PSaidLowEnergy.h

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// PSaid Class Header
 
 
#ifndef _PSAIDLOWENERGY_H_
#define _PSAIDLOWENERGY_H_
 
#include <TGlobal.h>
#include <TROOT.h>
#include <TRandom3.h>
#include <TArrayD.h>
#include "PAngularDistribution.h"
 
class PSaidLowEnergy : public PAngularDistribution {
 
 public:
 
    PSaidLowEnergy();
    PSaidLowEnergy(const Char_t *id, const Char_t *de);
 
    PDistribution *Clone(const char *delme=NULL) const;
 
    Bool_t Init(void);
    Bool_t Prepare(void);
    Bool_t IsNotRejected(void);
 
    double SamplePolarAngle(double);
 
 private:
 
    double told;
    int dim;
    TArrayD y, aa;                       // private arrays for the sampling algorithm
 
    double dsdw(double, double);   // diff. cross section (mb/sr) by sc. angle (deg), Tlab (GeV)
    double sample(double, double); // sampling algorithm (rejection method)
 
    ClassDef(PSaidLowEnergy, 0) //Pluto SAID Class (low energy)
 
};
#endif // _PSAILOWENERGYD_H_