[Numpy-discussion] Moving forward with value based casting

[Ralf Gommers]

On Fri, Jun 7, 2019 at 1:37 AM Nathaniel Smith <njs at pobox.com> wrote:

>
> My intuition is that what users actually want is for *native Python
> types* to be treated as having 'underspecified' dtypes, e.g. int is
> happy to coerce to int8/int32/int64/whatever, float is happy to coerce
> to float32/float64/whatever, but once you have a fully-specified numpy
> dtype, it should stay.
>

Thanks Nathaniel, I think this expresses a possible solution better than
anything I've seen on this list before. An explicit "underspecified types"
concept could make casting understandable.


> In any case, it would probably be helpful to start by just writing
> down the whole set of rules we have now, because I'm not sure anyone
> understands all the details...
>

+1

Ralf
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