mirror of
https://github.com/OPM/ResInsight.git
synced 2025-02-11 07:56:08 -06:00
74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (C) 2018- Equinor ASA
|
|
//
|
|
// ResInsight is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
// FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
|
|
// for more details.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "RiaWeightedGeometricMeanCalculator.h"
|
|
|
|
#include "cvfAssert.h"
|
|
|
|
#include <cmath>
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
///
|
|
//--------------------------------------------------------------------------------------------------
|
|
RiaWeightedGeometricMeanCalculator::RiaWeightedGeometricMeanCalculator()
|
|
: m_aggregatedWeightedValue(0.0)
|
|
, m_aggregatedWeight(0.0)
|
|
{
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
///
|
|
//--------------------------------------------------------------------------------------------------
|
|
void RiaWeightedGeometricMeanCalculator::addValueAndWeight(double value, double weight)
|
|
{
|
|
CVF_ASSERT(weight >= 0.0);
|
|
|
|
// This can be a very big number, consider other algorithms if that becomes a problem
|
|
m_aggregatedWeightedValue += (std::log(value) * weight);
|
|
m_aggregatedWeight += weight;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
///
|
|
//--------------------------------------------------------------------------------------------------
|
|
double RiaWeightedGeometricMeanCalculator::weightedMean() const
|
|
{
|
|
if (m_aggregatedWeight > 1e-7)
|
|
{
|
|
return std::exp(m_aggregatedWeightedValue / m_aggregatedWeight);
|
|
}
|
|
|
|
return 0.0;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
///
|
|
//--------------------------------------------------------------------------------------------------
|
|
double RiaWeightedGeometricMeanCalculator::aggregatedWeight() const
|
|
{
|
|
return m_aggregatedWeight;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
///
|
|
//--------------------------------------------------------------------------------------------------
|
|
bool RiaWeightedGeometricMeanCalculator::validAggregatedWeight() const
|
|
{
|
|
return m_aggregatedWeight > 1.0e-12;
|
|
}
|