[Python-Dev] Floor division
Armin Rigo
arigo at tunes.org
Thu Jan 25 10:56:51 CET 2007
Hi Tim,
On Tue, Jan 23, 2007 at 05:14:29PM -0500, Tim Peters wrote:
> For some reason `decimal` implemented __mod__ as the proposed
> standard's "remainder" operation. That's the immediate source of your
> surprise. IMO `decimal` should not have implemented __mod__ at all,
> as Python's number-theoretic mod is not part of the proposed standard,
> is a poor basis for a floating-point mod regardess, and it was a
> mistake to implement decimal % decimal in a way so visibly different
> from float % float and integer % integer: it confuses the meaning of
> "%". That's your complaint, right?
Thanks for the clarification. Yes, it makes sense that __mod__,
__divmod__ and __floordiv__ on float and decimal would eventually follow
the same path as for complex (where they make even less sense and
already raise a DeprecationWarning).
A bientot,
Armin.
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