实现复数类中的运算符重载

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/* Copyright (c) 2016* All rights reserved 烟台大学计算机与控制工程学院    * 文件名称：3.cpp    * 作者：刘丽    * 完成日期：2016年 5 月 24日    * 版本号： v1.0   【项目-实现复数类中的运算符重载】（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[cpp] view plain copy print?在CODE上查看代码片派生到我的代码片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      //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;  }  */ #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void Complex::display(){     cout<<real;   if(imag)   {   if(imag>0)   cout <<"+";   cout<<imag<<"i"<<endl;   }}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-imag*c2.imag;      c.imag=imag*c2.real+real*c2.imag;      return c;  }Complex Complex:: operator/(const Complex &c2){    Complex c;      c.real=(real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);      c.imag=(imag*c2.real-real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);      return c;  }//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;  }
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