ga.hpp

遗传算法程序最新版

/***************************************************************
/* Single & Multi-Objective Real-Coded Genetic Algorithms Code */
/* Author: Kumara Sastry                                       */
/* Illinois Genetic Algorithms Laboratory (IlliGAL)            */
/* Deparment of General Engineering                            */
/* University of Illinois at Urbana-Champaign                  */
/* 104 S. Mathews Ave, Urbana, IL 61801                        */
/***************************************************************/

#ifndef _GA_H
#define _GA_H

#include <iostream>
#include <fstream>

#include "globalSetup.hpp"
#include "population.hpp"
#include "random.hpp"

extern GlobalSetup *globalSetup;
extern Random myRandom;

class GA 
{
  int genID;
  long noOfGlobalEvals;
  long noOfLocalEvals;
  Population *population;
  bool stoppingCriteria(void);
  int successiveNoChangeInBestFitness;
  int successiveNoChangeInBestObjective;
  int successiveNoChangeInNoOfFronts;
  int successiveNoChangeInAvgObjective;
  int successiveNoChangeInAvgFitness;
  int successiveNoChangeInFitnessVar;
 public:
  GA(void);
  ~GA(void);

  void reinitialize(void);
  bool generate();
  bool nsgaGenerate();
  Individual getBestGuy() {return *(population->bestInd);}
  void freeze(int locus) {population->freeze(locus);}
  void flood(int locus) {population->flood(locus);}
  void gaOutput(std::ostream &out) {out << *population;}

  Population *getPopulation(void) {return population;}

  inline int getGenID (void) const {return genID;}
  inline long getNoOfGlobalEvals(void) const {return noOfGlobalEvals;}
  inline long getNoOfLocalEvals(void) const {return noOfLocalEvals;}
  inline int getSuccessiveNoChangeInBestFitness(void) const {return successiveNoChangeInBestFitness;}
  inline int getSuccessiveNoChangeInBestObjective(void) const {return successiveNoChangeInBestObjective;}
  inline int getSuccessiveNoChangeInNoOfFronts(void) const {return successiveNoChangeInNoOfFronts;}
  inline int getSuccessiveNoChangeInAvgObjective(void) const {return successiveNoChangeInAvgObjective;}
  inline int getSuccessiveNoChangeInAvgFitness(void) const {return successiveNoChangeInAvgFitness;}
  inline int getSuccessiveNoChangeInFitnessVar(void) const {return successiveNoChangeInFitnessVar;}

  inline void setGenID (int iValue) {genID = iValue;}
  inline void setNoOfGlobalEvals(long lValue) {noOfGlobalEvals = lValue;}
  inline void setNoOfLocalEvals(long lValue) {noOfLocalEvals = lValue;}
  inline void setSuccessiveNoChangeInBestFitness(int iValue) {successiveNoChangeInBestFitness = iValue;}
  inline void setSuccessiveNoChangeInBestObjective(int iValue) {successiveNoChangeInBestObjective = iValue;}
  inline void setSuccessiveNoChangeInNoOfFronts(int iValue) {successiveNoChangeInNoOfFronts = iValue;}
  inline void setSuccessiveNoChangeInAvgObjective(int iValue) {successiveNoChangeInAvgObjective = iValue;}
  inline void setSuccessiveNoChangeInAvgFitness(int iValue) {successiveNoChangeInAvgFitness = iValue;}
  inline void setSuccessiveNoChangeInFitnessVar(int iValue) {successiveNoChangeInFitnessVar = iValue;}
};

#endif