lemon/topology.h
changeset 2178 0d7c0f96a5ee
parent 2082 626939628b4a
child 2260 4274224f8a7d
equal deleted inserted replaced
17:d041b8322f02 18:a1fdf0193f2d
   242   /// \see connected
   242   /// \see connected
   243   ///
   243   ///
   244   /// \note By definition, the empty graph is strongly connected.
   244   /// \note By definition, the empty graph is strongly connected.
   245   template <typename Graph>
   245   template <typename Graph>
   246   bool stronglyConnected(const Graph& graph) {
   246   bool stronglyConnected(const Graph& graph) {
   247     checkConcept<concept::StaticGraph, Graph>();
   247     checkConcept<concept::Graph, Graph>();
   248 
   248 
   249     typedef typename Graph::Node Node;
   249     typedef typename Graph::Node Node;
   250     typedef typename Graph::NodeIt NodeIt;
   250     typedef typename Graph::NodeIt NodeIt;
   251 
   251 
   252     if (NodeIt(graph) == INVALID) return true;
   252     if (NodeIt(graph) == INVALID) return true;
   300   /// \return The number of components
   300   /// \return The number of components
   301   /// \note By definition, the empty graph has zero
   301   /// \note By definition, the empty graph has zero
   302   /// strongly connected components.
   302   /// strongly connected components.
   303   template <typename Graph>
   303   template <typename Graph>
   304   int countStronglyConnectedComponents(const Graph& graph) {
   304   int countStronglyConnectedComponents(const Graph& graph) {
   305     checkConcept<concept::StaticGraph, Graph>();
   305     checkConcept<concept::Graph, Graph>();
   306 
   306 
   307     using namespace _topology_bits;
   307     using namespace _topology_bits;
   308 
   308 
   309     typedef typename Graph::Node Node;
   309     typedef typename Graph::Node Node;
   310     typedef typename Graph::Edge Edge;
   310     typedef typename Graph::Edge Edge;
   369   /// will be set continuously.
   369   /// will be set continuously.
   370   /// \return The number of components
   370   /// \return The number of components
   371   ///
   371   ///
   372   template <typename Graph, typename NodeMap>
   372   template <typename Graph, typename NodeMap>
   373   int stronglyConnectedComponents(const Graph& graph, NodeMap& compMap) {
   373   int stronglyConnectedComponents(const Graph& graph, NodeMap& compMap) {
   374     checkConcept<concept::StaticGraph, Graph>();
   374     checkConcept<concept::Graph, Graph>();
   375     typedef typename Graph::Node Node;
   375     typedef typename Graph::Node Node;
   376     typedef typename Graph::NodeIt NodeIt;
   376     typedef typename Graph::NodeIt NodeIt;
   377     checkConcept<concept::WriteMap<Node, int>, NodeMap>();
   377     checkConcept<concept::WriteMap<Node, int>, NodeMap>();
   378 
   378 
   379     using namespace _topology_bits;
   379     using namespace _topology_bits;
   432   /// edge is a cut edge.
   432   /// edge is a cut edge.
   433   ///
   433   ///
   434   /// \return The number of cut edges
   434   /// \return The number of cut edges
   435   template <typename Graph, typename EdgeMap>
   435   template <typename Graph, typename EdgeMap>
   436   int stronglyConnectedCutEdges(const Graph& graph, EdgeMap& cutMap) {
   436   int stronglyConnectedCutEdges(const Graph& graph, EdgeMap& cutMap) {
   437     checkConcept<concept::StaticGraph, Graph>();
   437     checkConcept<concept::Graph, Graph>();
   438     typedef typename Graph::Node Node;
   438     typedef typename Graph::Node Node;
   439     typedef typename Graph::Edge Edge;
   439     typedef typename Graph::Edge Edge;
   440     typedef typename Graph::NodeIt NodeIt;
   440     typedef typename Graph::NodeIt NodeIt;
   441     checkConcept<concept::WriteMap<Edge, bool>, EdgeMap>();
   441     checkConcept<concept::WriteMap<Edge, bool>, EdgeMap>();
   442 
   442 
  1203   /// \see dag
  1203   /// \see dag
  1204   template <typename Graph, typename NodeMap>
  1204   template <typename Graph, typename NodeMap>
  1205   void topologicalSort(const Graph& graph, NodeMap& order) {
  1205   void topologicalSort(const Graph& graph, NodeMap& order) {
  1206     using namespace _topology_bits;
  1206     using namespace _topology_bits;
  1207 
  1207 
  1208     checkConcept<concept::StaticGraph, Graph>();
  1208     checkConcept<concept::Graph, Graph>();
  1209     checkConcept<concept::WriteMap<typename Graph::Node, int>, NodeMap>();
  1209     checkConcept<concept::WriteMap<typename Graph::Node, int>, NodeMap>();
  1210 
  1210 
  1211     typedef typename Graph::Node Node;
  1211     typedef typename Graph::Node Node;
  1212     typedef typename Graph::NodeIt NodeIt;
  1212     typedef typename Graph::NodeIt NodeIt;
  1213     typedef typename Graph::Edge Edge;
  1213     typedef typename Graph::Edge Edge;
  1245   /// \see dag
  1245   /// \see dag
  1246   template <typename Graph, typename NodeMap>
  1246   template <typename Graph, typename NodeMap>
  1247   bool checkedTopologicalSort(const Graph& graph, NodeMap& order) {
  1247   bool checkedTopologicalSort(const Graph& graph, NodeMap& order) {
  1248     using namespace _topology_bits;
  1248     using namespace _topology_bits;
  1249 
  1249 
  1250     checkConcept<concept::StaticGraph, Graph>();
  1250     checkConcept<concept::Graph, Graph>();
  1251     checkConcept<concept::ReadWriteMap<typename Graph::Node, int>, NodeMap>();
  1251     checkConcept<concept::ReadWriteMap<typename Graph::Node, int>, NodeMap>();
  1252 
  1252 
  1253     typedef typename Graph::Node Node;
  1253     typedef typename Graph::Node Node;
  1254     typedef typename Graph::NodeIt NodeIt;
  1254     typedef typename Graph::NodeIt NodeIt;
  1255     typedef typename Graph::Edge Edge;
  1255     typedef typename Graph::Edge Edge;
  1288   /// \return %False when the graph is not DAG.
  1288   /// \return %False when the graph is not DAG.
  1289   /// \see acyclic
  1289   /// \see acyclic
  1290   template <typename Graph>
  1290   template <typename Graph>
  1291   bool dag(const Graph& graph) {
  1291   bool dag(const Graph& graph) {
  1292 
  1292 
  1293     checkConcept<concept::StaticGraph, Graph>();
  1293     checkConcept<concept::Graph, Graph>();
  1294 
  1294 
  1295     typedef typename Graph::Node Node;
  1295     typedef typename Graph::Node Node;
  1296     typedef typename Graph::NodeIt NodeIt;
  1296     typedef typename Graph::NodeIt NodeIt;
  1297     typedef typename Graph::Edge Edge;
  1297     typedef typename Graph::Edge Edge;
  1298 
  1298