mirror of
https://github.com/polserver/polserver
synced 2026-08-13 08:23:08 -04:00
dbb25bdb62
Include cleanup Reworked buildsystem (Linux only) Removed dynamic libs, Linux now again uses static linking (like windows)
45 lines
680 B
C++
45 lines
680 B
C++
/** @file
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*
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* @par History
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*/
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#include "clib.h"
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#include "rawtypes.h"
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namespace Pol
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{
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namespace Clib
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{
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OnlineStatistics::OnlineStatistics() : _count( 0 ), _max( 0 ), _mean( 0 ), _m2( 0 ) {}
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void OnlineStatistics::update( double value )
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{
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++_count;
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double delta = value - _mean;
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_mean += delta / _count;
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_m2 += delta * ( value - _mean );
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_max = value > _max ? value : _max;
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}
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double OnlineStatistics::variance() const
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{
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if ( _count < 2 )
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return 0;
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return _m2 / ( _count - 1 );
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}
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double OnlineStatistics::mean() const
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{
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return _mean;
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}
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u64 OnlineStatistics::count() const
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{
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return _count;
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}
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double OnlineStatistics::max() const
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{
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return _max;
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}
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}
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}
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