第12周项目1-实现复数类中的运算符重载

/*

*Copyright (c) 2016,烟台大学计算机学院

*All rights reserved.

*文件名称：text.cpp

*作者：陈腾

*完成日期：2016年5月19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+、-、*、/，使之能与复数的加减乘除

输入描述：定义成员函数

输出描述：复数结果

*/

#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&s2)

{

    return Complex(real+s2.real,imag+s2.imag);

}

Complex Complex::operator-(const Complex&s2)

{

   return Complex(real-s2.real,imag-s2.imag);

}

Complex Complex::operator*(const Complex&s2)

{

   return Complex(real*s2.real,imag*s2.imag);

}

Complex Complex::operator/(const Complex&s2)

{

    return Complex(real/s2.real,imag/s2.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;

}