text: /*
      This file is part of TON Blockchain Library.
  
      TON Blockchain Library is free software: you can redistribute it and/or modify
      it under the terms of the GNU Lesser General Public License as published by
      the Free Software Foundation, either version 2 of the License, or
      (at your option) any later version.
  
      TON Blockchain Library is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU Lesser General Public License for more details.
  
      You should have received a copy of the GNU Lesser General Public License
      along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
  
      Copyright 2017-2019 Telegram Systems LLP
  */
  #pragma once
  
  #include "common/refcnt.hpp"
  #include "common/bigint.hpp"
  #include <utility>
  #include <string>
  
  namespace td {
  class StringBuilder;
  
  extern template class Cnt<BigInt256>;
  extern template class Ref<Cnt<BigInt256>>;
  typedef Cnt<BigInt256> CntInt256;
  typedef Ref<CntInt256> RefInt256;
  
  extern RefInt256 operator+(RefInt256 x, RefInt256 y);
  extern RefInt256 operator+(RefInt256 x, long long y);
  extern RefInt256 operator-(RefInt256 x, RefInt256 y);
  extern RefInt256 operator-(RefInt256 x, long long y);
  extern RefInt256 operator*(RefInt256 x, RefInt256 y);
  extern RefInt256 operator*(RefInt256 x, long long y);
  extern RefInt256 operator/(RefInt256 x, RefInt256 y);
  extern RefInt256 operator%(RefInt256 x, RefInt256 y);
  extern RefInt256 div(RefInt256 x, RefInt256 y, int round_mode = -1);
  extern RefInt256 mod(RefInt256 x, RefInt256 y, int round_mode = -1);
  extern std::pair<RefInt256, RefInt256> divmod(RefInt256 x, RefInt256 y, int round_mode = -1);
  extern RefInt256 operator-(RefInt256 x);
  extern RefInt256 operator&(RefInt256 x, RefInt256 y);
  extern RefInt256 operator|(RefInt256 x, RefInt256 y);
  extern RefInt256 operator^(RefInt256 x, RefInt256 y);
  extern RefInt256 operator~(RefInt256 x);
  extern RefInt256 operator<<(RefInt256 x, int y);
  extern RefInt256 operator>>(RefInt256 x, int y);
  extern RefInt256 rshift(RefInt256 x, int y, int round_mode = -1);
  
  extern RefInt256& operator+=(RefInt256& x, RefInt256 y);
  extern RefInt256& operator+=(RefInt256& x, long long y);
  extern RefInt256& operator-=(RefInt256& x, RefInt256 y);
  extern RefInt256& operator-=(RefInt256& x, long long y);
  extern RefInt256& operator*=(RefInt256& x, RefInt256 y);
  extern RefInt256& operator*=(RefInt256& x, long long y);
  extern RefInt256& operator/=(RefInt256& x, RefInt256 y);
  extern RefInt256& operator%=(RefInt256& x, RefInt256 y);
  
  extern RefInt256& operator&=(RefInt256& x, RefInt256 y);
  extern RefInt256& operator|=(RefInt256& x, RefInt256 y);
  extern RefInt256& operator^=(RefInt256& x, RefInt256 y);
  extern RefInt256& operator<<=(RefInt256& x, int y);
  extern RefInt256& operator>>=(RefInt256& x, int y);
  
  template <typename T>
  bool operator==(RefInt256 x, T y) {
    return cmp(x, y) == 0;
  }
  
  template <typename T>
  bool operator!=(RefInt256 x, T y) {
    return cmp(x, y) != 0;
  }
  
  template <typename T>
  bool operator<(RefInt256 x, T y) {
    return cmp(x, y) < 0;
  }
  
  template <typename T>
  bool operator>(RefInt256 x, T y) {
    return cmp(x, y) > 0;
  }
  
  template <typename T>
  bool operator<=(RefInt256 x, T y) {
    return cmp(x, y) <= 0;
  }
  
  template <typename T>
  bool operator>=(RefInt256 x, T y) {
    return cmp(x, y) >= 0;
  }
  
  extern int cmp(RefInt256 x, RefInt256 y);
  extern int cmp(RefInt256 x, long long y);
  extern int sgn(RefInt256 x);
  
  extern RefInt256 make_refint(long long x);
  
  extern std::string dec_string(RefInt256 x);
  extern std::string dec_string2(RefInt256&& x);
  extern std::string hex_string(RefInt256 x, bool upcase = false);
  extern std::string binary_string(RefInt256 x);
  
  extern RefInt256 dec_string_to_int256(const std::string& s);
  extern RefInt256 dec_string_to_int256(td::Slice s);
  extern RefInt256 hex_string_to_int256(const std::string& s);
  extern RefInt256 hex_string_to_int256(td::Slice s);
  extern RefInt256 string_to_int256(const std::string& s);
  extern RefInt256 string_to_int256(td::Slice s);
  
  extern std::ostream& operator<<(std::ostream& os, const RefInt256& x);
  extern std::ostream& operator<<(std::ostream& os, RefInt256&& x);
  extern td::StringBuilder& operator<<(td::StringBuilder& os, const RefInt256& x);
  
  namespace literals {
  
  extern RefInt256 operator""_ri256(const char* str, std::size_t str_len);
  extern RefInt256 operator""_rx256(const char* str, std::size_t str_len);
  
  }  // namespace literals
  }  // namespace td
  