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109 lines
3.6 KiB
C++
109 lines
3.6 KiB
C++
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/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2017- Statoil 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 "RigEnsembleParameter.h"
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#include <algorithm>
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#include <cmath>
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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double RigEnsembleParameter::stdDeviation() const
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{
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double N = static_cast<double>( values.size() );
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if ( N > 1 && isNumeric() )
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{
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double sumValues = 0.0;
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double sumValuesSquared = 0.0;
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for ( const QVariant& variant : values )
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{
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double value = variant.toDouble();
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sumValues += value;
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sumValuesSquared += value * value;
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}
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return std::sqrt( ( N * sumValuesSquared - sumValues * sumValues ) / ( N * ( N - 1.0 ) ) );
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}
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return 0.0;
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}
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//--------------------------------------------------------------------------------------------------
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/// Standard deviation normalized by max absolute value of min/max values.
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/// Produces values between 0.0 and sqrt(2.0).
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//--------------------------------------------------------------------------------------------------
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double RigEnsembleParameter::normalizedStdDeviation() const
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{
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const double eps = 1.0e-4;
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double maxAbs = std::max( std::fabs( maxValue ), std::fabs( minValue ) );
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if ( maxAbs < eps )
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{
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return 0.0;
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}
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double normalisedStdDev = stdDeviation() / maxAbs;
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if ( normalisedStdDev < eps )
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{
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return 0.0;
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}
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return normalisedStdDev;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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bool RigEnsembleParameter::operator<( const RigEnsembleParameter& other ) const
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{
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if ( this->variationBin != other.variationBin )
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{
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return this->variationBin > other.variationBin; // Larger first
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}
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return this->name < other.name;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QString RigEnsembleParameter::uiName() const
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{
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QString stem = name;
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QString variationString;
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if ( isNumeric() )
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{
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switch ( variationBin )
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{
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case NO_VARIATION:
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variationString = QString( " (No variation)" );
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break;
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case LOW_VARIATION:
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variationString = QString( " (Low variation)" );
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break;
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case MEDIUM_VARIATION:
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variationString = QString( " (Medium variation)" );
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break;
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case HIGH_VARIATION:
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variationString = QString( " (High variation)" );
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break;
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}
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}
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return QString( "%1%2" ).arg( stem ).arg( variationString );
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}
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