fairsacontrol.cpp

来自「随机需求VRP（VRPSD）」· C++ 代码 · 共 80 行

#include "fairSAControl.h"


bool 
fairSAControl::setSAOrOptParameters(){
  //---------- SIMULATED ANNEALING IN LOCAL SEARCH -----------------    
  int sa = 11;
  div_t r;
  int rateTempLengthInd, iniTempFactorInd, idle_length_reheatingInd;
  if (sa >11 || sa <0)
    exit(1);

  alfa = 0.98;

  if (sa == 11)
    {
      initTempFactor = 0;
      rateTempLength = INT_MAX;
      idle_length_reheating = INT_MAX;
    }
  else 
    {
      int val=sa;
  
      r = div(val,2);    
      rateTempLengthInd = r.rem + 1;
      switch (rateTempLengthInd) {
      case 1:
	rateTempLength = 1;
	break;
      case 2:
	rateTempLength = 10;
	break;
      default:
	(*os)<<"Error in neigh. configuration!"<<endl;
	exit(1);
      }
    
      r = div(r.quot,2);    
      iniTempFactorInd = r.rem + 1;
      switch (iniTempFactorInd) {
      case 1:
	initTempFactor = 0.01;
	break;
      case 2:
	initTempFactor = 0.05;
	break;
      default:
	(*os)<<"Error in TempScvInd configuration!"<<endl;
	exit(1);
      }
    
      idle_length_reheatingInd = r.quot + 1;
      switch (idle_length_reheatingInd) {
      case 1:
	idle_length_reheating = 5;
	break;
      case 2:
	idle_length_reheating = 20;
	break;
      case 3:
	idle_length_reheating = 40;
	break;
      default:
	(*os)<<"Error in rejectedLimScv configuration!"<<endl;
	exit(1);
      }
    }
//    (*os)<<"rateNeighbourhood "<<rateTempLength<<"\n";
//    (*os)<<"iniTempFactorScv "<<initTempFactor<<"\n";
//    (*os)<<"alfa "<<alfa<<"\n";
      
//    (*os)<<"rejectedLimScv "<<idle_length_reheating<<"\n";
  return true;
}