8-1 实现复数类中的运算符重载

/*
* Copyright (c) 2012, 烟台大学计算机学院
* All rights reserved.
* 作 者： 田宇
* 完成日期： 2013 年 4 月 23 日 
* 版 本 号：v1.0 *
* 输入描述：略
* 问题描述：
* 程序输出：见下
* 问题分析：
*/
#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;
};

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-imag*C2.imag;
    C.imag=imag*C2.real+real*C2.imag;
    return C;
}
Complex Complex::operator/(Complex &C2)
{
        Complex C;
    C.real=(real*C2.real+imag*C2.imag)/(C2.real*C2.real+C2.imag*C2.imag);
    C.imag=(imag*C2.real-real*C2.imag)/(C2.real*C2.real+C2.imag*C2.imag);
    return C;
}
void Complex::display()
{
    cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
int main()
{
  Complex C1(3,5),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();
   return 0;
}

*运行结果：

*心得体会：

略吧。

没啥了。