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  • C++走向远洋——48(项目一1、复数类中的运算符重载、类的成员函数)

    */
     * Copyright (c) 2016,烟台大学计算机与控制工程学院
     * All rights reserved.
     * 文件名:text.cpp
     * 作者:常轩
     * 微信公众号:Worldhello
     * 完成日期:2016年5月14日
     * 版本号:V1.0
     * 问题描述:复数类中的运算符重载
     * 程序输入:无
     * 程序输出:见运行结果
     */
    #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;  
    };  //下面定义成员函数  
    
    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;  
    }  
    
    
    
    //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;  
    }  



    运算结果:



    心得:

    以后要细心,做这个程序时看着实践指导敲,还敲错了好几个地方难过

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  • 原文地址:https://www.cnblogs.com/chxuan/p/8232223.html
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