Message 91020 - Python tracker

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Author	mark.dickinson
Recipients	christian.heimes, mark.dickinson, terry.reedy, tim.peters
Date	2009-07-28.22:29:05
SpamBayes Score	3.6104686e-10
Marked as misclassified	No
Message-id	<[email protected]>
In-reply-to

Content
An example of a case that's almost 3.5 ulps out (Python 2.6): Python 2.6.2 (r262:71600, Jul 8 2009, 09:56:31) [GCC 4.0.1 (Apple Inc. build 5490)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> from __future__ import division >>> m = 295147931372582273023 >>> n = 295147932265116303360 >>> m/n 0.99999999697597697 The correctly rounded result would be the float given by 0.9999999969759773.

An example of a case that's almost 3.5 ulps out (Python 2.6):

Python 2.6.2 (r262:71600, Jul  8 2009, 09:56:31) 
[GCC 4.0.1 (Apple Inc. build 5490)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from __future__ import division
>>> m = 295147931372582273023
>>> n = 295147932265116303360
>>> m/n
0.99999999697597697

The correctly rounded result would be the float given by 
0.9999999969759773.

History
Date	User	Action	Args
2009-07-28 22:29:07	mark.dickinson	set	recipients: + mark.dickinson, tim.peters, terry.reedy, christian.heimes
2009-07-28 22:29:06	mark.dickinson	set	messageid: <[email protected]>
2009-07-28 22:29:05	mark.dickinson	link	issue1811 messages
2009-07-28 22:29:05	mark.dickinson	create