selection.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 _SELECTION_H
#define _SELECTION_H

#include "population.hpp"
#include "globalSetup.hpp"
#include "random.hpp"
#include <iostream>

class Selection {
protected:
  const Population *pop;
  void selectionQuickSort(const Population *pop, int *randomArray, int left, int right);
  void swap(int &ii, int &jj);
public:
  Selection(const Population *pop);
  virtual void select(int *matingPool)=0;
  int betterIndividual(Individual *guy1, Individual *guy2);
};

class TournamentSelection: public Selection {
private:
  int tournamentSize;
public:
  TournamentSelection(const int size, const Population *pop);
  void select(int *matingPool);
};

class TournamentSelectionWithReplacement: public Selection {
private:
  int tournamentSize;
public:
  TournamentSelectionWithReplacement(const int size, const Population *pop);
  void select(int *matingPool);
};

class StochasticUniversalSelection: public Selection {
public:
  StochasticUniversalSelection(const Population *pop);
  void select(int *matingPool);
};

class RouletteWheelSelection: public Selection {
public:
  RouletteWheelSelection(const Population *pop);
  void select(int *matingPool);

};

class TruncationSelection: public Selection {
private:
  int selectionPressure;
public:
  TruncationSelection(const int selP, const Population *pop);
  void select(int *matingPool);

};

#endif