[Python-checkins] r77067 - in python/branches/py3k: Lib/test/test_long.py

[mark.dickinson]

Author: mark.dickinson
Date: Sun Dec 27 20:03:31 2009
New Revision: 77067

Log:
Merged revisions 77066 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r77066 | mark.dickinson | 2009-12-27 16:16:02 +0000 (Sun, 27 Dec 2009) | 1 line
  
  Use ldexp(q, exp) instead of q*2.**exp in true division test, to avoid bogus failures on platforms with broken pow (e.g., Ubuntu/ia64).
........


Modified:
   python/branches/py3k/   (props changed)
   python/branches/py3k/Lib/test/test_long.py

Modified: python/branches/py3k/Lib/test/test_long.py
==============================================================================
--- python/branches/py3k/Lib/test/test_long.py	(original)
+++ python/branches/py3k/Lib/test/test_long.py	Sun Dec 27 20:03:31 2009
@@ -73,7 +73,7 @@
     if 2*r > b or 2*r == b and q % 2 == 1:
         q += 1
 
-    result = float(q) * 2.**exp
+    result = math.ldexp(q, exp)
     return -result if negative else result