[Python-Dev] Decimal <-> float comparisons in py3k.

[Greg Ewing]

Mark Dickinson wrote:
> On Tue, Mar 16, 2010 at 3:58 PM, P.J. Eby <pje at telecommunity.com> wrote:
> 
>>If not, it might be confusing if a number that prints as '.1' compares
>>unequal to Decimal('.1').
> 
> Agreed, but this is just your everyday floating-point confusion, to be
> dealt with by social means (e.g., educating the programmer).

Seems to me that this education would mostly consist of saying
"don't compare floats and decimals", which is why I think that
disallowing them in the first place would be better.

Then if a programmer truly needs to compare them for some
reason, he has to be explicit about how to do it.

-- 
Greg