pub unsafe extern "C" fn atg_nll_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, weight_: *mut C_tensor, reduction_: i64, ignore_index_: i64, total_weight_: *mut C_tensor)