From: Guido van Rossum <guido@python.org>
Date: Tue, 3 Dec 1991 17:25:52 +0000 (+0000)
Subject: Fix division by zero in some cases.
X-Git-Tag: v0.9.8~724
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=696f91151c6fe3d885fc658056c3fd19aceb4943;p=thirdparty%2FPython%2Fcpython.git

Fix division by zero in some cases.
---

diff --git a/Demo/sgi/video/video.py b/Demo/sgi/video/video.py
index d9872d5ef052..da2d2c72336d 100755
--- a/Demo/sgi/video/video.py
+++ b/Demo/sgi/video/video.py
@@ -98,11 +98,12 @@ def initcmap(ybits,ibits,qbits,chrompack):
     for y in range(maxy):
       yv = float(y)/float(maxy-1)
       for i in range(maxi):
-	iv = (float(i)/float(maxi-1))-0.5
+      	if maxi = 1: iv = 0
+	else: iv = (float(i)/float(maxi-1))-0.5
 	for q in range(maxq):
-	  qv = (float(q)/float(maxq-1))-0.5
+	  if maxq = 1: qv = 0
+	  else: qv = (float(q)/float(maxq-1))-0.5
 	  index = 2048 + y + (i << ybits) + (q << (ybits+ibits))
-
 	  rv,gv,bv = colorsys.yiq_to_rgb(yv,iv,qv)
 	  r,g,b = int(rv*255.0), int(gv*255.0), int(bv*255.0)
 	  if index < 4096 - 256: