Message 155300 - Python tracker

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In-reply-to
Author	zbysz
Recipients	docs@python, zbysz
Date	2012年03月10日.09:35:11
SpamBayes Score	0.0025668114
Marked as misclassified	No
Message-id	<1331372112.92.0.532785259032.issue14245@psf.upfronthosting.co.za>

Content
http://docs.python.org/dev/faq/design.html#why-are-floating-point-calculations-so-inaccurate This whole paragraph is wrong since #9337 (Make float.__str__ behave identically to float.__repr__). """ The str() function prints fewer digits and this often results in the more sensible number that was probably intended: >>> 1.1 - 0.9 0.20000000000000007 >>> print(1.1 - 0.9) 0.2 """ Applies from 3.2 onwards.

Content

http://docs.python.org/dev/faq/design.html#why-are-floating-point-calculations-so-inaccurate
This whole paragraph is wrong since #9337 (Make float.__str__ behave identically to float.__repr__).
"""
The str() function prints fewer digits and this often results in the more sensible number that was probably intended:
>>> 1.1 - 0.9
0.20000000000000007
>>> print(1.1 - 0.9)
0.2
"""
Applies from 3.2 onwards.

History
Date	User	Action	Args
2012年03月10日 09:35:13	zbysz	set	recipients: + zbysz, docs@python
2012年03月10日 09:35:12	zbysz	set	messageid: <1331372112.92.0.532785259032.issue14245@psf.upfronthosting.co.za>
2012年03月10日 09:35:12	zbysz	link	issue14245 messages
2012年03月10日 09:35:11	zbysz	create

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