sharingscaling.h

来自「我自己写的一个用于图编码的遗传算法」· C头文件 代码 · 共 55 行

#ifndef SHARING_SCALING_H_
#define SHARING_SCALING_H_

#include "ScalingScheme.h"
#include "Genome.h"

#include "Comparator/Comparator.h"

class SharingScaling :public ScalingScheme
{
public:
	SharingScaling(Comparator* func, double cut=ScalingScheme::DefSharingCutoff, double a=1.0)
	{ 
		N=0; 
		d=(double*)0; 
		df=func;
		_sigma = cut;
		_alpha = a;
		_minmax = 0; 
	}

	SharingScaling(double cut=ScalingScheme::DefSharingCutoff, double a=1.0)
	{ 
		N=0;
		d=(double*)0;
		//df=0; 
		_sigma = cut;
		_alpha = a;
		_minmax = 0;
	}

	void applyScaling(Population* pop);

	void setDistanceFunction(Comparator* f) { df=f; }
	Comparator* getDistanceFunction() const { return df; }

	double sigma(double);
	double sigma() const { return _sigma; }

	double alpha(double c) { return _alpha = c; }
	double alpha() const { return _alpha; }

	int minimaxi(int i);
	int minimaxi() const { return _minmax; }

private:
	Comparator* df;		// the user-defined distance function
	unsigned int N;			// how many do we have? (n of n-by-n)
	double *d;				// the distances for each genome pair
	double _sigma;				// absolute cutoff from central point
	double _alpha;				// controls the curvature of sharing f
	int _minmax;				// should we minimize or maximize?
};

#endif//SHARING_SCALING_H_