-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/25/2010 07:54 AM, Georg Brandl wrote: >>>>>> float('nan') in [float('nan')] >>> False >> >> Sure, but just think of it as having two different nans there. (You >> could imagine thinking of the id of the nan as part of the payload.) > > That's interesting. Thinking of each value created by float('nan') as > a different nan makes sense to my naive mind, and it also explains > nicely the behavior present right now. Each nan comes from a different > operation and therefore is a "different" non-number.
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". - -- Jesus Cea Avion _/_/ _/_/_/ _/_/_/ j...@jcea.es - http://www.jcea.es/ _/_/ _/_/ _/_/ _/_/ _/_/ jabber / xmpp:j...@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/ iQCVAwUBS6tYzJlgi5GaxT1NAQL7kgP+LqjzNKOkSOZ+gTvgKfUTrF1poNP1VMC4 1LTkCcpFQYUoc4d8kk6lmzN7RdBesidbnVC2SApKTdNTAfbKMB3hjkTIzoxbx9wf sLb5IUSqhtc+xJ+JQFepQwA7YLa64AVI23/wZcJCkqCBIg6S5DuGxhWErr3TXVgF GqcZjhvD2lA= =AVOO -----END PGP SIGNATURE----- _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com