[Cython] Cython array type: Summary, introducing CEP 518

[Dag Sverre Seljebotn]

Corrections, corrections...

Dag Sverre Seljebotn wrote:
> Then, some options:
> 
> OPTION A:
>    int[::stridespec,::stridespec]
>    int[0::stridespec,::stridespec] -- default stridespec, but do not 
> wraparound on first dim

Forget "default stridespec" part of that sentence.

> Default stridespec possible.
> 
> OPTION B:
>    SomeWord[int, ::stridespec, ::stridespec]
>    SomeWord[int, 0::stridespec, ::stridespec]
> 
> Default stridespec possible. Looks odd to me with the type on the "first 
> dimension".
> 
> OPTION C:
>    SomeWord[int, (stridespec, stridespec)]
>    SomeWord[int, (stridespec, stridespec), (False, True)]
> 
> Default stridespec not possible (unless perhaps on all strides at the 
> same time: SomeWord[int])

No, you still need to know number of dimensions, so default stridespec 
not possible with this option. But "ndim=3" could be shorthand for 
(defaultstridespec, )*3.

-- 
Dag Sverre