From: Monty <xiphmont@xiph.org>
Date: Sat, 13 Feb 2010 19:26:42 +0000 (+0000)
Subject: The rounding can cause a surprising amount of trouble in book creation.
X-Git-Tag: v1.3.3~101
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6e6f1fbf6fda69be5419b8fe20180f8cad9f6513;p=platform%2Fupstream%2Flibvorbis.git

The rounding can cause a surprising amount of trouble in book creation.


svn path=/trunk/vorbis/; revision=16897
---

diff --git a/lib/sharedbook.c b/lib/sharedbook.c
index 2b0b9ec..7cc96b0 100644
--- a/lib/sharedbook.c
+++ b/lib/sharedbook.c
@@ -52,7 +52,7 @@ long _float32_pack(float val){
     sign=0x80000000;
     val= -val;
   }
-  exp= floor(log(val)/log(2.f));
+  exp= floor(log(val)/log(2.f)+.001); //+epsilon
   mant=rint(ldexp(val,(VQ_FMAN-1)-exp));
   exp=(exp+VQ_FEXP_BIAS)<<VQ_FMAN;