Residue.h

#pragma once

template <int P>
class Residue
{
public:
    Residue(int a);
    ~Residue();

    bool operator == (Residue<P> b) const;
    bool operator < (Residue<P> b) const;

    Residue<P>& operator += (Residue<P> b) const;
    Residue<P>& operator -= (Residue<P> b) const;
    Residue<P>& operator *= (Residue<P> b) const;
    Residue<P>& operator /= (Residue<P> b) const;

    // обратный по умножению
    // если P состовное - бросить исключение
    Residue<P>& operator ~ () const;

    // обратный по сложению
    Residue<P>& operator - () const;


private:

};

template <int P>
Residue<P> operator + (Residue<P> a, Residue<P> b);

template <int P>
Residue<P> operator - (Residue<P> a, Residue<P> b);

template <int P>
Residue<P> operator * (Residue<P> a, Residue<P> b);

template <int P>
Residue<P> operator / (Residue<P> a, Residue<P> b);