From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 30 Sep 2005 15:03:33 +0000 (+0000)
Subject: use fmod() to prevent overflow of angle variable
X-Git-Tag: android-x86-1.6~4472
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=d0529b67f48507ce52ce06305fb2673f5beb2851;p=android-x86%2Fexternal-mesa.git

use fmod() to prevent overflow of angle variable
---

diff --git a/progs/demos/gears.c b/progs/demos/gears.c
index 679fac44893..ab9bc007421 100644
--- a/progs/demos/gears.c
+++ b/progs/demos/gears.c
@@ -234,7 +234,9 @@ idle(void)
   dt = t - t0;
   t0 = t;
 
-  angle += 70.0 * dt;  /* 90 degrees per second */
+  angle += 70.0 * dt;  /* 70 degrees per second */
+  angle = fmod(angle, 360.0); /* prevents eventual overflow */
+
   glutPostRedisplay();
 }