PSD.h

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#ifndef PSD_H
#define PSD_H

#include <fstream>
#include <Logger.h>
#include <vector>
#include <Tools/csvReader.h>
#include <random>
#include "iostream"
#include "ExtendedMath.h"

using mathsFunc::square;
using mathsFunc::cubic;

class PSD
{

public:
    enum class TYPE
    {
        CUMULATIVE_NUMBER_DISTRIBUTION,
        CUMULATIVE_LENGTH_DISTRIBUTION,
        CUMULATIVE_VOLUME_DISTRIBUTION,
        CUMULATIVE_AREA_DISTRIBUTION,
        PROBABILITYDENSITY_NUMBER_DISTRIBUTION,
        PROBABILITYDENSITY_LENGTH_DISTRIBUTION,
        PROBABILITYDENSITY_AREA_DISTRIBUTION,
        PROBABILITYDENSITY_VOLUME_DISTRIBUTION
    };
    
    class RadiusAndProbability
    {
    public:
        Mdouble radius;
        Mdouble probability;
    };
    
    PSD();
    
    PSD(const PSD& other);
    
    ~PSD();
    
    PSD* copy() const;
    
    void printPSD();
    
    Mdouble drawSample();
    
    Mdouble insertManuallyByVolume(Mdouble volume);
    
    void validateCumulativeDistribution();
    
    void validateProbabilityDensityDistribution();
    
    MERCURY_DEPRECATED
    void setPSDFromVector(std::vector<RadiusAndProbability> psd, TYPE PSDType);
    
    void setPSDFromCSV(const std::string& fileName, TYPE PSDType, bool headings = false, Mdouble
    unitScalingFactorRadii = 1.0);
    
    void convertProbabilityDensityToCumulative();
    
    void convertCumulativeToProbabilityDensity();
    
    void convertProbabilityDensityToProbabilityDensityNumberDistribution(TYPE PDFType);
    
    void convertProbabilityDensityNumberDistributionToProbabilityDensityVolumeDistribution();
    
    void convertCumulativeToCumulativeNumberDistribution(TYPE CDFType);
    
    void cutoffCumulativeNumber(Mdouble percentileMin, Mdouble percentileMax, Mdouble minPolydispersity = 0.1);
    
    void cutoffAndSqueezeCumulative(Mdouble percentileMin, Mdouble percentileMax, Mdouble squeeze,
                                    Mdouble minPolydispersity = 0.1);
    
    Mdouble getMinRadius();
    
    Mdouble getMaxRadius();
    
    std::vector<RadiusAndProbability> getParticleSizeDistribution() const;
    
    int getInsertedParticleNumber();
    
    Mdouble getDx(Mdouble x);
    
    Mdouble getRadiusByPercentile(Mdouble percentile);
    
    Mdouble getVolumetricMeanRadius();
    
    void computeRawMomenta();
    
    void computeCentralMomenta();
    
    void computeStandardisedMomenta();
    
    std::array<Mdouble, 6> getMomenta();
    
    friend bool operator<(const PSD::RadiusAndProbability& l, const PSD::RadiusAndProbability& r);
    
    friend bool operator<(const PSD::RadiusAndProbability& l, Mdouble r);
    
    friend std::ostream& operator<<(std::ostream& os, PSD::RadiusAndProbability& p);
    
    friend std::istream& operator>>(std::istream& is, PSD::RadiusAndProbability& p);
    
    friend Mdouble operator==(PSD::RadiusAndProbability l, Mdouble r);


private:
    std::vector<RadiusAndProbability> particleSizeDistribution_;
    
    std::array<Mdouble, 6> momenta_{};
    
    std::vector<int> nParticlesPerClass_;
    
    std::vector<Mdouble> volumePerClass_;
};


#endif //PSD_H