[Cython] construction numpy arrays

[Dag Sverre Seljebotn]

Robert Bradshaw wrote:
> On Nov 13, 2008, at 6:35 AM, Uwe Schmitt wrote:
> 
>> Hi,
>>
>> is there a fast and simple way to convert a given
>> chunk of memory to a coresponding numpy array ?
>> Or do I have to construct the array entry by entry ?
> 
> You can grab the numpy underlying data as a void* and do a memcpy.  
> Perhaps you can even avoid the memcpy, but I'm not sure.
> 

There are ways of handing off the memory to NumPy arrays directly, but 
it is not very trivial. This question is better asked on the NumPy 
mailing list; as it's been answered in various forms there before and 
they will know it a lot better (I don't know the details myself).

-- 
Dag Sverre