[Python-checkins] r73459 - python/trunk/Doc/library/itertools.rst

[raymond.hettinger]

Author: raymond.hettinger
Date: Wed Jun 17 03:43:47 2009
New Revision: 73459

Log:
Add usage note.

Modified:
   python/trunk/Doc/library/itertools.rst

Modified: python/trunk/Doc/library/itertools.rst
==============================================================================
--- python/trunk/Doc/library/itertools.rst	(original)
+++ python/trunk/Doc/library/itertools.rst	Wed Jun 17 03:43:47 2009
@@ -245,6 +245,10 @@
               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:: 2.7
       added *step* argument and allowed non-integer arguments.