PhysicsTools/KinFitter/interface/TFitParticleMCMomDev.h - master - githubmirror/cmssw

PhysicsTools/KinFitter/interface/TFitParticleMCMomDev.h

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31 май 2019, 14:04

31 май 2019, 14:04685652b


#ifndef TFitParticleMCMomDev_hh
#define TFitParticleMCMomDev_hh

#include "TMatrixD.h"
#include "PhysicsTools/KinFitter/interface/TAbsFitParticle.h"
#include "TLorentzVector.h"
#include "TVector3.h"

class TFitParticleMCMomDev : public TAbsFitParticle {
public:
  TFitParticleMCMomDev();
  TFitParticleMCMomDev(const TFitParticleMCMomDev& fitParticle);
  TFitParticleMCMomDev(TVector3* p, Double_t M, const TMatrixD* theCovMatrix);
  TFitParticleMCMomDev(const TString& name, const TString& title, TVector3* p, Double_t M, const TMatrixD* theCovMatrix);
  ~TFitParticleMCMomDev() override;
  TAbsFitParticle* clone(const TString& newname = TString("")) const override;

  // returns derivative dP/dy with P=(p,E) and y=(r, theta, phi, ...)
  // the free parameters of the fit. The columns of the matrix contain
  // (dP/dr, dP/dtheta, ...).
  TMatrixD* getDerivative() override;
  TMatrixD* transform(const TLorentzVector& vec) override;
  void setIni4Vec(const TLorentzVector* pini) override;
  void setIni4Vec(const TVector3* p, Double_t M);
  TLorentzVector* calc4Vec(const TMatrixD* params) override;

protected:
  void init(TVector3* p, Double_t M, const TMatrixD* theCovMatrix);

private:
  ClassDefOverride(TFitParticleMCMomDev, 0)
};

#endif