MinimTransformFunction class to perform a transformations on the variables to deal with fixed or limited variables (support both double and single bounds) The class manages the passed function pointer.

Definition at line 43 of file MinimTransformFunction.h.

Public Types
typedef ROOT::Math::IMultiGradFunction	BaseGradFunc

typedef ROOT::Math::IMultiGradFunction::BaseFunc	BaseFunc

Public Types inherited from ROOT::Math::IGradientFunctionMultiDim
typedef IBaseFunctionMultiDim	BaseFunc

typedef IGradientMultiDim	BaseGrad

Public Types inherited from ROOT::Math::IBaseFunctionMultiDim
typedef IBaseFunctionMultiDim	BaseFunc

Public Member Functions
	MinimTransformFunction (const IMultiGradFunction *f, const std::vector< ROOT::Math::EMinimVariableType > &types, const std::vector< double > &values, const std::map< unsigned int, std::pair< double, double > > &bounds)
	Constructor from a IMultiGradFunction interface (which is managed by the class) vector specifying the variable types (free, bounded or fixed, defined in enum EMinimVariableTypes ) variable values (used for the fixed ones) and a map with the bounds (for the bounded variables) More...

	~MinimTransformFunction ()
	Destructor (delete function pointer) More...

unsigned int	NDim () const
	Retrieve the dimension of the function. More...

unsigned int	NTot () const

IMultiGenFunction *	Clone () const
	clone: not supported (since auto_ptr used in the fVariables) More...

const double *	Transformation (const double *x) const
	transform from internal to external result is cached also inside the class More...

void	Transformation (const double xint, double xext) const
	transform from internal to external More...

void	InvTransformation (const double xext, double xint) const
	inverse transformation (external -> internal) More...

void	InvStepTransformation (const double x, const double sext, double *sint) const
	inverse transformation for steps (external -> internal) at external point x More...

void	GradientTransformation (const double x, const double gExt, double *gInt) const
	transform gradient vector (external -> internal) at internal point x More...

void	MatrixTransformation (const double x, const double covInt, double *covExt) const
	transform covariance matrix (internal -> external) at internal point x use row storages for matrices m(i,j) = rep[ i * dim + j] More...

const IMultiGradFunction *	OriginalFunction () const

Public Member Functions inherited from ROOT::Math::IGradientFunctionMultiDim
virtual	~IGradientFunctionMultiDim ()
	Virtual Destructor (no operations) More...

virtual void	Gradient (const double x, double grad) const
	Evaluate all the vector of function derivatives (gradient) at a point x. More...

virtual void	FdF (const double x, double &f, double df) const
	Optimized method to evaluate at the same time the function value and derivative at a point x. More...

Public Member Functions inherited from ROOT::Math::IBaseFunctionMultiDim
	IBaseFunctionMultiDim ()

virtual	~IBaseFunctionMultiDim ()
	virtual destructor More...

double	operator() (const double *x) const
	Evaluate the function at a point x[]. More...

Public Member Functions inherited from ROOT::Math::IGradientMultiDim
virtual	~IGradientMultiDim ()
	virual destructor More...

double	Derivative (const double *x, unsigned int icoord=0) const
	Return the partial derivative with respect to the passed coordinate. More...

Private Member Functions
virtual double	DoEval (const double *x) const
	function evaluation More...

virtual double	DoDerivative (const double *x, unsigned int icoord) const
	calculate derivatives More...

	MinimTransformFunction (const MinimTransformFunction &)

MinimTransformFunction &	operator= (const MinimTransformFunction &)

Private Attributes
std::vector< double >	fX

std::vector< MinimTransformVariable >	fVariables

std::vector< unsigned int >	fIndex

const IMultiGradFunction *	fFunc

#include <Math/MinimTransformFunction.h>

Inheritance diagram for ROOT::Math::MinimTransformFunction:

Collaboration diagram for ROOT::Math::MinimTransformFunction:

Member Typedef Documentation

typedef ROOT::Math::IMultiGradFunction::BaseFunc ROOT::Math::MinimTransformFunction::BaseFunc

Definition at line 48 of file MinimTransformFunction.h.

typedef ROOT::Math::IMultiGradFunction ROOT::Math::MinimTransformFunction::BaseGradFunc

Definition at line 47 of file MinimTransformFunction.h.

Constructor & Destructor Documentation

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

Constructor from a IMultiGradFunction interface (which is managed by the class) vector specifying the variable types (free, bounded or fixed, defined in enum EMinimVariableTypes ) variable values (used for the fixed ones) and a map with the bounds (for the bounded variables)

Definition at line 23 of file MinimTransformFunction.cxx.

ROOT::Math::MinimTransformFunction::~MinimTransformFunction ( )

inline

Destructor (delete function pointer)

Definition at line 64 of file MinimTransformFunction.h.

ROOT::Math::MinimTransformFunction::MinimTransformFunction ( const MinimTransformFunction & )

inlineprivate

Definition at line 132 of file MinimTransformFunction.h.