9 #ifndef __PARTICLEFITOBJECT_H
10 #define __PARTICLEFITOBJECT_H
85 virtual bool setMass (
double mass_);
87 virtual double getMass ()
const;
93 virtual FourVector getFourMomentum()
const;
96 virtual double getE()
const;
98 virtual double getPx()
const;
100 virtual double getPy()
const;
102 virtual double getPz()
const;
105 virtual double getP()
const;
107 virtual double getP2()
const;
109 virtual double getPt()
const;
111 virtual double getPt2()
const;
114 virtual double getDPx (
int ilocal
117 virtual double getDPy (
int ilocal
120 virtual double getDPz (
int ilocal
123 virtual double getDE (
int ilocal
126 virtual void getDerivatives (
double der[],
int idim)
const;
141 virtual std::ostream&
print (std::ostream& os
144 void test1stDerivatives ();
145 void test2ndDerivatives ();
159 virtual double getChi2 ()
const;
165 mutable FourVector fourMomentum;
168 double paramCycl[BaseDefs::MAXPAR];
172 #endif // __PARTICLEFITOBJECT_H
virtual ~ParticleFitObject()
Virtual destructor.
Definition: ParticleFitObject.cc:73
virtual double getDPy(int ilocal) const =0
Return d p_y / d par_ilocal (derivative of py w.r.t. local parameter ilocal)
double mass
mass of particle
Definition: ParticleFitObject.h:163
virtual double getChi2() const
Get chi squared from measured and fitted parameters.
Definition: ParticleFitObject.cc:285
virtual double getDE(int ilocal) const =0
Return d E / d par_ilocal (derivative of E w.r.t. local parameter ilocal)
virtual double getDPx(int ilocal) const =0
Return d p_x / d par_ilocal (derivative of px w.r.t. local parameter ilocal)
ParticleFitObject()
Default constructor.
Definition: ParticleFitObject.cc:66
double num2ndDerivative(int ilocal1, double eps1, int ilocal2, double eps2)
Evaluates numerically the 2nd derivative of chi2 w.r.t. 2 parameters.
Definition: ParticleFitObject.cc:251
virtual std::ostream & print4Vector(std::ostream &os) const
print the four-momentum (E, px, py, pz)
Definition: ParticleFitObject.cc:119
virtual double getE() const
Return E.
Definition: ParticleFitObject.cc:129
virtual ParticleFitObject & assign(const BaseFitObject &source)
Assign from anther object, if of same type.
Definition: ParticleFitObject.cc:99
virtual double getP2() const
Return p (momentum) squared.
Definition: ParticleFitObject.cc:144
virtual double getMass() const
Get mass of particle.
Definition: ParticleFitObject.cc:115
virtual void addToGlobalChi2DerMatrixNum(double *M, int idim, double eps)
Add numerically determined derivatives of chi squared to global covariance matrix.
Definition: ParticleFitObject.cc:174
virtual double getP() const
Return p (momentum)
Definition: ParticleFitObject.cc:141
virtual std::ostream & print(std::ostream &os) const
print object to ostream
Definition: ParticleFitObject.cc:155
Abstract base class for particle objects of kinematic fits.
Definition: ParticleFitObject.h:63
virtual double getPz() const
Return pz.
Definition: ParticleFitObject.cc:138
virtual double getDPz(int ilocal) const =0
Return d p_z / d par_ilocal (derivative of pz w.r.t. local parameter ilocal)
virtual double getPy() const
Return py.
Definition: ParticleFitObject.cc:135
double num1stDerivative(int ilocal, double eps)
Evaluates numerically the 1st derivative of chi2 w.r.t. a parameter.
Definition: ParticleFitObject.cc:240
virtual double getPt() const
Return pt (transverse momentum)
Definition: ParticleFitObject.cc:147
Declares class BaseFitObject.
virtual void addToGlobalChi2DerVectorNum(double *y, int idim, double eps)
Add numerically determined derivatives of chi squared to global derivative vector.
Definition: ParticleFitObject.cc:166
ParticleFitObject & operator=(const ParticleFitObject &rhs)
Assignment.
Definition: ParticleFitObject.cc:83
Abstract base class for particle objects of kinematic fits.
Definition: BaseFitObject.h:110
virtual double getPx() const
Return px.
Definition: ParticleFitObject.cc:132
virtual bool setMass(double mass_)
Set mass of particle; return=success.
Definition: ParticleFitObject.cc:90
virtual double getPt2() const
Return pt (transverse momentum) squared.
Definition: ParticleFitObject.cc:150
Declares class FourVector.