Message 171016 - Python tracker

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Author	loewis
Recipients	amaury.forgeotdarc, asvetlov, eric.smith, larry, loewis, mark.dickinson, meador.inge, pitrou, rhettinger, sdaoden, serhiy.storchaka, stutzbach, vstinner, xuanji
Date	2012年09月22日.22:44:44
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<20120923004444.Horde.NxBbTcL8999QXj9cHmuCiqA@webmail.df.eu>
In-reply-to	<201209221950.56855.storchaka@gmail.com>

Content
Zitat von Serhiy Storchaka <report@bugs.python.org>: >> I recommend to close the issue as rejected. > > I think _PyLong_IS_SMALL_INT can be rewritten in a safe style. For > example, using a checking of several fields > ((sdigit)(x)->ob_digit[0] < _MAX_SMALL_INT && PySIZE(x) <= 1) or a > special flag. It is possible however that shuch checking will fully > destroy the effect of optimization. We need further research. Do we need to keep this issue open while this research is being carried out? This issue is already cluttered with the undefined-behavior discussion.

Content

Zitat von Serhiy Storchaka <report@bugs.python.org>:
>> I recommend to close the issue as rejected.
>
> I think _PyLong_IS_SMALL_INT can be rewritten in a safe style. For 
> example, using a checking of several fields 
> ((sdigit)(x)->ob_digit[0] < _MAX_SMALL_INT && PySIZE(x) <= 1) or a
> special flag. It is possible however that shuch checking will fully 
> destroy the effect of optimization. We need further research.
Do we need to keep this issue open while this research is being carried
out? This issue is already cluttered with the undefined-behavior discussion.

History
Date	User	Action	Args
2012年09月22日 22:44:45	loewis	set	recipients: + loewis, rhettinger, amaury.forgeotdarc, mark.dickinson, pitrou, vstinner, larry, eric.smith, stutzbach, asvetlov, meador.inge, xuanji, sdaoden, serhiy.storchaka
2012年09月22日 22:44:44	loewis	link	issue10044 messages
2012年09月22日 22:44:44	loewis	create

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