Not really a bugfix, but 'correct' the confusing ilog2 which looks broken

svn path=/trunk/vorbis/; revision=3653

diff --git a/lib/floor1.c b/lib/floor1.c
index 8451ebc..338d02e 100644 (file)
--- a/lib/floor1.c
+++ b/lib/floor1.c
@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: floor backend 1 implementation
- last mod: $Id: floor1.c,v 1.23 2002/07/11 06:40:48 xiphmont Exp $
+ last mod: $Id: floor1.c,v 1.24 2002/07/18 01:41:59 xiphmont Exp $
 
  ********************************************************************/
 
@@ -95,7 +95,8 @@ static int ilog(unsigned int v){
 
 static int ilog2(unsigned int v){
   int ret=0;
-  while(v>1){
+  if(v)--v;
+  while(v){
     ret++;
     v>>=1;
   }