Complex类运算符的重载

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上机内容：对运算符重载的练习

上机目的：学习

/** 程序的版权和版本声明部分* Copyright (c)2013, 烟台大学计算机学院学生* All rightsreserved.* 文件名称： object.cpp* 作者：刘杰* 完成日期： 2013年 5月 7 日* 版本号： v1.0* 输入描述：无* 问题描述：* 程序输出：*/#include <iostream>using namespace std;class Complex{public:Complex(){real=0;imag=0;}Complex(double r,double i){real=r;imag=i;}Complex operator+(Complex &c2);Complex operator-(Complex &c2);Complex operator*(Complex &c2);Complex operator/(Complex &c2);friend ostream& operator<<(ostream&,Complex&);friend istream& operator>>(istream&,Complex&); private:double real;double imag;};istream& operator>>(istream& in,Complex& c){    in>>c.real>>c.imag;    return in;}ostream& operator<<(ostream& out,Complex& c){    out<<"("<<c.real<<","<<c.imag<<"i"<<")"<<endl;    return out ;}//下面定义成员函数Complex Complex::operator +(Complex &c2){return Complex(real+c2.real,imag+c2.imag);}Complex Complex::operator -(Complex &c2){return Complex(real-c2.real,imag-c2.imag);}Complex Complex::operator *(Complex &c2){Complex c;c.real=real*c2.real-c2.imag*imag;c.imag=real*c2.imag+imag*c2.real;return c;}Complex Complex::operator /(Complex &c2){Complex c;double d;d=c2.imag*c2.imag+c2.real*c2.real;c.real=(real*c2.real+imag*c2.imag)/d;c.imag=(imag*c2.real-real*c2.imag)/d;return c;}int main(){Complex c1,c2,c3;cin>>c1>>c2;cout<<"c1=";cout<<c1;cout<<"c2=";cout<<c2;c3=c1+c2;cout<<"c1+c2=";cout<<c3;c3=c1-c2;cout<<"c1-c2=";cout<<c3;c3=c1*c2;cout<<"c1*c2=";cout<<c3;c3=c1/c2;cout<<"c1/c2=";cout<<c3;return 0;}

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