[Python-checkins] r73458 - python/branches/py3k/Doc/library/itertools.rst

[raymond.hettinger]

Author: raymond.hettinger
Date: Wed Jun 17 03:40:52 2009
New Revision: 73458

Log:
Add usage note.

Modified:
   python/branches/py3k/Doc/library/itertools.rst

Modified: python/branches/py3k/Doc/library/itertools.rst
==============================================================================
--- python/branches/py3k/Doc/library/itertools.rst	(original)
+++ python/branches/py3k/Doc/library/itertools.rst	Wed Jun 17 03:40:52 2009
@@ -235,6 +235,10 @@
               yield n
               n += step
 
+   When counting with floating point numbers, better accuracy can sometimes be
+   achieved by substituting multiplicative code such as: ``(start + step * i
+   for i in count())``.
+
    .. versionchanged:: 3.1
       added *step* argument and allowed non-integer arguments.