Function ipp_headers_sys::ippiRGBToGray_32f_C3C1R

pub unsafe extern "C" fn ippiRGBToGray_32f_C3C1R(
    pSrc: *const Ipp32f, 
    srcStep: c_int, 
    pDst: *mut Ipp32f, 
    dstStep: c_int, 
    roiSize: IppiSize
) -> IppStatus