// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.//// Licensed under the Apache License, Version 2.0 (the "License");// you may not use this file except in compliance with the License.// You may obtain a copy of the License at//// http://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software// distributed under the License is distributed on an "AS IS" BASIS,// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.// See the License for the specific language governing permissions and// limitations under the License.#pragma once#include "paddle/phi/core/dense_tensor.h"#include "paddle/utils/optional.h"namespacephi{template<typenameT,typenameContext>voidWarpctcKernel(constContext&dev_ctx,constDenseTensor&logits,constDenseTensor&label,paddle::optional<constDenseTensor&>logits_length,paddle::optional<constDenseTensor&>labels_length,intblank,boolnorm_by_times,DenseTensor*warpctc_grad,DenseTensor*loss);}// namespace phi