[Numpy-discussion] [help needed] associativity and precedence of '@'

[Christophe Bal]

I think that there is very big misunderstanding. My point of view is both a
mathematical and a programmagical one.
Le 18 mars 2014 20:20, "Nathaniel Smith" <njs at pobox.com> a écrit :

> On 18 Mar 2014 17:32, "Christophe Bal" <projetmbc at gmail.com> wrote:
> >
> > This is a different situation because / is indeed an hidden
> multiplication : a/b = a*inv(b). The same is true for + and - :
> a-b=a+opp(b). What I'm saying is that these operations * and / are indeed
> of the very same j-kind.
> >
> > This is not the same for * and @.
>
> // (floordiv) isn't equivalent to a multiplication, but it is also at the
> same level. << and >> aren't inverses, but they are at the same level. 'in'
> and 'is' are not even the same type (they have totally different
> requirements on their right argument) but they are at the same level.
> Whatever choice we make needs to be something we can justify, and our
> justification should probably not imply that all of python's other
> operators are wrong ;-).
>
> -n
>
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