第八周【项目1-实现复数类中的运算符重载】

秒速五厘米 2022-08-05 12:27 136阅读 0赞

问题及代码：

/*
     *Copyright (c) 2014,烟台大学计算机学院
     *ALL right reserved
     *文件名：学生成绩统计
     *作者；童宇
     *完成日期：2015 年 4月23 日
     *版本号v1.0
     *问题描述：（1）请用类的成员函数，定义复数类重载运算符+、-、*、/，使之能用于复数的加减乘除
     *输入描述：
     *程序输出：
     */
    #include <iostream>
    using namespace std;
    class Complex
    {
    public:
        Complex()
        {
            real=0;
            img=0;
        }
        Complex(double r,double i)
        {
            real=r;
            img=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 img;
    };
    
    Complex Complex::operator+(const Complex &c2)
    {
        Complex c;
        c.real=real+c2.real;
        c.img=img+c2.img;
        return c;
    }
    Complex Complex::operator-(const Complex &c2)
    {
        Complex c;
        c.real=real-c2.real;
        c.img=img-c2.img;
        return c;
    }
    Complex Complex::operator*(const Complex &c2)
    {
        Complex c;
        c.real=real*c2.real;
        c.img=img*c2.img;
        return c;
    }
    Complex Complex::operator/(const Complex &c2)
    {
        Complex c;
        c.real=real/c2.real;
        c.img=img/c2.img;
        return c;
    }
    void Complex::display()
    {
        cout<<"("<<real<<","<<img<<")"<<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;
    }

运行结果：

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[Center]: /images/20220805/58d2689848e54d79b985f677fe734b9b.png