[Numpy-discussion] Change of signature for copyswap function ?
oliphant.travis at ieee.org
Thu Aug 10 07:55:29 CDT 2006
Pierre Barbier de Reuille wrote:
> in my documentation, the copyswap function in the PyArray_ArrFuncs
> structure is supposed to have this signature:
> copyswap (void) (void* dest, void* src, int swap, int itemsize)
> However, in the latest version of NumPy, the signature is:
> copyswap (void) (void*, void*, int, void*)
> My question is: what correspond to the last void* ?
It's only needed for FLEXIBLE arrays (STRING, UNICODE, VOID), then you
pass in an array whose ->descr member has the right itemsize.
Look in core/src/arratypes for the definitions of the copyswap functions
which can be helpful to see if arguments are actually needed.
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