On Mon, Mar 22, 2010 at 10:22 AM, Alexander Belopolsky <alexander.belopol...@gmail.com> wrote: > On Mon, Mar 22, 2010 at 1:56 PM, Raymond Hettinger > <raymond.hettin...@gmail.com> wrote: >> >> On Mar 22, 2010, at 10:00 AM, Guido van Rossum wrote: >> >> Decimal + float --> Decimal >> >> If everybody associated with the Decimal implementation wants this I >> won't stop you; as I repeatedly said my intuition about this one (as >> opposed to the other two above) is very weak. >> >> That's my vote. > > I've been lurking on this thread so far, but let me add my +1 to this > option. My reasoning is that Decimal is a "better" model of Real than > float and mixed operations should not degrade the result. "Better" > can mean different things to different people, but to me the tie > breaker is the support for contexts. I would not want precision to > suddenly change in the middle of calculation I add 1.0 instead of 1. > > This behavior will also be familiar to users of other "enhanced" > numeric types such as NumPy scalars. Note that in the older Numeric, > it was the other way around, but after considerable discussion, the > behavior was changed.
Thanks, "better" is a great way to express this. -- --Guido van Rossum (python.org/~guido) _______________________________________________ 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
