ParametricPhaseSpace.hh

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#ifndef PARAMETRIC_PHASE_SPACE
#define PARAMETRIC_PHASE_SPACE

#include "AbsPhaseSpace.hh"

#include "TMath.h"
#include "TFormula.h"

#include <vector>


class ParametricPhaseSpace : public AbsPhaseSpace {

  public: 
  

    ParametricPhaseSpace(const char* phspName, 
                         AbsPhaseSpace* basePhaseSpace, 
                         const char* lowerFormula, 
                         const char* upperFormula, 
                         Double_t lowerLimit, 
                         Double_t upperLimit); 

    virtual ~ParametricPhaseSpace(); 
    
    UInt_t dimensionality() { return m_dim; }

    Bool_t withinLimits(std::vector<Double_t> &x); 

    Double_t lowerLimit(UInt_t var); 
    
    Double_t upperLimit(UInt_t var);


    Bool_t limits(UInt_t var, std::vector<Double_t> &x, Double_t* lower, Double_t* upper); 

  private: 
  
    Double_t m_lowerLimit; 

    Double_t m_upperLimit; 

    TFormula* m_lowerFormula; 
    
    TFormula* m_upperFormula; 
    
    UInt_t m_dim; 

    AbsPhaseSpace* m_phaseSpace; 
}; 

#endif