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38 lines
1 KiB
C++
38 lines
1 KiB
C++
//
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// MovingPercentile.h
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// libraries/shared/src
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//
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// Created by Yixin Wang on 6/4/2014
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#ifndef hifi_MovingPercentile_h
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#define hifi_MovingPercentile_h
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#include <qlist.h>
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class MovingPercentile {
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public:
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MovingPercentile(int numSamples, float percentile = 0.5f);
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// FIXME - this class is only currently used in calculating the clockSkew, which is a signed 64bit int, not a double
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// I am somewhat tempted to make this a type sensitive template and/or swith to using qint64's internally
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void updatePercentile(quint64 sample);
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quint64 getValueAtPercentile() const { return _valueAtPercentile; }
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private:
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const int _numSamples;
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const float _percentile;
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QList<quint64> _samplesSorted;
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QList<int> _sampleIds; // incrementally assigned, is cyclic
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int _newSampleId;
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int _indexOfPercentile;
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quint64 _valueAtPercentile;
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};
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#endif
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