[Python-Dev] Why is nan != nan? (original) (raw)
Jesus Cea jcea at jcea.es
Thu Mar 25 18:39:09 CET 2010
- Previous message: [Python-Dev] Why is nan != nan?
- Next message: [Python-Dev] Why is nan != nan?
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
On 03/25/2010 03:19 PM, Steven D'Aprano wrote:
On Thu, 25 Mar 2010 11:36:28 pm Jesus Cea wrote:
Infinites are "not equal" for a good reason, for example.
1/0 and 2/0 are both infinites, but one is "greater" than the other. Or (1/0)^(1/0), an infinite infinitelly "bigger". I think you're mistaken. In Python 3.1:
I was refering to mathematical infinites and why inf!=inf is sensible and a natural consequence calculus and limits (mathematically).
In any case, I am an engineer, not a mathematical or a language designer :). IANAL.
Jesus Cea Avion // /// /// jcea at jcea.es - http://www.jcea.es/ // // // // // jabber / xmpp:jcea at jabber.org // // ///// . // // // // // "Things are not so easy" // // // // // // "My name is Dump, Core Dump" /// //_/ // // "El amor es poner tu felicidad en la felicidad de otro" - Leibniz -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
iQCVAwUBS6ufvJlgi5GaxT1NAQKrpQP+PbbNP6tNtPi480/ovki89DEDNqvKH4RU A/R6jLXwm7byF0RQ+3B9gUh8SfANQaTOeCOYufUJHXPDM3BHsmt2S1kcPoW5sUYe a38nUuD0sTyCV23h2QtzZpNGG7qNa6iHTMEc6vYgY3CdfCw+301xdqH0ZkmXV1B9 OIrj7ec7m+s= =rTUf -----END PGP SIGNATURE-----
- Previous message: [Python-Dev] Why is nan != nan?
- Next message: [Python-Dev] Why is nan != nan?
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]