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Diffstat (limited to 'utils/pow2.h')
| -rw-r--r-- | utils/pow2.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/utils/pow2.h b/utils/pow2.h new file mode 100644 index 0000000..3927e84 --- /dev/null +++ b/utils/pow2.h @@ -0,0 +1,20 @@ +/* pow2, Copyright (c) 2016 Dave Odell <dmo2118@gmail.com> + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + */ + +#ifndef POW2_H +#define POW2_H + +#include <stdlib.h> + +extern int i_log2(size_t x); +extern size_t to_pow2 (size_t x); /* return the next larger power of 2. */ + +#endif /* POW2_H */ |