Changeset 476:cfe550761745 in lemon-0.x for src/work/marci/max_flow_demo.cc

Timestamp:

04/29/04 18:25:03 (20 years ago)

Author:

marci

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@633

Message:

preflow, maxflow

File:

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

src/work/marci/max_flow_demo.cc

@@ -6 +6 @@
 #include <smart_graph.h>
 #include <dimacs.h>
-//#include <edmonds_karp.h>
 #include <time_measure.h>
 //#include <graph_wrapper.h>
@@ -71 +70 @@
   Timer ts;
   Graph::EdgeMap<int> flow(G); //0 flow
-  Preflow<Graph, int, Graph::EdgeMap<int>, Graph::EdgeMap<int> > 
-    pre_flow_test(G, s, t, cap, flow/*, true*/);
-  //  Preflow<Graph, int, Graph::EdgeMap<int>, Graph::EdgeMap<int> > 
-  //  pre_flow_ize(G, s, t, cap, flow/*, false*/);
-//   PreflowRes<Graph, int, Graph::EdgeMap<int>, Graph::EdgeMap<int> > 
-//     pre_flow_res(G, s, t, cap, flow/*, true*/);
-  //MaxFlow<Graph, int, Graph::EdgeMap<int>, Graph::EdgeMap<int> > 
-  //  max_flow_test(G, s, t, cap, flow);
+  MaxFlow<Graph, int, Graph::EdgeMap<int>, Graph::EdgeMap<int> > 
+    max_flow_test(G, s, t, cap, flow);
 
   {
     std::cout << "preflow ..." << std::endl;
     ts.reset();
-    pre_flow_test.run();
+    max_flow_test.run();
     std::cout << "elapsed time: " << ts << std::endl;
-    std::cout << "flow value: "<< pre_flow_test.flowValue() << std::endl;
+    std::cout << "flow value: "<< max_flow_test.flowValue() << std::endl;
   }
 
@@ -92 +85 @@
     FOR_EACH_LOC(Graph::EdgeIt, e, G) flow.set(e, 0);
     ts.reset();
-    pre_flow_test.preflow(Preflow<Graph, int, Graph::EdgeMap<int>, Graph::EdgeMap<int> >::GEN_FLOW);
+    max_flow_test.preflow(MaxFlow<Graph, int, Graph::EdgeMap<int>, Graph::EdgeMap<int> >::GEN_FLOW);
     std::cout << "elapsed time: " << ts << std::endl;
-    std::cout << "flow value: "<< pre_flow_test.flowValue() << std::endl;
+    std::cout << "flow value: "<< max_flow_test.flowValue() << std::endl;
   }
 
@@ -111 +104 @@
     ts.reset();
     int i=0;
-    while (pre_flow_test.augmentOnBlockingFlow<MutableGraph>()) { ++i; }
+    while (max_flow_test.augmentOnBlockingFlow<MutableGraph>()) { ++i; }
     std::cout << "elapsed time: " << ts << std::endl;
     std::cout << "number of augmentation phases: " << i << std::endl; 
-    std::cout << "flow value: "<< pre_flow_test.flowValue() << std::endl;
+    std::cout << "flow value: "<< max_flow_test.flowValue() << std::endl;
   }
 
@@ -133 +126 @@
     ts.reset();
     int i=0;
-    while (pre_flow_test.augmentOnBlockingFlow2()) { ++i; }
+    while (max_flow_test.augmentOnBlockingFlow2()) { ++i; }
     std::cout << "elapsed time: " << ts << std::endl;
     std::cout << "number of augmentation phases: " << i << std::endl; 
-    std::cout << "flow value: "<< pre_flow_test.flowValue() << std::endl;
+    std::cout << "flow value: "<< max_flow_test.flowValue() << std::endl;
   }
 
@@ -144 +137 @@
     ts.reset();
     int i=0;
-    while (pre_flow_test.augmentOnShortestPath()) { ++i; }
+    while (max_flow_test.augmentOnShortestPath()) { ++i; }
     std::cout << "elapsed time: " << ts << std::endl;
     std::cout << "number of augmentation phases: " << i << std::endl; 
-    std::cout << "flow value: "<< pre_flow_test.flowValue() << std::endl;
+    std::cout << "flow value: "<< max_flow_test.flowValue() << std::endl;
   }