/* (程序头部注释开始)* 程序的版权和版本声明部分* Copyright (c) 2011, 烟台大学计算机学院学生 * All rights reserved.* 文件名称： 运算符重载 * 作 者： 王智凯 * 完成日期： 2012 年 04 月 10 日* 版 本 号： 凯子 #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){ return Complex(real + c2.real, imag + c2.imag );}Complex Complex ::operator-(Complex &c2){ return Complex(real - c2.real, imag - c2.imag );}Complex Complex ::operator*(Complex &c2){ return Complex(real * c2.real, imag * c2.imag );}Complex Complex ::operator/(Complex &c2){ return Complex(real / c2.real, imag / c2.imag );}void Complex ::display(){ cout<<"("<<real<<","<<imag<<")"<<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(); system("pause"); return 0;} 、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////#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-(Complex &c1,Complex &c2); friend Complex operator*(Complex &c1,Complex &c2); friend Complex operator/(Complex &c1,Complex &c2); void display();private: double real; double imag;};//下面定义成员函数Complex operator+(Complex &c1,Complex &c2){ return Complex(c1.real + c2.real, c1.imag + c2.imag );}Complex operator-(Complex &c1,Complex &c2){ return Complex(c1.real - c2.real, c1.imag - c2.imag );}Complex operator*(Complex &c1,Complex &c2){ return Complex(c1.real * c2.real, c1.imag * c2.imag );}Complex operator/(Complex &c1,Complex &c2){ return Complex(c1.real / c2.real, c1.imag / c2.imag );}void Complex ::display(){ cout<<"("<<real<<","<<imag<<")"<<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(); system("pause"); return 0;} 、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////#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 &c,const double d); friend Complex operator+(Complex &c,const double d); friend Complex operator-(Complex &c,const double d); friend Complex operator*(Complex &c,const double d); friend Complex operator/(Complex &c,const double d); friend Complex operator + (const double d, Complex &c); friend Complex operator - (const double d, Complex &c); friend Complex operator * (const double d, Complex &c); friend Complex operator / (const double d, Complex &c); friend Complex operator -( Complex &c); void display(); void display1();private: double real; double imag;};//下面定义成员函数Complex Complex::operator + (double &d) Complex operator + (Complex &c, const double d) { return Complex( c.real+d, c.imag); } Complex operator-(Complex &c,const double d){ return Complex( c.real-d, c.imag);} Complex operator*(Complex &c,const double d){ return Complex(c.real*d, c.imag); } Complex operator/(Complex &c,const double d){ return Complex(c.real/d, c.imag); }Complex operator + (const double d, Complex &c){ return Complex(c.real+d, c.imag);}Complex operator - (const double d, Complex &c){ return Complex(c.real-d, c.imag);}Complex operator * (const double d, Complex &c){ return Complex(c.real*d, c.imag);}Complex operator / (const double d, Complex &c){ return Complex(c.real/d, c.imag);}Complex operator - (Complex &c){ return Complex( 0 - c.real,c.imag);}void Complex::display(){ cout << "(" <<real<<","<<imag<<"i)"<<endl;}int main(){ Complex c(2,8); double d = 20; c=c+d; cout<<"c+d="; c.display(); c=c-d; cout<<"c-d="; c.display(); c=c*d; cout<<"c*d="; c.display(); c=c-d; cout<<"c/d="; c.display(); c=d+c; cout<<"d+c="; c.display(); c=d-c; cout<<"d-c="; c.display(); c=d*c; cout<<"d*c ="; c.display(); c=d/c; cout<<"d/c="; c.display(); c = -c; cout << "- c1 =" ; c.display(); system("pause"); return 0;}
