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GRBobsSpectrum.h

#ifndef GRB_OBS_SPECTRUM_H
#define GRB_OBS_SPECTRUM_H

#include <vector>
#include <string>
#include <functional>  // for unary_function

#include "FluxSvc/ISpectrum.h"

#include "CLHEP/Random/RandomEngine.h"

class GRBurst;



class GRBobsSpectrum : public ISpectrum
{    
public:
    GRBobsSpectrum(const std::string &filename);

    GRBobsSpectrum(const double duration, const int npuls, const double flux, 
        const double fraction, const double alpha, const double beta, 
        const double epeak, const double specnorm, const bool flag);
    

    virtual ~GRBobsSpectrum();
    

    GRBobsSpectrum(const GRBobsSpectrum &right);   // private copy constructor
    

    GRBobsSpectrum &operator=(const GRBobsSpectrum &right);

    

    // Accessors
    virtual std::string title() const   { return m_title; }    
    const char * particleName() const   { return m_particleName.c_str(); }
    


    virtual double flux(double time=0) const;
    
    float fraction(float energy);
    
    std::pair<float,float> dir(float energy) const;

    std::pair<double,double> dir(double energy, HepRandomEngine *engine);
    
    double energySrc(HepRandomEngine *engine, double time=0);
       
    virtual float operator() (float randomNumber) const;
    
    virtual double interval(double time);
    
private:
    double nextEnergy() const;
    
    double nextTime() const;
    
    void parseParamList(const std::string &input, 
        std::vector<std::string>& output) const;
    
    void swap(GRBobsSpectrum &other) throw();
    
    // Data members:
    std::string        m_title;
    std::string        m_particleName;
    GRBurst            *m_grb;   
    
};
#endif // GRB_OBS_SPECTRUM_H

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