Mesa (gallium-docs): docs: Clarify what truncate means.

Michał Król michal at kemper.freedesktop.org
Mon Jan 4 12:39:09 UTC 2010


Module: Mesa
Branch: gallium-docs
Commit: 07f416cdc9cfdbad6bbeee0cbd826252e93ed26e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=07f416cdc9cfdbad6bbeee0cbd826252e93ed26e

Author: Michal Krol <michal at vmware.com>
Date:   Mon Jan  4 13:21:32 2010 +0100

docs: Clarify what truncate means.

---

 src/gallium/docs/source/tgsi.rst |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

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




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