1 | #include <benchmark_tools.h> |
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2 | #include <lemon/circulation.h> |
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3 | #include <lemon/smart_graph.h> |
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4 | #include <lemon/lgf_reader.h> |
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5 | #include <lemon/dimacs.h> |
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6 | #include <lemon/error.h> |
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7 | #include <istream> |
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8 | |
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9 | std::string test_name = "circulation"; |
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10 | |
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11 | using namespace lemon; |
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12 | |
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13 | int testMain(std::istream &input) |
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14 | { |
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15 | typedef int Value; |
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16 | |
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17 | SmartDigraph g; |
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18 | |
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19 | SmartDigraph::ArcMap<Value> lo_cap(g); |
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20 | SmartDigraph::ArcMap<Value> up_cap(g); |
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21 | SmartDigraph::ArcMap<Value> cost(g); |
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22 | SmartDigraph::NodeMap<Value> sup(g); |
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23 | |
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24 | Timer ti; |
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25 | try { |
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26 | readDimacsMin(input, g, lo_cap, up_cap, cost, sup); |
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27 | } catch (FormatError& error) { |
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28 | std::cerr << error.what() << std::endl; |
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29 | return 1; |
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30 | } |
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31 | logTime("fread",ti); |
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32 | |
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33 | Timer tf; |
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34 | ti.restart(); |
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35 | Circulation<SmartDigraph, |
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36 | SmartDigraph::ArcMap<Value>,SmartDigraph::ArcMap<Value>, |
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37 | SmartDigraph::NodeMap<Value> > circ(g,lo_cap,up_cap,sup); |
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38 | logTime("setup",ti); |
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39 | ti.restart(); |
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40 | bool res = circ.run(); |
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41 | logTime("alg",ti); |
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42 | logTime("full",tf); |
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43 | if(res) |
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44 | { |
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45 | std::cerr << "A feasible circulation is found\n"; |
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46 | std::cerr << "Checking...\n"; |
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47 | ti.restart(); |
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48 | bool res2 = circ.checkFlow(); |
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49 | logTime("check",ti); |
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50 | if(res2) |
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51 | std::cerr << "Success!\n"; |
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52 | else |
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53 | std::cerr << "Oops!!!!\n"; |
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54 | } |
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55 | else |
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56 | { |
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57 | std::cerr << "A dual solution is found\n"; |
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58 | std::cerr << "Checking...\n"; |
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59 | ti.restart(); |
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60 | bool res2 = circ.checkBarrier(); |
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61 | logTime("check",ti); |
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62 | if(res2) |
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63 | std::cerr << "Success!\n"; |
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64 | else |
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65 | std::cerr << "Dual-Oops!!!!\n"; |
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66 | |
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67 | } |
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68 | } |
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69 | |
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