实验内容:实现复数类中的运算符重载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: 张斌
* 完成日期: 2012 年 4 月 9 日
* 版 本号: 8-1-1
* 对任务及求解方法的描述部分
* 输入描述:
* 程序头部的注释结束(此处也删除了斜杠)
*/
/*【任务1】实现复数类中的运算符重载定义一个复数类重载运算符+、-、*、/,使之能用于复数的加减乘除。
(2)方案二:请用类的友元函数,而不是成员函数,完成上面提及的运算符的重载;
(3)方案三:在方案二的基础上,扩展+、-、*、/运算符的功能,使之能与double型数据进行运算。设Complex c; double d; c?d和d?c的结果为将d视为实部为d的复数同c运算的结果(其中?为+、-、*、/之一)。另外,定义一目运算符-,-c相当于0-c。;*/
#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)
{
Complex c;
c.real = real + c2.real;
c.imag = imag + c2.imag;
return c;
}
Complex Complex::operator-(Complex &c2)
{
Complex c;
c.real = real - c2.real;
c.imag = imag - c2.imag;
return c;
}
Complex Complex::operator*(Complex &c2)
{
Complex c;
c.real = real * c2.real;
c.imag = imag * c2.imag;
return c;
}
Complex Complex::operator/(Complex &c2)
{
Complex c;
c.real = real / c2.real;
c.imag = imag / c2.imag;
return c;
}
void Complex::display()
{
cout << "(" << real << "," << imag << "i )" << endl;
}
int main()
{
Complex c1(5, 6), c2(12, -14), 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;
}