第十一周项目49-实现类中的运算符重载

/*
*Copyright (c) 2015,烟台大学计算机学院
*All rights reserved.
*文件名称：text.cpp
*作者：徐健
*完成日期：2015年5月14日
*版本号：v1.0
*
*问题描述： 请用类的成员函数定义复数类重载运算符+、-、*、/，使之能用于复数的加减乘除
*输入描述： 无
*程序输出： 复数类加减乘除之后的结果
*/
#include<iostream>
using namespace std;
class Complex
{
public:
Complex(){real=0;imag=0;}
Complex(double r,double i){real=r;imag=i;}
Complex operator+(const Complex&c2);
Complex operator-(const Complex&c2);
Complex operator*(const Complex&c2);
Complex operator/(const Complex&c2);
void display();
private:
double real;
double imag;
};
Complex Complex::operator+(const Complex&c2)
{
return Complex(real+c2.real,imag+c2.imag);
}
Complex Complex::operator-(const Complex&c2)
{
return Complex(real-c2.real,imag-c2.imag);
}
Complex Complex::operator*(const Complex&c2)
{
return Complex(real*c2.real,imag*c2.imag);
}
Complex Complex::operator/(const Complex&c2)
{
return Complex(real/c2.real,imag/c2.imag);
}
void Complex:: display()
{
cout<<"("<<real<<","<<imag<<")"<<endl;
}
int main()
{
Complex c1(3,4),c2(5,-10),c3;
cout<<"c1=";
c1.display();
cout<<"c2=";
c2.display();
c3=c1+c2;
cout<<"c1+c2=";
c3.display();
c3=c1-c2;
cout<<"c1-c2=";
c3.display();
c3=c1*c2;
cout<<"c1*c2=";
c3.display();
c3=c1/c2;
cout<<"c1/c2=";
c3.display();
return 0;
}