Simone(C++)定义一个复数类Complex，重载运算符“+”，使之能用于复数的加法运算。
的有关信息介绍如下：#include <iostream>
using namespace std;
class Complex
{
public:
Complex(double r=0,double i=0):real(r),imag(i)
{
};
friend Complex operator +(Complex &c1,Complex &c2);
friend Complex operator +(Complex &c,double i);
friend Complex operator +(double i,Complex &c);
friend ostream& operator << (ostream&,Complex&); //声明重载运算符“<<”
friend istream& operator >> (istream&,Complex&); //声明重载运算符“>>”
private:
double real;
double imag;
};
Complex operator +(Complex &c1,Complex &c2)
{
return Complex(c1.real+c2.real,c1.imag+c2.imag);
}
Complex operator +(Complex &c,double i)
{
return Complex(i+c.real,c.imag);
}
Complex operator +(double i,Complex &c)
{
return Complex(i+c.real,c.imag);
}
ostream& operator << (ostream& output,Complex& c) //定义重载运算符“<<”
{
output<<"("<<c.real<<"+"<<c.imag<<"i)";
return output;
}
istream& operator >> (istream& input,Complex& c) //定义重载运算符“>>”
{
cout<<"input real part and imaginary part of complex number:";
input>>c.real>>c.imag;
return input;
}
int main( )
{
Complex c1(3,4),c2(3,2),c3,c4,c5;
c3=c1+c2;
c4=5+c2;
c5=c1+5;
cout<<"c3="<<c3<<endl;
cout<<"c4="<<c4<<endl;
cout<<"c5="<<c5<<endl;
return 0;
}
