Changeset 768:a5e9303a5511 in lemon-0.x for src/work/marci/bipartite_matching_try_3.cc

Timestamp:

08/23/04 13:06:00 (20 years ago)

Author:

marci

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1031

Message:

stGraphWrapper modifications

File:

• src/work/marci/bipartite_matching_try_3.cc (modified) (6 diffs)

src/work/marci/bipartite_matching_try_3.cc

@@ -18 +18 @@
 using namespace hugo;
 
+using std::cout;
+using std::endl;
+
 int main() {
   //typedef UndirListGraph Graph; 
@@ -31 +34 @@
 
   int a;
-  std::cout << "number of nodes in the first color class=";
+  cout << "number of nodes in the first color class=";
   std::cin >> a; 
   int b;
-  std::cout << "number of nodes in the second color class=";
+  cout << "number of nodes in the second color class=";
   std::cin >> b; 
   int m;
-  std::cout << "number of edges=";
+  cout << "number of edges=";
   std::cin >> m; 
   
-  std::cout << "Generatig a random bipartite graph..." << std::endl;
+  cout << "Generatig a random bipartite graph..." << endl;
   random_init();
   randomBipartiteGraph(g, a, b, m);
 
-//   std::cout << "Edges of the bipartite graph:" << std::endl;
-//   FOR_EACH_LOC(EdgeIt, e, g) std::cout << e << " ";
-//   std::cout << std::endl;
+//   cout << "Edges of the bipartite graph:" << endl;
+//   FOR_EACH_LOC(EdgeIt, e, g) cout << e << " ";
+//   cout << endl;
 
-//   std::cout << "Nodes:" << std::endl;
-//   FOR_EACH_LOC(Graph::NodeIt, v, g) std::cout << v << " ";
-//   std::cout << std::endl;
-//   std::cout << "Nodes in T:" << std::endl;
-//   FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, Graph::T_CLASS) std::cout << v << " ";
-//   std::cout << std::endl;
-//   std::cout << "Nodes in S:" << std::endl;
-//   FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, Graph::S_CLASS) std::cout << v << " ";
-//   std::cout << std::endl;
+//   cout << "Nodes:" << endl;
+//   FOR_EACH_LOC(Graph::NodeIt, v, g) cout << v << " ";
+//   cout << endl;
+//   cout << "Nodes in T:" << endl;
+//   FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, Graph::T_CLASS) cout << v << " ";
+//   cout << endl;
+//   cout << "Nodes in S:" << endl;
+//   FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, Graph::S_CLASS) cout << v << " ";
+//   cout << endl;
 
-//   std::cout << "Erasing the first node..." << std::endl;
+//   cout << "Erasing the first node..." << 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;
+//   cout << "Nodes of the bipartite graph:" << endl;
+//   FOR_EACH_GLOB(n, g) cout << n << " ";
+//   cout << endl;
 
-//   std::cout << "Nodes in T:" << std::endl;
-//   FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, Graph::T_CLASS) std::cout << v << " ";
-//   std::cout << std::endl;
-//   std::cout << "Nodes in S:" << std::endl;
-//   FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, Graph::S_CLASS) std::cout << v << " ";
-//   std::cout << std::endl;
+//   cout << "Nodes in T:" << endl;
+//   FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, Graph::T_CLASS) cout << v << " ";
+//   cout << endl;
+//   cout << "Nodes in S:" << endl;
+//   FOR_EACH_INC_LOC(Graph::ClassNodeIt, v, g, Graph::S_CLASS) cout << v << " ";
+//   cout << endl;
 
-  typedef stGraphWrapper<Graph> stGW;
+  typedef stBipartiteGraphWrapper<Graph> stGW;
   stGW stgw(g);
   ConstMap<stGW::Edge, int> const1map(1);
 
   Timer ts;
+  cout << "max bipartite matching with stGraphWrapper..." << endl;
   ts.reset();
   stGW::EdgeMap<int> flow(stgw);
@@ -87 +91 @@
 //  while (max_flow_test.augmentOnBlockingFlow1<MutableGraph>()) {
 //  while (max_flow_test.augmentOnBlockingFlow2()) {
-//   std::cout << max_flow_test.flowValue() << std::endl;
+//   cout << max_flow_test.flowValue() << endl;
 //  }
-  std::cout << "max flow value: " << max_flow_test.flowValue() << std::endl;
-  std::cout << "elapsed time: " << ts << std::endl;
+  cout << "matching value: " << max_flow_test.flowValue() << endl;
+  cout << "elapsed time: " << ts << endl;
 //   FOR_EACH_LOC(stGW::EdgeIt, e, stgw) { 
-//     if (flow[e]) std::cout << e << std::endl; 
+//     if (flow[e]) cout << e << endl; 
 //   }
-  std::cout << std::endl;
+  cout << endl;
 
   typedef ConstMap<Graph::Edge, int> EdgeCap; 
@@ -105 +109 @@
   NodeFlow gnf(g); //0 
 
-  typedef stGraphWrapper<Graph>::EdgeMapWrapper<EdgeCap, NodeCap> CapMap; 
-  typedef stGraphWrapper<Graph>::EdgeMapWrapper<EdgeFlow, NodeFlow> FlowMap; 
+  typedef stGW::EdgeMapWrapper<EdgeCap, NodeCap> CapMap; 
+  typedef stGW::EdgeMapWrapper<EdgeFlow, NodeFlow> FlowMap; 
   CapMap cm(ge1, gn1);
   FlowMap fm(gef, gnf);
 
   //Timer ts;
+  cout << "max bipartite matching with stGraphWrapper..." << endl;
   ts.reset();
   //stGW::EdgeMap<int> flow(stgw);
@@ -120 +125 @@
 //  while (max_flow_test.augmentOnBlockingFlow1<MutableGraph>()) {
 //  while (max_flow_test.augmentOnBlockingFlow2()) {
-//   std::cout << max_flow_test.flowValue() << std::endl;
+//   cout << max_flow_test.flowValue() << endl;
 //  }
-  std::cout << "max flow value: " << max_flow_test1.flowValue() << std::endl;
-  std::cout << "elapsed time: " << ts << std::endl;
+  cout << "matching value: " << max_flow_test1.flowValue() << endl;
+  cout << "elapsed time: " << ts << endl;
 //   FOR_EACH_LOC(Graph::EdgeIt, e, g) { 
-//     if (gef[e]) std::cout << e << std::endl; 
+//     if (gef[e]) cout << e << endl; 
 //   }
-  std::cout << std::endl;
+  cout << endl;
 
+  cout << "max bipartite matching with stGraphWrapper..." << endl;
   ts.reset();
   FOR_EACH_LOC(Graph::EdgeIt, e, g) gef.set(e, 0); 
@@ -137 +143 @@
   matching_test.run();
 
-  std::cout << "max flow value: " << matching_test.matchingValue() << std::endl;
-  std::cout << "elapsed time: " << ts << std::endl;
+  cout << "matching value: " << matching_test.matchingValue() << endl;
+  cout << "elapsed time: " << ts << endl;
 //   FOR_EACH_LOC(Graph::EdgeIt, e, g) { 
-//     if (gef[e]) std::cout << e << std::endl; 
+//     if (gef[e]) cout << e << endl; 
 //   }
-  std::cout << std::endl;
+  cout << endl;
 
+  cout << "max bipartite matching with MaxBipartiteMatching..." << endl;
   ts.reset();
   FOR_EACH_LOC(Graph::EdgeIt, e, g) gef.set(e, 0); 
   //FOR_EACH_LOC(Graph::NodeIt, n, g) gnf.set(n, 0); 
-  MaxBipartiteMatching<Graph, ConstMap<Graph::Edge, int>, ConstMap<Graph::Node, int>, 
-    Graph::EdgeMap<int>, Graph::NodeMap<int> > 
-    matching_test_1(g, ge1, gn1, gef/*, gnf*/);
+  typedef MaxBipartiteMatching<Graph, ConstMap<Graph::Edge, int>, 
+    ConstMap<Graph::Node, int>, 
+    Graph::EdgeMap<int>, Graph::NodeMap<int> > MaxBipartiteMatching;
+  MaxBipartiteMatching matching_test_1(g, ge1, gn1, gef/*, gnf*/);
   matching_test_1.run();
 
-  std::cout << "max flow value: " << matching_test_1.matchingValue() << std::endl;
-  std::cout << "elapsed time: " << ts << std::endl;
+  cout << "matching value: " << matching_test_1.matchingValue() << endl;
+  cout << "elapsed time: " << ts << endl;
 //   FOR_EACH_LOC(Graph::EdgeIt, e, g) { 
-//     if (gef[e]) std::cout << e << std::endl; 
+//     if (gef[e]) cout << e << endl; 
 //   }
-  std::cout << std::endl;
+  cout << endl;
+
+  cout << "testing optimality with MaxBipartiteMatching..." << endl;
+  ts.reset();
+  matching_test_1.run(MaxBipartiteMatching::GEN_MATCHING);
+  cout << "matching value: " << matching_test_1.matchingValue() << endl;
+  cout << "elapsed time: " << ts << endl;
+
+  cout << "testing optimality with MaxBipartiteMatching..." << endl;
+  ts.reset();
+  matching_test_1.run(MaxBipartiteMatching::GEN_MATCHING_WITH_GOOD_NODE_FLOW);
+  cout << "matching value: " << matching_test_1.matchingValue() << endl;
+  cout << "elapsed time: " << ts << endl;
 
   return 0;