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:test.cpp

*作者: 武聪

*完成日期:2016年5月31日

*版本号:v1.0

*

*问题描述: 请用类的成员函数，定义复数类重载类+，-，×，/，使之能用于复数的加减乘除

*输入描述:

*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+(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)

{

    Complex c;

    c.real=real+c2.real;

    c.imag=imag+c2.imag;

    return c;

}

Complex Complex::operator-(const Complex &c2)

{

    Complex c;

     c.real=real-c2.real;

    c.imag=imag-c2.imag;

    return c;

}

Complex Complex::operator*(const Complex &c2)

{

   Complex c;

     c.real=real*c2.real-imag*c2.imag;

     c.imag=imag*c2.real+real*c2.imag;

    return c;

}

Complex Complex::operator/(const Complex &c2)

{

    Complex c;

    c.real=(real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);

   c.imag=(imag*c2.real-real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);

    return c;

}

void Complex::display()

{

    cout<<"("<<real<<","<<imag<<"i)"<<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;

}

运行结果:



知识点总结:

运算符的重载

学习心得:

好好努力