[Numpy-discussion] ctypes and numpy
zachary.pincus at yale.edu
Sat Nov 7 12:36:13 EST 2009
Check out this thread:
In shot, it can be done, but it can be tricky to make sure you don't
leak memory. A better option if possible is to pre-allocate the array
with numpy and pass that buffer into the C code -- but that's not
On Nov 6, 2009, at 10:18 PM, Chris Colbert wrote:
> Are you bound to using ctypes as the only option?
> This could be done quite easily in Cython...
> On Fri, Nov 6, 2009 at 1:57 PM, Trevor Clarke <trevor at notcows.com>
>> I've found some info on ctypes and numpy but it mostly tells me how
>> to pass
>> numpy objects to C funcs. I've got a C func which returns a
>> c_void_p to a
>> buffer and I'd like to access the data using numpy without creating
>> a copy
>> of the data. Could someone point me in the right direction?
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