C++运算符重载

/*
 * operator_overload.cpp
 *
 *  Created on: 2019年7月13日
 *      Author: daoqi
 */

#include <iostream>
#include <typeinfo>
using namespace std;

class classFushu
{
public:
	classFushu(){shibu=xubu=0;}
	classFushu(double r, double i)
	{
		shibu = r;
		xubu = i;
	}
	classFushu operator +(const classFushu &c);
	classFushu operator -(const classFushu &c);
	classFushu operator *(const classFushu &c);
	classFushu operator /(const classFushu &c);
	friend void print(const classFushu &c);
private:
	double shibu,xubu;
};

inline classFushu classFushu::operator +(const classFushu &c)
{
	return classFushu(shibu + c.shibu, xubu + c.xubu);
}

inline classFushu classFushu::operator -(const classFushu &c)
{
	return classFushu(shibu - c.shibu, xubu - c.xubu);
}

inline classFushu classFushu::operator *(const classFushu &c)
{
	return classFushu(shibu * c.shibu - xubu*c.xubu, shibu * c.xubu + xubu * c.shibu);
}

inline classFushu classFushu::operator /(const classFushu &c)
{
	return classFushu((shibu * c.shibu + xubu * c.xubu)/(c.shibu * c.shibu + c.xubu * c.xubu), (xubu * c.xubu - shibu * c.xubu) /
			(c.shibu * c.shibu) + c.xubu * c.xubu);
}


void print(const classFushu &c)
{
	if(c.xubu < 0)
	{
		cout<<c.shibu<<c.xubu<<'i';
	}
	else
	{
		cout<<c.shibu<<'+'<< c.xubu<<'i';
	}
}

int main()
{
	classFushu c1(1.0, 2.0), c2(3.0, 4.0), c3;
	c3 = c1 + c2;
	cout<<"\nc1+c2=";
	print(c3);
	c3 = c1 - c2;
	cout<<"\nc1-c2=";
	print(c3);
	c3 = c1 * c2;
	cout<<"\nc1*c2=";
	print(c3);
	c3 = c1 / c2;
	cout<<"\nc1 / c2=";
	print(c3);
}