Nick Maclaren schrieb: > That was the point of a previous posting of mine in this thread :-( > > You shouldn't, despite what IEEE 754 says, at least if you are > allowing for either portability or numeric validation. > > There are a huge number of good reasons why IEEE 754 signed zeroes > fit extremely badly into any normal programming language and are > seriously incompatible with numeric validation, but Python adds more. > Is there any other type where there are two values that are required > to be different, but where both the hash is required to be zero and > both are required to evaluate to False in truth value context?
Ah, you are proposing a semantic change, then: -0.0 will become unrepresentable, right? Regards, Martin _______________________________________________ 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
