Changeset 500:1a45623b4796 in lemon-0.x

Timestamp:

04/30/04 19:48:50 (20 years ago)

Author:

marci

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@660

Message:

misc

Location:

src/work/marci

Files:

• bipartite_graph_wrapper.h (modified) (2 diffs)
• bipartite_matching_try_2.cc (modified) (4 diffs)

src/work/marci/bipartite_graph_wrapper.h

@@ -47 +47 @@
 
     BipartiteGraphWrapper(Graph& _graph, SFalseTTrueMap& _s_false_t_true_map) 
-      : GraphWrapper<Graph>(_graph), s_false_t_true_map(&_s_false_t_true_map), 
-      S_CLASS(false), T_CLASS(true) { }
+      : GraphWrapper<Graph>(_graph), 
+        s_false_t_true_map(&_s_false_t_true_map), 
+        S_CLASS(false), T_CLASS(true) { }
     typedef typename GraphWrapper<Graph>::Node Node;
     //using GraphWrapper<Graph>::NodeIt;
@@ -198 +199 @@
     typedef typename Parent::Edge Edge;
     BipartiteGraph() : BipartiteGraphWrapper<Graph>(), 
-                       gr(), bipartite_map(gr), 
+                       gr(), bipartite_map(gr, -1), 
                        s_false_t_true_map(bipartite_map) { 
       Parent::setGraph(gr); 

src/work/marci/bipartite_matching_try_2.cc

@@ -64 +64 @@
   std::cin >> m; 
   
-
+  std::cout << "Generatig a random bipartite graph..." << std::endl;
   for (int i=0; i<a; ++i) s_nodes.push_back(g.addNode(false));
   for (int i=0; i<b; ++i) t_nodes.push_back(g.addNode(true));
@@ -77 +77 @@
   std::cout << std::endl;
 
+  std::cout << "Nodes in T:" << std::endl;
+  FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, g.T_CLASS) std::cout << v << " ";
+  std::cout << std::endl;
+  std::cout << "Nodes in S:" << std::endl;
+  FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, g.S_CLASS) std::cout << v << " ";
+  std::cout << std::endl;
+
+  std::cout << "Erasing the first node..." << std::endl;
+  NodeIt n;
+  g.first(n);
+  g.erase(n);
+  std::cout << "Nodes of the bipartite graph:" << std::endl;
+  FOR_EACH_GLOB(n, g) std::cout << n << " ";
+  std::cout << std::endl;
+
+  std::cout << "Nodes in T:" << std::endl;
+  FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, g.T_CLASS) std::cout << v << " ";
+  std::cout << std::endl;
+  std::cout << "Nodes in S:" << std::endl;
+  FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, g.S_CLASS) std::cout << v << " ";
+  std::cout << std::endl;
+
   typedef stGraphWrapper<Graph> stGW;
   stGW stgw(g);
   ConstMap<stGW::Edge, int> const1map(1);
-
-
-
 
   Timer ts;
@@ -89 +108 @@
   MaxFlow<stGW, int, ConstMap<stGW::Edge, int>, stGW::EdgeMap<int> > 
     max_flow_test(stgw, stgw.S_NODE, stgw.T_NODE, const1map, flow);
+  max_flow_test.run();
 //  while (max_flow_test.augmentOnShortestPath()) { }
-  typedef ListGraph MutableGraph;
+//  typedef ListGraph MutableGraph;
 //  while (max_flow_test.augmentOnBlockingFlow1<MutableGraph>()) {
-  while (max_flow_test.augmentOnBlockingFlow2()) {
-   std::cout << max_flow_test.flowValue() << std::endl;
-  }
+//  while (max_flow_test.augmentOnBlockingFlow2()) {
+//   std::cout << max_flow_test.flowValue() << std::endl;
+//  }
   std::cout << "max flow value: " << max_flow_test.flowValue() << std::endl;
   std::cout << "elapsed time: " << ts << std::endl;
@@ -102 +122 @@
   std::cout << std::endl;
 
-  ts.reset();
-  stGW::EdgeMap<int> pre_flow(stgw);
-  MaxFlow<stGW, int, ConstMap<stGW::Edge, int>, stGW::EdgeMap<int> > 
-    pre_flow_test(stgw, stgw.S_NODE, stgw.T_NODE, const1map, pre_flow/*, true*/);
-  pre_flow_test.run();
-  std::cout << "pre flow value: " << max_flow_test.flowValue() << std::endl;
-  std::cout << "elapsed time: " << ts << std::endl;
-//   FOR_EACH_LOC(stGW::EdgeIt, e, stgw) { 
-//     std::cout << e << ": " << pre_flow[e] << "\n"; 
-//   }
-//   std::cout << "\n";
-
   return 0;
 }