From: Michal Krol <michal@vmware.com>
Date: Mon, 4 Jan 2010 12:21:32 +0000 (+0100)
Subject: docs: Clarify what truncate means.
X-Git-Tag: mesa-7.8~1823^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=07f416cdc9cfdbad6bbeee0cbd826252e93ed26e;p=platform%2Fupstream%2Fmesa.git

docs: Clarify what truncate means.
---

diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 028ddce..0a3aa4f 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -899,8 +899,6 @@ NOT - Bitwise Not
 
 TRUNC - Truncate
 
-XXX how is this different from floor?
-
 .. math::
 
   dst.x = trunc(src.x)
@@ -1130,7 +1128,7 @@ Functions
 
   round(x)          Round x.
 
-  trunc(x)          Truncate x.
+  trunc(x)          Truncate x, i.e. drop the fraction bits.
 
 
 Keywords