第九周任务一

/* (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： 实现复数类中的运算符重载

* 作 者： 高中亚

* 完成日期： 2012 年04 月16日

* 版 本 号：1.0

* 对任务及求解方法的描述部分

* 输入描述：

* 问题描述：定义一个复数类重载运算符+、-、*、/，使之能用于复数的加减乘除。

* 程序输出：

* 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);friend ostream& operator << (ostream&,Complex&);//声明重载运算符“<<”函数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.real*c2.real+c2.imag*c2.imag),     (imag*c2.real-real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag));   }ostream& operator << (ostream& output,Complex& c)//定义重载运算符“<<”函数{    output << "(" << c.real << "," << c.imag << "i)" << endl;return output;} void main() { Complex c1(3,4),c2(5,-10),c3; cout << "c1 = ";       cout << c1;       cout << "c2 = ";       cout << c2;   c3 = c1 + c2; cout << "c1 + c2 = "; cout << c3; c3 = c1 - c2; cout << "c1 - c2 = "; cout << c3; c3 = c1 * c2;  cout << "c1 * c2 = "; cout << c3; c3 = c1 / c2; cout << "c1 / c2 = "; cout << c3; system("pause"); } 

感言：GO ON!