1.1 --- a/src/work/marci/preflow_demo_boost.cc Sun Apr 17 18:57:22 2005 +0000
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,57 +0,0 @@
1.4 -#include <iostream>
1.5 -#include <string>
1.6 -
1.7 -#include <boost/config.hpp>
1.8 -#include <boost/graph/push_relabel_max_flow.hpp>
1.9 -#include <boost/graph/adjacency_list.hpp>
1.10 -#include <boost/graph/read_dimacs.hpp>
1.11 -#include <boost/graph/graph_utility.hpp>
1.12 -
1.13 -#include <time_measure.h>
1.14 -
1.15 -// Use a DIMACS network flow file as stdin.
1.16 -// max_flow < max_flow.dat
1.17 -int main()
1.18 -{
1.19 - using namespace boost;
1.20 -
1.21 - typedef adjacency_list_traits<vecS, vecS, directedS> Traits;
1.22 - typedef adjacency_list<listS, vecS, directedS,
1.23 - property<vertex_name_t, std::string>,
1.24 - property<edge_capacity_t, long,
1.25 - property<edge_residual_capacity_t, long,
1.26 - property<edge_reverse_t, Traits::edge_descriptor> > >
1.27 - > Graph;
1.28 -
1.29 - Graph g;
1.30 -
1.31 - property_map<Graph, edge_capacity_t>::type
1.32 - capacity = get(edge_capacity, g);
1.33 - property_map<Graph, edge_reverse_t>::type
1.34 - rev = get(edge_reverse, g);
1.35 - property_map<Graph, edge_residual_capacity_t>::type
1.36 - residual_capacity = get(edge_residual_capacity, g);
1.37 -
1.38 - Traits::vertex_descriptor s, t;
1.39 - read_dimacs_max_flow(g, capacity, rev, s, t);
1.40 -
1.41 - std::cout << "preflow demo (BOOST)..." << endl;
1.42 - double pre_time=currTime();
1.43 - long flow = push_relabel_max_flow(g, s, t);
1.44 - double post_time=currTime();
1.45 -
1.46 - //std::cout << "maximum flow: " << std::endl;
1.47 - //graph_traits<Graph>::vertex_iterator u_iter, u_end;
1.48 - //graph_traits<Graph>::out_edge_iterator ei, e_end;
1.49 - //for (tie(u_iter, u_end) = vertices(g); u_iter != u_end; ++u_iter)
1.50 - // for (tie(ei, e_end) = out_edges(*u_iter, g); ei != e_end; ++ei)
1.51 - // if (capacity[*ei] > 0)
1.52 - // std::cout << "f " << *u_iter << " " << target(*ei, g) << " "
1.53 - // << (capacity[*ei] - residual_capacity[*ei]) << std::endl;
1.54 - //
1.55 - //std::cout << std::endl;
1.56 - std::cout << "elapsed time: " << post_time-pre_time << " sec"<< std::endl;
1.57 - std::cout << "flow value: " << flow << std::endl;
1.58 -
1.59 - return 0;
1.60 -}