Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.python > #74190
| Path | csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail |
|---|---|
| From | Marko Rauhamaa <marko@pacujo.net> |
| Newsgroups | comp.lang.python |
| Subject | Re: NaN comparisons - Call For Anecdotes |
| Date | Tue, 08 Jul 2014 20:36:40 +0300 |
| Organization | A noiseless patient Spider |
| Lines | 21 |
| Message-ID | <87wqbn92hj.fsf@elektro.pacujo.net> (permalink) |
| References | <53BC05FB.4050707@jmunch.dk> <mailman.11644.1404840246.18130.python-list@python.org> |
| Mime-Version | 1.0 |
| Content-Type | text/plain; charset=us-ascii |
| Injection-Info | mx05.eternal-september.org; posting-host="ff5cf27ef3d5b31f034d3b72bdc27a41"; logging-data="3991"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/y9/quHoX8gW2LhfWH35gI" |
| User-Agent | Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) |
| Cancel-Lock | sha1:RvMTv+53g0r+y9e9d1zSO/9XG+Y= sha1:wpJBWAc5txO8AIqNUy/MXiSVBD0= |
| Xref | csiph.com comp.lang.python:74190 |
Show key headers only | View raw
Skip Montanaro <skip@pobox.com>:
> In addition to what others have written, I will add one thing. There
> are certainly situations where raising an exception is bad. Consider
> all the people in the scientific computing community doing fancy
> linear algebra sorts of things, often with missing data. They
> generally want NaN propagated and not have some long running
> calculation crash in the middle.
Do the scientific computers mind:
>>> 1 / 0
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ZeroDivisionError: division by zero
or would they prefer their fancy linear-algebraic computation to just
forge on?
Marko
Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Re: NaN comparisons - Call For Anecdotes Skip Montanaro <skip@pobox.com> - 2014-07-08 12:23 -0500
Re: NaN comparisons - Call For Anecdotes Marko Rauhamaa <marko@pacujo.net> - 2014-07-08 20:36 +0300
Re: NaN comparisons - Call For Anecdotes Skip Montanaro <skip@pobox.com> - 2014-07-08 12:49 -0500
csiph-web