pub unsafe extern "C" fn atg_multilabel_margin_loss_backward_grad_input(
out__: *mut *mut C_tensor,
grad_input_: *mut C_tensor,
grad_output_: *mut C_tensor,
self_: *mut C_tensor,
target_: *mut C_tensor,
reduction_: i64,
is_target_: *mut C_tensor
)