ROOT::Fit::FitUtil::SimpleGradientCalculator Class Reference

Definition at line 67 of file FitUtil.cxx.

Public Member Functions
	SimpleGradientCalculator (int gdim, const IModelFunction &func, double eps=2.E-8, int istrat=1)
double	DoParameterDerivative (const double *x, const double *p, double f0, int k) const
void	Gradient (const double *x, const double *p, double f0, double *g)
unsigned int	NDim () const
unsigned int	NPar () const
double	ParameterDerivative (const double *x, const double *p, int ipar) const
void	ParameterGradient (const double *x, const double *p, double f0, double *g)

Private Attributes
double	fEps
const IModelFunction &	fFunc
unsigned int	fN
double	fPrecision
int	fStrategy
std::vector< double >	fVec

Constructor & Destructor Documentation

SimpleGradientCalculator()

ROOT::Fit::FitUtil::SimpleGradientCalculator::SimpleGradientCalculator ( int gdim, const IModelFunction & func, double eps = 2.E-8, int istrat = 1 )

inline

Definition at line 77 of file FitUtil.cxx.

Member Function Documentation

DoParameterDerivative()

double ROOT::Fit::FitUtil::SimpleGradientCalculator::DoParameterDerivative ( const double * x, const double * p, double f0, int k ) const

inline

Definition at line 88 of file FitUtil.cxx.

Gradient()

void ROOT::Fit::FitUtil::SimpleGradientCalculator::Gradient ( const double * x, const double * p, double f0, double * g )

inline

Definition at line 133 of file FitUtil.cxx.

NDim()

unsigned int ROOT::Fit::FitUtil::SimpleGradientCalculator::NDim ( ) const

inline

Definition at line 108 of file FitUtil.cxx.

NPar()

unsigned int ROOT::Fit::FitUtil::SimpleGradientCalculator::NPar ( ) const

inline

Definition at line 112 of file FitUtil.cxx.

ParameterDerivative()

double ROOT::Fit::FitUtil::SimpleGradientCalculator::ParameterDerivative ( const double * x, const double * p, int ipar ) const

inline

Definition at line 116 of file FitUtil.cxx.

ParameterGradient()

void ROOT::Fit::FitUtil::SimpleGradientCalculator::ParameterGradient ( const double * x, const double * p, double f0, double * g )

inline

Definition at line 124 of file FitUtil.cxx.

Member Data Documentation

fEps

double ROOT::Fit::FitUtil::SimpleGradientCalculator::fEps

private

Definition at line 157 of file FitUtil.cxx.

fFunc

const IModelFunction& ROOT::Fit::FitUtil::SimpleGradientCalculator::fFunc

private

Definition at line 161 of file FitUtil.cxx.

fN

unsigned int ROOT::Fit::FitUtil::SimpleGradientCalculator::fN

private

Definition at line 160 of file FitUtil.cxx.

fPrecision

double ROOT::Fit::FitUtil::SimpleGradientCalculator::fPrecision

private

Definition at line 158 of file FitUtil.cxx.

fStrategy

int ROOT::Fit::FitUtil::SimpleGradientCalculator::fStrategy

private

Definition at line 159 of file FitUtil.cxx.

fVec

std::vector<double> ROOT::Fit::FitUtil::SimpleGradientCalculator::fVec

mutableprivate

Definition at line 162 of file FitUtil.cxx.