:gitee_url: https://gitee.com/mindspore/docs


.. _program_listing_file_include_metrics.h:

Program Listing for File metrics.h
==================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_metrics.h>` (``include/metrics.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   
   #ifndef MINDSPORE_INCLUDE_API_METRICS_METRICS_H
   #define MINDSPORE_INCLUDE_API_METRICS_METRICS_H
   #include <vector>
   #include "include/api/model.h"
   
   namespace mindspore {
   
   class MetricsImpl;
   class ModelImpl;
   class MSTensor;
   
   class Metrics {
    public:
     virtual ~Metrics() = default;
     virtual void Clear() {}
     virtual float Eval() { return 0.0; }
     virtual void Update(std::vector<MSTensor *> inputs, std::vector<MSTensor *> outputs) {}
    protected:
     friend class Model;
     friend class ModelImpl;
     MetricsImpl* metrics_impl_;
   };
   
   }  // namespace mindspore
   #endif  // MINDSPORE_INCLUDE_API_METRICS_METRICS_H