From: Monty <xiphmont@xiph.org>
Date: Thu, 18 Jul 2002 01:41:59 +0000 (+0000)
Subject: Not really a bugfix, but 'correct' the confusing ilog2 which looks broken
X-Git-Tag: v1.3.3~698
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e03bb0404b577bafe9c8bc5233c1cc9eb58ce68e;p=platform%2Fupstream%2Flibvorbis.git

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
--- 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;
   }