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List of all members | Public Types | Public Member Functions | Private Member Functions | Private Attributes | List of all members
ROOT::Fit::LogLikelihoodFCN< FunType > Class Template Reference

template<class FunType>
class ROOT::Fit::LogLikelihoodFCN< FunType >

LogLikelihoodFCN class for likelihood fits.

it is template to distinguish gradient and non-gradient case

Definition at line 55 of file LogLikelihoodFCN.h.

Public Types

typedef BasicFCN< FunType, UnBinDataBaseFCN
 
typedef BaseObjFunction::BaseFunction BaseFunction
 
typedef ::ROOT::Math::BasicFitMethodFunction< FunType > BaseObjFunction
 
typedef ::ROOT::Math::IParamMultiFunction IModelFunction
 
- Public Types inherited from ROOT::Math::BasicFitMethodFunction< FunType >
typedef FunType ::BaseFunc BaseFunction
 
enum  Type_t
 enumeration specyfing the possible fit method types More...
 

Public Member Functions

 LogLikelihoodFCN (const std::shared_ptr< UnBinData > &data, const std::shared_ptr< IModelFunction > &func, int weight=0, bool extended=false)
 Constructor from unbin data set and model function (pdf) More...
 
 LogLikelihoodFCN (const UnBinData &data, const IModelFunction &func, int weight=0, bool extended=false)
 Constructor from unbin data set and model function (pdf) for object managed by users. More...
 
 LogLikelihoodFCN (const LogLikelihoodFCN &f)
 Copy constructor. More...
 
virtual ~LogLikelihoodFCN ()
 Destructor (no operations) More...
 
virtual BaseFunctionClone () const
 clone the function (need to return Base for Windows) More...
 
virtual double DataElement (const double *x, unsigned int i, double *g) const
 i-th likelihood contribution and its gradient More...
 
virtual void Gradient (const double *x, double *g) const
 
virtual unsigned int NFitPoints () const
 
LogLikelihoodFCNoperator= (const LogLikelihoodFCN &rhs)
 Assignment operator. More...
 
virtual BaseObjFunction::Type_t Type () const
 get type of fit method function More...
 
void UseSumOfWeightSquare (bool on=true)
 
- Public Member Functions inherited from ROOT::Fit::BasicFCN< FunType, UnBinData >
virtual const UnBinDataData () const
 access to const reference to the data More...
 
std::shared_ptr< UnBinDataDataPtr () const
 access to data pointer More...
 
virtual const IModelFunctionModelFunction () const
 access to const reference to the model function More...
 
std::shared_ptr< IModelFunctionModelFunctionPtr () const
 access to function pointer More...
 
- Public Member Functions inherited from ROOT::Math::BasicFitMethodFunction< FunType >
 BasicFitMethodFunction (int dim, int npoint)
 
virtual ~BasicFitMethodFunction ()
 Virtual Destructor (no operations) More...
 
virtual unsigned int NCalls () const
 return the total number of function calls (overrided if needed) More...
 
virtual unsigned int NDim () const
 Number of dimension (parameters) . More...
 
virtual unsigned int NPoints () const
 return the number of data points used in evaluating the function More...
 
virtual void ResetNCalls ()
 reset number of function calls More...
 
virtual void UpdateNCalls () const
 update number of calls More...
 

Private Member Functions

virtual double DoDerivative (const double *x, unsigned int icoord) const
 
virtual double DoEval (const double *x) const
 Evaluation of the function (required by interface) More...
 

Private Attributes

std::vector< double > fGrad
 
bool fIsExtended
 
unsigned int fNEffPoints
 
int fWeight
 

Additional Inherited Members

- Protected Types inherited from ROOT::Fit::BasicFCN< FunType, UnBinData >
typedef BaseObjFunction::BaseFunction BaseFunction
 
typedef ::ROOT::Math::BasicFitMethodFunction< FunType > BaseObjFunction
 
typedef ::ROOT::Math::IParamMultiFunction IModelFunction
 
- Protected Member Functions inherited from ROOT::Fit::BasicFCN< FunType, UnBinData >
 BasicFCN (const std::shared_ptr< UnBinData > &data, const std::shared_ptr< IModelFunction > &func)
 Constructor from data set and model function. More...
 
virtual ~BasicFCN ()
 Destructor (no operations) More...
 
void SetData (const std::shared_ptr< UnBinData > &data)
 Set the data pointer. More...
 
void SetModelFunction (const std::shared_ptr< IModelFunction > &func)
 Set the function pointer. More...
 
- Protected Attributes inherited from ROOT::Fit::BasicFCN< FunType, UnBinData >
std::shared_ptr< UnBinDatafData
 
std::shared_ptr< IModelFunctionfFunc
 

#include <Fit/LogLikelihoodFCN.h>

Inheritance diagram for ROOT::Fit::LogLikelihoodFCN< FunType >:
[legend]

Member Typedef Documentation

◆ BaseFCN

template<class FunType>
typedef BasicFCN<FunType,UnBinData> ROOT::Fit::LogLikelihoodFCN< FunType >::BaseFCN

Definition at line 59 of file LogLikelihoodFCN.h.

◆ BaseFunction

template<class FunType>
typedef BaseObjFunction::BaseFunction ROOT::Fit::LogLikelihoodFCN< FunType >::BaseFunction

Definition at line 62 of file LogLikelihoodFCN.h.

◆ BaseObjFunction

template<class FunType>
typedef ::ROOT::Math::BasicFitMethodFunction<FunType> ROOT::Fit::LogLikelihoodFCN< FunType >::BaseObjFunction

Definition at line 61 of file LogLikelihoodFCN.h.

◆ IModelFunction

template<class FunType>
typedef ::ROOT::Math::IParamMultiFunction ROOT::Fit::LogLikelihoodFCN< FunType >::IModelFunction

Definition at line 64 of file LogLikelihoodFCN.h.

Constructor & Destructor Documentation

◆ LogLikelihoodFCN() [1/3]

template<class FunType>
ROOT::Fit::LogLikelihoodFCN< FunType >::LogLikelihoodFCN ( const std::shared_ptr< UnBinData > &  data,
const std::shared_ptr< IModelFunction > &  func,
int  weight = 0,
bool  extended = false 
)
inline

Constructor from unbin data set and model function (pdf)

Definition at line 70 of file LogLikelihoodFCN.h.

◆ LogLikelihoodFCN() [2/3]

template<class FunType>
ROOT::Fit::LogLikelihoodFCN< FunType >::LogLikelihoodFCN ( const UnBinData data,
const IModelFunction func,
int  weight = 0,
bool  extended = false 
)
inline

Constructor from unbin data set and model function (pdf) for object managed by users.

Definition at line 81 of file LogLikelihoodFCN.h.

◆ ~LogLikelihoodFCN()

template<class FunType>
virtual ROOT::Fit::LogLikelihoodFCN< FunType >::~LogLikelihoodFCN ( )
inlinevirtual

Destructor (no operations)

Definition at line 92 of file LogLikelihoodFCN.h.

◆ LogLikelihoodFCN() [3/3]

template<class FunType>
ROOT::Fit::LogLikelihoodFCN< FunType >::LogLikelihoodFCN ( const LogLikelihoodFCN< FunType > &  f)
inline

Copy constructor.

Definition at line 97 of file LogLikelihoodFCN.h.

Member Function Documentation

◆ Clone()

template<class FunType>
virtual BaseFunction* ROOT::Fit::LogLikelihoodFCN< FunType >::Clone ( ) const
inlinevirtual

clone the function (need to return Base for Windows)

Definition at line 120 of file LogLikelihoodFCN.h.

◆ DataElement()

template<class FunType>
virtual double ROOT::Fit::LogLikelihoodFCN< FunType >::DataElement ( const double *  x,
unsigned int  i,
double *  g 
) const
inlinevirtual

i-th likelihood contribution and its gradient

Implements ROOT::Math::BasicFitMethodFunction< FunType >.

Definition at line 129 of file LogLikelihoodFCN.h.

◆ DoDerivative()

template<class FunType>
virtual double ROOT::Fit::LogLikelihoodFCN< FunType >::DoDerivative ( const double *  x,
unsigned int  icoord 
) const
inlineprivatevirtual

Definition at line 174 of file LogLikelihoodFCN.h.

◆ DoEval()

template<class FunType>
virtual double ROOT::Fit::LogLikelihoodFCN< FunType >::DoEval ( const double *  x) const
inlineprivatevirtual

Evaluation of the function (required by interface)

Definition at line 163 of file LogLikelihoodFCN.h.

◆ Gradient()

template<class FunType>
virtual void ROOT::Fit::LogLikelihoodFCN< FunType >::Gradient ( const double *  x,
double *  g 
) const
inlinevirtual

Definition at line 136 of file LogLikelihoodFCN.h.

◆ NFitPoints()

template<class FunType>
virtual unsigned int ROOT::Fit::LogLikelihoodFCN< FunType >::NFitPoints ( ) const
inlinevirtual

Definition at line 126 of file LogLikelihoodFCN.h.

◆ operator=()

template<class FunType>
LogLikelihoodFCN& ROOT::Fit::LogLikelihoodFCN< FunType >::operator= ( const LogLikelihoodFCN< FunType > &  rhs)
inline

Assignment operator.

Definition at line 109 of file LogLikelihoodFCN.h.

◆ Type()

template<class FunType>
virtual BaseObjFunction::Type_t ROOT::Fit::LogLikelihoodFCN< FunType >::Type ( ) const
inlinevirtual

get type of fit method function

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

Definition at line 142 of file LogLikelihoodFCN.h.

◆ UseSumOfWeightSquare()

template<class FunType>
void ROOT::Fit::LogLikelihoodFCN< FunType >::UseSumOfWeightSquare ( bool  on = true)
inline

Definition at line 147 of file LogLikelihoodFCN.h.

Member Data Documentation

◆ fGrad

template<class FunType>
std::vector<double> ROOT::Fit::LogLikelihoodFCN< FunType >::fGrad
mutableprivate

Definition at line 187 of file LogLikelihoodFCN.h.

◆ fIsExtended

template<class FunType>
bool ROOT::Fit::LogLikelihoodFCN< FunType >::fIsExtended
private

Definition at line 181 of file LogLikelihoodFCN.h.

◆ fNEffPoints

template<class FunType>
unsigned int ROOT::Fit::LogLikelihoodFCN< FunType >::fNEffPoints
mutableprivate

Definition at line 185 of file LogLikelihoodFCN.h.

◆ fWeight

template<class FunType>
int ROOT::Fit::LogLikelihoodFCN< FunType >::fWeight
private

Definition at line 182 of file LogLikelihoodFCN.h.


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