FactorisedDensity.hh

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#ifndef FACTORISED_DENSITY
#define FACTORISED_DENSITY

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

#include "TMath.h"

#include <vector>


class FactorisedDensity : public AbsDensity {

  public: 
  

    FactorisedDensity(const char* pdfName, 
                      AbsPhaseSpace* thePhaseSpace, 
                      std::vector<AbsDensity*> &densityComponents);


    FactorisedDensity(const char* pdfName, 
                      AbsPhaseSpace* thePhaseSpace, 
                      AbsDensity* d1, 
                      AbsDensity* d2, 
                      AbsDensity* d3 = 0, 
                      AbsDensity* d4 = 0);

    virtual ~FactorisedDensity(); 


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


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

    void init(AbsPhaseSpace* thePhaseSpace, 
              std::vector<AbsDensity*> &densityComponents); 
  
    AbsPhaseSpace* m_phaseSpace; 
    
    std::vector<AbsDensity*> m_densityComponents; 
    
    UInt_t m_dim; 

}; 

#endif