第八周上机任务1-2

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/* (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：renwu.cpp                              * 作    者：宋本一                              * 完成日期：2012 年 4 月 9 日* 版 本 号：8.12         * 对任务及求解方法的描述部分* 输入描述：略 * 问题描述：略 * 程序输出：略* 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;}friend Complex operator+(Complex &c1,Complex &c2);friend Complex operator-(Complex &c1,Complex &c2);friend Complex operator*(Complex &c1,Complex &c2);friend Complex operator/(Complex &c1,Complex &c2);void display();private:double real;double imag;};//下面定义成员函数Complex operator +(Complex &c1,Complex &c2){return Complex(c1.real+c2.real,c1.imag+c2.imag);}Complex operator -(Complex &c1,Complex &c2){return Complex(c1.real-c2.real,c1.imag-c2.imag);}Complex operator *(Complex &c1,Complex &c2){return Complex(c1.real*c2.real-c1.imag*c2.imag,c1.real*c2.imag+c2.real*c1.imag);}Complex operator /(Complex &c1,Complex &c2){return Complex((c1.real*c2.real+c1.imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag),(-c1.real*c2.imag+c2.real*c1.imag)/(c2.real*c2.real+c2.imag*c2.imag));}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;}
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