第8周项目1.1 类的成员函数实现复数类中的运算符重载

/*
*Copyright (c)2015,烟台大学计算机与控制工程学院
*All rights reserved.
*文件名称：score.cpp
*作    者：惠睿
*完成日期：2015年4月29日
*版 本 号：v1.0
*
*问题描述：l类的成员函数实现复数类中的运算符重载。
*程序输入：无输入。
*程序输出：输出调用函数后的值。
*/
#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;
};
Complex Complex::operator+(const Complex &c2)
{
return Complex(real+c2.real,imag+c2.imag);
}
Complex Complex::operator-(const Complex &c2)
{
return Complex(real-c2.real,imag-c2.imag);
}
Complex Complex::operator*(const Complex &c2)
{
return Complex(real*c2.real-imag*c2.imag,real*c2.imag+imag*c2.real);
}
Complex Complex::operator/(const Complex &c2)
{
int t;
t=real*c2.real+real*c2.imag+imag*c2.real-imag*c2.imag;
return Complex((real*c2.real-imag*c2.imag)/t,(real*c2.imag+imag*c2.real)/t);
}
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;
}