[Numpy-discussion] Creating PyArrayObject in C++
Stéfan van der Walt
Tue Jul 7 17:20:16 CDT 2009
2009/7/7 Kenny Abernathy <email@example.com>:
> I can guarantee that all analysis will be finished before the Unit object is
> destroyed and delete is called, so I don't think that's a problem.
There is a neat trick to make sure things don't get deallocated out of order:
> However, what if there are modifications to the array from within a Python
> script (specifically changes to the number of elements in the array). I
> should be able to get the new size from PyArrayObject, but will it have any
> effect on the delete operation?
NumPy won't reallocate any of your memory if you set the array flag
OWNDATA to False, so it should be safe to deallocate as usual.
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