[llvm-commits] [zorg] r127818 - /zorg/trunk/lnt/lnt/viewer/GraphUtil.py

[Daniel Dunbar]

Author: ddunbar
Date: Thu Mar 17 12:36:48 2011
New Revision: 127818

URL: http://llvm.org/viewvc/llvm-project?rev=127818&view=rev
Log:
lnt.viewer.GraphUtil: Don't crash if linregress blows up.

Modified:
    zorg/trunk/lnt/lnt/viewer/GraphUtil.py

Modified: zorg/trunk/lnt/lnt/viewer/GraphUtil.py
URL: http://llvm.org/viewvc/llvm-project/zorg/trunk/lnt/lnt/viewer/GraphUtil.py?rev=127818&r1=127817&r2=127818&view=diff
==============================================================================
--- zorg/trunk/lnt/lnt/viewer/GraphUtil.py (original)
+++ zorg/trunk/lnt/lnt/viewer/GraphUtil.py Thu Mar 17 12:36:48 2011
@@ -88,11 +88,12 @@
             norm_xs = [(x - x_min) / (x_max - x_min)
                        for x in xs]
 
-            # FIXME: When can this raise ZeroDivisionError?
             try:
                 info = ext_stats.linregress(norm_xs, ys)
             except ZeroDivisionError:
                 info = None
+            except ValueError:
+                info = None
 
             if info is not None:
                 slope, intercept,_,_,_ = info