Re: [Multi] Proposal (was Re: Boost Digest, Vol 7345, Issue 1)

From: Artyom Beilis (artyom.beilis_at_[hidden])
Date: 2024-09-25 06:41:33

On Wed, Sep 25, 2024 at 1:11 AM Seth via Boost <boost_at_[hidden]> wrote:
>
> On Tue, Sep 24, 2024, at 9:09 PM, Artyom Beilis via Boost wrote:
> >> >> But, you making numpy-like library... otherwise you wouldn't be
> > Anyway there are other issues - as an example I was talking about
> > automatic broadcast
> > adding of shapes (5,1) and (2,5,10) that would normally boradcast
> > automatically to (2,5,10)
> > Something I'd expected to see in such a library
>
> Aren't you still defining "such a library" as the library that it just is not?
>
> I didn't see any evidence that arithmetic operations - of any kind - are supplied by the library, other than on iterators/indices. In fact, when scanning the docs, I find:
>
>
> Now I may be misunderstanding what you mean by "adding shapes", so maybe you clarify in a way that removes the confusion.
>

I mean adding tensors/arrays with boradcasting of dimensions as I
pointed before (like in np)

    a = np.zeros((5,1))
    b = np.zeros((2,5,10))
    c=a+b

How do you run it (even with per item Op)?

Artyom