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74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2018- Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "cvfAssert.h"
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <class T>
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RiaWeightedMeanCalculator<T>::RiaWeightedMeanCalculator()
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: m_aggregatedValue( T{} )
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, m_aggregatedWeight( 0.0 )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <class T>
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void RiaWeightedMeanCalculator<T>::addValueAndWeight( T value, double weight )
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{
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CVF_ASSERT( weight >= 0.0 );
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m_aggregatedValue = m_aggregatedValue + value * weight;
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m_aggregatedWeight += weight;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <class T>
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T RiaWeightedMeanCalculator<T>::weightedMean() const
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{
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bool validWeights = validAggregatedWeight();
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CVF_TIGHT_ASSERT( validWeights );
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if ( validWeights )
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{
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return m_aggregatedValue * ( 1.0 / m_aggregatedWeight );
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}
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return T{};
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <class T>
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double RiaWeightedMeanCalculator<T>::aggregatedWeight() const
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{
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return m_aggregatedWeight;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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template <class T>
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bool RiaWeightedMeanCalculator<T>::validAggregatedWeight() const
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{
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return m_aggregatedWeight > 1.0e-12;
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} |