h8.h

刮大风歌但范甘迪给对方 但范甘迪分给对方国的国的风格

#ifndef h8_h_
#define h8_h_
#include<iostream>
#include<cmath>
using namespace std;


class Vector
{
private:
	double x;			//坐标x,y
	double y;
	double direction;		//方向
	double length;			//大小
public:
	Vector(double x_ = 0,double y_ = 0);
	Vector(const Vector& temp);
	~Vector();
	void set_length();			//获得长度
	void set_dirextion();		//获得方向
	Vector operator+(const Vector& temp)const;		//重载函数
	Vector operator-(const Vector& temp)const;
	Vector operator*(const Vector& temp)const;
	Vector& operator=(const Vector& temp);
	Vector& operator--();
	Vector& operator++();
	Vector operator++(int);
	Vector operator--(int);
	friend double operator*(double i,Vector& temp);
	friend ostream& operator<<(ostream& out,Vector& temp); 
};


#endif