gainfo.h

遗传算法vc++语言版源程序,台湾大学编写。

#ifndef _GAINFO_
#define _GAINFO_

#include <vector>
using namespace std;

#include "UOFInfo.h"
#include "UOFSolver.h"

class PopSolution;

//! GA Info class
/*! This class is used for GA solver to display optimization information. */
class GAInfo : public UOFInfo
{
public:
	UOFIdentity("GAInfo class",1);

	//! A constructor that generates a object with initialization.
	/*!
	  \param freq sets the m_updateFreq.
	  \param filename sets the m_fn.
	*/
	GAInfo(size_t freq=1, string filename="Log.txt");

public:

	//! This function updates the recorded data and show current status
	/*!
	  \param src the pointer of the solver.
	*/
	virtual void	Update(UOFSolver *src);

	//! This function display the summary of the optimization result
	/*! This function shows the population size, number of iteration, best, worst, and mean score, the time cost
	, and the optimized parameters.
	*/
	virtual void	PrintInfo();

	//! Get the mean of current scores
	/*! This function returns the mean of current scores of the last updated generation
	*/
	virtual	double	GetMean(){return (m_itr==0)?1.0:m_ScoreMean[m_itr-1];}
	//! Get the worst score among the entire optimization process
	/*! This function returns the worst score among the entire optimization process
	*/
	double			HistoryWorst();
	//! Get the best score among the entire optimization process
	/*! This function returns the best score among the entire optimization process
	*/
	double			HistoryBest();
	//! Tests if the a is better than b
	/*! This function returns true if a is better than b; false if a is not better than b.s
	*/
	bool			Better(double a, double b);
	//! Get the last generation that has improvement
	/*! This function returns the last generation that has improvement.
	*/
	virtual	double	GetLastImprovement(int gen);

public:
	void*			m_CS;				/**< the point of the solver */
	vector<size_t>	m_popSize;			/**< the vector recorded the population size of each generation */
	vector<double>	m_ScoreBest;		/**< the vector recorded the best score of each generation */
	vector<double>	m_ScoreWorst;		/**< the vector recorded the worst score of each generation */
	vector<double>	m_ScoreMean;		/**< the vector recorded the mean of scores of each generation */
	vector<double>	m_ScoreDiversity;	/**< the vector recorded the deviersity of scores of each generation */
	vector<PopSolution*>	m_bestChro;	/**< the vector recorded the best parameter set of each generation */
};

#endif