Message 107726 - Python tracker

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Author	mark.dickinson
Recipients	debatem1, mark.dickinson
Date	2010-06-13.09:14:30
SpamBayes Score	3.1440052e-06
Marked as misclassified	No
Message-id	<1276420472.97.0.788193970614.issue8986@psf.upfronthosting.co.za>
In-reply-to

Content
Thanks for the report. What platform are you on? I'm not seeing this behaviour on OS X: Python 3.2a0 (py3k:81935M, Jun 12 2010, 10:01:38) [GCC 4.2.1 (Apple Inc. build 5659)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> from math import erfc >>> erfc(-28.0) 2.0 It should be easy to fix, since erfc is already 2.0 (to within machine accuracy) in that argument range, but I'd like to understand where the problem is coming from first.

Thanks for the report.  What platform are you on?  I'm not seeing this behaviour on OS X:

Python 3.2a0 (py3k:81935M, Jun 12 2010, 10:01:38) 
[GCC 4.2.1 (Apple Inc. build 5659)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from math import erfc
>>> erfc(-28.0)
2.0

It should be easy to fix, since erfc is already 2.0 (to within machine accuracy) in that argument range, but I'd like to understand where the problem is coming from first.

History
Date	User	Action	Args
2010-06-13 09:14:33	mark.dickinson	set	recipients: + mark.dickinson, debatem1
2010-06-13 09:14:32	mark.dickinson	set	messageid: <1276420472.97.0.788193970614.issue8986@psf.upfronthosting.co.za>
2010-06-13 09:14:31	mark.dickinson	link	issue8986 messages
2010-06-13 09:14:30	mark.dickinson	create