Function ipp_sys::ippiColorToGray_16u_C3C1R

pub unsafe extern "C" fn ippiColorToGray_16u_C3C1R(
    pSrc: *const u16,
    srcStep: i32,
    pDst: *mut u16,
    dstStep: i32,
    roiSize: IppiSize,
    coeffs: *const f32
) -> i32