Commit 375810eb authored by Josh Coalson's avatar Josh Coalson
Browse files

add FLAC__bitmath_ilog2_wide()

parent 2757af6c
......@@ -54,7 +54,16 @@
* ilog2(17) = 4
* ilog2(18) = 4
*/
unsigned FLAC__bitmath_ilog2(unsigned v)
unsigned FLAC__bitmath_ilog2(FLAC__uint32 v)
{
unsigned l = 0;
FLAC__ASSERT(v > 0);
while(v >>= 1)
l++;
return l;
}
unsigned FLAC__bitmath_ilog2_wide(FLAC__uint64 v)
{
unsigned l = 0;
FLAC__ASSERT(v > 0);
......
......@@ -34,7 +34,8 @@
#include "FLAC/ordinals.h"
unsigned FLAC__bitmath_ilog2(unsigned v);
unsigned FLAC__bitmath_ilog2(FLAC__uint32 v);
unsigned FLAC__bitmath_ilog2_wide(FLAC__uint64 v);
unsigned FLAC__bitmath_silog2(int v);
unsigned FLAC__bitmath_silog2_wide(FLAC__int64 v);
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment