Function ipp_headers_sys::ippiColorToGray_64f_C3C1R

pub unsafe extern "C" fn ippiColorToGray_64f_C3C1R(
    pSrc: *const Ipp64f, 
    srcStep: c_int, 
    pDst: *mut Ipp64f, 
    dstStep: c_int, 
    roiSize: IppiSize, 
    coeffs: *const Ipp64f
) -> IppStatus