Exemplos de getMIPRelativeGap em C++ (Cpp)

Exemplo n.º 1

Arquivo: startEndModel.cpp Projeto: sims2B/Expe_these

ILOINCUMBENTCALLBACK2(getFirstSolInfo, IloInt&, cpt, IloNum, startTime){
  if (cpt <1){
    std::cout << "Sol n°" << cpt+1 << " obj: \t" << getObjValue() << std::endl;
    std::cout << "Sol n°" << cpt+1 << " time: \t" << getCplexTime()-startTime << std::endl;
    std::cout << "Sol n°" << cpt+1 << " gap: \t" << getMIPRelativeGap() << std::endl;
    cpt=cpt+1;
  }    
}

Exemplo n.º 2

Arquivo: ilomipex4.cpp Projeto: andreasmattas/testcode

ILOMIPINFOCALLBACK5(timeLimitCallback,
                    IloCplex, cplex,
                    IloBool,  aborted,
                    IloNum,   timeStart,
                    IloNum,   timeLimit,
                    IloNum,   acceptableGap)
{
   if ( !aborted  &&  hasIncumbent() ) {
      IloNum gap = 100.0 * getMIPRelativeGap();
      IloNum timeUsed = cplex.getCplexTime() - timeStart;
      if ( timeUsed > 1 )
         getEnv().out() << timeUsed << endl;
      if ( timeUsed > timeLimit && gap < acceptableGap ) {
         getEnv().out() << endl
                        << "Good enough solution at "
                        << timeUsed << " sec., gap = "
                        << gap << "%, quitting." << endl;
         aborted = IloTrue;
         abort();
      }
   }
}