Example #1
0
int chooseVar6(const Problem<type,type2>& P,type epsilon){
  type2 max=std::numeric_limits<type2>::min();
  int j=-1;
  int i=0;
  while (i<P.nbTask){
    if (P.A[i].Fi(P.bmax(i))*(P.d(i)-P.r(i))-P.W(i)>=max && P.smax(i) - P.r(i)>epsilon) {
      j=i;
      max=P.A[i].Fi(P.bmax(i))*(P.d(i)-P.r(i))-P.W(i);
    }
    if (P.A[i].Fi(P.bmax(i))*(P.d(i)-P.r(i))-P.W(i)>max && P.d(i)-P.emin(i)>epsilon){ 
      j=i+P.nbTask;
      max=P.A[i].Fi(P.bmax(i))*(P.d(i)-P.r(i))-P.W(i);
    }
    ++i;
  }
  return j;
}
Example #2
0
int createConstraintBmax(const Problem<double>&P, IloModel& model, 
			 IloNumVarArray& t, IloNumVarMatrix& b){
  for (int i=0;i<P.nbTask;i++){
    for (int e=0;e<2*P.nbTask-1;e++)
      model.add((t[e+1]-t[e])*P.bmax(i) >= b[i][e]);
  }
  return 0;
}
Example #3
0
int createVars(const Problem<double>& P, IloEnv& env, IloNumVarMatrix& x, IloNumVarMatrix& y, IloNumVarMatrix& b, IloNumVarMatrix& w){
  try{
    int i;
    const int nbTask=P.nbTask;
    const int E= 2*nbTask;
    
    for (i=0;i<nbTask;i++){
      x[i]=IloNumVarArray(env, E, 0, 1, ILOINT);
      y[i]=IloNumVarArray(env, E, 0, 1, ILOINT);
      b[i]=IloNumVarArray(env, E-1, 0, ((P.d(i)-P.r(i))*P.bmax(i)), ILOFLOAT);
      w[i]=IloNumVarArray(env, E-1, 0, (P.d(i)-P.r(i))*P.A[i].Fi(P.bmax(i)), ILOFLOAT);
  }  
  return 0;
}
catch (IloException &e){
  std::cout << "iloexception in create vars" <<e <<std::endl;
  e.end();
  return  1;
 }
}
Example #4
0
int createConstraintNonConsump(const Problem<double>& P, IloModel& model, IloEnv& env,
			       IloNumVarMatrix& x, IloNumVarMatrix& y , IloNumVarMatrix& b, int bigM){
  for (int i=0;i<P.nbTask;i++){
    for (int e=0;e<2*P.nbTask-1;e++){	
      IloExpr expr(env);
      for (int f=0;f<=e;f++){
	expr+= x[i][f];
	expr-= y[i][f];
      }
      if (!bigM)
	expr*=P.bmax(i)*(P.d(i)-P.r(i));
      else 
	expr*=M;
      model.add(expr >=b[i][e]);
      expr.end();
    }
  }
  return 0;
}
Example #5
0
int createConstraintMinDur(const Problem<double>& P, IloModel& model, IloNumVarArray& t, IloNumVarMatrix& x, IloNumVarMatrix& y){
  const int E=2*P.nbTask;
  for (int i=0;i<P.nbTask;i++){
    for (int e=1;e<E-1;e++) {
      for (int f=e;f<E;f++)
	model.add(t[f] >= t[e] + x[i][e] * (P.A[i].emin-P.A[i].ri) - (1-y[i][f])*(P.W(i)/P.A[i].Fi(P.bmax(i))));
    }
  }
  return 0;    
}