| | 1 | /* |
| | 2 | * This file is part of DisOrder |
| | 3 | * Copyright (C) 2008 Richard Kettlewell |
| | 4 | * |
| | 5 | * This program is free software: you can redistribute it and/or modify |
| | 6 | * it under the terms of the GNU General Public License as published by |
| | 7 | * the Free Software Foundation, either version 3 of the License, or |
| | 8 | * (at your option) any later version. |
| | 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 | * |
| | 15 | * You should have received a copy of the GNU General Public License |
| | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| | 17 | */ |
| | 18 | |
| | 19 | /** @file lib/bits.h |
| | 20 | * @brief Bit operations |
| | 21 | */ |
| | 22 | |
| | 23 | #ifndef BITS_H |
| | 24 | #define BITS_H |
| | 25 | |
| | 26 | #if HAVE_FLS |
| | 27 | static inline int leftmost_bit(uint32_t n) { |
| | 28 | return fls(n) - 1; |
| | 29 | } |
| | 30 | #else |
| | 31 | int leftmost_bit(uint32_t n); |
| | 32 | #endif |
| | 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 | */ |
~mdw / disorder / blame_incremental