Steven D'Aprano wrote:
(It's also called Dutch Rounding.)
Oh, so *that's* why Python does it! Fair enough. :-)
Similarly for differences. If you perform many subtractions (let's say you are paying off a loan, and calculating interest, then rounding to the nearest cent) you have to care about bias.
If I'm paying off a loan, it's what the bank calculates that matters, not what I calculate. And I hope the bank isn't relying on the vagaries of Python floating point arithmetic for its critical financial calculations. -- Greg _______________________________________________ Python-Dev mailing list [email protected] https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com