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SimpleSpectrum.h

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// $Header: /nfs/slac/g/glast/ground/cvs/flux/flux/SimpleSpectrum.h,v 1.9 2001/10/20 07:20:35 srobinsn Exp $
//
//
// Spectrum: base class for energy spectrum objects
// SimpleSpectrum: define a particle and spectral index
//

#ifndef SIMPLESPECTRUM_H
#define SIMPLESPECTRUM_H
#include "flux/Spectrum.h"
#include <string>

class DOM_Element;



//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class SimpleSpectrum : public Spectrum {
public: 
    SimpleSpectrum(const char* name,float E0, float index=0.0);
    SimpleSpectrum(const char* name,float Emin, float Emax, float index);
    SimpleSpectrum(const DOM_Element& xelem);
        SimpleSpectrum(const std::string& params);

    SimpleSpectrum();
    void setPosition ( float /*lat*/, float /*lon*/ ){}
    virtual double calculate_rate(double old_rate);
    virtual float  operator()(float f)const;
    virtual const char* particleName()const;
    virtual std::string title()const;
private:
    float parseParamList(std::string input, int index);
    float m_E0;         // energy base
    std::string m_name; // particle name to generate ("P", "gamma", ...)
    float m_index;      // spectral index: <=1 is delta function at E0
    float m_emax;
};

#endif

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