Add usage note.

5bc472a9 · Raymond Hettinger · c43a26da · 5bc472a9
Kaydet (Commit) 5bc472a9 authored Haz 17, 2009 tarafından Raymond Hettinger
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itertools.rst Doc/library/itertools.rst +4 -0

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--- a/Doc/library/itertools.rst
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@@ -235,6 +235,10 @@ 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:: 3.1
      added *step* argument and allowed non-integer arguments.