1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // Copyright (c) Microsoft Corporation. 10 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 11 12 // Copyright 2018 Ulf Adams 13 // Copyright (c) Microsoft Corporation. All rights reserved. 14 15 // Boost Software License - Version 1.0 - August 17th, 2003 16 17 // Permission is hereby granted, free of charge, to any person or organization 18 // obtaining a copy of the software and accompanying documentation covered by 19 // this license (the "Software") to use, reproduce, display, distribute, 20 // execute, and transmit the Software, and to prepare derivative works of the 21 // Software, and to permit third-parties to whom the Software is furnished to 22 // do so, all subject to the following: 23 24 // The copyright notices in the Software and this entire statement, including 25 // the above license grant, this restriction and the following disclaimer, 26 // must be included in all copies of the Software, in whole or in part, and 27 // all derivative works of the Software, unless such copies or derivative 28 // works are solely in the form of machine-executable object code generated by 29 // a source language processor. 30 31 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 32 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 33 // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT 34 // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE 35 // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, 36 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 37 // DEALINGS IN THE SOFTWARE. 38 39 #ifndef _LIBCPP_SRC_INCLUDE_RYU_DIGIT_TABLE_H 40 #define _LIBCPP_SRC_INCLUDE_RYU_DIGIT_TABLE_H 41 42 // Avoid formatting to keep the changes with the original code minimal. 43 // clang-format off 44 45 #include "__config" 46 47 _LIBCPP_BEGIN_NAMESPACE_STD 48 49 // A table of all two-digit numbers. This is used to speed up decimal digit 50 // generation by copying pairs of digits into the final output. 51 inline constexpr char __DIGIT_TABLE[200] = { 52 '0','0','0','1','0','2','0','3','0','4','0','5','0','6','0','7','0','8','0','9', 53 '1','0','1','1','1','2','1','3','1','4','1','5','1','6','1','7','1','8','1','9', 54 '2','0','2','1','2','2','2','3','2','4','2','5','2','6','2','7','2','8','2','9', 55 '3','0','3','1','3','2','3','3','3','4','3','5','3','6','3','7','3','8','3','9', 56 '4','0','4','1','4','2','4','3','4','4','4','5','4','6','4','7','4','8','4','9', 57 '5','0','5','1','5','2','5','3','5','4','5','5','5','6','5','7','5','8','5','9', 58 '6','0','6','1','6','2','6','3','6','4','6','5','6','6','6','7','6','8','6','9', 59 '7','0','7','1','7','2','7','3','7','4','7','5','7','6','7','7','7','8','7','9', 60 '8','0','8','1','8','2','8','3','8','4','8','5','8','6','8','7','8','8','8','9', 61 '9','0','9','1','9','2','9','3','9','4','9','5','9','6','9','7','9','8','9','9' 62 }; 63 64 _LIBCPP_END_NAMESPACE_STD 65 66 // clang-format on 67 68 #endif // _LIBCPP_SRC_INCLUDE_RYU_DIGIT_TABLE_H 69