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TVirtualFitter Class Referenceabstract

Abstract Base Class for Fitting.

Definition at line 33 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  EStatusBits {
  kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4),
  kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13)
}
 
enum  { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 

Public Member Functions

 TVirtualFitter ()
 
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 GetNumberTotalParameters () const =0
 
virtual Int_t GetNumberFreeParameters () const =0
 
virtual TObjectGetObjectFit () const
 
virtual Double_t GetParError (Int_t ipar) const =0
 
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 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)
 To set the address of the minimization objective function. 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 TString &name, const TString &title)
 
 TNamed (const TNamed &named)
 
TNamedoperator= (const TNamed &rhs)
 TNamed assignment operator. More...
 
virtual ~TNamed ()
 
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 SetName (const char *name)
 Change (i.e. More...
 
virtual void SetNameTitle (const char *name, const char *title)
 Change (i.e. set) all the TNamed parameters (name and title). More...
 
virtual void SetTitle (const char *title="")
 Change (i.e. set) the title of the TNamed. More...
 
virtual void ls (Option_t *option="") const
 List TNamed name and title. More...
 
virtual void Print (Option_t *option="") const
 Print TNamed name and title. More...
 
virtual Int_t Sizeof () const
 Return size of the TNamed part of the TObject. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual ~TObject ()
 TObject destructor. 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...
 
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 pad. More...
 
virtual void Dump () const
 Dump contents of object on stdout. 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 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 UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual Option_tGetOption () const
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. 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...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
Bool_t IsOnHeap () const
 
Bool_t IsZombie () const
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. 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...
 
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...
 
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 UseCurrentStyle ()
 Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. 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...
 
voidoperator new (size_t sz)
 
voidoperator new[] (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz, void *vp)
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
void ResetBit (UInt_t f)
 
Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
void InvertBit (UInt_t f)
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. 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...
 
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...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 

Static Public Member Functions

static TVirtualFitterGetFitter ()
 static: return the current Fitter More...
 
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 Int_t GetMaxIterations ()
 static: Return the maximum number of iterations actually max number of function calls More...
 
static Double_t GetErrorDef ()
 static: Return the Error Definition 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 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 http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html ) 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 http://wwwasdoc.web.cern.ch/wwwasdoc/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 http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html ) More...
 
- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat 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
void MakeZombie ()
 
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected). More...
 

Protected Attributes

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

#include <TVirtualFitter.h>

Inheritance diagram for TVirtualFitter:
[legend]

Member Typedef Documentation

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

Definition at line 75 of file TVirtualFitter.h.

Constructor & Destructor Documentation

TVirtualFitter::TVirtualFitter ( const TVirtualFitter tvf)
protected

copy constructor

Definition at line 94 of file TVirtualFitter.cxx.

TVirtualFitter::TVirtualFitter ( )
TVirtualFitter::~TVirtualFitter ( )
virtual

Cleanup virtual fitter.

Definition at line 143 of file TVirtualFitter.cxx.

Member Function Documentation

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

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

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

Reimplemented from TNamed.

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by DoOldMinimization(), and TSPlot::MakeSPlot().

virtual Int_t TVirtualFitter::ExecuteCommand ( const char *  command,
Double_t args,
Int_t  nargs 
)
pure virtual
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 160 of file TVirtualFitter.cxx.

Referenced by TMultiDimFit::Fit(), fit2dHist(), fitCircle(), TSPlot::MakeSPlot(), testOldMinimizer(), and TwoHistoFit2D().

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

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, TBackCompFitter, and TFitter.

Definition at line 186 of file TVirtualFitter.cxx.

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, TBackCompFitter, and TFitter.

Definition at line 194 of file TVirtualFitter.cxx.

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

const char * TVirtualFitter::GetDefaultFitter ( )
static

static: return the name of the default fitter

Definition at line 201 of file TVirtualFitter.cxx.

Referenced by TBackCompFitter::ExecuteCommand().

Double_t TVirtualFitter::GetErrorDef ( )
static

static: Return the Error Definition

Definition at line 228 of file TVirtualFitter.cxx.

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, TFumili, TBackCompFitter, and TFitter.

virtual FCNFunc_t TVirtualFitter::GetFCN ( )
inlinevirtual

Definition at line 76 of file TVirtualFitter.h.

virtual Foption_t TVirtualFitter::GetFitOption ( ) const
inlinevirtual
TVirtualFitter * TVirtualFitter::GetFitter ( )
static
Int_t TVirtualFitter::GetMaxIterations ( )
static

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

Definition at line 219 of file TVirtualFitter.cxx.

TMethodCall* TVirtualFitter::GetMethodCall ( ) const
inline

Definition at line 78 of file TVirtualFitter.h.

Referenced by HFit::Fit(), and InteractiveFCN().

virtual Int_t TVirtualFitter::GetNumberFreeParameters ( ) const
pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual Int_t TVirtualFitter::GetNumberTotalParameters ( ) const
pure virtual

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual TObject* TVirtualFitter::GetObjectFit ( ) const
inlinevirtual
virtual Double_t TVirtualFitter::GetParameter ( Int_t  ipar) const
pure virtual
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 TLinearFitter, TFumili, TBackCompFitter, and TFitter.

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by fit2dHist(), and TwoHistoFit2D().

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Double_t TVirtualFitter::GetPrecision ( )
static

static: Return the fit relative precision

Definition at line 237 of file TVirtualFitter.cxx.

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual TObject* TVirtualFitter::GetUserFunc ( ) const
inlinevirtual
virtual Int_t TVirtualFitter::GetXfirst ( ) const
inlinevirtual
virtual Int_t TVirtualFitter::GetXlast ( ) const
inlinevirtual
virtual Int_t TVirtualFitter::GetYfirst ( ) const
inlinevirtual

Definition at line 91 of file TVirtualFitter.h.

Referenced by TLinearFitter::HistLinearFitter().

virtual Int_t TVirtualFitter::GetYlast ( ) const
inlinevirtual

Definition at line 92 of file TVirtualFitter.h.

Referenced by TLinearFitter::HistLinearFitter().

virtual Int_t TVirtualFitter::GetZfirst ( ) const
inlinevirtual

Definition at line 93 of file TVirtualFitter.h.

Referenced by TLinearFitter::HistLinearFitter().

virtual Int_t TVirtualFitter::GetZlast ( ) const
inlinevirtual

Definition at line 94 of file TVirtualFitter.h.

Referenced by TLinearFitter::HistLinearFitter().

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

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

assignment operator

Definition at line 117 of file TVirtualFitter.cxx.

Referenced by TLinearFitter::operator=().

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

Referenced by TMultiDimFit::Print().

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

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 301 of file TVirtualFitter.cxx.

void TVirtualFitter::SetDefaultFitter ( const char *  name = "")
static
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 http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html)

Definition at line 346 of file TVirtualFitter.cxx.

void TVirtualFitter::SetFCN ( void fcn)
virtual

To set the address of the minimization objective function.

this function is called by CINT instead of the function above

Reimplemented in TBackCompFitter, and TFitter.

Definition at line 318 of file TVirtualFitter.cxx.

Referenced by DoOldMinimization(), TMultiDimFit::Fit(), fit2dHist(), fitCircle(), TSPlot::MakeSPlot(), TFitter::SetFCN(), TFumili::SetFitMethod(), TFumiliMinimizer::SetFunction(), and TwoHistoFit2D().

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 TBackCompFitter, and TFitter.

Definition at line 268 of file TVirtualFitter.cxx.

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

Implemented in TLinearFitter, TFumili, TBackCompFitter, and TFitter.

virtual void TVirtualFitter::SetFitOption ( Foption_t  option)
inlinevirtual

Definition at line 102 of file TVirtualFitter.h.

Referenced by HFit::Fit(), and ROOT::Fit::UnBinFit().

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

Static function to set an alternative fitter.

Definition at line 258 of file TVirtualFitter.cxx.

Referenced by HFit::Fit(), TBackCompFitter::SetFCN(), and ROOT::Fit::UnBinFit().

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 http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html )

Definition at line 336 of file TVirtualFitter.cxx.

virtual void TVirtualFitter::SetObjectFit ( TObject obj)
inlinevirtual

Definition at line 103 of file TVirtualFitter.h.

Referenced by HFit::Fit(), and TSPlot::MakeSPlot().

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
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 http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node18.html )

Definition at line 361 of file TVirtualFitter.cxx.

virtual void TVirtualFitter::SetUserFunc ( TObject userfunc)
inlinevirtual

Definition at line 105 of file TVirtualFitter.h.

Referenced by HFit::Fit(), and ROOT::Fit::UnBinFit().

virtual void TVirtualFitter::SetXfirst ( Int_t  first)
inlinevirtual

Definition at line 106 of file TVirtualFitter.h.

virtual void TVirtualFitter::SetXlast ( Int_t  last)
inlinevirtual

Definition at line 107 of file TVirtualFitter.h.

virtual void TVirtualFitter::SetYfirst ( Int_t  first)
inlinevirtual

Definition at line 108 of file TVirtualFitter.h.

virtual void TVirtualFitter::SetYlast ( Int_t  last)
inlinevirtual

Definition at line 109 of file TVirtualFitter.h.

virtual void TVirtualFitter::SetZfirst ( Int_t  first)
inlinevirtual

Definition at line 110 of file TVirtualFitter.h.

virtual void TVirtualFitter::SetZlast ( Int_t  last)
inlinevirtual

Definition at line 111 of file TVirtualFitter.h.

Member Data Documentation

Double_t* TVirtualFitter::fCache
protected
Int_t TVirtualFitter::fCacheSize
protected

Definition at line 45 of file TVirtualFitter.h.

Referenced by operator=(), and SetCache().

void(* TVirtualFitter::fFCN)(Int_t &npar, Double_t *gin, Double_t &f, Double_t *u, Int_t flag)
protected
TMethodCall* TVirtualFitter::fMethodCall
protected
Int_t TVirtualFitter::fNpoints
protected
TObject* TVirtualFitter::fObjectFit
protected
Foption_t TVirtualFitter::fOption
protected

Definition at line 36 of file TVirtualFitter.h.

Referenced by GetFitOption(), operator=(), and SetFitOption().

Int_t TVirtualFitter::fPointSize
protected
TObject* TVirtualFitter::fUserFunc
protected
Int_t TVirtualFitter::fXfirst
protected

Definition at line 37 of file TVirtualFitter.h.

Referenced by GetXfirst(), operator=(), and SetXfirst().

Int_t TVirtualFitter::fXlast
protected

Definition at line 38 of file TVirtualFitter.h.

Referenced by GetXlast(), operator=(), and SetXlast().

Int_t TVirtualFitter::fYfirst
protected

Definition at line 39 of file TVirtualFitter.h.

Referenced by GetYfirst(), operator=(), and SetYfirst().

Int_t TVirtualFitter::fYlast
protected

Definition at line 40 of file TVirtualFitter.h.

Referenced by GetYlast(), operator=(), and SetYlast().

Int_t TVirtualFitter::fZfirst
protected

Definition at line 41 of file TVirtualFitter.h.

Referenced by GetZfirst(), operator=(), and SetZfirst().

Int_t TVirtualFitter::fZlast
protected

Definition at line 42 of file TVirtualFitter.h.

Referenced by GetZlast(), operator=(), and SetZlast().

Collaboration diagram for TVirtualFitter:
[legend]

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