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2026-07-13 12:40:42 +08:00

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// Copyright (c) 2024 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 <string>
#include "paddle/phi/core/dense_tensor.h"
#include "paddle/phi/core/device_context.h"
#include "paddle/utils/optional.h"
namespace phi {
template <typename T, typename Context>
void LSTMKernel(const Context& dev_ctx,
const DenseTensor& input,
const optional<DenseTensor>& h0,
const optional<DenseTensor>& c0,
const DenseTensor& weight,
const DenseTensor& bias,
bool use_peepholes,
bool is_reverse,
bool is_test,
const std::string& gate_activation,
const std::string& cell_activation,
const std::string& candidate_activation,
DenseTensor* hidden,
DenseTensor* cell,
DenseTensor* batch_gate,
DenseTensor* batch_cell_pre_act);
template <typename T, typename Context>
void LSTMGradKernel(const Context& dev_ctx,
const DenseTensor& input,
const optional<DenseTensor>& h0,
const optional<DenseTensor>& c0,
const DenseTensor& weight,
const DenseTensor& bias,
const DenseTensor& hidden,
const DenseTensor& cell,
const DenseTensor& batch_gate,
const DenseTensor& batch_cell_pre_act,
const DenseTensor& hidden_grad,
bool use_peepholes,
bool is_reverse,
bool is_test,
const std::string& gate_activation,
const std::string& cell_activation,
const std::string& candidate_activation,
DenseTensor* input_grad,
DenseTensor* h0_grad,
DenseTensor* c0_grad,
DenseTensor* weight_grad,
DenseTensor* bias_grad);
} // namespace phi