Steven D'Aprano wrote: > I'd like to turn the question around ... what algorithms are there that > rely on NaN == NaN being True?
Absolutely anything that expects "x is y" to imply that "x == y". The builtin containers enforce this by checking identity before they check equality, but there are plenty of algorithms that won't. Cheers, Nick. -- Nick Coghlan | ncogh...@gmail.com | Brisbane, Australia --------------------------------------------------------------- _______________________________________________ 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
