location.cpp

设计一个表示直角坐标系上点的位置的Location类

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

Location::Location(double x=0,double y=0)
{
	i=x;
	j=y;
}
double Location::Distance( Location L)
{
	double X,Y;
	X=i-L.j;
	Y=i-L.j;
	return sqrt(X*X+Y*Y);
}