curvediffer.cpp

遗传算法vc++语言版源程序,台湾大学编写。

#include "CurveDiffer.h"
#include <cmath>

double CurveDiffer::GetError(vector<XYTuple> &s1, vector<XYTuple> &s2, int method)
{
	double errsum = 0.0;

	for(size_t a=0;a<s1.size();a++)
	{
		int eindex = IfEqual(s1[a].x,s2);
		if(eindex != -1)
		{	
			if(method == 0) // difference
			{
				double err = fabs(s1[a].y - s2[eindex].y);
				errsum += err;
			}
			else if(method == 1) // RMS
			{
				double err = s1[a].y - s2[eindex].y;
				double ratio = err / s2[eindex].y;
				errsum += (ratio*ratio);
			}
		}
		else
		{
			int ifcontain = IfContain(s1[a].x, s2);
			if(ifcontain == -1) // s2い┮Τ