Logo ROOT  
Reference Guide
TVirtualFitter Class Referenceabstract

Abstract Base Class for Fitting.

Definition at line 29 of file TVirtualFitter.h.

Public Types

typedef void(* FCNFunc_t) (Int_t &npar, Double_t *gin, Double_t &f, Double_t *u, Int_t flag)
 
- Public Types inherited from TObject
enum  {
  kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kInconsistent = 0x08000000,
  kBitMask = 0x00ffffff
}
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 
enum  EDeprecatedStatusBits { kObjInCanvas = BIT(3) }
 
enum  EStatusBits {
  kCanDelete = BIT(0), kMustCleanup = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5),
  kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13)
}
 

Public Member Functions

 TVirtualFitter ()
 Default constructor. More...
 
virtual ~TVirtualFitter ()
 Cleanup virtual fitter. More...
 
virtual Double_t Chisquare (Int_t npar, Double_t *params) const =0
 
virtual void Clear (Option_t *option="")=0
 Set name and title to empty strings (""). More...
 
virtual Int_t ExecuteCommand (const char *command, Double_t *args, Int_t nargs)=0
 
virtual void FixParameter (Int_t ipar)=0
 
virtual void GetConfidenceIntervals (Int_t n, Int_t ndim, const Double_t *x, Double_t *ci, Double_t cl=0.95)
 return confidence intervals in array x of dimension ndim implemented in TFitter and TLinearFitter More...
 
virtual void GetConfidenceIntervals (TObject *obj, Double_t cl=0.95)
 return confidence intervals in TObject obj implemented in TFitter and TLinearFitter More...
 
virtual Double_tGetCovarianceMatrix () const =0
 
virtual Double_t GetCovarianceMatrixElement (Int_t i, Int_t j) const =0
 
virtual Int_t GetErrors (Int_t ipar, Double_t &eplus, Double_t &eminus, Double_t &eparab, Double_t &globcc) const =0
 
virtual FCNFunc_t GetFCN ()
 
virtual Foption_t GetFitOption () const
 
TMethodCallGetMethodCall () const
 
virtual Int_t GetNumberFreeParameters () const =0
 
virtual Int_t GetNumberTotalParameters () const =0
 
virtual TObjectGetObjectFit () const
 
virtual Double_t GetParameter (Int_t ipar) const =0
 
virtual Int_t GetParameter (Int_t ipar, char *name, Double_t &value, Double_t &verr, Double_t &vlow, Double_t &vhigh) const =0
 
virtual Double_t GetParError (Int_t ipar) const =0
 
virtual const char * GetParName (Int_t ipar) const =0
 
virtual Int_t GetStats (Double_t &amin, Double_t &edm, Double_t &errdef, Int_t &nvpar, Int_t &nparx) const =0
 
virtual Double_t GetSumLog (Int_t i)=0
 
virtual TObjectGetUserFunc () const
 
virtual Int_t GetXfirst () const
 
virtual Int_t GetXlast () const
 
virtual Int_t GetYfirst () const
 
virtual Int_t GetYlast () const
 
virtual Int_t GetZfirst () const
 
virtual Int_t GetZlast () const
 
virtual Bool_t IsFixed (Int_t ipar) const =0
 
virtual void PrintResults (Int_t level, Double_t amin) const =0
 
virtual void ReleaseParameter (Int_t ipar)=0
 
virtual Double_tSetCache (Int_t npoints, Int_t psize)
 Initialize the cache array npoints is the number of points to be stored (or already stored) in the cache psize is the number of elements per point. More...
 
virtual void SetFCN (void(*fcn)(Int_t &, Double_t *, Double_t &f, Double_t *, Int_t))
 To set the address of the minimization objective function called by the native compiler (see function below when called by CINT) More...
 
virtual void SetFitMethod (const char *name)=0
 
virtual void SetFitOption (Foption_t option)
 
virtual void SetObjectFit (TObject *obj)
 
virtual Int_t SetParameter (Int_t ipar, const char *parname, Double_t value, Double_t verr, Double_t vlow, Double_t vhigh)=0
 
virtual void SetUserFunc (TObject *userfunc)
 
virtual void SetXfirst (Int_t first)
 
virtual void SetXlast (Int_t last)
 
virtual void SetYfirst (Int_t first)
 
virtual void SetYlast (Int_t last)
 
virtual void SetZfirst (Int_t first)
 
virtual void SetZlast (Int_t last)
 
- Public Member Functions inherited from TNamed
 TNamed ()
 
 TNamed (const char *name, const char *title)
 
 TNamed (const TNamed &named)
 TNamed copy ctor. More...
 
 TNamed (const TString &name, const TString &title)
 
virtual ~TNamed ()
 TNamed destructor. More...
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare two TNamed objects. More...
 
virtual void Copy (TObject &named) const
 Copy this to obj. More...
 
virtual void FillBuffer (char *&buffer)
 Encode TNamed into output buffer. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
virtual Bool_t IsSortable () const
 
virtual void ls (Option_t *option="") const
 List TNamed name and title. More...
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator. More...
 
virtual void Print (Option_t *option="") const
 Print TNamed name and title. More...
 
virtual void SetName (const char *name)
 Set the name of the TNamed. More...
 
virtual void SetNameTitle (const char *name, const char *title)
 Set all the TNamed parameters (name and title). More...
 
virtual void SetTitle (const char *title="")
 Set the title of the TNamed. More...
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 TObject constructor. More...
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
virtual ~TObject ()
 TObject destructor. More...
 
void AbstractMethod (const char *method) const
 Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
 
virtual void AppendPad (Option_t *option="")
 Append graphics object to current pad. More...
 
virtual void Browse (TBrowser *b)
 Browse object. May be overridden for another default action. More...
 
ULong_t CheckedHash ()
 Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual void Delete (Option_t *option="")
 Delete this object. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void Draw (Option_t *option="")
 Default Draw method for all objects. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
virtual void Execute (const char *method, const char *params, Int_t *error=0)
 Execute method on this object with the given parameter string, e.g. More...
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
 Execute method on this object with parameters stored in the TObjArray. More...
 
virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
 Execute action corresponding to an event at (px,py). More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Option_tGetOption () const
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
Bool_t HasInconsistentHash () const
 Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e. More...
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual Bool_t InheritsFrom (const char *classname) const
 Returns kTRUE if object inherits from class "classname". More...
 
virtual Bool_t InheritsFrom (const TClass *cl) const
 Returns kTRUE if object inherits from TClass cl. More...
 
virtual void Inspect () const
 Dump contents of this object in a graphics canvas. More...
 
void InvertBit (UInt_t f)
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
R__ALWAYS_INLINE Bool_t IsOnHeap () const
 
R__ALWAYS_INLINE Bool_t IsZombie () const
 
void MayNotUse (const char *method) const
 Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself. More...
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list. More...
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory. More...
 
virtual void RecursiveRemove (TObject *obj)
 Recursively remove this object from a list. More...
 
void ResetBit (UInt_t f)
 
virtual void SaveAs (const char *filename="", Option_t *option="") const
 Save this object in the file specified by filename. More...
 
virtual void SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out". More...
 
void SetBit (UInt_t f)
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
virtual void SetDrawOption (Option_t *option="")
 Set drawing option for object. More...
 
virtual void SetUniqueID (UInt_t uid)
 Set the unique object id. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
R__ALWAYS_INLINE Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
virtual void UseCurrentStyle ()
 Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory. More...
 

Static Public Member Functions

static TVirtualFitterFitter (TObject *obj, Int_t maxpar=25)
 Static function returning a pointer to the current fitter. More...
 
static const char * GetDefaultFitter ()
 static: return the name of the default fitter More...
 
static Double_t GetErrorDef ()
 static: Return the Error Definition More...
 
static TVirtualFitterGetFitter ()
 static: return the current Fitter More...
 
static Int_t GetMaxIterations ()
 static: Return the maximum number of iterations actually max number of function calls More...
 
static Double_t GetPrecision ()
 static: Return the fit relative precision More...
 
static void SetDefaultFitter (const char *name="")
 static: set name of default fitter More...
 
static void SetErrorDef (Double_t errdef=1)
 static: Set the Error Definition (default=1) For Minuit this is the value passed with the "SET ERR" command (see https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html) More...
 
static void SetFitter (TVirtualFitter *fitter, Int_t maxpar=25)
 Static function to set an alternative fitter. More...
 
static void SetMaxIterations (Int_t niter=5000)
 static: Set the maximum number of function calls for the minimization algorithm For example for MIGRAD this is the maxcalls value passed as first argument (see https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html ) More...
 
static void SetPrecision (Double_t prec=1e-6)
 static: Set the tolerance used in the minimization algorithm For example for MIGRAD this is tolerance value passed as second argument (see https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html ) More...
 
- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 

Protected Member Functions

 TVirtualFitter (const TVirtualFitter &tvf)
 copy constructor More...
 
TVirtualFitteroperator= (const TVirtualFitter &tvf)
 assignment operator More...
 
- Protected Member Functions inherited from TObject
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected). More...
 
void MakeZombie ()
 

Protected Attributes

Double_tfCache
 
Int_t fCacheSize
 
void(* fFCN )(Int_t &npar, Double_t *gin, Double_t &f, Double_t *u, Int_t flag)
 
TMethodCallfMethodCall
 
Int_t fNpoints
 
TObjectfObjectFit
 
Foption_t fOption
 
Int_t fPointSize
 
TObjectfUserFunc
 
Int_t fXfirst
 
Int_t fXlast
 
Int_t fYfirst
 
Int_t fYlast
 
Int_t fZfirst
 
Int_t fZlast
 
- Protected Attributes inherited from TNamed
TString fName
 
TString fTitle
 

#include <TVirtualFitter.h>

Inheritance diagram for TVirtualFitter:
[legend]

Member Typedef Documentation

◆ FCNFunc_t

typedef void(* TVirtualFitter::FCNFunc_t) (Int_t &npar, Double_t *gin, Double_t &f, Double_t *u, Int_t flag)

Definition at line 71 of file TVirtualFitter.h.

Constructor & Destructor Documentation

◆ TVirtualFitter() [1/2]

TVirtualFitter::TVirtualFitter ( const TVirtualFitter tvf)
protected

copy constructor

Definition at line 93 of file TVirtualFitter.cxx.

◆ TVirtualFitter() [2/2]

TVirtualFitter::TVirtualFitter ( )

Default constructor.

Definition at line 72 of file TVirtualFitter.cxx.

◆ ~TVirtualFitter()

TVirtualFitter::~TVirtualFitter ( )
virtual

Cleanup virtual fitter.

Definition at line 142 of file TVirtualFitter.cxx.

Member Function Documentation

◆ Chisquare()

virtual Double_t TVirtualFitter::Chisquare ( Int_t  npar,
Double_t params 
) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ Clear()

virtual void TVirtualFitter::Clear ( Option_t option = "")
pure virtual

Set name and title to empty strings ("").

Reimplemented from TNamed.

Implemented in TLinearFitter, TFitter, TBackCompFitter, and TFumili.

◆ ExecuteCommand()

virtual Int_t TVirtualFitter::ExecuteCommand ( const char *  command,
Double_t args,
Int_t  nargs 
)
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ Fitter()

TVirtualFitter * TVirtualFitter::Fitter ( TObject obj,
Int_t  maxpar = 25 
)
static

Static function returning a pointer to the current fitter.

If the fitter does not exist, the default TFitter is created. Don't delete the returned fitter object, it will be re-used.

Definition at line 159 of file TVirtualFitter.cxx.

◆ FixParameter()

virtual void TVirtualFitter::FixParameter ( Int_t  ipar)
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ GetConfidenceIntervals() [1/2]

void TVirtualFitter::GetConfidenceIntervals ( Int_t  n,
Int_t  ndim,
const Double_t x,
Double_t ci,
Double_t  cl = 0.95 
)
virtual

return confidence intervals in array x of dimension ndim implemented in TFitter and TLinearFitter

Reimplemented in TLinearFitter, TFitter, and TBackCompFitter.

Definition at line 185 of file TVirtualFitter.cxx.

◆ GetConfidenceIntervals() [2/2]

void TVirtualFitter::GetConfidenceIntervals ( TObject obj,
Double_t  cl = 0.95 
)
virtual

return confidence intervals in TObject obj implemented in TFitter and TLinearFitter

Reimplemented in TLinearFitter, TFitter, and TBackCompFitter.

Definition at line 193 of file TVirtualFitter.cxx.

◆ GetCovarianceMatrix()

virtual Double_t* TVirtualFitter::GetCovarianceMatrix ( ) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ GetCovarianceMatrixElement()

virtual Double_t TVirtualFitter::GetCovarianceMatrixElement ( Int_t  i,
Int_t  j 
) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ GetDefaultFitter()

const char * TVirtualFitter::GetDefaultFitter ( )
static

static: return the name of the default fitter

Definition at line 200 of file TVirtualFitter.cxx.

◆ GetErrorDef()

Double_t TVirtualFitter::GetErrorDef ( )
static

static: Return the Error Definition

Definition at line 227 of file TVirtualFitter.cxx.

◆ GetErrors()

virtual Int_t TVirtualFitter::GetErrors ( Int_t  ipar,
Double_t eplus,
Double_t eminus,
Double_t eparab,
Double_t globcc 
) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ GetFCN()

virtual FCNFunc_t TVirtualFitter::GetFCN ( )
inlinevirtual

Definition at line 72 of file TVirtualFitter.h.

◆ GetFitOption()

virtual Foption_t TVirtualFitter::GetFitOption ( ) const
inlinevirtual

Definition at line 73 of file TVirtualFitter.h.

◆ GetFitter()

TVirtualFitter * TVirtualFitter::GetFitter ( )
static

static: return the current Fitter

Definition at line 209 of file TVirtualFitter.cxx.

◆ GetMaxIterations()

Int_t TVirtualFitter::GetMaxIterations ( )
static

static: Return the maximum number of iterations actually max number of function calls

Definition at line 218 of file TVirtualFitter.cxx.

◆ GetMethodCall()

TMethodCall* TVirtualFitter::GetMethodCall ( ) const
inline

Definition at line 74 of file TVirtualFitter.h.

◆ GetNumberFreeParameters()

virtual Int_t TVirtualFitter::GetNumberFreeParameters ( ) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ GetNumberTotalParameters()

virtual Int_t TVirtualFitter::GetNumberTotalParameters ( ) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ GetObjectFit()

virtual TObject* TVirtualFitter::GetObjectFit ( ) const
inlinevirtual

Definition at line 77 of file TVirtualFitter.h.

◆ GetParameter() [1/2]

virtual Double_t TVirtualFitter::GetParameter ( Int_t  ipar) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ GetParameter() [2/2]

virtual Int_t TVirtualFitter::GetParameter ( Int_t  ipar,
char *  name,
Double_t value,
Double_t verr,
Double_t vlow,
Double_t vhigh 
) const
pure virtual

Implemented in TFitter, TFumili, TBackCompFitter, and TLinearFitter.

◆ GetParError()

virtual Double_t TVirtualFitter::GetParError ( Int_t  ipar) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ GetParName()

virtual const char* TVirtualFitter::GetParName ( Int_t  ipar) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ GetPrecision()

Double_t TVirtualFitter::GetPrecision ( )
static

static: Return the fit relative precision

Definition at line 236 of file TVirtualFitter.cxx.

◆ GetStats()

virtual Int_t TVirtualFitter::GetStats ( Double_t amin,
Double_t edm,
Double_t errdef,
Int_t nvpar,
Int_t nparx 
) const
pure virtual

Implemented in TFitter, TFumili, TBackCompFitter, and TLinearFitter.

◆ GetSumLog()

virtual Double_t TVirtualFitter::GetSumLog ( Int_t  i)
pure virtual

Implemented in TLinearFitter, TFumili, TFitter, and TBackCompFitter.

◆ GetUserFunc()

virtual TObject* TVirtualFitter::GetUserFunc ( ) const
inlinevirtual

Definition at line 84 of file TVirtualFitter.h.

◆ GetXfirst()

virtual Int_t TVirtualFitter::GetXfirst ( ) const
inlinevirtual

Definition at line 85 of file TVirtualFitter.h.

◆ GetXlast()

virtual Int_t TVirtualFitter::GetXlast ( ) const
inlinevirtual

Definition at line 86 of file TVirtualFitter.h.

◆ GetYfirst()

virtual Int_t TVirtualFitter::GetYfirst ( ) const
inlinevirtual

Definition at line 87 of file TVirtualFitter.h.

◆ GetYlast()

virtual Int_t TVirtualFitter::GetYlast ( ) const
inlinevirtual

Definition at line 88 of file TVirtualFitter.h.

◆ GetZfirst()

virtual Int_t TVirtualFitter::GetZfirst ( ) const
inlinevirtual

Definition at line 89 of file TVirtualFitter.h.

◆ GetZlast()

virtual Int_t TVirtualFitter::GetZlast ( ) const
inlinevirtual

Definition at line 90 of file TVirtualFitter.h.

◆ IsFixed()

virtual Bool_t TVirtualFitter::IsFixed ( Int_t  ipar) const
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ operator=()

TVirtualFitter & TVirtualFitter::operator= ( const TVirtualFitter tvf)
protected

assignment operator

Definition at line 116 of file TVirtualFitter.cxx.

◆ PrintResults()

virtual void TVirtualFitter::PrintResults ( Int_t  level,
Double_t  amin 
) const
pure virtual

Implemented in TLinearFitter, TFitter, TBackCompFitter, and TFumili.

◆ ReleaseParameter()

virtual void TVirtualFitter::ReleaseParameter ( Int_t  ipar)
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ SetCache()

Double_t * TVirtualFitter::SetCache ( Int_t  npoints,
Int_t  psize 
)
virtual

Initialize the cache array npoints is the number of points to be stored (or already stored) in the cache psize is the number of elements per point.

if (npoints*psize > fCacheSize) the existing cache is deleted and a new array is created. The function returns a pointer to the cache

Definition at line 281 of file TVirtualFitter.cxx.

◆ SetDefaultFitter()

void TVirtualFitter::SetDefaultFitter ( const char *  name = "")
static

static: set name of default fitter

Definition at line 245 of file TVirtualFitter.cxx.

◆ SetErrorDef()

void TVirtualFitter::SetErrorDef ( Double_t  errdef = 1)
static

static: Set the Error Definition (default=1) For Minuit this is the value passed with the "SET ERR" command (see https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html)

Definition at line 308 of file TVirtualFitter.cxx.

◆ SetFCN()

void TVirtualFitter::SetFCN ( void(*)(Int_t &, Double_t *, Double_t &f, Double_t *, Int_t fcn)
virtual

To set the address of the minimization objective function called by the native compiler (see function below when called by CINT)

Reimplemented in TFitter, and TBackCompFitter.

Definition at line 267 of file TVirtualFitter.cxx.

◆ SetFitMethod()

virtual void TVirtualFitter::SetFitMethod ( const char *  name)
pure virtual

Implemented in TFitter, TFumili, TBackCompFitter, and TLinearFitter.

◆ SetFitOption()

virtual void TVirtualFitter::SetFitOption ( Foption_t  option)
inlinevirtual

Definition at line 97 of file TVirtualFitter.h.

◆ SetFitter()

void TVirtualFitter::SetFitter ( TVirtualFitter fitter,
Int_t  maxpar = 25 
)
static

Static function to set an alternative fitter.

Definition at line 257 of file TVirtualFitter.cxx.

◆ SetMaxIterations()

void TVirtualFitter::SetMaxIterations ( Int_t  niter = 5000)
static

static: Set the maximum number of function calls for the minimization algorithm For example for MIGRAD this is the maxcalls value passed as first argument (see https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html )

Definition at line 298 of file TVirtualFitter.cxx.

◆ SetObjectFit()

virtual void TVirtualFitter::SetObjectFit ( TObject obj)
inlinevirtual

Definition at line 98 of file TVirtualFitter.h.

◆ SetParameter()

virtual Int_t TVirtualFitter::SetParameter ( Int_t  ipar,
const char *  parname,
Double_t  value,
Double_t  verr,
Double_t  vlow,
Double_t  vhigh 
)
pure virtual

Implemented in TLinearFitter, TFitter, TFumili, and TBackCompFitter.

◆ SetPrecision()

void TVirtualFitter::SetPrecision ( Double_t  prec = 1e-6)
static

static: Set the tolerance used in the minimization algorithm For example for MIGRAD this is tolerance value passed as second argument (see https://cern-tex.web.cern.ch/cern-tex/minuit/node18.html )

Definition at line 323 of file TVirtualFitter.cxx.

◆ SetUserFunc()

virtual void TVirtualFitter::SetUserFunc ( TObject userfunc)
inlinevirtual

Definition at line 100 of file TVirtualFitter.h.

◆ SetXfirst()

virtual void TVirtualFitter::SetXfirst ( Int_t  first)
inlinevirtual

Definition at line 101 of file TVirtualFitter.h.

◆ SetXlast()

virtual void TVirtualFitter::SetXlast ( Int_t  last)
inlinevirtual

Definition at line 102 of file TVirtualFitter.h.

◆ SetYfirst()

virtual void TVirtualFitter::SetYfirst ( Int_t  first)
inlinevirtual

Definition at line 103 of file TVirtualFitter.h.

◆ SetYlast()

virtual void TVirtualFitter::SetYlast ( Int_t  last)
inlinevirtual

Definition at line 104 of file TVirtualFitter.h.

◆ SetZfirst()

virtual void TVirtualFitter::SetZfirst ( Int_t  first)
inlinevirtual

Definition at line 105 of file TVirtualFitter.h.

◆ SetZlast()

virtual void TVirtualFitter::SetZlast ( Int_t  last)
inlinevirtual

Definition at line 106 of file TVirtualFitter.h.

Member Data Documentation

◆ fCache

Double_t* TVirtualFitter::fCache
protected

Definition at line 42 of file TVirtualFitter.h.

◆ fCacheSize

Int_t TVirtualFitter::fCacheSize
protected

Definition at line 41 of file TVirtualFitter.h.

◆ fFCN

void(* TVirtualFitter::fFCN) (Int_t &npar, Double_t *gin, Double_t &f, Double_t *u, Int_t flag)
protected

Definition at line 46 of file TVirtualFitter.h.

◆ fMethodCall

TMethodCall* TVirtualFitter::fMethodCall
protected

Definition at line 45 of file TVirtualFitter.h.

◆ fNpoints

Int_t TVirtualFitter::fNpoints
protected

Definition at line 39 of file TVirtualFitter.h.

◆ fObjectFit

TObject* TVirtualFitter::fObjectFit
protected

Definition at line 43 of file TVirtualFitter.h.

◆ fOption

Foption_t TVirtualFitter::fOption
protected

Definition at line 32 of file TVirtualFitter.h.

◆ fPointSize

Int_t TVirtualFitter::fPointSize
protected

Definition at line 40 of file TVirtualFitter.h.

◆ fUserFunc

TObject* TVirtualFitter::fUserFunc
protected

Definition at line 44 of file TVirtualFitter.h.

◆ fXfirst

Int_t TVirtualFitter::fXfirst
protected

Definition at line 33 of file TVirtualFitter.h.

◆ fXlast

Int_t TVirtualFitter::fXlast
protected

Definition at line 34 of file TVirtualFitter.h.

◆ fYfirst

Int_t TVirtualFitter::fYfirst
protected

Definition at line 35 of file TVirtualFitter.h.

◆ fYlast

Int_t TVirtualFitter::fYlast
protected

Definition at line 36 of file TVirtualFitter.h.

◆ fZfirst

Int_t TVirtualFitter::fZfirst
protected

Definition at line 37 of file TVirtualFitter.h.

◆ fZlast

Int_t TVirtualFitter::fZlast
protected

Definition at line 38 of file TVirtualFitter.h.

Libraries for TVirtualFitter:
[legend]

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