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