第八周项目一

01./   
02.* 程序的版权和版本声明部分   
03.* Copyright (c)2012, 烟台大学计算机学院学生   
04.* All rightsreserved.   
05.* 文件名称： Complex.cpp   
06.* 作 者:王立强  
07.* 完成日期：2013 年4月19日   
08.* 版本号： v1.0   
09.* 对任务及求解方法的描述部分：略   
10.* 输入描述：略   
11.* 问题描述：略   
12.* 程序输出：如下   
13.*/    
#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;
}
//下面是测试函数
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();
	return 0;
}