From 302450a001fdadf70c8ab304d97de89de7a989c2 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Mon, 8 Nov 2010 00:57:42 -0500
Subject: Fix color_map values for negative parameters.

---
 libdimension/color_map.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libdimension')

diff --git a/libdimension/color_map.c b/libdimension/color_map.c
index 4832e87..f567db6 100644
--- a/libdimension/color_map.c
+++ b/libdimension/color_map.c
@@ -65,6 +65,10 @@ dmnsn_color_map_value(const dmnsn_color_map *map, double n)
   double n1, n2 = 0.0;
   dmnsn_color c1, c2 = entry->color;
 
+  if (n < n2) {
+    return c2;
+  }
+
   for (; entry <= (dmnsn_color_map_entry *)dmnsn_array_last(map); ++entry) {
     n1 = n2;
     c1 = c2;
-- 
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