[Numpy-discussion] subclassing array in c

Christoph Gohle christoph.gohle@mpq.mpg...
Thu Mar 29 03:07:32 CDT 2012


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Am 08.03.2012 um 20:39 schrieb Pauli Virtanen:

> 08.03.2012 17:37, Christoph Gohle kirjoitti:
>> thanks for testing. I have now tried on different platforms. I get
>> all kinds of crashes on os x (now with numpy 1.6.1) and windows
>> with numpy 1.6.0. On Ubuntu with numpy 1.3.0 I get a hughe memory
>> leak...
>> 
>> Any hints would be welcome.
> 
> The type object inherits `tp_alloc` from Numpy. This routine always
> allocates memory of size NPY_SIZEOF_PYARRAYOBJECT for the
> PyArrayObject. Therefore, the write to new->unit in your
> __array_finalize__ goes to unallocated memory.
do you think, I should submit a bugreport?

Cheers,
Christoph


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