From: cristy <urban-warrior@git.imagemagick.org>
Date: Fri, 10 Jan 2014 13:36:28 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~2911
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3dfa9ea90c8281fd712402034c282efd32e9b0b7;p=imagemagick

---

diff --git a/MagickCore/compare.c b/MagickCore/compare.c
index 87b6a5f58..225e7c565 100644
--- a/MagickCore/compare.c
+++ b/MagickCore/compare.c
@@ -1142,6 +1142,9 @@ static MagickBooleanType GetPerceptualHashDistortion(const Image *image,
       double
         difference;
 
+      if ((fabs(reconstruct_moments[channel].I[i]) < MagickEpsilon) ||
+          (fabs(image_moments[channel].I[i]) < MagickEpsilon))
+        continue;
       difference=log10(fabs(reconstruct_moments[channel].I[i]))-
          log10(fabs(image_moments[channel].I[i]));
       distortion[channel]+=difference*difference;
@@ -1200,6 +1203,9 @@ static MagickBooleanType GetPerceptualHashDistortion(const Image *image,
       double
         difference;
 
+      if ((fabs(reconstruct_moments[channel].I[i]) < MagickEpsilon) ||
+          (fabs(image_moments[channel].I[i]) < MagickEpsilon))
+        continue;
       difference=log10(fabs(reconstruct_moments[channel].I[i]))-
          log10(fabs(image_moments[channel].I[i]));
       distortion[channel]+=difference*difference;
diff --git a/MagickCore/statistic.c b/MagickCore/statistic.c
index 3718216d6..6c75f2eca 100644
--- a/MagickCore/statistic.c
+++ b/MagickCore/statistic.c
@@ -1565,7 +1565,7 @@ MagickExport ChannelMoments *GetImageMoments(const Image *image,
     */
     if (fabs(M00[channel]) < MagickEpsilon)
       continue;
-   channel_moments[channel].I[0]=M20[channel]+M02[channel];
+    channel_moments[channel].I[0]=M20[channel]+M02[channel];
     channel_moments[channel].I[1]=(M20[channel]-M02[channel])*
       (M20[channel]-M02[channel])+4.0*M11[channel]*M11[channel];
     channel_moments[channel].I[2]=(M30[channel]-3.0*M12[channel])*