FormulaDensity.hh

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#ifndef FORMULA_DENSITY
#define FORMULA_DENSITY

#include "AbsDensity.hh"
#include "AbsPhaseSpace.hh"

#include "TFormula.h"

#include <vector>


class FormulaDensity : public AbsDensity {

  public:


    FormulaDensity(const char* pdfName, 
                   AbsPhaseSpace* thePhaseSpace, 
                   const char* formula);


    FormulaDensity(const char* pdfName, 
                   AbsPhaseSpace* thePhaseSpace, 
                   TFormula* formula);

    virtual ~FormulaDensity(); 


    Double_t density(std::vector<Double_t> &x);


    AbsPhaseSpace* phaseSpace() { return m_phaseSpace; }
    
  private: 
  
    AbsPhaseSpace* m_phaseSpace; 

    TFormula* m_formula; 
    
    UInt_t m_dim; 
}; 

#endif