第八周项目1-实现复数类中的运算符重载

/* * Copyright (c) 2015,烟台大学计算机学院 * All right reserved. * 作者：邵帅 * 文件：Demo.cpp * 完成时间：2015年04月29日 * 版本号：v1.0 */ #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 Complex Complex::operator+(const Complex &c2) { Complex a; a.real=real+c2.real; a.imag=imag+c2.imag; return a; } Complex Complex::operator-(const Complex &c2) { Complex a; a.real=real-c2.real; a.imag=imag-c2.imag; return a; } Complex Complex::operator*(const Complex &c2) { Complex a; a.real=real*c2.real; a.imag=imag*c2.imag; return a; } Complex Complex::operator/(const Complex &c2) { Complex a; a.real=real/c2.real; a.imag=imag/c2.imag; return a; } void Complex::display() { cout<<"("<<real<<","<<imag<<"i)"<<endl; } //下面定义用于测试的main()函数 int main() { Complex c1(3,4),c2(5,⑴0),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; }

/* * Copyright (c) 2015,烟台大学计算机学院 * All right reserved. * 作者：邵帅 * 文件：Demo.cpp * 完成时间：2015年04月29日 * 版本号：v1.0 */ #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) { Complex a; a.real=c1.real+c2.real; a.imag=c1.imag+c2.imag; return a; } Complex operator-(Complex &c1,Complex &c2) { Complex a; a.real=c1.real-c2.real; a.imag=c1.imag-c2.imag; return a; } Complex operator*(Complex &c1,Complex &c2) { Complex a; a.real=c1.real*c2.real; a.imag=c1.imag*c2.imag; return a; } Complex operator/(Complex &c1,Complex &c2) { Complex a; a.real=c1.real/c2.real; a.imag=c1.imag/c2.imag; return a; } void Complex::display() { cout<<"("<<real<<","<<imag<<"i)"<<endl; } //下面定义用于测试的main()函数 int main() { Complex c1(3,4),c2(5,⑴0),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; }