| Austin Schuh | dace2a6 | 2020-08-18 10:56:48 -0700 | [diff] [blame^] | 1 | /* __gmp_digit_value_tab -- support for mp*_set_str |
| 2 | |
| 3 | THE CONTENTS OF THIS FILE ARE FOR INTERNAL USE AND MAY CHANGE |
| 4 | INCOMPATIBLY OR DISAPPEAR IN A FUTURE GNU MP RELEASE. |
| 5 | |
| 6 | Copyright 2003, 2013 Free Software Foundation, Inc. |
| 7 | |
| 8 | This file is part of the GNU MP Library. |
| 9 | |
| 10 | The GNU MP Library is free software; you can redistribute it and/or modify |
| 11 | it under the terms of either: |
| 12 | |
| 13 | * the GNU Lesser General Public License as published by the Free |
| 14 | Software Foundation; either version 3 of the License, or (at your |
| 15 | option) any later version. |
| 16 | |
| 17 | or |
| 18 | |
| 19 | * the GNU General Public License as published by the Free Software |
| 20 | Foundation; either version 2 of the License, or (at your option) any |
| 21 | later version. |
| 22 | |
| 23 | or both in parallel, as here. |
| 24 | |
| 25 | The GNU MP Library is distributed in the hope that it will be useful, but |
| 26 | WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 27 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 28 | for more details. |
| 29 | |
| 30 | You should have received copies of the GNU General Public License and the |
| 31 | GNU Lesser General Public License along with the GNU MP Library. If not, |
| 32 | see https://www.gnu.org/licenses/. */ |
| 33 | |
| 34 | #include "gmp-impl.h" |
| 35 | |
| 36 | /* Table to be indexed by character, to get its numerical value. Assumes ASCII |
| 37 | character set. |
| 38 | |
| 39 | First part of table supports common usages, where 'A' and 'a' have the same |
| 40 | value; this supports bases 2..36 |
| 41 | |
| 42 | At offset 208, values for bases 37..62 start. Here, 'A' has the value 10 |
| 43 | (in decimal) and 'a' has the value 36. */ |
| 44 | |
| 45 | #define X 0xff |
| 46 | const unsigned char __gmp_digit_value_tab[] = |
| 47 | { |
| 48 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 49 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 50 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 51 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, X, X, X, X, X, X, |
| 52 | X,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24, |
| 53 | 25,26,27,28,29,30,31,32,33,34,35,X, X, X, X, X, |
| 54 | X,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24, |
| 55 | 25,26,27,28,29,30,31,32,33,34,35,X, X, X, X, X, |
| 56 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 57 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 58 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 59 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 60 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 61 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 62 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 63 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 64 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, X, X, X, X, X, X, |
| 65 | X,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24, |
| 66 | 25,26,27,28,29,30,31,32,33,34,35,X, X, X, X, X, |
| 67 | X,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50, |
| 68 | 51,52,53,54,55,56,57,58,59,60,61,X, X, X, X, X, |
| 69 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 70 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 71 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 72 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 73 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 74 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 75 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, |
| 76 | X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X |
| 77 | }; |