【C++】运算符重载

// P8.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <iostream>
using namespace std;

class complex{
	float real;			//实部
	float image;		//虚部
public:
	//重载运算符"+"的原型
	complex operator+(complex right);
	//重载运算符"="的定义
	complex operator=(complex right);

	void set_complex(float re, float im);
	void put_complex(char *name);
};

//重载运算符"+"的原型
complex complex::operator+(complex right){
	complex temp;
	temp.real = this->real + right.real;
	temp.image = image + right.real;
	return temp;
}

//重载运算符"="的定义
complex complex::operator=(complex right){
	real = right.real;
	image = right.image;
	return *this;
}

//定义set_complex()成员函数
void complex::set_complex(float re, float im)
{
	real = re;
	image = im;
}

void complex::put_complex(char *name){
	cout << name << ":  ";
	cout << real << ' ';
	if (image >= 0.0) cout << '+';
	cout << image << "i\n";
}

int _tmain(int argc, _TCHAR* argv[])
{
	complex A, B, C;		//创建复数对象
	A.set_complex(1.2, 0.8);
	B.set_complex(0.8, 1.2);
	//显示复数数据
	A.put_complex("A");
	B.put_complex("B");

	C = A + B;
	C.put_complex("C = A + B");
	return 0;
}


//A:  1.2 +0.8i
//B:  0.8 +1.2i
//C = A + B:  2 +1.6i