[Numpy-discussion] miniNEP 2: NA support via special dtypes

[Nathaniel Smith]

On Wed, Jul 6, 2011 at 7:01 PM, Charles R Harris
<charlesr.harris at gmail.com> wrote:
>> Numpy already has a general mechanism for defining new dtypes and
>> slotting them in so that they're supported by ndarrays, by the casting
>> machinery, by ufuncs, and so on. In principle, we could implement
>
> Well, actually not in any useful sense, take a look at what Mark went
> through for the half floats. There is a reason the NEP went with
> parametrized dtypes and masks. But we would sure welcome a plan and code to
> make it true, it is one of the areas that could really use improvement.

Err, yes, that's basically what the next few sentences say?

This is basically a draft spec for implementing the parametrized dtypes idea.

-- Nathaniel