第八周项目1-3-这个复数类能卖多少钱

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/**程序的版权和版本声明部分：*Copyright(c)2014，烟台大学计算机学院学生*All rights reserved.*文件名称:*作者：田成琳*完成日期：2014  年 4 月 15 日*版本号：v1.0*对任务及求解方法的描述部分：*输入描述：无*问题描述：复数类模板          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*程序输出：- -*问题分析：*算法设计：*/#include<iostream>using namespace std;class Complex{public:    Complex(){real=0;imag=0;}    Complex(double r,double i){real=r; imag=i;}    friend Complex operator+(Complex c1,Complex &c2);    friend Complex operator+(double &b,Complex &c2);    friend Complex operator+(Complex &c2,double &b);    friend Complex operator-(Complex c1,Complex &c2);    friend Complex operator-(double &b,Complex &c2);    friend Complex operator-(Complex &c2,double &b);    friend Complex operator*(Complex c1,Complex &c2);    friend Complex operator*(double &b,Complex &c2);    friend Complex operator*(Complex &c2,double &b);    friend Complex operator/(Complex c1,Complex &c2);    friend Complex operator/(double &b,Complex &c2);    friend Complex operator/(Complex &c2,double &b);    void display();private:    double real;    double imag;};Complex operator+(Complex c1,Complex &c2){return Complex(c1.real+c2.real,c1.imag+c2.imag);}Complex operator+(double &b,Complex &c2){return Complex(b+c2.real,c2.imag);}Complex operator+(Complex &c2,double &b){return Complex(b+c2.real,c2.imag);}Complex operator-(Complex c1,Complex &c2){return Complex(c1.real-c2.real,c1.imag-c2.imag);}Complex operator-(double &b,Complex &c2){return Complex(c2.real-b,c2.imag);}Complex operator-(Complex &c2,double &b){return Complex(c2.real,c2.imag-b);}Complex operator*(Complex c1,Complex &c2){Complex c;c.real=c1.real*c2.real-c1.imag*c2.imag;c.imag=c1.imag*c2.real+c1.real*c2.imag;return c;}Complex operator*(double &b,Complex &c2){    return Complex(b*c2.real,b*c2.imag);}Complex operator*(Complex &c2,double &b){return Complex(b*c2.real,b*c2.imag);}Complex operator/(Complex c1,Complex &c2){Complex c;double d=c2.real*c2.real+c2.imag*c2.imag;c.real=(c1.real*c2.real+c1.imag*c2.imag)/d;c.imag=(c1.imag*c2.real-c1.real*c2.imag)/d;return c;}Complex operator/(double &b,Complex &c2){double d=c2.real*c2.real+c2.imag*c2.imag;return Complex((b*c2.real)/d,(b*c2.imag)/d);}Complex operator/(Complex &c2,double &b){return Complex(c2.real/b,c2.imag/b);}void Complex::display(){cout<<real<<"+"<<imag<<"i"<<endl;}int main(){    Complex c1(3,4),c2(5,-10),c3;double d=11;cout<<"c1="; c1.display();cout<<"c2="; c2.display();cout<<"d="<<d<<endl;c3=c1+c2;cout<<"c1+c2="; c3.display();cout<<"c1+d=";(c1+d).display();cout<<"d+c1=";(d+c1).display();c3=c1-c2;cout<<"c1-c2="; c3.display();cout<<"c1-d=";(c1-d).display();cout<<"d-c1=";(d-c1).display();c3=c1*c2;cout<<"c1*c2="; c3.display();cout<<"c1*d=";(c1*d).display();cout<<"d*c1=";(d*c1).display();c3=c1/c2;cout<<"c1/c2=";c3.display();cout<<"c1/d=";(c1/d).display();cout<<"d/c1=";(d/c1).display();return 0;}
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