Big_integer/big_integer.h at master · actorFromCalifornia/Big_integer · GitHub

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#ifndef BIG_INTEGER_H
#define BIG_INTEGER_H
#include <string>
#include "new_vector.h"

struct big_integer {
    big_integer();
    big_integer(big_integer const& other);
    big_integer(int a);
    explicit big_integer(std::string const& str);
    ~big_integer();

    big_integer& operator=(big_integer const& other);

    big_integer& operator+=(big_integer const& rhs);
    big_integer& operator-=(big_integer const& rhs);
    big_integer& operator*=(big_integer const& rhs);
    big_integer& operator/=(big_integer const& rhs);
    big_integer& operator%=(big_integer const& rhs);

    big_integer& operator&=(big_integer const& rhs);
    big_integer& operator|=(big_integer const& rhs);
    big_integer& operator^=(big_integer const& rhs);

    big_integer& operator<<=(int rhs);
    big_integer& operator>>=(int rhs);

    big_integer operator+() const;
    big_integer operator-() const;
    big_integer operator~() const;

    big_integer& operator++();
    big_integer operator++(int);

    big_integer& operator--();
    big_integer operator--(int);

    friend bool operator==(big_integer const& a, big_integer const& b);
    friend bool operator!=(big_integer const& a, big_integer const& b);
    friend bool operator<(big_integer const& a, big_integer const& b);
    friend bool operator>(big_integer const& a, big_integer const& b);
    friend bool operator<=(big_integer const& a, big_integer const& b);
    friend bool operator>=(big_integer const& a, big_integer const& b);

    friend std::string to_string(big_integer const& a);

 private:
    opt_vector body;
    int sign;
    friend void normalize(big_integer &a);
    friend int compareAbs(opt_vector const& a, opt_vector const& b);
    big_integer(unsigned long long new_int);
    big_integer(unsigned int new_int);
    friend int compare(big_integer const& a, big_integer const& b);
    friend void multiply(opt_vector &res, const opt_vector &a, uint64_t b);
    friend unsigned int binary (const big_integer &dop, const big_integer &second);
    friend void div_long_short (big_integer &first, int second);
    friend big_integer double_code(big_integer a);
    friend big_integer& make_binary_op (big_integer &a, big_integer const &b, int operation);
};

big_integer operator+(big_integer a, big_integer const& b);
big_integer operator-(big_integer a, big_integer const& b);
big_integer operator*(big_integer a, big_integer const& b);
big_integer operator/(big_integer a, big_integer const& b);
big_integer operator%(big_integer a, big_integer const& b);

big_integer operator&(big_integer a, big_integer const& b);
big_integer operator|(big_integer a, big_integer const& b);
big_integer operator^(big_integer a, big_integer const& b);

big_integer operator<<(big_integer a, int b);
big_integer operator>>(big_integer a, int b);

bool operator==(big_integer const& a, big_integer const& b);
bool operator!=(big_integer const& a, big_integer const& b);
bool operator<(big_integer const& a, big_integer const& b);
bool operator>(big_integer const& a, big_integer const& b);
bool operator<=(big_integer const& a, big_integer const& b);
bool operator>=(big_integer const& a, big_integer const& b);

std::string to_string(big_integer const& a);
std::ostream& operator<<(std::ostream& s, big_integer const& a);

#endif // BIG_INTEGER_H