text: /**
   * Copyright 2020 Huawei Technologies Co., Ltd
   *
   * 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.
   */
  
  #ifndef MINDSPORE_NNACL_FP32_LSTM_H_
  #define MINDSPORE_NNACL_FP32_LSTM_H_
  
  #include "nnacl/lstm_parameter.h"
  #ifdef __cplusplus
  extern "C" {
  #endif
  void PackLstmWeight(float *dst, const float *src, int batch, int deep, int col, int col_align);
  
  void PackLstmBias(float *dst, const float *src, int batch, int col, int col_align, bool is_bidirectional);
  
  void PackLstmInput(const float *src, float *dst, int row, int deep);
  
  void LstmMatMul(float *c, const float *a, const float *b, const float *bias, int row, int deep, int col, int col_align,
                  bool is_vec, float *packed_ptr);
  
  void ElementMulAcc(const float *input0, const float *input1, float *output, int element_size);
  
  int ElementOptMulAcc(const float *input0, const float input1, float *output, const int element_size);
  
  void LstmStepUnit(float *output, float *input_gate, float *forget_gate, float *cell_gate, float *output_gate,
                    const float *state_weight, const float *state_bias, float *hidden_state, float *cell_state,
                    float *buffer[6], const LstmParameter *lstm_param);
  
  void Lstm(float *output, const float *input, const float *weight_i, const float *weight_h, const float *input_bias,
            const float *state_bias, float *hidden_state, float *cell_state, float *buffer[6],
            const LstmParameter *lstm_param);
  #ifdef __cplusplus
  }
  #endif
  
  #endif  // MINDSPORE_NNACL_FP32_LSTM_H_
  