Changeset 87:46705346edd4 in lemon-0.x for src/work/marci

Timestamp:

02/17/04 12:24:21 (21 years ago)

Author:

marci

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@114

Message:

mostmar pontosabb erteket ad

File:

• src/work/marci/preflow_demo_jacint.cc (modified) (3 diffs)

src/work/marci/preflow_demo_jacint.cc

@@ -5 +5 @@
 #include <dimacs.hh>
 #include <preflow_push_max_flow.h>
+#include <preflow_push_hl.h>
 #include <time_measure.h>
 
@@ -20 +21 @@
   readDimacsMaxFlow(std::cin, G, s, t, cap);
 
-  std::cout << "preflow demo (JACINT)..." << std::endl;
+  {
+  std::cout << "preflow demo (preflow_push_max_flow by JACINT)..." << std::endl;
   //ListGraph::EdgeMap<int> flow(G); //0 flow
 
@@ -40 +42 @@
   std::cout << "flow value: "<< max_flow_test.maxflow() << std::endl;
   std::cout << "cut value: "<< cut_value << std::endl;
+  }
+
+/*
+    {
+  std::cout << "preflow demo (preflow_push_hl by JACINT)..." << std::endl;
+  //ListGraph::EdgeMap<int> flow(G); //0 flow
+
+  double pre_time=currTime();
+  preflow_push_hl<ListGraph, int> max_flow_test(G, s, t, cap);
+  max_flow_test.run();
+  ListGraph::NodeMap<bool> cut=max_flow_test.mincut();
+  int cut_value=0;
+  for(EachEdgeIt e=G.first<EachEdgeIt>(); e.valid(); ++e) {
+    if (cut.get(G.tail(e)) && !cut.get(G.head(e))) cut_value+=cap.get(e);
+  }
+  double post_time=currTime();
+  //std::cout << "maximum flow: "<< std::endl;
+  //for(EachEdgeIt e=G.first<EachEdgeIt>(); e.valid(); ++e) { 
+  //  std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";
+  //}
+  //std::cout<<std::endl;
+  std::cout << "elapsed time: " << post_time-pre_time << " sec"<< std::endl; 
+  std::cout << "flow value: "<< max_flow_test.maxflow() << std::endl;
+  std::cout << "cut value: "<< cut_value << std::endl;
+  }
+*/
 
   return 0;