diff options
author | Simon Rettberg | 2018-10-16 10:08:48 +0200 |
---|---|---|
committer | Simon Rettberg | 2018-10-16 10:08:48 +0200 |
commit | d3a98cf6cbc3bd0b9efc570f58e8812c03931c18 (patch) | |
tree | cbddf8e50f35a9c6e878a5bfe3c6d625d99e12ba /utils/pow2.h | |
download | xscreensaver-d3a98cf6cbc3bd0b9efc570f58e8812c03931c18.tar.gz xscreensaver-d3a98cf6cbc3bd0b9efc570f58e8812c03931c18.tar.xz xscreensaver-d3a98cf6cbc3bd0b9efc570f58e8812c03931c18.zip |
Original 5.40
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 */ |