On Tue, Mar 16, 2010 at 2:58 PM, Facundo Batista
<facundobatista at gmail.com> wrote:
> On Tue, Mar 16, 2010 at 9:41 AM, Mark Dickinson <dickinsm at gmail.com> wrote:
>
>> On the one hand there's something to be said for maintaining a clean
>> separation between the float and Decimal types, allowing only explicit
>> conversions from one to the other; mixed-type arithmetic between
>> floats and Decimals was very deliberately not permitted in the
>> original PEP, and that's unlikely to change in a hurry. On the other
>
> But, to be fair, we didn't have "true value of the float at that time".
That's true. I'd still be reluctant to start supporting operations
like Decimal('1.2') + 0.71, though. At least comparisons have the
nice feature that the return type is unambiguous.
>
> I'm +0 to allow these comparisons, being "Decimal(1) < .3" the same as
> "Decimal(1) < Decimal.from_float(.3)"
Yes, I should have clarified that those are exactly the semantics I'm proposing.
Thanks!
Mark
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