ROOT::Math::FitTransformFunction Class Reference

Definition at line 38 of file GSLNLSMinimizer.cxx.

Public Member Functions
	FitTransformFunction (const FitMethodFunction &f, const std::vector< EMinimVariableType > &types, const std::vector< double > &values, const std::map< unsigned int, std::pair< double, double > > &bounds)
	FitTransformFunction (const FitMethodFunction &f, MinimTransformFunction *transFunc)
	~FitTransformFunction ()
IMultiGenFunction *	Clone () const
virtual double	DataElement (const double *x, unsigned i, double *g=0) const
void	GradientTransformation (const double *x, const double *gext, double *gint) const
	transform gradient vector (external -> internal) at internal point x
void	InvStepTransformation (const double *x, const double *sext, double *sint) const
	inverse transformation for steps (external -> internal) at external point x
void	InvTransformation (const double *xext, double *xint) const
	inverse transformation (external -> internal)
void	MatrixTransformation (const double *x, const double *cint, double *cext) const
unsigned int	NDim () const
	Number of dimension (parameters) .
unsigned int	NTot () const
const double *	Transformation (const double *x) const
Public Member Functions inherited from ROOT::Math::BasicFitMethodFunction< FunctionType >
	BasicFitMethodFunction (int dim, int npoint)
virtual	~BasicFitMethodFunction ()
	Virtual Destructor (no operations)
virtual double	DataElement (const double *x, unsigned int i, double *g=0) const =0
	method returning the data i-th contribution to the fit objective function For example the residual for the least square functions or the pdf element for the likelihood functions.
virtual unsigned int	NCalls () const
	return the total number of function calls (overrided if needed)
virtual unsigned int	NPoints () const
	return the number of data points used in evaluating the function
virtual void	ResetNCalls ()
	reset number of function calls
virtual Type_t	Type () const
	return the type of method, override if needed
virtual void	UpdateNCalls () const
	update number of calls

Private Member Functions
	FitTransformFunction (const FitTransformFunction &rhs)
double	DoEval (const double *x) const
FitTransformFunction &	operator= (const FitTransformFunction &rhs)

Private Attributes
const FitMethodFunction &	fFunc
std::vector< double >	fGrad
bool	fOwnTransformation
MinimTransformFunction *	fTransform

Additional Inherited Members
Public Types inherited from ROOT::Math::BasicFitMethodFunction< FunctionType >
typedef FunctionType::BaseFunc	BaseFunction
enum	Type_t { kUndefined , kLeastSquare , kLogLikelihood }
	enumeration specyfing the possible fit method types More...

Inheritance diagram for ROOT::Math::FitTransformFunction:

Constructor & Destructor Documentation

FitTransformFunction() [1/3]

ROOT::Math::FitTransformFunction::FitTransformFunction ( const FitMethodFunction &  f, const std::vector< EMinimVariableType > &  types, const std::vector< double > &  values, const std::map< unsigned int, std::pair< double, double > > &  bounds  )

inline

Definition at line 42 of file GSLNLSMinimizer.cxx.

FitTransformFunction() [2/3]

ROOT::Math::FitTransformFunction::FitTransformFunction ( const FitMethodFunction &  f, MinimTransformFunction *  transFunc  )

inline

Definition at line 55 of file GSLNLSMinimizer.cxx.

~FitTransformFunction()

ROOT::Math::FitTransformFunction::~FitTransformFunction ( )

inline

Definition at line 65 of file GSLNLSMinimizer.cxx.

FitTransformFunction() [3/3]

ROOT::Math::FitTransformFunction::FitTransformFunction ( const FitTransformFunction &  rhs )

private

Member Function Documentation

Clone()

IMultiGenFunction * ROOT::Math::FitTransformFunction::Clone ( ) const

inline

Definition at line 85 of file GSLNLSMinimizer.cxx.

DataElement()

virtual double ROOT::Math::FitTransformFunction::DataElement ( const double *  x, unsigned  i, double *  g = 0  ) const

inlinevirtual

Definition at line 73 of file GSLNLSMinimizer.cxx.

DoEval()

double ROOT::Math::FitTransformFunction::DoEval ( const double *  x ) const

inlineprivate

Definition at line 120 of file GSLNLSMinimizer.cxx.

GradientTransformation()

void ROOT::Math::FitTransformFunction::GradientTransformation ( const double *  x, const double *  gext, double *  gint  ) const

inline

transform gradient vector (external -> internal) at internal point x

Definition at line 110 of file GSLNLSMinimizer.cxx.

InvStepTransformation()

void ROOT::Math::FitTransformFunction::InvStepTransformation ( const double *  x, const double *  sext, double *  sint  ) const

inline

inverse transformation for steps (external -> internal) at external point x

Definition at line 107 of file GSLNLSMinimizer.cxx.

InvTransformation()

void ROOT::Math::FitTransformFunction::InvTransformation ( const double *  xext, double *  xint  ) const

inline

inverse transformation (external -> internal)

Definition at line 104 of file GSLNLSMinimizer.cxx.

MatrixTransformation()

void ROOT::Math::FitTransformFunction::MatrixTransformation ( const double *  x, const double *  cint, double *  cext  ) const

inline

Definition at line 112 of file GSLNLSMinimizer.cxx.

NDim()

unsigned int ROOT::Math::FitTransformFunction::NDim ( ) const

inlinevirtual

Number of dimension (parameters) .

From IGenMultiFunction interface

Reimplemented from ROOT::Math::BasicFitMethodFunction< FunctionType >.

Definition at line 91 of file GSLNLSMinimizer.cxx.

NTot()

unsigned int ROOT::Math::FitTransformFunction::NTot ( ) const

inline

Definition at line 95 of file GSLNLSMinimizer.cxx.

operator=()

FitTransformFunction & ROOT::Math::FitTransformFunction::operator= ( const FitTransformFunction &  rhs )

private

Transformation()

const double * ROOT::Math::FitTransformFunction::Transformation ( const double *  x ) const

inline

Definition at line 100 of file GSLNLSMinimizer.cxx.

Member Data Documentation

fFunc

const FitMethodFunction& ROOT::Math::FitTransformFunction::fFunc

private

Definition at line 125 of file GSLNLSMinimizer.cxx.

fGrad

std::vector<double> ROOT::Math::FitTransformFunction::fGrad

mutableprivate

Definition at line 127 of file GSLNLSMinimizer.cxx.

fOwnTransformation

bool ROOT::Math::FitTransformFunction::fOwnTransformation

private

Definition at line 124 of file GSLNLSMinimizer.cxx.

fTransform

MinimTransformFunction* ROOT::Math::FitTransformFunction::fTransform

private

Definition at line 126 of file GSLNLSMinimizer.cxx.