From b45b69a63f58adab68bac8fde2d9d075f5aa3b1c Mon Sep 17 00:00:00 2001
From: nicolas <nicolas@git.imagemagick.org>
Date: Sat, 15 Sep 2012 20:00:31 +0000
Subject: [PATCH]

---
 MagickCore/enhance.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MagickCore/enhance.c b/MagickCore/enhance.c
index fb08f8a84..1edd8b623 100644
--- a/MagickCore/enhance.c
+++ b/MagickCore/enhance.c
@@ -3350,7 +3350,8 @@ static inline double InverseScaledSigmoidal(const double a,const double b,
   const double x)
 {
   const double sig0=Sigmoidal(a,b,0.0);
-  const double argument=(Sigmoidal(a,b,1.0)-sig0)*x+sig0;
+  const double sig1=Sigmoidal(a,b,1.0);
+  const double argument=(sig1-sig0)*x+sig0;
   const double clamped=
     (
 #if defined(MAGICKCORE_HAVE_ATANH)
-- 
2.50.1