projects / screensavers / blame
| Commit | Line | Data |
|---|---|---|
| 3144ee8a AT |
1 | /* pow2, Copyright (c) 2016 Dave Odell <dmo2118@gmail.com> |
| 2 | * | |
| 3 | * Permission to use, copy, modify, distribute, and sell this software and its | |
| 4 | * documentation for any purpose is hereby granted without fee, provided that | |
| 5 | * the above copyright notice appear in all copies and that both that | |
| 6 | * copyright notice and this permission notice appear in supporting | |
| 7 | * documentation. No representations are made about the suitability of this | |
| 8 | * software for any purpose. It is provided "as is" without express or | |
| 9 | * implied warranty. | |
| 10 | */ | |
| 11 | ||
| 12 | #ifndef POW2_H | |
| 13 | #define POW2_H | |
| 14 | ||
| 15 | #include <stdlib.h> | |
| 16 | ||
| 17 | extern int i_log2(size_t x); | |
| 18 | extern size_t to_pow2 (size_t x); /* return the next larger power of 2. */ | |
| 19 | ||
| 20 | #endif /* POW2_H */ |