[Numpy-discussion] Would a patch with a function for incrementing an array with advanced indexing be accepted?

Frédéric Bastien nouiz@nouiz....
Tue Jun 26 13:34:58 CDT 2012


Hi,

I think he was referring that making NUMPY_ARRAY_OBJECT[...] syntax
support the operation that you said is hard. But having a separate
function do it is less complicated as you said.

Fred

On Tue, Jun 26, 2012 at 1:27 PM, John Salvatier
<jsalvati@u.washington.edu> wrote:
> Can you clarify why it would be super hard? I just reused the code for
> advanced indexing (a modification of PyArray_SetMap). Am I missing something
> crucial?
>
>
>
> On Tue, Jun 26, 2012 at 9:57 AM, Travis Oliphant <travis@continuum.io>
> wrote:
>>
>>
>> On Jun 26, 2012, at 11:46 AM, John Salvatier wrote:
>>
>> Hello,
>>
>> If you increment an array using advanced indexing and have repeated
>> indexes, the array doesn't get repeatedly
>> incremented, http://comments.gmane.org/gmane.comp.python.numeric.general/50291.
>> I wrote a C function that does incrementing with repeated indexes correctly.
>> The branch is here (https://github.com/jsalvatier/numpy see the last two
>> commits). Would a patch with a cleaned up version of a function like this be
>> accepted into numpy? I'm not experienced writing numpy C code so I'm sure it
>> still needs improvement.
>>
>>
>> This is great.   It is an often-requested feature.   It's *very difficult*
>> to do without changing fundamentally what NumPy is.  But, yes this would be
>> a great pull request.
>>
>> Thanks,
>>
>> -Travis
>>
>>
>>
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