GY-63_MS5611/libraries/Statistic/Statistic.h
2021-12-28 16:28:44 +01:00

54 lines
1.5 KiB
C++

#pragma once
//
// FILE: Statistic.h
// AUTHOR: Rob Tillaart
// modified at 0.3 by Gil Ross at physics dot org
// VERSION: 0.4.4
// PURPOSE: Recursive Statistical library for Arduino
// HISTORY: See Statistic.cpp
//
#include <Arduino.h>
#include <math.h>
#define STATISTIC_LIB_VERSION (F("0.4.4"))
class Statistic
{
public:
Statistic(bool useStdDev = true); // "switches on/off" stdev run time
void clear(bool useStdDev = true); // "switches on/off" stdev run time
float add(const float); // returns value actually added
// returns the number of values added
uint32_t count() const { return _cnt; }; // zero if count == zero
float sum() const { return _sum; }; // zero if count == zero
float minimum() const { return _min; }; // zero if count == zero
float maximum() const { return _max; }; // zero if count == zero
float average() const; // NAN if count == zero
// useStdDev must be true to use next three
float variance() const; // NAN if count == zero
float pop_stdev() const; // population stdev // NAN if count == zero
float unbiased_stdev() const; // NAN if count == zero
protected:
uint32_t _cnt;
float _sum;
float _min;
float _max;
bool _useStdDev;
float _ssqdif; // sum of squares difference
};
// -- END OF FILE --