Introduction - If you have any usage issues, please Google them yourself
class complex
{
public:
complex (double r = 0, double i = 0): re (r), im (i) { }
complex& operator += (const complex&);
complex& operator -= (const complex&);
complex& operator *= (const complex&);
complex& operator /= (const complex&);
double real () const { return re; }
double imag () const { return im; }
private:
double re, im;
friend complex& __doapl (complex *, const complex&);
friend complex& __doami (complex *, const complex&);
friend complex& __doaml (complex *, const complex&);
};