From 3a02624059871dda84c376a94f01a20af5391d2b Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Wed, 17 Jun 2009 01:43:47 +0000
Subject: Add usage note.

---
 Doc/library/itertools.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 918918c..eb6306f 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -245,6 +245,10 @@ loops that truncate the stream.
               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.
 
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