pub unsafe extern "C" fn atg_elu_backward(
    out__: *mut *mut C_tensor,
    grad_output_: *mut C_tensor,
    alpha_: *mut C_scalar,
    scale_: *mut C_scalar,
    input_scale_: *mut C_scalar,
    is_result_: c_int,
    self_or_result_: *mut C_tensor
)