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f9d42b20 RK |
1 | /* |
2 | * This file is part of DisOrder | |
3 | * Copyright (C) 2008 Richard Kettlewell | |
4 | * | |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
f9d42b20 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
f9d42b20 | 8 | * (at your option) any later version. |
e7eb3a27 RK |
9 | * |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
f9d42b20 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
f9d42b20 RK |
17 | */ |
18 | ||
19 | /** @file lib/bits.h | |
20 | * @brief Bit operations | |
21 | */ | |
22 | ||
23 | #ifndef BITS_H | |
24 | #define BITS_H | |
25 | ||
7c8c2fc9 RK |
26 | #if HAVE_FLS |
27 | static inline int leftmost_bit(uint32_t n) { | |
28 | return fls(n) - 1; | |
29 | } | |
30 | #else | |
f9d42b20 | 31 | int leftmost_bit(uint32_t n); |
7c8c2fc9 | 32 | #endif |
f9d42b20 RK |
33 | |
34 | #endif /* BITS_H */ | |
35 | ||
36 | ||
37 | /* | |
38 | Local Variables: | |
39 | c-basic-offset:2 | |
40 | comment-column:40 | |
41 | fill-column:79 | |
42 | indent-tabs-mode:nil | |
43 | End: | |
44 | */ |