第九周项目一

/*
* Copyright (c)2013, 烟台大学计算机学院学生
* All rightsreserved.
* 文件名称： array.cpp
* 作    者：   李中意
* 完成日期：2014  年 4月 22 日
* 版本号： v1.0
* 输入描述：无
*/
#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);
    void display();
    friend ostream&operator<<(ostream&,Complex&);
    friend istream&operator>>(istream&,Complex&);
private:
    double real;
    double imag;
};
//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)
{
    return Complex(real*c2.real,imag*c2.imag);
}
Complex Complex::operator/(Complex &c2)
{
    return Complex(real/c2.real,imag/c2.imag);
}
ostream&operator<<(ostream&output,Complex&c)
{
    output<<"("<<c.real<<"+"<<c.imag<<"i)";
    return output;
}
istream&operator>>(istream&input,Complex&c)
{
cout<<"请输入一个复数的实部和虚部:";
input>>c.real>>c.imag;
return input;
}
//下面定义用于测试的main()函数
int main()
{
    Complex c1,c2,c3;
    cin>>c1>>c2;
    cout<<"c1="<<c1<<endl;
    cout<<"c2="<<c2<<endl;
    c3=c1+c2;
    cout<<"c1+c2="<<c3<<endl;
    c3=c1-c2;
    cout<<"c1-c2="<<c3<<endl;
    c3=c1*c2;
    cout<<"c1*c2="<<c3<<endl;
    c3=c1/c2;
    cout<<"c1/c2="<<c3<<endl;
    return 0;
}