include<iostream> using namespace std class complex∥复数类声明 public:∥外部接口 complex(double r=0.0, double i=0. Okrealr; imag=i; 3 ∥构造函数 complex operator+( complex c2);|+重载为成员函数 complex operator-( complex c2);-重载为成员函数 void display(;∥输出复数 private:∥有数据成员 double rea;∥复数实部 doub| e Imag;∥复数虚部
#include<iostream> using namespace std; class complex //复数类声明 { public: //外部接口 complex(double r=0.0,double i=0.0){real=r;imag=i;} //构造函数 complex operator + (complex c2); //+重载为成员函数 complex operator - (complex c2); //-重载为成员函数 void display(); //输出复数 private: //私有数据成员 double real; //复数实部 double imag; //复数虚部 }; 16
complex complex operator+( complex c2)∥重载函数实现 complex C) c real=c2. realtreal Cimag=c2imag+imag, return complex(c real, C imag
complex complex:: operator +(complex c2) //重载函数实现 { complex c; c.real=c2.real+real; c.imag=c2.imag+imag; return complex(c.real,c.imag); } 17
complex complex operator- complex c2)∥重载函数实现 complex C, crea=real-c2,real Cimag=imag-c2 imag return complex(c real, C imag)
complex complex:: operator -(complex c2) //重载函数实现 { complex c; c.real=real-c2.real; c.imag=imag-c2.imag; return complex(c.real,c.imag); } 18
void complex: display cout≤"("< <reals<","<imag<s"p"<≤endl;} int main()∥主函数 complex c1(5,4),c2(2,10,c3,c4;∥声明复数类的对象 cout<< c1=, c1 display (; cout<<" c2="; c2 display c3=c1-c2;∥使用重载运算符完成复数减法 cout<< C3=C1-C2= C3 display c3=c1+c2;∥使用重载运算符完成复数加法 cout<< c3=c1+c2= C3 display(; c4=c3+c2+c1
void complex::display() { cout<<"("<<real<<","<<imag<<")"<<endl; } int main() //主函数 { complex c1(5,4),c2(2,10),c3,c4; //声明复数类的对象 cout<<"c1="; c1.display(); cout<<"c2="; c2.display(); c3=c1-c2; //使用重载运算符完成复数减法 cout<<"c3=c1-c2="; c3.display(); c3=c1+c2; //使用重载运算符完成复数加法 cout<<"c3=c1+c2="; c3.display(); c4 = c3 + c2 + c1; } 19