// Copyright 2016 Google Inc. All Rights Reserved.

#ifndef WVCDM_PROFILER_STATS_H_
#define WVCDM_PROFILER_STATS_H_

#include <stdint.h>

namespace wvcdm {
namespace oemprofiler {

class Stat {
 public:
  Stat();

  void Update(uint64_t sample);
  void Reset();

  uint64_t GetMin() const;
  uint64_t GetMax() const;
  uint64_t GetSampleSize() const;
  double GetMean() const;
  double GetVariance() const;

 private:
  uint64_t min_;
  uint64_t max_;
  double mean_;
  uint64_t count_;

  double sdev_m_;
  double sdev_s_;

  Stat(const Stat&);
  void operator=(const Stat&);
};

}    // namespace oemprofiler
}    // namespace wvcdm

#endif