/* (程序头部注释开始)
* 程序的版权和版本声明部分
* Copyright (c) 2011, 烟台大学计算机学院学生
* All rights reserved.
* 文件名称:
* 作 者: 姜雅明
* 完成日期: 2012 年 04 月 10 日
* 版 本 号: 1.0
* 对任务及求解方法的描述部分
* 输入描述: 复数
* 问题描述: 通过运算符重载,计算复数
* 程序输出: 计算后的复数
* 程序头部的注释结束
*/
#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();
private:
double real;
double imag;
};
//下面定义成员函数
Complex Complex::operator + (Complex &c2)
{
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)
{
return Complex (real * c2.real - imag * c2.imag, imag * c2.real + real * c2.imag);
}
Complex Complex::operator / (Complex &c2)
{
return Complex (((real * c2.real + imag * c2.imag) / (c2.imag * c2.imag + c2.real * c2.real)),
((imag * c2.real - real * c2.imag) / (c2.imag * c2.imag + c2.real * c2.real)));
}
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();
system("pause");
return 0;
}
还好,不难····