L2CalculatorNormalizeWithAmplitude.cpp

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#include "L2CalculatorNormalizeWithAmplitude.h"
 
#include "Utilities/Calculator/FFTCalculator/FFTCalculator.h"
 
#include <cmath>
 
std::shared_ptr<L2NormCalculator> L2CalculatorNormalizeWithAmplitude::getInstance()
{
    static std::shared_ptr<L2NormCalculator> uniqueInstance;
    if (!uniqueInstance)
        uniqueInstance = std::shared_ptr<L2NormCalculator>(new L2CalculatorNormalizeWithAmplitude());
    return uniqueInstance;
}
 
double L2CalculatorNormalizeWithAmplitude::calc(std::vector<double> basicData, std::vector<double> divergentData, std::vector<unsigned int> level, double lx, double lz, double l0)
{
    std::shared_ptr<FFTCalculator> fftCalc = FFTCalculator::getInstance();
    double amplitude = fftCalc->calcAmplitudeForTimeStep(basicData, false, lx, lz) * lx / l0;
    if (equalDouble(amplitude, 0.0))
        return -1.0;
    double counter = calcCounter(basicData, divergentData, level, lx, lz);
    return std::sqrt(counter / (amplitude * amplitude));
}
 
L2CalculatorNormalizeWithAmplitude::L2CalculatorNormalizeWithAmplitude() : L2NormCalculatorImp("Test could not run. Amplitude is zero. Normalization of the data is not possible.")
{
}