LCOV - code coverage report
Current view: top level - nntrainer/layers - lstmcell.h (source / functions) Coverage Total Hit
Test: coverage_filtered.info Lines: 100.0 % 3 3
Test Date: 2025-12-14 20:38:17 Functions: 100.0 % 4 4

            Line data    Source code
       1              : // SPDX-License-Identifier: Apache-2.0
       2              : /**
       3              :  * Copyright (C) 2021 Parichay Kapoor <pk.kapoor@samsung.com>
       4              :  *
       5              :  * @file   lstmcell.h
       6              :  * @date   31 March 2021
       7              :  * @brief  This is LSTMCell Layer Class of Neural Network
       8              :  * @see    https://github.com/nnstreamer/nntrainer
       9              :  * @author Parichay Kapoor <pk.kapoor@samsung.com>
      10              :  * @bug    No known bugs except for NYI items
      11              :  *
      12              :  */
      13              : 
      14              : #ifndef __LSTMCELL_H__
      15              : #define __LSTMCELL_H__
      16              : #ifdef __cplusplus
      17              : 
      18              : #include <acti_func.h>
      19              : #include <common_properties.h>
      20              : #include <lstmcell_core.h>
      21              : 
      22              : namespace nntrainer {
      23              : 
      24              : /**
      25              :  * @class   LSTMCellLayer
      26              :  * @brief   LSTMCellLayer
      27              :  */
      28              : class LSTMCellLayer : public LSTMCore {
      29              : public:
      30              :   /**
      31              :    * @brief     Constructor of LSTMCellLayer
      32              :    */
      33              :   LSTMCellLayer();
      34              : 
      35              :   /**
      36              :    * @brief     Destructor of LSTMCellLayer
      37              :    */
      38          219 :   ~LSTMCellLayer() = default;
      39              : 
      40              :   /**
      41              :    * @copydoc Layer::finalize(InitLayerContext &context)
      42              :    */
      43              :   void finalize(InitLayerContext &context) override;
      44              : 
      45              :   /**
      46              :    * @copydoc Layer::forwarding(RunLayerContext &context, bool training)
      47              :    */
      48              :   void forwarding(RunLayerContext &context, bool training) override;
      49              : 
      50              :   /**
      51              :    * @copydoc Layer::calcDerivative(RunLayerContext &context)
      52              :    */
      53              :   void calcDerivative(RunLayerContext &context) override;
      54              : 
      55              :   /**
      56              :    * @copydoc Layer::calcGradient(RunLayerContext &context)
      57              :    */
      58              :   void calcGradient(RunLayerContext &context) override;
      59              : 
      60              :   /**
      61              :    * @copydoc Layer::exportTo(Exporter &exporter, ml::train::ExportMethods
      62              :    * method)
      63              :    */
      64              :   void exportTo(Exporter &exporter,
      65              :                 const ml::train::ExportMethods &method) const override;
      66              : 
      67              :   /**
      68              :    * @copydoc Layer::getType()
      69              :    */
      70          639 :   const std::string getType() const override { return LSTMCellLayer::type; };
      71              : 
      72              :   /**
      73              :    * @copydoc Layer::supportBackwarding()
      74              :    */
      75           54 :   bool supportBackwarding() const override { return true; }
      76              : 
      77              :   /**
      78              :    * @copydoc Layer::setProperty(const PropertyType type, const std::string
      79              :    * &value)
      80              :    */
      81              :   void setProperty(const std::vector<std::string> &values) override;
      82              : 
      83              :   /**
      84              :    * @copydoc Layer::setBatch(RunLayerContext &context, unsigned int batch)
      85              :    */
      86              :   void setBatch(RunLayerContext &context, unsigned int batch) override;
      87              : 
      88              :   static constexpr const char *type = "lstmcell";
      89              : 
      90              : private:
      91              :   static constexpr unsigned int NUM_GATE = 4;
      92              :   enum INOUT_INDEX {
      93              :     INPUT = 0,
      94              :     INPUT_HIDDEN_STATE = 1,
      95              :     INPUT_CELL_STATE = 2,
      96              :     OUTPUT_HIDDEN_STATE = 0,
      97              :     OUTPUT_CELL_STATE = 1
      98              :   };
      99              : 
     100              :   /** common properties like Unit, IntegrateBias, HiddenStateActivation and
     101              :    * RecurrentActivation are in lstmcore_props */
     102              : 
     103              :   /**
     104              :    * DropOutRate: dropout rate
     105              :    *
     106              :    * */
     107              :   std::tuple<props::DropOutRate> lstmcell_props;
     108              : 
     109              :   std::array<unsigned int, 7> wt_idx; /**< indices of the weights */
     110              : };
     111              : } // namespace nntrainer
     112              : 
     113              : #endif /* __cplusplus */
     114              : #endif /* __LSTMCELL_H__ */
        

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