tools/dimacs-solver.cc
branch1.1
changeset 1172 c18ed26f016c
parent 1081 f1398882a928
parent 1167 c5990f454032
equal deleted inserted replaced
15:921f94d9cf21 17:9f29815d4f34
   115     else
   115     else
   116       std::cerr << "LEQ supply contraints are used for NetworkSimplex\n\n";
   116       std::cerr << "LEQ supply contraints are used for NetworkSimplex\n\n";
   117   }
   117   }
   118   if (report) std::cerr << "Read the file: " << ti << '\n';
   118   if (report) std::cerr << "Read the file: " << ti << '\n';
   119 
   119 
   120   ti.restart();
   120   typedef NetworkSimplex<Digraph, Value> MCF;
   121   NetworkSimplex<Digraph, Value> ns(g);
   121   ti.restart();
       
   122   MCF ns(g);
   122   ns.lowerMap(lower).upperMap(cap).costMap(cost).supplyMap(sup);
   123   ns.lowerMap(lower).upperMap(cap).costMap(cost).supplyMap(sup);
   123   if (sum_sup > 0) ns.supplyType(ns.LEQ);
   124   if (sum_sup > 0) ns.supplyType(ns.LEQ);
   124   if (report) std::cerr << "Setup NetworkSimplex class: " << ti << '\n';
   125   if (report) std::cerr << "Setup NetworkSimplex class: " << ti << '\n';
   125   ti.restart();
   126   ti.restart();
   126   bool res = ns.run();
   127   typename MCF::ProblemType res = ns.run();
   127   if (report) {
   128   if (report) {
   128     std::cerr << "Run NetworkSimplex: " << ti << "\n\n";
   129     std::cerr << "Run NetworkSimplex: " << ti << "\n\n";
   129     std::cerr << "Feasible flow: " << (res ? "found" : "not found") << '\n';
   130     std::cerr << "Feasible flow: " << (res == MCF::OPTIMAL ? "found" : "not found") << '\n';
   130     if (res) std::cerr << "Min flow cost: " << ns.totalCost() << '\n';
   131     if (res) std::cerr << "Min flow cost: " << ns.totalCost() << '\n';
   131   }
   132   }
   132 }
   133 }
   133 
   134 
   134 void solve_mat(ArgParser &ap, std::istream &is, std::ostream &,
   135 void solve_mat(ArgParser &ap, std::istream &is, std::ostream &,
   184       break;
   185       break;
   185     }
   186     }
   186 }
   187 }
   187 
   188 
   188 int main(int argc, const char *argv[]) {
   189 int main(int argc, const char *argv[]) {
   189   typedef SmartDigraph Digraph;
       
   190 
       
   191   typedef Digraph::Arc Arc;
       
   192 
   190 
   193   std::string inputName;
   191   std::string inputName;
   194   std::string outputName;
   192   std::string outputName;
   195 
   193 
   196   ArgParser ap(argc, argv);
   194   ArgParser ap(argc, argv);