From 8994acc6a83b9653fc8c814bbb163a743b081851 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=98yvind=20Kol=C3=A5s?= <pippin@gimp.org>
Date: Sat, 31 Mar 2012 00:50:51 +0100
Subject: [PATCH] app: handle negative fractions correctly in spinscale

---
 app/widgets/gimpspinscale.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/widgets/gimpspinscale.c b/app/widgets/gimpspinscale.c
index 445763c02c..245d4de346 100644
--- a/app/widgets/gimpspinscale.c
+++ b/app/widgets/gimpspinscale.c
@@ -464,7 +464,8 @@ gimp_spin_scale_change_value (GtkWidget *widget,
       gdouble fraction;
 
       fraction = x / (gdouble) width;
-      fraction = pow (fraction, private->gamma);
+      if (fraction > 0.0)
+        fraction = pow (fraction, private->gamma);
 
       value = fraction * (upper - lower) + lower;
     }