[Numpy-discussion] Fwd: Allowing broadcasting of code dimensions in generalized ufuncs

Marten van Kerkwijk m.h.vankerkwijk at gmail.com
Sat Jun 30 09:51:15 EDT 2018

Hi All,

In case it was missed because people have tuned out of the thread: Matti
and I proposed last Tuesday to accept NEP 20 (on coming Tuesday, as per NEP
0), which introduces notation for generalized ufuncs allowing fixed,
flexible and broadcastable core dimensions. For one thing, this will allow
Matti to finish his work on making matmul a gufunc.

See http://www.numpy.org/neps/nep-0020-gufunc-signature-enhancement.html

All the best,


---------- Forwarded message ----------
From: Marten van Kerkwijk <m.h.vankerkwijk at gmail.com>
Date: Tue, Jun 26, 2018 at 2:25 PM
Subject: Re: [Numpy-discussion] Allowing broadcasting of code dimensions in
generalized ufuncs
To: Discussion of Numerical Python <numpy-discussion at python.org>

Hi All,

Matti asked me to make a PR accepting my own NEP -

Any objections?

As noted in my earlier summary of the discussion, in principle we can
choose to accept only parts, although I think it became clear that the most
contentious is also the one arguably most needed, the flexible dimensions
for matmul.

Moving forward has the advantage that in 1.16 we will actually be able to
deal with matmul.

All the best,

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