# HG changeset patch
# User Max Brister <max@2bass.com>
# Date 1338082697 18000
# Node ID 972890bc9f3813a6e4127c23383f6fc08c39d43f
# Parent  51d4b1018efb23f6aa33ffc595e50d6e374dda87# Parent  e3da2a68d709399ac6f69aed68b168fbb8fdc15b
maint: periodic merge of default to jit

diff -r 51d4b1018efb -r 972890bc9f38 src/graphics.cc
--- a/src/graphics.cc	Sat May 26 20:30:28 2012 -0500
+++ b/src/graphics.cc	Sat May 26 20:38:17 2012 -0500
@@ -5928,8 +5928,17 @@
           // FIXME -- maybe this test should also be relative?
           if (std::abs (min_val - max_val) < sqrt (DBL_EPSILON))
             {
-              min_val *= 0.9;
-              max_val *= 1.1;
+              // Widen range when too small
+              if (min_val >= 0)
+                {
+                  min_val *= 0.9;
+                  max_val *= 1.1;
+                }
+              else
+                {
+                  min_val *= 1.1;
+                  max_val *= 0.9;
+                }
             }
           if (min_val > 0)
             {