From: cristy <urban-warrior@git.imagemagick.org>
Date: Mon, 22 Apr 2013 15:59:50 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~3826
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dd19d251e96a184b64667833eb8cfaeaa8703f9d;p=imagemagick

---

diff --git a/MagickCore/enhance.c b/MagickCore/enhance.c
index f45a296fe..2dfca2f57 100644
--- a/MagickCore/enhance.c
+++ b/MagickCore/enhance.c
@@ -2328,7 +2328,7 @@ static inline double LevelPixel(const double black_point,
   scale=(white_point != black_point) ? 1.0/(white_point-black_point) : 1.0;
   level_pixel=(double) QuantumRange*pow(scale*((double) pixel-
     black_point),1.0/gamma);
-  return(level_pixel);
+  return((MagickRealType) (IsNaN(level_pixel) ? 0.0 : level_pixel));
 }
 
 MagickExport MagickBooleanType LevelImage(Image *image,const double black_point,