overte/libraries/shared/src/SimpleMovingAverage.h
2014-04-09 12:03:17 -07:00

40 lines
1,007 B
C++

//
// SimpleMovingAverage.h
// libraries/shared/src
//
// Created by Stephen Birarda on 4/18/13.
// Copyright 2013 High Fidelity, Inc.
//
// Replaces Brad Hefta-Gaub's CounterStats class (RIP)
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_SimpleMovingAverage_h
#define hifi_SimpleMovingAverage_h
#include <stdint.h>
class SimpleMovingAverage {
public:
SimpleMovingAverage(int numSamplesToAverage = 100);
int updateAverage(float sample);
void reset();
int getSampleCount() const { return _numSamples; };
float getAverage() const { return _average; };
float getEventDeltaAverage() const;
float getAverageSampleValuePerSecond() const;
private:
int _numSamples;
uint64_t _lastEventTimestamp;
float _average;
float _eventDeltaAverage;
float WEIGHTING;
float ONE_MINUS_WEIGHTING;
};
#endif // hifi_SimpleMovingAverage_h