[Numpy-discussion] A little about XND (original) (raw)

Travis Oliphant teoliphant at gmail.com
Mon Jun 18 01:32:00 EDT 2018

On Sun, Jun 17, 2018, 7:48 PM Marten van Kerkwijk <m.h.vankerkwijk at gmail.com> wrote:

Hi Travis,

More of a detailed question, but as we are currently thinking about extending the signature of gufuncs (i.e., things like (m,n),(n,p)->(m,p) for matrix multiplication), and as you must have thought about this for libgufunc, could you point me to how one would document the signature in your new system? (I briefly tried but there's no docs yet and I couldn't immediately find it in the code). If it is at all similar to numpy's and you have extended it, we should at least check whether we can do the same thing.

I have been reading with interest these gufunc proposals and have pointed it out to the gumath devs. Right now, gumath doesn't go much beyond NumPy's syntax except for use of a more extensible type system. It uses the same notion of the dimension signature, though with a syntax derived from datashape which you can read more about here: http://datashape.readthedocs.io/en/latest/

Stefan Krah, Pearu, or Saul may have more comments.

Thanks,

-Travis

Thanks, all best wishes,

Marten

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