File ImageMagick-CVE-2021-20246.patch of Package ImageMagick.30356

From 8d25d94a363b104acd6ff23df7470aeedb806c51 Mon Sep 17 00:00:00 2001
From: Cristy <mikayla-grace@urban-warrior.org>
Date: Wed, 3 Feb 2021 15:50:41 -0500
Subject: [PATCH] https://github.com/ImageMagick/ImageMagick/issues/3195

---
 MagickCore/resample.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: ImageMagick-7.0.7-34/MagickCore/resample.c
===================================================================
--- ImageMagick-7.0.7-34.orig/MagickCore/resample.c	2018-05-20 17:55:43.000000000 +0200
+++ ImageMagick-7.0.7-34/MagickCore/resample.c	2021-02-23 10:06:49.220118183 +0100
@@ -1200,10 +1200,10 @@ MagickExport void ScaleResampleFilter(Re
   { register double scale;
 #if FILTER_LUT
     /* scale so that F = WLUT_WIDTH; -- hardcoded */
-    scale = (double)WLUT_WIDTH/F;
+    scale=(double) WLUT_WIDTH*PerceptibleReciprocal(F);
 #else
     /* scale so that F = resample_filter->F (support^2) */
-    scale = resample_filter->F/F;
+    scale=resample_filter->F*PerceptibleReciprocal(F);
 #endif
     resample_filter->A = A*scale;
     resample_filter->B = B*scale;