LCOV - code coverage report
Current view: top level - nntrainer/layers/loss - cross_entropy_loss_layer.h (source / functions) Coverage Total Hit
Test: coverage_filtered.info Lines: 60.0 % 10 6
Test Date: 2025-12-14 20:38:17 Functions: 50.0 % 6 3

            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   cross_entropy_loss_layer.h
       6              :  * @date   24 June 2021
       7              :  * @brief  This is Cross Entropy Loss 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 __CROSS_ENTROPY_LOSS_LAYER_H__
      15              : #define __CROSS_ENTROPY_LOSS_LAYER_H__
      16              : #ifdef __cplusplus
      17              : 
      18              : #include <loss_layer.h>
      19              : #include <nntrainer_error.h>
      20              : 
      21              : namespace nntrainer {
      22              : 
      23              : /**
      24              :  * @class   CrossEntropyLossLayer
      25              :  * @brief   Cross Entropy Loss Layer
      26              :  */
      27              : class CrossEntropyLossLayer : public LossLayer {
      28              : public:
      29              :   /**
      30              :    * @brief     Constructor of Cross Entropy Loss Layer
      31              :    */
      32           19 :   CrossEntropyLossLayer() : LossLayer() {}
      33              : 
      34              :   /**
      35              :    * @brief     Destructor of Cross Entropy Loss Layer
      36              :    */
      37           19 :   ~CrossEntropyLossLayer() = default;
      38              : 
      39              :   /**
      40              :    * @copydoc Layer::forwarding(RunLayerContext &context, bool training)
      41              :    */
      42            4 :   void finalize(InitLayerContext &context) override {
      43              :     throw exception::not_supported(
      44            8 :       "Cross Entropy not supported without softmax or sigmoid");
      45              :   }
      46              : 
      47              :   /**
      48              :    * @copydoc Layer::forwarding(RunLayerContext &context, bool training)
      49              :    */
      50            0 :   void forwarding(RunLayerContext &context, bool training) override {
      51              :     throw exception::not_supported(
      52            0 :       "Cross Entropy not supported without softmax or sigmoid");
      53              :   }
      54              : 
      55              :   /**
      56              :    * @copydoc Layer::calcDerivative(RunLayerContext &context)
      57              :    */
      58            0 :   void calcDerivative(RunLayerContext &context) override {
      59              :     throw exception::not_supported(
      60            0 :       "Cross Entropy not supported without softmax or sigmoid");
      61              :   }
      62              : 
      63              :   /**
      64              :    * @copydoc Layer::getType()
      65              :    */
      66           22 :   const std::string getType() const override {
      67           22 :     return CrossEntropyLossLayer::type;
      68              :   };
      69              : 
      70              :   static constexpr const char *type = "cross";
      71              : };
      72              : } // namespace nntrainer
      73              : 
      74              : #endif /* __cplusplus */
      75              : #endif /* __CROSS_ENTROPY_LOSS_LAYER_H__ */
        

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