[Numpy-discussion] Questions about the array interface.

Scott Gilbert xscottg at yahoo.com
Thu Apr 7 04:35:49 CDT 2005


--- Travis Oliphant <oliphant at ee.byu.edu> wrote:
> >
> > 2) As __array_strides__ is optional, I'd kind of like to have a 
> > __contiguous__ flag that I could just check, rather than checking for 
> > the existence of strides, then calculating what the strides should be, 
> > then checking them.
> 
> 
> I don't want to add too much.  The other approach is to establish a set 
> of helper functions in Python to check this sort of thing:   Thus, if 
> you can't handle a general array you check:
> 
> ndarray.iscontiguous(obj) 
> 
> where obj exports the array interface.
> 
> But, it could really go either way.   What do others think?
> 

I think this should definitely be done in the helper functions.  Having
extra attributes encode redundant information is a recipe for trouble.


Cheers,
    -Scott





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