SF.net SVN: matplotlib:[8891] branches/v1_0_maint/lib/matplotlib/ticker.py

[<wea...@us...>]

Revision: 8891
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8891&view=rev
Author:   weathergod
Date:     2011-01-05 17:44:17 +0000 (Wed, 05 Jan 2011)

Log Message:
-----------
Applying a similar fix to r8873 which seemed to only have been applied to the development branch.
This fixes a math domain error when using log scales.

Modified Paths:
--------------
    branches/v1_0_maint/lib/matplotlib/ticker.py

Modified: branches/v1_0_maint/lib/matplotlib/ticker.py
===================================================================
--- branches/v1_0_maint/lib/matplotlib/ticker.py	2011-01-05 16:29:53 UTC (rev 8890)
+++ branches/v1_0_maint/lib/matplotlib/ticker.py	2011-01-05 17:44:17 UTC (rev 8891)
@@ -1194,7 +1194,7 @@
         return False
     if x == 0.0:
         return True
-    lx = math.log(x)/math.log(base)
+    lx = math.log(abs(x))/math.log(base)
     return is_close_to_int(lx)
 
 def is_close_to_int(x):


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