[9] | 1 | #include <lemon/circulation.h> |
---|
| 2 | #include <lemon/smart_graph.h> |
---|
| 3 | #include <lemon/lgf_reader.h> |
---|
| 4 | #include <lemon/dimacs.h> |
---|
| 5 | #include <lemon/time_measure.h> |
---|
| 6 | #include <lemon/error.h> |
---|
| 7 | |
---|
| 8 | const char test_name[] = "circulation"; |
---|
| 9 | |
---|
| 10 | using namespace lemon; |
---|
| 11 | |
---|
| 12 | int main(int argc, char **argv) |
---|
| 13 | { |
---|
| 14 | if(argc!=2) exit(1); |
---|
| 15 | |
---|
| 16 | typedef int Value; |
---|
| 17 | |
---|
| 18 | SmartDigraph g; |
---|
| 19 | |
---|
| 20 | SmartDigraph::ArcMap<Value> lo_cap(g); |
---|
| 21 | SmartDigraph::ArcMap<Value> up_cap(g); |
---|
| 22 | SmartDigraph::ArcMap<Value> cost(g); |
---|
| 23 | SmartDigraph::NodeMap<Value> sup(g); |
---|
| 24 | |
---|
| 25 | Timer ti; |
---|
| 26 | try { |
---|
| 27 | std::ifstream input; |
---|
| 28 | input.open(argv[1]); |
---|
| 29 | readDimacsMin(input, g, lo_cap, up_cap, cost, sup); |
---|
| 30 | } catch (FormatError& error) { |
---|
| 31 | std::cerr << error.what() << std::endl; |
---|
| 32 | return 1; |
---|
| 33 | } |
---|
| 34 | std::cerr << "Read the file: " << ti << '\n'; |
---|
| 35 | ti.restart(); |
---|
| 36 | |
---|
| 37 | Circulation<SmartDigraph, |
---|
| 38 | SmartDigraph::ArcMap<Value>,SmartDigraph::ArcMap<Value>, |
---|
| 39 | SmartDigraph::NodeMap<Value> > circ(g,lo_cap,up_cap,sup); |
---|
| 40 | std::cerr << "Setup Circulation class: " << ti << '\n'; |
---|
| 41 | ti.restart(); |
---|
| 42 | bool res = circ.run(); |
---|
| 43 | if(res) |
---|
| 44 | { |
---|
| 45 | std::cerr << "A feasible circulation is found: " << ti << "\n"; |
---|
| 46 | ti.restart(); |
---|
| 47 | bool res2 = circ.checkFlow(); |
---|
| 48 | std::cerr << "Checked in time " << ti << "\n"; |
---|
| 49 | if(res2) |
---|
| 50 | std::cerr << "Success!\nn"; |
---|
| 51 | else |
---|
| 52 | std::cerr << "Oops!!!!\n\n"; |
---|
| 53 | } |
---|
| 54 | else |
---|
| 55 | { |
---|
| 56 | std::cerr << "A dual solution is found: " << ti << "\n"; |
---|
| 57 | ti.restart(); |
---|
| 58 | bool res2 = circ.checkBarrier(); |
---|
| 59 | std::cerr << "Checked in time " << ti << "\n"; |
---|
| 60 | if(res2) |
---|
| 61 | std::cerr << "Success!\nn"; |
---|
| 62 | else |
---|
| 63 | std::cerr << "Dual-Oops!!!!\n\n"; |
---|
| 64 | |
---|
| 65 | } |
---|
| 66 | } |
---|
| 67 | |
---|