From: Cristy <urban-warrior@imagemagick.org>
Date: Wed, 30 Mar 2016 13:10:58 +0000 (-0400)
Subject: https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=29374
X-Git-Tag: 7.0.1-0~104
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6831e2f47f00e8b78275319e4aec01d120a3876f;p=imagemagick

https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=29374
---

diff --git a/MagickCore/fourier.c b/MagickCore/fourier.c
index c12f54b61..5265f07e8 100644
--- a/MagickCore/fourier.c
+++ b/MagickCore/fourier.c
@@ -460,14 +460,14 @@ static MagickBooleanType ForwardQuadrantSwap(const size_t width,
   if (status == MagickFalse)
     return(MagickFalse);
   for (y=0L; y < (ssize_t) height; y++)
-    for (x=0L; x < (ssize_t) (width/2L-1L); x++)
+    for (x=0L; x < (ssize_t) (width/2L); x++)
       forward_pixels[y*width+x+width/2L]=source_pixels[y*center+x];
   for (y=1; y < (ssize_t) height; y++)
-    for (x=0L; x < (ssize_t) (width/2L-1L); x++)
+    for (x=0L; x < (ssize_t) (width/2L); x++)
       forward_pixels[(height-y)*width+width/2L-x-1L]=
         source_pixels[y*center+x+1L];
   for (x=0L; x < (ssize_t) (width/2L); x++)
-    forward_pixels[-x+width/2L-1L]=forward_pixels[x+width/2L+1L];
+    forward_pixels[width/2L-x-1L]=source_pixels[x+1L];
   return(MagickTrue);
 }