Inheritance diagram for ParticleFitObject:

Public Member Functions
	ParticleFitObject ()
	Default constructor.

	ParticleFitObject (const ParticleFitObject &rhs)
	Copy constructor.

ParticleFitObject &	operator= (const ParticleFitObject &rhs)
	Assignment.

virtual	~ParticleFitObject ()
	Virtual destructor.

virtual ParticleFitObject &	assign (const BaseFitObject &source) override
	Assign from anther object, if of same type.

virtual bool	setMass (double mass_)
	Set mass of particle; return=success.

virtual double	getMass () const
	Get mass of particle.

virtual std::ostream &	print4Vector (std::ostream &os) const
	print the four-momentum (E, px, py, pz)

virtual FourVector	getFourMomentum () const

virtual double	getE () const
	Return E.

virtual double	getPx () const
	Return px.

virtual double	getPy () const
	Return py.

virtual double	getPz () const
	Return pz.

virtual double	getP () const
	Return p (momentum)

virtual double	getP2 () const
	Return p (momentum) squared.

virtual double	getPt () const
	Return pt (transverse momentum)

virtual double	getPt2 () const
	Return pt (transverse momentum) squared.

virtual double	getDPx (int ilocal) const =0
	Return d p_x / d par_ilocal (derivative of px w.r.t. local parameter ilocal)

virtual double	getDPy (int ilocal) const =0
	Return d p_y / d par_ilocal (derivative of py w.r.t. local parameter ilocal)

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	getDE (int ilocal) const =0
	Return d E / d par_ilocal (derivative of E w.r.t. local parameter ilocal)

virtual void	getDerivatives (double der[], int idim) const override

virtual void	addToGlobalChi2DerMatrixNum (double *M, int idim, double eps)
	Add numerically determined derivatives of chi squared to global covariance matrix.

virtual void	addToGlobalChi2DerVectorNum (double *y, int idim, double eps)
	Add numerically determined derivatives of chi squared to global derivative vector.

virtual std::ostream &	print (std::ostream &os) const override
	print object to ostream

void	test1stDerivatives ()

void	test2ndDerivatives ()

double	num1stDerivative (int ilocal, double eps)
	Evaluates numerically the 1st derivative of chi2 w.r.t. a parameter.

double	num2ndDerivative (int ilocal1, double eps1, int ilocal2, double eps2)
	Evaluates numerically the 2nd derivative of chi2 w.r.t. 2 parameters.

virtual double	getChi2 () const override
	Get chi squared from measured and fitted parameters.

virtual BaseFitObject *	copy () const =0
	Return a new copy of itself.

virtual bool	setParam (int ilocal, double par_, bool measured_, bool fixed_=false)
	Set value and measured flag of parameter i; return: significant change.

virtual bool	setParam (int ilocal, double par_)
	Set value of parameter ilocal; return: significant change.

virtual bool	updateParams (double p[], int idim)
	Read values from global vector, readjust vector; return: significant change.

virtual bool	setMParam (int ilocal, double mpar_)
	Set measured value of parameter ilocal; return: success.

virtual bool	setError (int ilocal, double err_)
	Set error of parameter ilocal; return: success.

virtual bool	setCov (int ilocal, int jlocal, double cov_)
	Set covariance of parameters ilocal and jlocal; return: success.

virtual bool	setGlobalParNum (int ilocal, int iglobal)
	Set number of parameter ilocal in global list return true signals OK.

virtual bool	fixParam (int ilocal, bool fix=true)
	Fix a parameter (fix=true), or release it (fix=false)

virtual bool	releaseParam (int ilocal)
	Release a parameter.

virtual bool	isParamFixed (int ilocal) const
	Returns whether parameter is fixed.

virtual double	getParam (int ilocal) const
	Get current value of parameter ilocal.

virtual const char *	getParamName (int ilocal) const =0
	Get name of parameter ilocal.

virtual const char *	getName () const
	Get object's name.

void	setName (const char *name_)
	Set object's name.

virtual double	getMParam (int ilocal) const
	Get measured value of parameter ilocal.

virtual double	getError (int ilocal) const
	Get error of parameter ilocal.

virtual double	getCov (int ilocal, int jlocal) const
	Get covariance between parameters ilocal and jlocal.

virtual double	getRho (int ilocal, int jlocal) const
	Get correlation coefficient between parameters ilocal and jlocal.

virtual bool	isParamMeasured (int ilocal) const
	Get measured flag for parameter ilocal.

virtual int	getGlobalParNum (int ilocal) const
	Get global parameter number of parameter ilocal.

virtual int	getNPar () const =0
	Get total number of parameters of this FitObject.

virtual int	getNMeasured () const
	Get number of measured parameters of this FitObject.

virtual int	getNUnmeasured () const
	Get number of unmeasured parameters of this FitObject.

virtual int	getNFree () const
	Get number of free parameters of this FitObject.

virtual int	getNFixed () const
	Get number of fixed parameters of this FitObject.

virtual double	getDChi2DParam (int ilocal) const
	Get derivative of chi squared w.r.t. parameter ilocal.

virtual double	getD2Chi2DParam2 (int ilocal, int jlocal) const
	Get second derivative of chi squared w.r.t. parameters ilocal1 and ilocal2.

virtual std::ostream &	printParams (std::ostream &os) const
	print the parameters and errors

virtual std::ostream &	printRhoValues (std::ostream &os) const
	print the correlation coefficients

virtual std::ostream &	print1stDerivatives (std::ostream &os) const
	print the 1st derivatives wrt metaSet 0 (E, px, py, pz)

virtual std::ostream &	print2ndDerivatives (std::ostream &os) const
	print the 2nd derivatives wrt metaSet 0 (E, px, py, pz)

void	invalidateCache () const
	invalidate any cached quantities

virtual void	updateCache () const =0

virtual void	addToGlobCov (double *glcov, int idim) const
	Add covariance matrix elements to global covariance matrix of size idim x idim.

virtual int	addToGlobalChi2DerVector (double *y, int idim) const
	Add derivatives of chi squared to global derivative vector.

virtual void	addToGlobalChi2DerVector (double *y, int idim, double lambda, double der[], int metaSet) const
	Add derivatives of momentum vector to global derivative vector.

virtual void	addToGlobalChi2DerMatrix (double *M, int idim) const
	Add 2nd derivatives of chi squared to global derivative matrix.

virtual void	addTo1stDerivatives (double M[], int idim, double der[], int kglobal, int metaSet) const

virtual void	addTo2ndDerivatives (double der2[], int idim, double factor[], int metaSet) const

virtual void	addTo2ndDerivatives (double M[], int idim, double lambda, double der[], int metaSet) const

virtual double	getFirstDerivative_Meta_Local (int iMeta, int ilocal, int metaSet) const =0

virtual double	getSecondDerivative_Meta_Local (int iMeta, int ilocal, int jlocal, int metaSet) const =0

virtual void	initCov ()

virtual double	getError2 (double der[], int metaset) const

Protected Member Functions
virtual bool	calculateCovInv () const
	Calculate the inverse of the covariance matrix.

Protected Attributes
double	mass
	mass of particle

FourVector	fourMomentum

double	paramCycl [BaseDefs::MAXPAR]

char *	name

double	par [BaseDefs::MAXPAR]
	fit parameters

double	mpar [BaseDefs::MAXPAR]
	measured parameters

bool	measured [BaseDefs::MAXPAR]
	measured flag

bool	fixed [BaseDefs::MAXPAR]
	fixed flag

int	globalParNum [BaseDefs::MAXPAR]
	global parameter number for each parameter

double	cov [BaseDefs::MAXPAR][BaseDefs::MAXPAR]
	local covariance matrix

double	covinv [BaseDefs::MAXPAR][BaseDefs::MAXPAR]
	inverse pf local covariance matrix

bool	covinvvalid
	flag for valid inverse covariance matrix

bool	cachevalid
	flag for valid cache

Static Protected Attributes
static const double	eps2 = 0.0001

Related Functions
(Note that these are not member functions.)
std::ostream &	operator<< (std::ostream &os, const BaseFitObject &bfo)
	Prints out a BaseFitObject, using its print method.

Detailed Description

Definition at line 79 of file ParticleFitObject.h.

Constructor & Destructor Documentation

◆ ParticleFitObject() [1/2]

ParticleFitObject ( )

Default constructor.

Definition at line 39 of file ParticleFitObject.cc.

      : mass(0), fourMomentum(FourVector(0, 0, 0, 0)), paramCycl{}
    {
      for (double& i : paramCycl)
        i = -1;
    }

◆ ParticleFitObject() [2/2]

ParticleFitObject ( const ParticleFitObject & rhs )

Copy constructor.

Parameters

rhs	right hand side

Definition at line 48 of file ParticleFitObject.cc.

      : BaseFitObject(rhs), mass(0), fourMomentum(FourVector(0, 0, 0, 0)), paramCycl{}
    {
      //B2INFO( "copying ParticleFitObject with name" << rhs.name );
      ParticleFitObject::assign(rhs);
    }

Member Function Documentation

◆ addTo1stDerivatives()

void addTo1stDerivatives	(	double	M[],
		int	idim,
		double	der[],
		int	kglobal,
		int	metaSet
	)		const

virtualinherited

Definition at line 515 of file BaseFitObject.cc.

    {
      if (!cachevalid) updateCache();
      for (int ilocal = 0; ilocal < getNPar(); ilocal++) {
        int iglobal = globalParNum[ilocal];
        if (iglobal >= 0) {
          for (int j = 0; j < BaseDefs::nMetaVars[metaSet]; j++) {
            double x = der[j] * getFirstDerivative_Meta_Local(j, ilocal, metaSet);
            M[idim * kglobal + iglobal] += x;
            M[idim * iglobal + kglobal] += x;
          }
        }
      }
      return;
    }

◆ addTo2ndDerivatives() [1/2]

void addTo2ndDerivatives	(	double	der2[],
		int	idim,
		double	factor[],
		int	metaSet
	)		const

virtualinherited

Definition at line 534 of file BaseFitObject.cc.

    {
      if (!cachevalid) updateCache();
      for (int ilocal = 0; ilocal < getNPar(); ilocal++) {
        int iglobal = getGlobalParNum(ilocal);
        if (iglobal < 0) continue;
        for (int jlocal = ilocal; jlocal < getNPar(); jlocal++) {
          int jglobal = getGlobalParNum(jlocal);
          if (jglobal < 0) continue;
          double sum(0);
          for (int imeta = 0; imeta < BaseDefs::nMetaVars[metaSet]; imeta++) {
            sum += factor[imeta] * getSecondDerivative_Meta_Local(imeta, ilocal, jlocal, metaSet);
          }
          der2[idim * iglobal + jglobal] += sum;
          if (iglobal != jglobal) der2[idim * jglobal + iglobal] += sum;
        }
      }
      return;
    }

◆ addTo2ndDerivatives() [2/2]

void addTo2ndDerivatives	(	double	M[],
		int	idim,
		double	lambda,
		double	der[],
		int	metaSet
	)		const

virtualinherited

Definition at line 559 of file BaseFitObject.cc.

    {
      double factor[BaseDefs::MAXINTERVARS];
      for (int i = 0; i < BaseDefs::nMetaVars[metaSet]; i++) factor[i] = lambda * der[i];
      addTo2ndDerivatives(M, idim, factor, metaSet);
      return;
    }

◆ addToGlobalChi2DerMatrix()

void addToGlobalChi2DerMatrix	(	double *	M,
		int	idim
	)		const

virtualinherited

Add 2nd derivatives of chi squared to global derivative matrix.

Parameters

M	Global derivative matrix
idim	First dimension of global derivative matrix

Definition at line 462 of file BaseFitObject.cc.

    {
      if (!covinvvalid) calculateCovInv();
      for (int ilocal = 0; ilocal < getNPar(); ++ilocal) {
        if (!isParamFixed(ilocal) && isParamMeasured(ilocal)) {
          int iglobal = getGlobalParNum(ilocal);
          assert(iglobal >= 0 && iglobal < idim);
          int ioffs = idim * iglobal;
          for (int jlocal = 0; jlocal < getNPar(); ++jlocal) {
            if (!isParamFixed(jlocal) && isParamMeasured(jlocal)) {
              int jglobal = getGlobalParNum(jlocal);
              assert(jglobal >= 0 && jglobal < idim);
              M[ioffs + jglobal] += getD2Chi2DParam2(ilocal, jlocal);
            }
          }
        }
      }
    }

◆ addToGlobalChi2DerMatrixNum()

void addToGlobalChi2DerMatrixNum	(	double *	M,
		int	idim,
		double	eps
	)

virtual

Add numerically determined derivatives of chi squared to global covariance matrix.

Parameters

M	Global covariance matrix
idim	First dimension of global covariance matrix
eps	Parameter variation

Definition at line 162 of file ParticleFitObject.cc.

    {
      for (int ilocal1 = 0; ilocal1 < getNPar(); ++ilocal1) {
        int iglobal1 = getGlobalParNum(ilocal1);
        for (int ilocal2 = ilocal1; ilocal2 < getNPar(); ++ilocal2) {
          int iglobal2 = getGlobalParNum(ilocal2);
          M[idim * iglobal1 + iglobal2] += num2ndDerivative(ilocal1, eps, ilocal2, eps);
        }
      }
    }

◆ addToGlobalChi2DerVector() [1/2]

int addToGlobalChi2DerVector	(	double *	y,
		int	idim
	)		const

virtualinherited

Add derivatives of chi squared to global derivative vector.

Parameters

y	Vector of chi2 derivatives
idim	Vector size

Definition at line 482 of file BaseFitObject.cc.

    {
      // This adds the dChi2/dpar piece
      assert(getNPar() <= BaseDefs::MAXPAR);
      if (not covinvvalid and not calculateCovInv()) return 0;
      for (int ilocal = 0; ilocal < getNPar(); ++ilocal) {
        if (!isParamFixed(ilocal) && isParamMeasured(ilocal)) {
          int iglobal = getGlobalParNum(ilocal);
          assert(iglobal >= 0 && iglobal < idim);
          y[iglobal] += getDChi2DParam(ilocal);
        }
      }
      return 0;
    }

◆ addToGlobalChi2DerVector() [2/2]

void addToGlobalChi2DerVector	(	double *	y,
		int	idim,
		double	lambda,
		double	der[],
		int	metaSet
	)		const

virtualinherited

Add derivatives of momentum vector to global derivative vector.

Parameters

y	Vector of chi2 derivatives
idim	Vector size
lambda	The lambda value
der	derivatives of constraint wrt intermediate variables (e.g. 4-vector with dg/dE, dg/dpx, dg/dpy, dg/dpz)
metaSet	which set of intermediate variables

Definition at line 498 of file BaseFitObject.cc.

    {
      // This adds the lambda * dConst/dpar piece
      if (!cachevalid) updateCache();
      for (int ilocal = 0; ilocal < getNPar(); ilocal++) {
        int iglobal = globalParNum[ilocal];
        if (iglobal >= 0) {
          assert(iglobal < idim);
          for (int j = 0; j < BaseDefs::nMetaVars[metaSet]; j++) {
            y[iglobal] += lambda * der[j] * getFirstDerivative_Meta_Local(j, ilocal, metaSet);
          }
        }
      }
    }

◆ addToGlobalChi2DerVectorNum()

void addToGlobalChi2DerVectorNum	(	double *	y,
		int	idim,
		double	eps
	)

virtual

Add numerically determined derivatives of chi squared to global derivative vector.

Parameters

y	Vector of chi2 derivatives
idim	Vector size
eps	Parameter variation

Definition at line 152 of file ParticleFitObject.cc.

    {
      for (int ilocal = 0; ilocal < getNPar(); ++ilocal) {
        int iglobal = getGlobalParNum(ilocal);
        assert(iglobal >= 0 && iglobal < idim);
        y[iglobal] += num1stDerivative(ilocal, eps);
      }
    }

◆ addToGlobCov()

void addToGlobCov	(	double *	glcov,
		int	idim
	)		const

virtualinherited

Add covariance matrix elements to global covariance matrix of size idim x idim.

Parameters

glcov	Global covariance matrix
idim	First dimension of global derivative matrix

Definition at line 217 of file BaseFitObject.cc.

    {
      for (int ilocal = 0; ilocal < getNPar(); ++ilocal) {
        if (!isParamFixed(ilocal) && isParamMeasured(ilocal)) {
          int iglobal = getGlobalParNum(ilocal);
          assert(iglobal >= 0 && iglobal < idim);
          int ioffs = idim * iglobal;
          for (int jlocal = 0; jlocal < getNPar(); ++jlocal) {
            if (!isParamFixed(jlocal) && isParamMeasured(jlocal)) {
              int jglobal = getGlobalParNum(jlocal);
              assert(jglobal >= 0 && jglobal < idim);
              globCov[ioffs + jglobal] += getCov(ilocal, jlocal);
            }
          }
        }
      }
    }

◆ assign()

ParticleFitObject & assign ( const BaseFitObject & source )

overridevirtual

Assign from anther object, if of same type.

Parameters

source The source object

Reimplemented from BaseFitObject.

Reimplemented in ISRPhotonFitObject, JetFitObject, NeutrinoFitObject, and PxPyPzMFitObject.

Definition at line 73 of file ParticleFitObject.cc.

    {
      if (const auto* psource = dynamic_cast<const ParticleFitObject*>(&source)) {
        if (psource != this) {
          BaseFitObject::assign(source);
          mass = psource->mass;
          for (int i = 0; i < BaseDefs::MAXPAR; ++i)
            paramCycl[i] = psource->paramCycl[i];
        }
      } else {
        assert(0);
      }
      return *this;
    }

◆ calculateCovInv()

bool calculateCovInv ( ) const

protectedvirtualinherited

Calculate the inverse of the covariance matrix.

Definition at line 235 of file BaseFitObject.cc.

    {
 
      // DANIEL added
 
      int n = getNPar();
 
      gsl_matrix* covm = gsl_matrix_alloc(n, n);
      gsl_matrix_set_identity(covm);
 
      for (int i = 0; i < n; ++i) {
        if (isParamMeasured(i)) {
          for (int j = 0; j < n; ++j) {
            if (isParamMeasured(j)) {
              gsl_matrix_set(covm, i, j, cov[i][j]);
            }
          }
        }
      }
      gsl_error_handler_t* e = gsl_set_error_handler_off();
      int result = gsl_linalg_cholesky_decomp(covm);
      if (result == 0) result = gsl_linalg_cholesky_invert(covm);
      gsl_set_error_handler(e);
 
      for (int i = 0; i < n; ++i) {
        for (int j = 0; j < i; ++j) {
          covinv[i][j] = covinv[j][i] = gsl_matrix_get(covm, i, j);
        }
        covinv[i][i] = gsl_matrix_get(covm, i, i);
      }
 
      gsl_matrix_free(covm);
      covinvvalid = (result == 0);
 
      if (!covinvvalid) {
        B2WARNING("ERROR, COULD NOT INVERT COV MATR!");
 
        B2INFO("COV ");
        for (int i = 0; i < n; ++i) {
          if (isParamMeasured(i)) {
            for (int j = 0; j < n; ++j) {
              if (isParamMeasured(j)) {
                B2INFO(cov[i][j] << " ");
              }
            }
          }
        }
 
        B2INFO("CORREL ");
        for (int i = 0; i < n; ++i) {
          if (isParamMeasured(i)) {
            for (int j = 0; j < n; ++j) {
              if (isParamMeasured(j)) {
                B2INFO(cov[i][j] / sqrt(cov[i][i]*cov[j][j]) << " ");
              }
            }
          }
        }
 
      }
 
      return covinvvalid;
    }

◆ copy()

virtual BaseFitObject * copy ( ) const

pure virtualinherited

Return a new copy of itself.

Implemented in ISRPhotonFitObject, JetFitObject, NeutrinoFitObject, and PxPyPzMFitObject.

◆ fixParam()

bool fixParam	(	int	ilocal,
		bool	fix = `true`
	)

virtualinherited

Fix a parameter (fix=true), or release it (fix=false)

Parameters

ilocal	Local parameter number
fix	fix if true, release if false

Definition at line 352 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      return fixed [ilocal] = fix;
    }

◆ getChi2()

double getChi2 ( ) const

overridevirtual

Get chi squared from measured and fitted parameters.

Reimplemented from BaseFitObject.

Definition at line 276 of file ParticleFitObject.cc.

    {
      // reimplemented here to take account of cyclical variables e.g azimuthal angle phi - DJeans
 
      if (not covinvvalid and not calculateCovInv()) return 0;
 
      double resid[BaseDefs::MAXPAR] = {0};
      for (int i = 0; i < getNPar(); i++) {
        if (isParamMeasured(i) && !isParamFixed(i)) {
          resid[i] = par[i] - mpar[i];
          if (paramCycl[i] > 0) {
            resid[i] = fmod(resid[i], paramCycl[i]);
            if (resid[i] >  paramCycl[i] / 2) resid[i] -= paramCycl[i];
            if (resid[i] < -paramCycl[i] / 2) resid[i] += paramCycl[i];
          }
        }
      }
 
 
      double chi2 = 0;
      for (int i = 0; i < getNPar(); i++) {
        if (isParamMeasured(i) && !isParamFixed(i)) {
          for (int j = 0; j < getNPar(); j++) {
            if (isParamMeasured(j) && !isParamFixed(j)) {
              chi2 += resid[i] * covinv[i][j] * resid[j];
              // B2INFO( getName () << " === " << i << " " << j << " : " <<
              // resid[i] << "*" << covinv[i][j] << "*" << resid[j] << " = " << resid[i]*covinv[i][j]*resid[j] << " , sum " << chi2);
            }
          }
        }
      }
 
      //  B2INFO("ParticleFitObject::getChi2 () chi2 = " << chi2 );
      return chi2;
    }

◆ getCov()

double getCov	(	int	ilocal,
		int	jlocal
	)		const

virtualinherited

Get covariance between parameters ilocal and jlocal.

Parameters

ilocal	Local parameter number i
jlocal	Local parameter number j

Reimplemented in JetFitObject.

Definition at line 389 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      assert(jlocal >= 0 && jlocal < getNPar());
      return cov[ilocal][jlocal];
    }

◆ getD2Chi2DParam2()

double getD2Chi2DParam2	(	int	ilocal,
		int	jlocal
	)		const

virtualinherited

Get second derivative of chi squared w.r.t. parameters ilocal1 and ilocal2.

Parameters

ilocal	Local parameter number i
jlocal	Local parameter number j

Definition at line 449 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      assert(jlocal >= 0 && jlocal < getNPar());
      if (isParamFixed(ilocal) || !isParamMeasured(ilocal) ||
          isParamFixed(jlocal) || !isParamMeasured(jlocal))
        return 0;
      if (not covinvvalid and not calculateCovInv()) return 0;
      return 2 * covinv[ilocal][jlocal]; // JL: ok in absence of soft constraints
    }

◆ getDChi2DParam()

double getDChi2DParam ( int ilocal ) const

virtualinherited

Get derivative of chi squared w.r.t. parameter ilocal.

Parameters

ilocal Local parameter number

Definition at line 435 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      if (isParamFixed(ilocal) || !isParamMeasured(ilocal)) return 0;
 
      if (not covinvvalid and not calculateCovInv()) return 0;
 
      double result = 0;
      for (int jlocal = 0; jlocal < getNPar(); jlocal++)
        if (!isParamFixed(jlocal) && isParamMeasured(jlocal))
          result += covinv[ilocal][jlocal] * (par[jlocal] - mpar[jlocal]);
      return 2 * result;
    }

◆ getDE()

virtual double getDE ( int ilocal ) const

pure virtual

Return d E / d par_ilocal (derivative of E w.r.t. local parameter ilocal)

Parameters

ilocal Local parameter number

Implemented in ISRPhotonFitObject, JetFitObject, NeutrinoFitObject, and PxPyPzMFitObject.

◆ getDerivatives()

void getDerivatives	(	double	der[],
		int	idim
	)		const

overridevirtual

Implements BaseFitObject.

Definition at line 173 of file ParticleFitObject.cc.

    {
      for (int ilocal = 0; ilocal < getNPar(); ++ilocal) {
        assert(ilocal < idim);
        der [4 * ilocal]   = getDE(ilocal);
        der [4 * ilocal + 1] = getDPx(ilocal);
        der [4 * ilocal + 2] = getDPy(ilocal);
        der [4 * ilocal + 3] = getDPz(ilocal);
      }
    }

◆ getDPx()

virtual double getDPx ( int ilocal ) const

pure virtual

Return d p_x / d par_ilocal (derivative of px w.r.t. local parameter ilocal)

Parameters

ilocal Local parameter number

Implemented in ISRPhotonFitObject, JetFitObject, NeutrinoFitObject, and PxPyPzMFitObject.

◆ getDPy()

virtual double getDPy ( int ilocal ) const

pure virtual

Return d p_y / d par_ilocal (derivative of py w.r.t. local parameter ilocal)

Parameters

ilocal Local parameter number

Implemented in ISRPhotonFitObject, JetFitObject, NeutrinoFitObject, and PxPyPzMFitObject.

◆ getDPz()

virtual double getDPz ( int ilocal ) const

pure virtual

Return d p_z / d par_ilocal (derivative of pz w.r.t. local parameter ilocal)

Parameters

ilocal Local parameter number

Implemented in ISRPhotonFitObject, JetFitObject, NeutrinoFitObject, and PxPyPzMFitObject.

◆ getE()

double getE ( ) const

virtual

Return E.

Definition at line 106 of file ParticleFitObject.cc.

    {
      return getFourMomentum().getE();
    }

◆ getError()

double getError ( int ilocal ) const

virtualinherited

Get error of parameter ilocal.

Parameters

ilocal Local parameter number

Reimplemented in JetFitObject.

Definition at line 383 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      return std::sqrt(cov[ilocal][ilocal]);
    }

◆ getError2()

double getError2	(	double	der[],
		int	metaset
	)		const

virtualinherited

Definition at line 597 of file BaseFitObject.cc.

    {
      if (!cachevalid) updateCache();
      double totError(0);
      for (int i = 0; i < BaseDefs::nMetaVars[metaSet]; i++) {
        for (int j = 0; j < BaseDefs::nMetaVars[metaSet]; j++) {
          double cov_i_j = 0; // this will become the covariance of intermediate variables i and j
          for (int k = 0; k < getNPar(); k++) {
            for (int l = 0; l < getNPar(); l++) {
              cov_i_j += getFirstDerivative_Meta_Local(i, k, metaSet) * cov[k][l] * getFirstDerivative_Meta_Local(j, l, metaSet);
            }
          }
          totError += der[i] * der[j] * cov_i_j;
        }
      }
      return totError;
    }

◆ getFirstDerivative_Meta_Local()

virtual double getFirstDerivative_Meta_Local	(	int	iMeta,
		int	ilocal,
		int	metaSet
	)		const

pure virtualinherited

Implemented in JetFitObject.

◆ getFourMomentum()

FourVector getFourMomentum ( ) const

virtual

Definition at line 101 of file ParticleFitObject.cc.

    {
      if (!cachevalid) updateCache();
      return fourMomentum;
    }

◆ getGlobalParNum()

int getGlobalParNum ( int ilocal ) const

virtualinherited

Get global parameter number of parameter ilocal.

Parameters

ilocal Local parameter number

Definition at line 365 of file BaseFitObject.cc.

    {
      if (ilocal < 0 || ilocal >= getNPar()) return -1;
      return globalParNum[ilocal];
    }

◆ getMass()

double getMass ( ) const

virtual

Get mass of particle.

Definition at line 89 of file ParticleFitObject.cc.

    {
      return mass;
    }

◆ getMParam()

double getMParam ( int ilocal ) const

virtualinherited

Get measured value of parameter ilocal.

Parameters

ilocal Local parameter number

Definition at line 377 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      return mpar[ilocal];
    }

◆ getName()

const char * getName ( ) const

virtualinherited

Get object's name.

Definition at line 107 of file BaseFitObject.cc.

    {
      return name ? name : "???";
    }

◆ getNFixed()

int getNFixed ( ) const

virtualinherited

Get number of fixed parameters of this FitObject.

Definition at line 130 of file BaseFitObject.cc.

    {
      int nfixed = 0;
      for (int i = 0; i < getNPar(); ++i) if (isParamFixed(i)) ++nfixed;
      return nfixed;
    }

◆ getNFree()

int getNFree ( ) const

virtualinherited

Get number of free parameters of this FitObject.

Definition at line 124 of file BaseFitObject.cc.

    {
      int nfree = 0;
      for (int i = 0; i < getNPar(); ++i) if (!isParamFixed(i)) ++nfree;
      return nfree;
    }

◆ getNMeasured()

int getNMeasured ( ) const

virtualinherited

Get number of measured parameters of this FitObject.

Definition at line 112 of file BaseFitObject.cc.

    {
      int nmeasured = 0;
      for (int i = 0; i < getNPar(); ++i) if (isParamMeasured(i) && !isParamFixed(i)) ++nmeasured;
      return nmeasured;
    }

◆ getNPar()

virtual int getNPar ( ) const

pure virtualinherited

Get total number of parameters of this FitObject.

Implemented in ISRPhotonFitObject, JetFitObject, NeutrinoFitObject, and PxPyPzMFitObject.

◆ getNUnmeasured()

int getNUnmeasured ( ) const

virtualinherited

Get number of unmeasured parameters of this FitObject.

Definition at line 118 of file BaseFitObject.cc.

    {
      int nunmeasrd = 0;
      for (int i = 0; i < getNPar(); ++i) if (!isParamMeasured(i) && !isParamFixed(i)) ++nunmeasrd;
      return nunmeasrd;
    }

◆ getP()

double getP ( ) const

virtual

Return p (momentum)

Definition at line 122 of file ParticleFitObject.cc.

    {
      return getFourMomentum().getP();
    }

◆ getP2()

double getP2 ( ) const

virtual

Return p (momentum) squared.

Definition at line 126 of file ParticleFitObject.cc.

    {
      return getFourMomentum().getP2();
    }

◆ getParam()

double getParam ( int ilocal ) const

virtualinherited

Get current value of parameter ilocal.

Parameters

ilocal Local parameter number

Definition at line 371 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      return par[ilocal];
    }

◆ getParamName()

virtual const char * getParamName ( int ilocal ) const

pure virtualinherited

Get name of parameter ilocal.

Parameters

ilocal Local parameter number

Implemented in ISRPhotonFitObject, JetFitObject, NeutrinoFitObject, and PxPyPzMFitObject.

◆ getPt()

double getPt ( ) const

virtual

Return pt (transverse momentum)

Definition at line 130 of file ParticleFitObject.cc.

    {
      return getFourMomentum().getPt();
    }

◆ getPt2()

double getPt2 ( ) const

virtual

Return pt (transverse momentum) squared.

Definition at line 134 of file ParticleFitObject.cc.

    {
      return getFourMomentum().getPt2();
    }

◆ getPx()

double getPx ( ) const

virtual

Return px.

Definition at line 110 of file ParticleFitObject.cc.

    {
      return getFourMomentum().getPx();
    }

◆ getPy()

double getPy ( ) const

virtual

Return py.

Definition at line 114 of file ParticleFitObject.cc.

    {
      return getFourMomentum().getPy();
    }

◆ getPz()

double getPz ( ) const

virtual

Return pz.

Definition at line 118 of file ParticleFitObject.cc.

    {
      return getFourMomentum().getPz();
    }

◆ getRho()

double getRho	(	int	ilocal,
		int	jlocal
	)		const

virtualinherited

Get correlation coefficient between parameters ilocal and jlocal.

Parameters

ilocal	Local parameter number i
jlocal	Local parameter number j

Definition at line 396 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      assert(jlocal >= 0 && jlocal < getNPar());
      return cov[ilocal][jlocal] / std::sqrt(cov[ilocal][ilocal] * cov[jlocal][jlocal]);
    }

◆ initCov()

void initCov ( )

virtualinherited

Definition at line 587 of file BaseFitObject.cc.

    {
      for (int i = 0; i < getNPar(); ++i) {
        for (int j = 0; j < getNPar(); ++j) {
          cov[i][j] = static_cast<double>(i == j);
        }
      }
    }

◆ invalidateCache()

void invalidateCache ( ) const

inlineinherited

invalidate any cached quantities

Definition at line 241 of file BaseFitObject.h.

241{cachevalid = false;};

◆ isParamFixed()

bool isParamFixed ( int ilocal ) const

virtualinherited

Returns whether parameter is fixed.

Parameters

ilocal Local parameter number

Definition at line 408 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      return fixed[ilocal];
    }

◆ isParamMeasured()

bool isParamMeasured ( int ilocal ) const

virtualinherited

Get measured flag for parameter ilocal.

Parameters

ilocal Local parameter number

Definition at line 402 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      return measured[ilocal];
    }

◆ num1stDerivative()

double num1stDerivative	(	int	ilocal,
		double	eps
	)

Evaluates numerically the 1st derivative of chi2 w.r.t. a parameter.

Parameters

ilocal	Local parameter number
eps	variation of local parameter

Definition at line 230 of file ParticleFitObject.cc.

    {
      double save = getParam(ilocal);
      setParam(ilocal, save + eps);
      double v1 = getChi2();
      setParam(ilocal, save - eps);
      double v2 = getChi2();
      double result = (v1 - v2) / (2 * eps);
      setParam(ilocal, save);
      return result;
    }

◆ num2ndDerivative()

double num2ndDerivative	(	int	ilocal1,
		double	eps1,
		int	ilocal2,
		double	eps2
	)

Evaluates numerically the 2nd derivative of chi2 w.r.t. 2 parameters.

Parameters

ilocal1	1st local parameter number
eps1	variation of 1st local parameter
ilocal2	1st local parameter number
eps2	variation of 2nd local parameter

Definition at line 242 of file ParticleFitObject.cc.

    {
      double result;
 
      if (ilocal1 == ilocal2) {
        double save = getParam(ilocal1);
        double v0 = getChi2();
        setParam(ilocal1, save + eeps1);
        double v1 = getChi2();
        setParam(ilocal1, save - eeps1);
        double v2 = getChi2();
        result = (v1 + v2 - 2 * v0) / (eeps1 * eeps1);
        setParam(ilocal1, save);
      } else {
        double save1 = getParam(ilocal1);
        double save2 = getParam(ilocal2);
        setParam(ilocal1, save1 + eeps1);
        setParam(ilocal2, save2 + eeps2);
        double v11 = getChi2();
        setParam(ilocal2, save2 - eeps2);
        double v12 = getChi2();
        setParam(ilocal1, save1 - eeps1);
        double v22 = getChi2();
        setParam(ilocal2, save2 + eeps2);
        double v21 = getChi2();
        result = (v11 + v22 - v12 - v21) / (4 * eeps1 * eeps2);
        setParam(ilocal1, save1);
        setParam(ilocal2, save2);
      }
      return result;
    }

◆ operator=()

ParticleFitObject & operator= ( const ParticleFitObject & rhs )

Assignment.

Parameters

rhs	right hand side

Definition at line 55 of file ParticleFitObject.cc.

    {
      if (this != &rhs) {
        assign(rhs);  // calls virtual function assign of derived class
      }
      return *this;
    }

◆ print()

std::ostream & print ( std::ostream & os ) const

overridevirtual

print object to ostream

Parameters

os	The output stream

Implements BaseFitObject.

Definition at line 140 of file ParticleFitObject.cc.

    {
 
      if (!cachevalid) updateCache();
 
      printParams(os);
      os << " => ";
      print4Vector(os);
      os << std::endl;
      return os;
    }

◆ print1stDerivatives()

std::ostream & print1stDerivatives ( std::ostream & os ) const

virtualinherited

print the 1st derivatives wrt metaSet 0 (E, px, py, pz)

Parameters

os	The output stream

Definition at line 164 of file BaseFitObject.cc.

    {
      int metaSet = 0;
      os << "#";
      for (int i = 0; i < BaseDefs::nMetaVars[metaSet]; ++i) {
        for (int j = 0; j < getNPar(); ++j) {
          if (i > 0 && j == 0) os << ",";
          os << " " << getFirstDerivative_Meta_Local(i, j, metaSet);
        }
      }
      os << "#" << std::endl;
      return os;
    }

◆ print2ndDerivatives()

std::ostream & print2ndDerivatives ( std::ostream & os ) const

virtualinherited

print the 2nd derivatives wrt metaSet 0 (E, px, py, pz)

Parameters

os	The output stream

Definition at line 178 of file BaseFitObject.cc.

    {
      int metaSet = 0;
      os << "##";
      for (int i = 0; i < BaseDefs::nMetaVars[metaSet]; ++i) {
        if (i > 0) os << std::endl << "  ";
        for (int j = 0; j < getNPar(); ++j) {
          for (int k = 0; k < getNPar(); ++k) {
//              if (i>0 && k==0) os << ",";
            os << " " << getSecondDerivative_Meta_Local(i, j, k, metaSet);
            if (k == getNPar() - 1) os << ",";
          }
        }
      }
      os << "##" << std::endl;
      return os;
    }

◆ print4Vector()

std::ostream & print4Vector ( std::ostream & os ) const

virtual

print the four-momentum (E, px, py, pz)

Parameters

os	The output stream

Definition at line 94 of file ParticleFitObject.cc.

    {
      os << "[" << getE() << ", " << getPx() << ", "
         << getPy() << ", "  << getPz() << "]";
      return os;
    }

◆ printParams()

std::ostream & printParams ( std::ostream & os ) const

virtualinherited

print the parameters and errors

Parameters

os	The output stream

Definition at line 137 of file BaseFitObject.cc.

    {
      os << "(";
      for (int i = 0; i < getNPar(); ++i) {
        if (i > 0) os << ", ";
        os << " " << getParam(i);
        if (isParamFixed(i))  os << " fix";
//    else if (getError(i)>0) os << " \261 " << getError(i);
        else if (getError(i) > 0) os << " +- " << getError(i);   // " \261 " appeared as <B1> in ASCII ...    Graham
      }
      os << ")";
      return os;
    }

◆ printRhoValues()

std::ostream & printRhoValues ( std::ostream & os ) const

virtualinherited

print the correlation coefficients

Parameters

os	The output stream

Definition at line 151 of file BaseFitObject.cc.

    {
      os << "{";
      for (int i = 0; i < getNPar(); ++i) {
        for (int j = 0; j < getNPar(); ++j) {
          if (i > 0 && j == 0) os << ",";
          os << " " << getRho(i, j);
        }
      }
      os << "}" << std::endl;
      return os;
    }

◆ releaseParam()

virtual bool releaseParam ( int ilocal )

inlinevirtualinherited

Release a parameter.

Parameters

ilocal Local parameter number

Definition at line 157 of file BaseFitObject.h.

159 { return fixParam(ilocal, false); }

Belle2::OrcaKinFit::BaseFitObject::fixParam

virtual bool fixParam(int ilocal, bool fix=true)

Fix a parameter (fix=true), or release it (fix=false)

Definition: BaseFitObject.cc:352

◆ setCov()

bool setCov	(	int	ilocal,
		int	jlocal,
		double	cov_
	)

virtualinherited

Set covariance of parameters ilocal and jlocal; return: success.

Parameters

ilocal	Local parameter number
jlocal	Local parameter number
cov_	New error value

Definition at line 340 of file BaseFitObject.cc.

    {
      if (!isfinite(cov_)) return false;
      assert(ilocal >= 0 && ilocal < getNPar());
      assert(jlocal >= 0 && jlocal < getNPar());
      invalidateCache();
      covinvvalid = false;
      cov[ilocal][jlocal] = cov[jlocal][ilocal] = cov_;
      return true;
    }

◆ setError()

bool setError	(	int	ilocal,
		double	err_
	)

virtualinherited

Set error of parameter ilocal; return: success.

Parameters

ilocal	Local parameter number
err_	New error value

Definition at line 330 of file BaseFitObject.cc.

    {
      if (!isfinite(err_)) return false;
      assert(ilocal >= 0 && ilocal < getNPar());
      invalidateCache();
      covinvvalid = false;
      cov[ilocal][ilocal] = err_ * err_;
      return true;
    }

◆ setGlobalParNum()

bool setGlobalParNum	(	int	ilocal,
		int	iglobal
	)

virtualinherited

Set number of parameter ilocal in global list return true signals OK.

Parameters

ilocal	Local parameter number
iglobal	New global parameter number

Definition at line 358 of file BaseFitObject.cc.

    {
      if (ilocal < 0 || ilocal >= getNPar()) return false;
      globalParNum[ilocal] = iglobal;
      return true;
    }

◆ setMass()

bool setMass ( double mass_ )

virtual

Set mass of particle; return=success.

Definition at line 63 of file ParticleFitObject.cc.

    {
      if (!isfinite(mass_)) return false;
      if (mass == mass_) return true;
      invalidateCache();
      mass = std::abs(mass_);
      return true;
    }

◆ setMParam()

bool setMParam	(	int	ilocal,
		double	mpar_
	)

virtualinherited

Set measured value of parameter ilocal; return: success.

Parameters

ilocal	Local parameter number
mpar_	New measured parameter value

Definition at line 320 of file BaseFitObject.cc.

    {
      if (!isfinite(mpar_)) return false;
      assert(ilocal >= 0 && ilocal < getNPar());
      if (mpar[ilocal] == mpar_) return true;
      invalidateCache();
      mpar[ilocal] = mpar_;
      return true;
    }

◆ setName()

void setName ( const char * name_ )

inherited

Set object's name.

Definition at line 98 of file BaseFitObject.cc.

    {
      if (name_ == nullptr) return;
      size_t l = strlen(name_);
      if (name) delete[] name;
      name = new char[l + 1];
      strcpy(name, name_);
    }

◆ setParam() [1/2]

bool setParam	(	int	ilocal,
		double	par_
	)

virtualinherited

Set value of parameter ilocal; return: significant change.

Parameters

ilocal	Local parameter number
par_	New parameter value

Definition at line 309 of file BaseFitObject.cc.

    {
      if (!isfinite(par_)) return true;
      assert(ilocal >= 0 && ilocal < getNPar());
      if (par[ilocal] == par_) return false;
      invalidateCache();
      bool result = pow((par_ - par[ilocal]), 2) > eps2 * cov[ilocal][ilocal];
      par[ilocal] = par_;
      return result;
    }

◆ setParam() [2/2]

bool setParam	(	int	ilocal,
		double	par_,
		bool	measured_,
		bool	fixed_ = `false`
	)

virtualinherited

Set value and measured flag of parameter i; return: significant change.

Parameters

ilocal	Local parameter number
par_	New parameter value
measured_	New "measured" flag
fixed_	New "fixed" flag

Definition at line 299 of file BaseFitObject.cc.

    {
      assert(ilocal >= 0 && ilocal < getNPar());
      if (measured[ilocal] != measured_ || fixed[ilocal] != fixed_) invalidateCache();
      measured[ilocal] = measured_;
      fixed[ilocal] = fixed_;
      return setParam(ilocal, par_);
    }

◆ test1stDerivatives()

void test1stDerivatives ( )

Definition at line 184 of file ParticleFitObject.cc.

    {
      B2INFO("ParticleFitObject::test1stDerivatives, object " << getName() << "\n");
      double ycalc[100], ynum[100];
      for (int i = 0; i < 100; ++i) ycalc[i] = ynum[i] = 0;
      addToGlobalChi2DerVector(ycalc, 100);
      double eps = 0.00001;
      addToGlobalChi2DerVectorNum(ynum, 100, eps);
      for (int ilocal = 0; ilocal < getNPar(); ++ilocal) {
        int iglobal = getGlobalParNum(ilocal);
        double calc = ycalc[iglobal];
        double num = ynum[iglobal];
        B2INFO("fo: " << getName() << " par " << ilocal << "/"
               << iglobal << " (" << getParamName(ilocal)
               << ") calc: " << calc << " - num: " << num << " = " << calc - num);
      }
    }

◆ test2ndDerivatives()

void test2ndDerivatives ( )

Definition at line 202 of file ParticleFitObject.cc.

    {
      B2INFO("ParticleFitObject::test2ndDerivatives, object " << getName() << "\n");
      const int idim = 100;
      auto* Mnum = new double[idim * idim];
      auto* Mcalc = new double[idim * idim];
      for (int i = 0; i < idim * idim; ++i) Mnum[i] = Mcalc[i] = 0;
      addToGlobalChi2DerMatrix(Mcalc, idim);
      double eps = 0.0001;
      B2INFO("eps=" << eps);
      addToGlobalChi2DerMatrixNum(Mnum, idim, eps);
      for (int ilocal1 = 0; ilocal1 < getNPar(); ++ilocal1) {
        int iglobal1 = getGlobalParNum(ilocal1);
        for (int ilocal2 = ilocal1; ilocal2 < getNPar(); ++ilocal2) {
          int iglobal2 = getGlobalParNum(ilocal2);
          double calc = Mcalc[idim * iglobal1 + iglobal2];
          double num = Mnum[idim * iglobal1 + iglobal2];
          B2INFO("fo: " << getName() << " par " << ilocal1 << "/"
                 << iglobal1 << " (" << getParamName(ilocal1)
                 << "), par " << ilocal2 << "/"
                 << iglobal2 << " (" << getParamName(ilocal2)
                 << ") calc: " << calc << " - num: " << num << " = " << calc - num);
        }
      }
      delete[] Mnum;
      delete[] Mcalc;
    }

◆ updateParams()

bool updateParams	(	double	p[],
		int	idim
	)

virtualinherited

Read values from global vector, readjust vector; return: significant change.

Parameters

p	The parameter vector
idim	Length of the vector

Reimplemented in ISRPhotonFitObject, JetFitObject, NeutrinoFitObject, and PxPyPzMFitObject.

Definition at line 196 of file BaseFitObject.cc.

    {
      bool result = false;
      invalidateCache();
      for (int ilocal = 0; ilocal < getNPar(); ++ilocal) {
        if (!isParamFixed(ilocal)) {   // daniel added this
          int iglobal = getGlobalParNum(ilocal);
          assert(iglobal >= 0 && iglobal < idim);
          //      result = result || setParam (ilocal, p[iglobal]); // daniel thinks this is a BUG !!! if first param is successfully updated, no further ones are
          // result = setParam (ilocal, p[iglobal]) || result; // daniel thinks this would be OK
          // but to makes it clearer, does the following:
          bool thisresult = setParam(ilocal, p[iglobal]);
          result = result || thisresult;
          // if illegal value: read back legal value
          if (!thisresult)   // daniel added
            p[iglobal] = getParam(ilocal);
        }
      }
      return result;
    }

Friends And Related Function Documentation

◆ operator<<()

std::ostream & operator<<	(	std::ostream &	os,
		const BaseFitObject &	bfo
	)

Parameters

os	The output stream
bfo	The object to print

Definition at line 341 of file BaseFitObject.h.

    {
      return bfo.print(os);
    }

Member Data Documentation

◆ cachevalid

bool cachevalid

mutableprotectedinherited

flag for valid cache

Definition at line 333 of file BaseFitObject.h.

◆ cov

double cov[BaseDefs::MAXPAR][BaseDefs::MAXPAR]

protectedinherited

local covariance matrix

Definition at line 327 of file BaseFitObject.h.

◆ covinv

double covinv[BaseDefs::MAXPAR][BaseDefs::MAXPAR]

mutableprotectedinherited

inverse pf local covariance matrix

Definition at line 329 of file BaseFitObject.h.

◆ covinvvalid

bool covinvvalid

mutableprotectedinherited

flag for valid inverse covariance matrix

Definition at line 331 of file BaseFitObject.h.

◆ eps2

const double eps2 = 0.0001

staticprotectedinherited

Definition at line 307 of file BaseFitObject.h.

◆ fixed

bool fixed[BaseDefs::MAXPAR]

protectedinherited

fixed flag

Definition at line 323 of file BaseFitObject.h.

◆ fourMomentum

FourVector fourMomentum

mutableprotected

Definition at line 181 of file ParticleFitObject.h.

◆ globalParNum

int globalParNum[BaseDefs::MAXPAR]

protectedinherited

global parameter number for each parameter

Definition at line 325 of file BaseFitObject.h.

◆ mass

double mass

protected

mass of particle

Definition at line 179 of file ParticleFitObject.h.

◆ measured

bool measured[BaseDefs::MAXPAR]

protectedinherited

measured flag

Definition at line 321 of file BaseFitObject.h.

◆ mpar

double mpar[BaseDefs::MAXPAR]

protectedinherited

measured parameters

Definition at line 319 of file BaseFitObject.h.

◆ name

char* name

protectedinherited

Definition at line 306 of file BaseFitObject.h.

◆ par

double par[BaseDefs::MAXPAR]

protectedinherited

fit parameters

Definition at line 317 of file BaseFitObject.h.

◆ paramCycl

double paramCycl[BaseDefs::MAXPAR]

protected

Definition at line 184 of file ParticleFitObject.h.

The documentation for this class was generated from the following files:

analysis/OrcaKinFit/include/ParticleFitObject.h
analysis/OrcaKinFit/src/ParticleFitObject.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Related Functions

Detailed Description

Constructor & Destructor Documentation

◆ ParticleFitObject() [1/2]

◆ ParticleFitObject() [2/2]

Member Function Documentation

◆ addTo1stDerivatives()

◆ addTo2ndDerivatives() [1/2]

◆ addTo2ndDerivatives() [2/2]

◆ addToGlobalChi2DerMatrix()

◆ addToGlobalChi2DerMatrixNum()

◆ addToGlobalChi2DerVector() [1/2]

◆ addToGlobalChi2DerVector() [2/2]

◆ addToGlobalChi2DerVectorNum()

◆ addToGlobCov()

◆ assign()

◆ calculateCovInv()

◆ copy()

◆ fixParam()

◆ getChi2()

◆ getCov()

◆ getD2Chi2DParam2()

◆ getDChi2DParam()

◆ getDE()

◆ getDerivatives()

◆ getDPx()

◆ getDPy()

◆ getDPz()

◆ getE()

◆ getError()

◆ getError2()

◆ getFirstDerivative_Meta_Local()

◆ getFourMomentum()

◆ getGlobalParNum()

◆ getMass()

◆ getMParam()

◆ getName()

◆ getNFixed()

◆ getNFree()

◆ getNMeasured()

◆ getNPar()

◆ getNUnmeasured()

◆ getP()

◆ getP2()

◆ getParam()

◆ getParamName()

◆ getPt()

◆ getPt2()

◆ getPx()

◆ getPy()

◆ getPz()

◆ getRho()

◆ initCov()

◆ invalidateCache()

◆ isParamFixed()

◆ isParamMeasured()

◆ num1stDerivative()

◆ num2ndDerivative()

◆ operator=()

◆ print()

◆ print1stDerivatives()

◆ print2ndDerivatives()

◆ print4Vector()

◆ printParams()

◆ printRhoValues()

◆ releaseParam()

◆ setCov()

◆ setError()

◆ setGlobalParNum()

◆ setMass()

◆ setMParam()

◆ setName()

◆ setParam() [1/2]

◆ setParam() [2/2]

◆ test1stDerivatives()

◆ test2ndDerivatives()