第八周实验报告1.2

/* (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： 任小宁

* 完成日期： 2012 年04 月10日

* 版 本 号：201158504431

* 对任务及求解方法的描述部分

* 输入描述：

* 问题描述：

#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void Complex::display(){cout << "(" << real << ","  << imag << "i)" << endl;}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.imag * c2.real + c1.real * c2.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.imag*c2.real-c1.real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag));   } void 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"); }

* 程序输出：

* 程序头部的注释结束

*/