  1764         }
  1757         }
  1765         aNodes[aNodeId].next = first_free_anode;
  1758         aNodes[aid].next = first_free_anode;
  1766         first_free_anode = aNodeId;
  1759         first_free_anode = aid;
  1767       } else {
  1760       } else {
  1768         int bNodeId = node.id >> 1;
  1761         int bid = node.id >> 1;
  1769         if (bNodes[bNodeId].prev != -1) {
  1762         if (bNodes[bid].prev != -1) {
  1770           bNodes[bNodes[bNodeId].prev >> 1].next = bNodes[bNodeId].next;
  1763           bNodes[bNodes[bid].prev >> 1].next = bNodes[bid].next;
  1771         } else {
  1764         } else {
  1772           first_bnode = 
  1765           first_bnode = 
  1773             bNodes[bNodeId].next != -1 ? bNodes[bNodeId].next >> 1 : -1;
  1766             bNodes[bid].next != -1 ? bNodes[bid].next >> 1 : -1;
  1774         }
  1767         }
  1775         if (bNodes[bNodeId].next != -1) {
  1768         if (bNodes[bid].next != -1) {
  1776           bNodes[bNodes[bNodeId].next >> 1].prev = bNodes[bNodeId].prev;
  1769           bNodes[bNodes[bid].next >> 1].prev = bNodes[bid].prev;
  1777         }
  1770         }
  1778         bNodes[bNodeId].next = first_free_bnode;
  1771         bNodes[bid].next = first_free_bnode;
  1779         first_free_bnode = bNodeId;
  1772         first_free_bnode = bid;
  1780       }
  1773       }
  1781     }
  1774     }
  1782 
  1775 
  1783     void erase(const UEdge& edge) {
  1776     void erase(const UEdge& edge) {
  1784 
  1777 
  2049         }
  2042         }
  2050         virtual void erase(const Node& node) {
  2043         virtual void erase(const Node& node) {
  2051           snapshot.eraseNode(node);
  2044           snapshot.eraseNode(node);
  2052         }
  2045         }
  2053         virtual void erase(const std::vector<Node>& nodes) {
  2046         virtual void erase(const std::vector<Node>& nodes) {
  2054           for (int i = 0; i < (int)nodes.size(); ++i) {
  2047           for (int i = 0; i < int(nodes.size()); ++i) {
  2055             snapshot.eraseNode(nodes[i]);
  2048             snapshot.eraseNode(nodes[i]);
  2056           }
  2049           }
  2057         }
  2050         }
  2058         virtual void build() {
  2051         virtual void build() {
  2059           NodeNotifier* _notifier = notifier();
       
  2060           Node node;
  2052           Node node;
  2061           std::vector<Node> nodes;
  2053           std::vector<Node> nodes;
  2062           for (_notifier->first(node); node != INVALID; 
  2054           for (notifier()->first(node); node != INVALID; 
  2063                _notifier->next(node)) {
  2055                notifier()->next(node)) {
  2064             nodes.push_back(node);
  2056             nodes.push_back(node);
  2065           }
  2057           }
  2066           for (int i = nodes.size() - 1; i >= 0; --i) {
  2058           for (int i = nodes.size() - 1; i >= 0; --i) {
  2067             snapshot.addNode(nodes[i]);
  2059             snapshot.addNode(nodes[i]);
  2068           }
  2060           }
  2069         }
  2061         }
  2070         virtual void clear() {
  2062         virtual void clear() {
  2071           NodeNotifier* _notifier = notifier();
       
  2072           Node node;
  2063           Node node;
  2073           for (_notifier->first(node); node != INVALID; 
  2064           for (notifier()->first(node); node != INVALID; 
  2074                _notifier->next(node)) {
  2065                notifier()->next(node)) {
  2075             snapshot.eraseNode(node);
  2066             snapshot.eraseNode(node);
  2076           }
  2067           }
  2077         }
  2068         }
  2078 
  2069 
  2079         Snapshot& snapshot;
  2070         Snapshot& snapshot;
  2101         }
  2092         }
  2102         virtual void erase(const UEdge& edge) {
  2093         virtual void erase(const UEdge& edge) {
  2103           snapshot.eraseUEdge(edge);
  2094           snapshot.eraseUEdge(edge);
  2104         }
  2095         }
  2105         virtual void erase(const std::vector<UEdge>& edges) {
  2096         virtual void erase(const std::vector<UEdge>& edges) {
  2106           for (int i = 0; i < (int)edges.size(); ++i) {
  2097           for (int i = 0; i < int(edges.size()); ++i) {
  2107             snapshot.eraseUEdge(edges[i]);
  2098             snapshot.eraseUEdge(edges[i]);
  2108           }
  2099           }
  2109         }
  2100         }
  2110         virtual void build() {
  2101         virtual void build() {
  2111           UEdgeNotifier* _notifier = notifier();
       
  2112           UEdge edge;
  2102           UEdge edge;
  2113           std::vector<UEdge> edges;
  2103           std::vector<UEdge> edges;
  2114           for (_notifier->first(edge); edge != INVALID; 
  2104           for (notifier()->first(edge); edge != INVALID; 
  2115                _notifier->next(edge)) {
  2105                notifier()->next(edge)) {
  2116             edges.push_back(edge);
  2106             edges.push_back(edge);
  2117           }
  2107           }
  2118           for (int i = edges.size() - 1; i >= 0; --i) {
  2108           for (int i = edges.size() - 1; i >= 0; --i) {
  2119             snapshot.addUEdge(edges[i]);
  2109             snapshot.addUEdge(edges[i]);
  2120           }
  2110           }
  2121         }
  2111         }
  2122         virtual void clear() {
  2112         virtual void clear() {
  2123           UEdgeNotifier* _notifier = notifier();
       
  2124           UEdge edge;
  2113           UEdge edge;
  2125           for (_notifier->first(edge); edge != INVALID; 
  2114           for (notifier()->first(edge); edge != INVALID; 
  2126                _notifier->next(edge)) {
  2115                notifier()->next(edge)) {
  2127             snapshot.eraseUEdge(edge);
  2116             snapshot.eraseUEdge(edge);
  2128           }
  2117           }
  2129         }
  2118         }
  2130 
  2119 
  2131         Snapshot& snapshot;
  2120         Snapshot& snapshot;