From ed4691ff366c508e88bb84cd2af22e381899e0a6 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 18 Nov 2017 08:12:17 -0500
Subject: [PATCH] Correct fuzz distance algorithm to ensure expected results

---
 MagickCore/compare.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MagickCore/compare.c b/MagickCore/compare.c
index beaf119ef..96a104518 100644
--- a/MagickCore/compare.c
+++ b/MagickCore/compare.c
@@ -384,6 +384,7 @@ static MagickBooleanType GetAbsoluteDistortion(const Image *image,
   */
   status=MagickTrue;
   fuzz=GetFuzzyColorDistance(image,reconstruct_image);
+  fuzz*=fuzz;
   rows=MagickMax(image->rows,reconstruct_image->rows);
   columns=MagickMax(image->columns,reconstruct_image->columns);
   image_view=AcquireVirtualCacheView(image,exception);
-- 
2.40.0