SMusatov
/
ydb
mirror of https://github.com/ydb-platform/ydb.git


			
				
					
						
						
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							// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP___CHARCONV_TABLES
#define _LIBCPP___CHARCONV_TABLES

#include <__config>
#include <cstdint>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#  pragma GCC system_header
#endif

_LIBCPP_BEGIN_NAMESPACE_STD

#if _LIBCPP_STD_VER >= 17

namespace __itoa {

inline constexpr char __base_2_lut[64] = {
    '0', '0', '0', '0', '0', '0', '0', '1', '0', '0', '1', '0', '0', '0', '1', '1', '0', '1', '0', '0', '0', '1',
    '0', '1', '0', '1', '1', '0', '0', '1', '1', '1', '1', '0', '0', '0', '1', '0', '0', '1', '1', '0', '1', '0',
    '1', '0', '1', '1', '1', '1', '0', '0', '1', '1', '0', '1', '1', '1', '1', '0', '1', '1', '1', '1'};

inline constexpr char __base_8_lut[128] = {
    '0', '0', '0', '1', '0', '2', '0', '3', '0', '4', '0', '5', '0', '6', '0', '7', '1', '0', '1', '1', '1', '2',
    '1', '3', '1', '4', '1', '5', '1', '6', '1', '7', '2', '0', '2', '1', '2', '2', '2', '3', '2', '4', '2', '5',
    '2', '6', '2', '7', '3', '0', '3', '1', '3', '2', '3', '3', '3', '4', '3', '5', '3', '6', '3', '7', '4', '0',
    '4', '1', '4', '2', '4', '3', '4', '4', '4', '5', '4', '6', '4', '7', '5', '0', '5', '1', '5', '2', '5', '3',
    '5', '4', '5', '5', '5', '6', '5', '7', '6', '0', '6', '1', '6', '2', '6', '3', '6', '4', '6', '5', '6', '6',
    '6', '7', '7', '0', '7', '1', '7', '2', '7', '3', '7', '4', '7', '5', '7', '6', '7', '7'};

inline constexpr char __base_16_lut[512] = {
    '0', '0', '0', '1', '0', '2', '0', '3', '0', '4', '0', '5', '0', '6', '0', '7', '0', '8', '0', '9', '0', 'a', '0',
    'b', '0', 'c', '0', 'd', '0', 'e', '0', 'f', '1', '0', '1', '1', '1', '2', '1', '3', '1', '4', '1', '5', '1', '6',
    '1', '7', '1', '8', '1', '9', '1', 'a', '1', 'b', '1', 'c', '1', 'd', '1', 'e', '1', 'f', '2', '0', '2', '1', '2',
    '2', '2', '3', '2', '4', '2', '5', '2', '6', '2', '7', '2', '8', '2', '9', '2', 'a', '2', 'b', '2', 'c', '2', 'd',
    '2', 'e', '2', 'f', '3', '0', '3', '1', '3', '2', '3', '3', '3', '4', '3', '5', '3', '6', '3', '7', '3', '8', '3',
    '9', '3', 'a', '3', 'b', '3', 'c', '3', 'd', '3', 'e', '3', 'f', '4', '0', '4', '1', '4', '2', '4', '3', '4', '4',
    '4', '5', '4', '6', '4', '7', '4', '8', '4', '9', '4', 'a', '4', 'b', '4', 'c', '4', 'd', '4', 'e', '4', 'f', '5',
    '0', '5', '1', '5', '2', '5', '3', '5', '4', '5', '5', '5', '6', '5', '7', '5', '8', '5', '9', '5', 'a', '5', 'b',
    '5', 'c', '5', 'd', '5', 'e', '5', 'f', '6', '0', '6', '1', '6', '2', '6', '3', '6', '4', '6', '5', '6', '6', '6',
    '7', '6', '8', '6', '9', '6', 'a', '6', 'b', '6', 'c', '6', 'd', '6', 'e', '6', 'f', '7', '0', '7', '1', '7', '2',
    '7', '3', '7', '4', '7', '5', '7', '6', '7', '7', '7', '8', '7', '9', '7', 'a', '7', 'b', '7', 'c', '7', 'd', '7',
    'e', '7', 'f', '8', '0', '8', '1', '8', '2', '8', '3', '8', '4', '8', '5', '8', '6', '8', '7', '8', '8', '8', '9',
    '8', 'a', '8', 'b', '8', 'c', '8', 'd', '8', 'e', '8', 'f', '9', '0', '9', '1', '9', '2', '9', '3', '9', '4', '9',
    '5', '9', '6', '9', '7', '9', '8', '9', '9', '9', 'a', '9', 'b', '9', 'c', '9', 'd', '9', 'e', '9', 'f', 'a', '0',
    'a', '1', 'a', '2', 'a', '3', 'a', '4', 'a', '5', 'a', '6', 'a', '7', 'a', '8', 'a', '9', 'a', 'a', 'a', 'b', 'a',
    'c', 'a', 'd', 'a', 'e', 'a', 'f', 'b', '0', 'b', '1', 'b', '2', 'b', '3', 'b', '4', 'b', '5', 'b', '6', 'b', '7',
    'b', '8', 'b', '9', 'b', 'a', 'b', 'b', 'b', 'c', 'b', 'd', 'b', 'e', 'b', 'f', 'c', '0', 'c', '1', 'c', '2', 'c',
    '3', 'c', '4', 'c', '5', 'c', '6', 'c', '7', 'c', '8', 'c', '9', 'c', 'a', 'c', 'b', 'c', 'c', 'c', 'd', 'c', 'e',
    'c', 'f', 'd', '0', 'd', '1', 'd', '2', 'd', '3', 'd', '4', 'd', '5', 'd', '6', 'd', '7', 'd', '8', 'd', '9', 'd',
    'a', 'd', 'b', 'd', 'c', 'd', 'd', 'd', 'e', 'd', 'f', 'e', '0', 'e', '1', 'e', '2', 'e', '3', 'e', '4', 'e', '5',
    'e', '6', 'e', '7', 'e', '8', 'e', '9', 'e', 'a', 'e', 'b', 'e', 'c', 'e', 'd', 'e', 'e', 'e', 'f', 'f', '0', 'f',
    '1', 'f', '2', 'f', '3', 'f', '4', 'f', '5', 'f', '6', 'f', '7', 'f', '8', 'f', '9', 'f', 'a', 'f', 'b', 'f', 'c',
    'f', 'd', 'f', 'e', 'f', 'f'};

inline constexpr uint32_t __pow10_32[10] = {
    UINT32_C(0),
    UINT32_C(10),
    UINT32_C(100),
    UINT32_C(1000),
    UINT32_C(10000),
    UINT32_C(100000),
    UINT32_C(1000000),
    UINT32_C(10000000),
    UINT32_C(100000000),
    UINT32_C(1000000000)};

inline constexpr uint64_t __pow10_64[20] = {
    UINT64_C(0),
    UINT64_C(10),
    UINT64_C(100),
    UINT64_C(1000),
    UINT64_C(10000),
    UINT64_C(100000),
    UINT64_C(1000000),
    UINT64_C(10000000),
    UINT64_C(100000000),
    UINT64_C(1000000000),
    UINT64_C(10000000000),
    UINT64_C(100000000000),
    UINT64_C(1000000000000),
    UINT64_C(10000000000000),
    UINT64_C(100000000000000),
    UINT64_C(1000000000000000),
    UINT64_C(10000000000000000),
    UINT64_C(100000000000000000),
    UINT64_C(1000000000000000000),
    UINT64_C(10000000000000000000)};

#  ifndef _LIBCPP_HAS_NO_INT128
inline constexpr int __pow10_128_offset      = 0;
inline constexpr __uint128_t __pow10_128[40] = {
    UINT64_C(0),
    UINT64_C(10),
    UINT64_C(100),
    UINT64_C(1000),
    UINT64_C(10000),
    UINT64_C(100000),
    UINT64_C(1000000),
    UINT64_C(10000000),
    UINT64_C(100000000),
    UINT64_C(1000000000),
    UINT64_C(10000000000),
    UINT64_C(100000000000),
    UINT64_C(1000000000000),
    UINT64_C(10000000000000),
    UINT64_C(100000000000000),
    UINT64_C(1000000000000000),
    UINT64_C(10000000000000000),
    UINT64_C(100000000000000000),
    UINT64_C(1000000000000000000),
    UINT64_C(10000000000000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(10),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(100),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(1000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(10000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(100000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(1000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(10000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(100000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(1000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(10000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(100000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(1000000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(10000000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(100000000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(1000000000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(10000000000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(100000000000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(1000000000000000000),
    __uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(10000000000000000000),
    (__uint128_t(UINT64_C(10000000000000000000)) * UINT64_C(10000000000000000000)) * 10};
#  endif

inline constexpr char __digits_base_10[200] = {
    // clang-format off
    '0', '0', '0', '1', '0', '2', '0', '3', '0', '4', '0', '5', '0', '6', '0', '7', '0', '8', '0', '9',
    '1', '0', '1', '1', '1', '2', '1', '3', '1', '4', '1', '5', '1', '6', '1', '7', '1', '8', '1', '9',
    '2', '0', '2', '1', '2', '2', '2', '3', '2', '4', '2', '5', '2', '6', '2', '7', '2', '8', '2', '9',
    '3', '0', '3', '1', '3', '2', '3', '3', '3', '4', '3', '5', '3', '6', '3', '7', '3', '8', '3', '9',
    '4', '0', '4', '1', '4', '2', '4', '3', '4', '4', '4', '5', '4', '6', '4', '7', '4', '8', '4', '9',
    '5', '0', '5', '1', '5', '2', '5', '3', '5', '4', '5', '5', '5', '6', '5', '7', '5', '8', '5', '9',
    '6', '0', '6', '1', '6', '2', '6', '3', '6', '4', '6', '5', '6', '6', '6', '7', '6', '8', '6', '9',
    '7', '0', '7', '1', '7', '2', '7', '3', '7', '4', '7', '5', '7', '6', '7', '7', '7', '8', '7', '9',
    '8', '0', '8', '1', '8', '2', '8', '3', '8', '4', '8', '5', '8', '6', '8', '7', '8', '8', '8', '9',
    '9', '0', '9', '1', '9', '2', '9', '3', '9', '4', '9', '5', '9', '6', '9', '7', '9', '8', '9', '9'};
// clang-format on

} // namespace __itoa

#endif // _LIBCPP_STD_VER >= 17

_LIBCPP_END_NAMESPACE_STD

#endif // _LIBCPP___CHARCONV_TABLES