[Numpy-discussion] detecting shared data
Matthew Koichi Grimes
mkg at cs.nyu.edu
Wed Apr 11 18:37:05 EDT 2007
It's better than nothing. I basically want some sanity-check assert code
that can assert that some arrays are in fact sub-arrays of another
array. Your OWNDATA suggestion meets me halfway by allowing me to check
that these sub-arrays are at least sub-arrays of *someone*.
Thanks,
-- Matt
Pierre GM wrote:
> On Wednesday 11 April 2007 18:12:16 Matthew Koichi Grimes wrote:
>
>> Is there any way to detect whether one array is a view into another
>>
>> array? I'd like something like:
>> >>> arr = N.arange(5)
>> >>> subarr = arr[1:3]
>> >>> sharesdata(arr, subarr)
>>
>
> Mmh, would arr.flags['OWNDATA'] would do the trick ?
> p.
>
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