第八周项目1 实现复数类中的运算符重载

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/**Copyright (c) 2014,烟台大学计算机学院void change(int a[8][8]);*All rights reserved.*文件名称:main.cpp*作者:苏强*完成日期:2015年4月22日*版本号:v1.0**问题描述:利用运算符重载计算复数的计算*/#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;};//下面定义成员函数Complex Complex::operator+(const Complex &c2){    return Complex (this->real+c2.real,this->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,real*c2.imag+imag*c2.real);}Complex Complex::operator/(const Complex &c2){    return Complex (real*c2.real-imag*(-c2.imag)/(c2.real*c2.real+c2.imag*c2.imag),real*(-c2.imag)+imag*c2.real/(c2.real*c2.real+c2.imag*c2.imag));}void Complex::display(){    if(imag>0)    cout<<real<<"+"<<imag<<"i"<<endl;    else    cout<<real<<imag<<"i"<<endl;}//下面定义用于测试的main()函数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;}
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