diff -r ee5959aa4410 -r c280de819a73 src/work/jacint/max_flow_test.cc --- a/src/work/jacint/max_flow_test.cc Sun Apr 17 18:57:22 2005 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,166 +0,0 @@ -#include - -#include -#include -#include -#include -#include - -using namespace lemon; - -int main(int, char **) { - - typedef ListGraph Graph; - - typedef Graph::Node Node; - typedef Graph::EdgeIt EdgeIt; - - Graph G; - Node s, t; - Graph::EdgeMap cap(G); - readDimacs(std::cin, G, cap, s, t); - Timer ts; - - std::cout << - "\n Running max_flow.h on a graph with " << - G.nodeNum() << " nodes and " << G.edgeNum() << " edges..." - << std::endl< flowstack(G,0); - MaxFlow max_flow_test(G, s, t, cap, flowstack); - ts.reset(); - max_flow_test.run(); - std::cout << "Elapsed time of run() with stl stack: " << std::endl - < flow(G,0); - MaxFlowNoStack max_flow_test_no_stack(G, s, t, cap, flow); - ts.reset(); - max_flow_test_no_stack.run(); - std::cout << "Elapsed time of run() without stack: " << std::endl - < mincut(G); - max_flow_test_no_stack.minMinCut(mincut); - int min_min_cut_value=0; - EdgeIt e; - for(G.first(e); G.valid(e); G.next(e)) { - if (mincut[G.source(e)] && !mincut[G.target(e)]) min_min_cut_value+=cap[e]; - } - - Graph::NodeMap cut(G); - max_flow_test_no_stack.minCut(cut); - int min_cut_value=0; - for(G.first(e); G.valid(e); G.next(e)) { - if (cut[G.source(e)] && !cut[G.target(e)]) - min_cut_value+=cap[e]; - } - - Graph::NodeMap maxcut(G); - max_flow_test_no_stack.maxMinCut(maxcut); - int max_min_cut_value=0; - for(G.first(e); G.valid(e); G.next(e)) { - if (maxcut[G.source(e)] && !maxcut[G.target(e)]) - max_min_cut_value+=cap[e]; - } - - std::cout << "\n Checking the result without stack: " < flow2(G,0); - std::cout << "Calling resetFlow() " << std::endl - << ts << std::endl; - max_flow_test.setFlow(flow2); - ts.reset(); - max_flow_test.preflow(max_flow_test.PRE_FLOW); - std::cout << "Elapsed time of preflow(PRE_FLOW) starting from the zero flow: " << std::endl - << ts << std::endl; - - Graph::NodeMap mincut2(G); - max_flow_test.minMinCut(mincut2); - int min_min_cut_value2=0; - for(G.first(e); G.valid(e); G.next(e)) { - if (mincut2[G.source(e)] && !mincut2[G.target(e)]) min_min_cut_value2+=cap[e]; - } - - Graph::NodeMap cut2(G); - max_flow_test.minCut(cut2); - int min_cut_value2=0; - for(G.first(e); G.valid(e); G.next(e)) { - if (cut2[G.source(e)] && !cut2[G.target(e)]) - min_cut_value2+=cap[e]; - } - - Graph::NodeMap maxcut2(G); - max_flow_test.maxMinCut(maxcut2); - int max_min_cut_value2=0; - for(G.first(e); G.valid(e); G.next(e)) { - if (maxcut2[G.source(e)] && !maxcut2[G.target(e)]) - max_min_cut_value2+=cap[e]; - } - - std::cout << "\n Checking the result: " < max_flow_test3(G, s, t, cap, flow2); - max_flow_test3.run(max_flow_test3.GEN_FLOW); - std::cout << "Calling run(GEN_FLOW) from the max flow found before. " < mincut3(G); - max_flow_test3.minMinCut(mincut3); - int min_min_cut_value3=0; - for(G.first(e); G.valid(e); G.next(e)) { - if (mincut3[G.source(e)] && !mincut3[G.target(e)]) min_min_cut_value3+=cap[e]; - } - - Graph::NodeMap cut3(G); - max_flow_test3.minCut(cut3); - int min_cut_value3=0; - for(G.first(e); G.valid(e); G.next(e)) { - if (cut3[G.source(e)] && !cut3[G.target(e)]) - min_cut_value3+=cap[e]; - } - - Graph::NodeMap maxcut3(G); - max_flow_test3.maxMinCut(maxcut3); - int max_min_cut_value3=0; - for(G.first(e); G.valid(e); G.next(e)) { - if (maxcut3[G.source(e)] && !maxcut3[G.target(e)]) - max_min_cut_value3+=cap[e]; - } - - std::cout << "\n Checking the result: " <