1 // Copyright 2018 Ulf Adams
2 //
3 // The contents of this file may be used under the terms of the Apache License,
4 // Version 2.0.
5 //
6 //    (See accompanying file LICENSE-Apache or copy at
7 //     http://www.apache.org/licenses/LICENSE-2.0)
8 //
9 // Alternatively, the contents of this file may be used under the terms of
10 // the Boost Software License, Version 1.0.
11 //    (See accompanying file LICENSE-Boost or copy at
12 //     https://www.boost.org/LICENSE_1_0.txt)
13 //
14 // Unless required by applicable law or agreed to in writing, this software
15 // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 // KIND, either express or implied.
17 #ifndef RYU_DIGIT_TABLE_H
18 #define RYU_DIGIT_TABLE_H
19 
20 // A table of all two-digit numbers. This is used to speed up decimal digit
21 // generation by copying pairs of digits into the final output.
22 static const char DIGIT_TABLE[200] = {
23   '0','0','0','1','0','2','0','3','0','4','0','5','0','6','0','7','0','8','0','9',
24   '1','0','1','1','1','2','1','3','1','4','1','5','1','6','1','7','1','8','1','9',
25   '2','0','2','1','2','2','2','3','2','4','2','5','2','6','2','7','2','8','2','9',
26   '3','0','3','1','3','2','3','3','3','4','3','5','3','6','3','7','3','8','3','9',
27   '4','0','4','1','4','2','4','3','4','4','4','5','4','6','4','7','4','8','4','9',
28   '5','0','5','1','5','2','5','3','5','4','5','5','5','6','5','7','5','8','5','9',
29   '6','0','6','1','6','2','6','3','6','4','6','5','6','6','6','7','6','8','6','9',
30   '7','0','7','1','7','2','7','3','7','4','7','5','7','6','7','7','7','8','7','9',
31   '8','0','8','1','8','2','8','3','8','4','8','5','8','6','8','7','8','8','8','9',
32   '9','0','9','1','9','2','9','3','9','4','9','5','9','6','9','7','9','8','9','9'
33 };
34 
35 #endif // RYU_DIGIT_TABLE_H
36