L2CalculatorNormalizeWithBasicData.cpp

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//=======================================================================================
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//  This file is part of VirtualFluids. VirtualFluids is free software: you can
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//=======================================================================================
#include "L2CalculatorNormalizeWithBasicData.h"
 
#include <cmath>
 
std::shared_ptr<L2NormCalculator> L2CalculatorNormalizeWithBasicData::getInstance()
{
    static std::shared_ptr<L2NormCalculator> uniqueInstance;
    if (!uniqueInstance)
        uniqueInstance = std::shared_ptr<L2NormCalculator>(new L2CalculatorNormalizeWithBasicData());
    return uniqueInstance;
}
 
double L2CalculatorNormalizeWithBasicData::calc(std::vector<double> basicData, std::vector<double> divergentData, std::vector<unsigned int> level, double lx, double lz, double l0)
{
    double counter = calcCounter(basicData, divergentData, level, lx, lz);
    double denominator = 0.0;
    for (int i = 0; i < basicData.size(); i++) {
        double area = (1 / std::pow(2.0, level.at(i))) * (1 / std::pow(2.0, level.at(i)));
        denominator += (basicData.at(i)*basicData.at(i)) * area;
    }
    if (equalDouble(denominator, 0.0))
        return -1.0;
 
    return std::sqrt(counter / denominator);
}
 
L2CalculatorNormalizeWithBasicData::L2CalculatorNormalizeWithBasicData() : L2NormCalculatorImp("Test could not run. BasicData is zero. Normalization of the data is not possible.")
{
 
}