Function cuda_expand_without_verification_64 

pub unsafe extern "C" fn cuda_expand_without_verification_64(
    streams: CudaStreamsFFI,
    lwe_array_out: *mut c_void,
    lwe_flattened_compact_array_in: *const c_void,
    mem_ptr: *mut i8,
    bsks: *const *mut c_void,
    computing_ksks: *const *mut c_void,
    casting_keys: *const *mut c_void,
)