第十二周上机时间项目——项目1—实现复数类中的运算符重载
2016-06-02 09:05
295 查看
/*
*Copyright (c) 2016,烟台大学计算机与控制工程学院
*All rights reserved.
*文件名称:fushu.cpp
*作 者:郑志金
*完成日期:2016年6月2日
*版 本 号:v1.0
*
*问题描述:用类的成员函数,定义复数类重载运算符,使之能用于复数的加减乘除
*输入描述:无
*输出描述:输出复数信息
#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;
};
void Complex::display()
{
cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
Complex Complex::operator+(const Complex &c2)
{
Complex c;
c.real=c2.real+real;
c.imag=c2.imag+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;
}
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:
![](https://oscdn.geek-share.com/Uploads/Images/Content/202011/15/2e41a1defc5e6362e91452dc0d7a5ee1)
*Copyright (c) 2016,烟台大学计算机与控制工程学院
*All rights reserved.
*文件名称:fushu.cpp
*作 者:郑志金
*完成日期:2016年6月2日
*版 本 号:v1.0
*
*问题描述:用类的成员函数,定义复数类重载运算符,使之能用于复数的加减乘除
*输入描述:无
*输出描述:输出复数信息
#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;
};
void Complex::display()
{
cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
Complex Complex::operator+(const Complex &c2)
{
Complex c;
c.real=c2.real+real;
c.imag=c2.imag+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;
}
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:
相关文章推荐
- 十四周练习
- IIS解析json的配置方法汇总
- 使用bash工具创建ssh key
- Android面试题二
- 利用https实现站点的访问
- Maven搭建hadoop环境报Missing artifact jdk.tools:jdk.tools:jar:1.6
- 第十四周阅读程序2
- 利用https实现站点的访问
- jQuery实现图片轮播效果代码(基于jquery.pack.js插件)
- 每天一道算法题目——最大公约数
- (selenium 五)unittest通过测试套件组织用例
- Spring Boot启动流程详解(一)
- 利用https实现站点的访问
- 个人冲刺03
- 补码基础
- 《转》回顾15年程序生涯,我总结的7点经验
- 第七周项目一友元函数、成员函数和一般函数有区别2
- NYOJ 1218 zkc学长的福利
- 上传工具
- CLR和.Net对象