pub unsafe extern "C" fn ippiFastNInit(
srcSize: IppiSize,
circleRadius: c_int,
N: c_int,
orientationBins: c_int,
option: c_int,
threshold: Ipp32f,
dataType: Type,
nChannels: c_int,
pSpec: *mut IppiFastNSpec,
) -> IppStatus