第九周实验报告一

本文介绍了一个使用C++实现复数类及其基本运算的例子,包括加、减、乘、除运算符的重载,并展示了如何通过重载输入输出流来简化复数的读写。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

 #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();    
    //重载流插入运算符“<<”           
    friend ostream& operator << (ostream&,Complex&);        
    //重载流提取运算符“>>”           
    friend istream& operator >> (istream&,Complex&);      
private:    
    double real;    
    double imag;    
};    
//用成员函数定义加减乘除     
Complex Complex::operator+(Complex &c2)//下面定义成员函数     
{    
    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 - imag*c2.imag;        
    c.imag = real*c2.imag + imag*c2.real;        
    return c;    
}    
Complex Complex::operator/(Complex &c2)    
{        
    Complex c;        
    c.real = (real*c2.real + imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);        
    c.imag = (-real*c2.imag + imag*c2.real)/(c2.real*c2.real+c2.imag*c2.imag);       
    return c;        
}     
    
    
void Complex::display()    
{        
    cout<<"("<<real<<","<<imag<<"i)"<<endl;        
}     
//下面定义成员函数          
istream& operator >> (istream& input,Complex& c)      
{       
    input>>c.real>>c.imag;      
    return input;      
}      
ostream& operator << (ostream& output,Complex& c)      
{      
    output<<"("<<c.real<<" "<<c.imag<<"i)"<<endl;      
    return output;      
}        
int main()    
{    
    Complex c1,c2,c3;    
    cout<<"请输入复数c1的值:(以a b的形式输入)";      
    cin>>c1;      
    cout<<"请输入复数c2的值:(以a b的形式输入)";      
    cin>>c2;     
    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();    
    system("pause");    
    return 0;    
}   


评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值