I would like to make a C++ data structure that internally has a contiguous
buffer look like a Numpy array via the numpy ArrayInterface. I already have
this structure wrapped and usable in Python and things seem fairly straight
forward except I am not sure about the typekind field of the PyArrayInterface
structure. In the documentation (here
https://numpy.org/doc/stable/reference/c-api/types-and-structures.html#c.PyArrayInterface)
I see that typekind is a char and that there are values for some but not all
of the various C++ POD numeric types.. What typekind value should I use for
single precision floating point, 8 bit ineteger, 16 bit integer, etc etc?
Those types are all supported by Numpy, but I don't know what the typekind
value should be. Can you point to a list of vlaues?
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