第八周项目一：用类的成员函数完成运算符的重载（任务一）

print?/*
* 程序的版权和版本声明部分
* Copyright (c)2013, 烟台大学计算机学院学生
* All rightsreserved.
* 文件名称： object.cpp
* 作者：李蒙
* 完成日期： 2013年04月14日
* 版本号： v1.0
* 输入描述：无
* 问题描述：无
* 程序输出：无
*/
#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 a;
    a.real=real+c2.real;
    a.imag=imag+c2.imag;
    return a;
}
Complex Complex::operator -(Complex &c2)
{
    Complex b;
    b.real=real-c2.real;
    b.imag=imag-c2.imag;
    return b;
}
Complex Complex::operator *(Complex &c2)
{
    Complex c;
    c.real=real*c2.real+(-imag*c2.imag);
    c.imag=real*c2.imag+c2.real*imag;
    return c;
}
Complex Complex::operator /(Complex &c2)
{
    Complex d;
    d.real=(real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);
    d.imag=real*(-c2.imag)+c2.real*imag;
    return d;
}
void Complex::display()
{
    cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
//下面是测试函数
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;
}

/*
* 程序的版权和版本声明部分
* Copyright (c)2013, 烟台大学计算机学院学生
* All rightsreserved.
* 文件名称： object.cpp
* 作者：李蒙
* 完成日期： 2013年04月14日
* 版本号： v1.0
* 输入描述：无
* 问题描述：无
* 程序输出：无
*/
#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 a;
a.real=real+c2.real;
a.imag=imag+c2.imag;
return a;
}
Complex Complex::operator -(Complex &c2)
{
Complex b;
b.real=real-c2.real;
b.imag=imag-c2.imag;
return b;
}
Complex Complex::operator *(Complex &c2)
{
Complex c;
c.real=real*c2.real+(-imag*c2.imag);
c.imag=real*c2.imag+c2.real*imag;
return c;
}
Complex Complex::operator /(Complex &c2)
{
Complex d;
d.real=(real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);
d.imag=real*(-c2.imag)+c2.real*imag;
return d;
}
void Complex::display()
{
cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
//下面是测试函数
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;
}

输出结果：

补充：软件开发 , C++ ,