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Re: NaN comparisons - Call For Anecdotes

From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.lang.python
Subject Re: NaN comparisons - Call For Anecdotes
Date 2014-07-08 19:16 +0300
Organization A noiseless patient Spider
Message-ID <878uo3akqy.fsf@elektro.pacujo.net> (permalink)
References <53BC05FB.4050707@jmunch.dk> <mailman.11630.1404832805.18130.python-list@python.org>

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Chris Angelico <rosuav@gmail.com>:

> Why *should* all NaNs be equal to each other?

I appreciate why you can't say NaN is equal to NaN. However, shouldn't
the very comparison attempt trigger an arithmetic exception? After all,
so does a division by zero.


Marko

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Thread

Re: NaN comparisons - Call For Anecdotes Chris Angelico <rosuav@gmail.com> - 2014-07-09 01:19 +1000
  Re: NaN comparisons - Call For Anecdotes Marko Rauhamaa <marko@pacujo.net> - 2014-07-08 19:16 +0300
    Re: NaN comparisons - Call For Anecdotes Chris Angelico <rosuav@gmail.com> - 2014-07-09 02:27 +1000
      Re: NaN comparisons - Call For Anecdotes Marko Rauhamaa <marko@pacujo.net> - 2014-07-08 20:31 +0300
        Re: NaN comparisons - Call For Anecdotes Chris Angelico <rosuav@gmail.com> - 2014-07-09 03:54 +1000
        Re: NaN comparisons - Call For Anecdotes Chris Angelico <rosuav@gmail.com> - 2014-07-09 03:57 +1000
        Re: NaN comparisons - Call For Anecdotes Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-07-08 18:12 +0000
    Re: NaN comparisons - Call For Anecdotes Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-07-08 18:10 +0000

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