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https://github.com/dbalsom/x86_microcode.git
synced 2026-06-09 13:04:17 +03:00
Andrew Jenner
27 lines
617 B
C++
27 lines
617 B
C++
#include "alfe/main.h"
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#ifndef INCLUDED_STATISTICS_H
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#define INCLUDED_STATISTICS_H
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template<class T> class Statistics
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{
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public:
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Statistics() : _n(0), _total(0), _total2(0) { }
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void add(const T& value)
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{
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++_n;
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_total += value;
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_total2 += value*value;
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}
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T mean() const { return _total/_n; }
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T variance() const { return _total2/_n - mean()*mean(); }
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T standardDeviation() const { return sqrt(variance()); }
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T populationDeviation() const { return sqrt(variance()*_n/(_n - 1)); }
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private:
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int _n;
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T _total;
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T _total2;
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};
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#define INCLUDED_STATISTICS_H
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