pub unsafe extern "C" fn ippiPyramidLayerDownInit_32f_C3R(
ppState: *mut *mut IppiPyramidDownState_32f_C3R,
srcRoi: IppiSize,
rate: Ipp32f,
pKernel: *mut Ipp32f,
kerSize: c_int,
mode: c_int,
StateBuf: *mut Ipp8u,
Buffer: *mut Ipp8u
) -> IppStatus