FrankE
d283d9b326
new grid walkers + fixes new test-cases worked on step/and turn detection android offline-data-reader worked on vap-grouping
68 lines
1.1 KiB
C++
68 lines
1.1 KiB
C++
#ifndef MOVINGAVERAGETS_H
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#define MOVINGAVERAGETS_H
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#include <vector>
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#include "../data/Timestamp.h"
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#include <algorithm>
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template <typename T> class MovingAverageTS {
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private:
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/** timestamp -> value combination */
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struct Entry {
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Timestamp ts;
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T value;
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Entry(const Timestamp ts, const T& value) : ts(ts), value(value) {;}
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};
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/** the regional window to use */
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Timestamp window;
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/** the value history for the window-size */
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std::vector<Entry> history;
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/** current sum */
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T sum;
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public:
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/** ctor with the window-size to use */
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MovingAverageTS(const Timestamp window, const T zeroElement) : window(window), sum(zeroElement) {
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}
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/** add a new entry */
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void add(const Timestamp ts, const T& data) {
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// append to history
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history.push_back(Entry(ts, data));
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// adjust sum
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sum += data;
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// remove too-old history entries
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const Timestamp oldest = ts - window;
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while(history.front().ts < oldest) {
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// adjust sum
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sum -= history.front().value;
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// remove from history
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history.erase(history.begin());
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}
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}
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/** get the current average */
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T get() const {
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return sum / history.size();
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}
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};
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#endif // MOVINGAVERAGETS_H
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