population.h

基本遗传算法在求一个函数表达式的最大值应用！

#ifndef POPULATION
#define POPULATION
//mycodes
#include "chromosome.h"
#include "parameter.h"

extern MyParameter myparameter;

class Population  {
private:
	int        PopSize;             // population size
                                    // information for statistical purposes
    int        Best;                // index of best individual
    double     MaxFit;              // maximum fitness
    double     MinFit;              // minimum fitness
    double     AvgFit;              // average fitness   
protected:
	//
public:
	Chromosome *chromosomes;        // individuals
    int        *MatingPool;         // mating pool

	Population(int popsize = myparameter.popsize );
	Population(Population & pop);
	~Population();

	int    get_popsize(){ return PopSize; }
	int    get_best() { return Best; }
	double get_maxfit(){ return MaxFit; }
	double get_minfit(){ return MinFit; }
	double get_avgfit(){ return AvgFit; }

	void   evaluate(); 
	void   selection();
	void   tournamentSeclection();
};

#endif///:~POPULATION