第12周项目1—实现复数类的运算符重载 （1）

2.*Copyright(c) 2016.烟台大学计算机与控制工程学院
3.*ALL rights  reserved.
4.*文件名称：main.cpp
5.*作者：孙亚茹
6.*完成日期：2016年5月26日
7.*问题描述:定义复数重载运算符+，-，*，/，使之用于复数的加减乘除。
8.*/

#include <iostream>

using namespace std;

class Complex
{
public:
Complex(){real=0;imag=0;}
Complex(double r,double i){real=r; imag=i;}
Complex operator+(const Complex &c2);
Complex operator-(const Complex &c2);
Complex operator*(const Complex &c2);
Complex operator/(const Complex &c2);
void display();
private:
double real;
double imag;
};
//下面定义成员函数
Complex Complex::operator+(const Complex &c2)
{
Complex c;
c.real=real+c2.real;
c.imag=imag+c2.imag;
return c;
}
Complex Complex::operator-(const Complex &c2)
{
Complex c;
c.real=real-c2.real;
c.imag=imag-c2.imag;
return c;
}
Complex Complex::operator*(const Complex &c2)
{
Complex c;
c.real=real*c2.real;
c.imag=imag*c2.imag;
return c;
}
Complex Complex::operator/(const Complex &c2)
{
Complex c;
c.real=real/c2.real;
c.imag=imag/c2.imag;
return c;
}
void Complex::display()
{
cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
//下面定义用于测试的main()函数
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;
}