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

PhysicsTools/KinFitter/interface/TFitParticleEMomDev.h

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31 май 2019, 14:04

31 май 2019, 14:04685652b



#ifndef TFitParticleEMomDev_hh
#define TFitParticleEMomDev_hh

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

class TFitParticleEMomDev : public TAbsFitParticle {
public:
  TFitParticleEMomDev();
  TFitParticleEMomDev(const TFitParticleEMomDev& fitParticle);
  TFitParticleEMomDev(TLorentzVector* pini, const TMatrixD* theCovMatrix);
  TFitParticleEMomDev(const TString& name, const TString& title, TLorentzVector* pini, const TMatrixD* theCovMatrix);
  ~TFitParticleEMomDev() override;
  TAbsFitParticle* clone(const TString& newname = "") const override;

  // returns derivative dP/dy with P=(p,E) and y=(par1, par2, par3, ...)
  // the free parameters of the fit. The columns of the matrix contain
  // (dP/dpar1, dP/dpar2, ...).
  TMatrixD* getDerivative() override;
  TMatrixD* transform(const TLorentzVector& vec) override;
  void setIni4Vec(const TLorentzVector* pini) override;
  TLorentzVector* calc4Vec(const TMatrixD* params) override;

protected:
  void init(TLorentzVector* pini, const TMatrixD* theCovMatrix);

private:
  ClassDefOverride(TFitParticleEMomDev, 0)
};

#endif