shiti4_5_1.cpp

为初学者提供的最佳的C++程序设计源程序库

#include<math.h>
class Point
{
public:
	Point(float a=0,float b=0){X=a;Y=b;}
	double Distance(double a,double b);
private:
	 double X,Y;
};
double Point::Distance(double a,double b)
{
	double distance;
	distance=sqrt((X-a)*(X-a)+(Y-b)*(Y-b));
	return distance;
}