64 lines
1.0 KiB
C++
Executable File
64 lines
1.0 KiB
C++
Executable File
#ifndef MOVINGAVG_H
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#define MOVINGAVG_H
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#include <vector>
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#include "RingBuffer.h"
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template <typename T> class MovingAVG {
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private:
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/** track the current sum of the vector's values */
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T curSum;
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/** the number of elements to average */
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int size;
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/** up to "size" elements */
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RingBuffer<T> values;
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public:
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/** ctor */
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MovingAVG(const int size) : curSum(), size(size), values(size) {;}
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/** add a new value */
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void add(const T val) {
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// add new value
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//values.push_back(val);
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values.add(val);
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curSum += val;
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// too many values?
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//if ((int) values.size() > size) {
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// curSum -= values.front();
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// values.erase(values.begin());
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//}
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if (values.size() >= size) {
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curSum -= values.get();
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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 curSum / values.size();
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}
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/** get the number of used entries */
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int getNumUsed() const {
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return (int) values.size();
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}
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/** get number of entries to average */
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int getSize() const {
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return size;
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}
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};
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#endif // MOVINGAVG_H
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