From: cristy <urban-warrior@git.imagemagick.org>
Date: Wed, 9 Apr 2014 10:23:51 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~2473
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a61ccc722985eb095c0caba10d3b770bbf7d22a2;p=imagemagick

---

diff --git a/MagickCore/effect.c b/MagickCore/effect.c
index d727753fc..175b34bcf 100644
--- a/MagickCore/effect.c
+++ b/MagickCore/effect.c
@@ -1137,7 +1137,7 @@ MagickExport Image *CannyEdgeImage(const Image *image,const double radius,
       }
       pixel.magnitude=sqrt(dx*dx+dy*dy);
       pixel.orientation=0;
-      if (dx != 0.0)
+      if (fabs(dx) > MagickEpsilon)
         {
           double
             theta;