TH1.cxx File Reference

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <sstream>
#include "Riostream.h"
#include "TROOT.h"
#include "TClass.h"
#include "TMath.h"
#include "THashList.h"
#include "TH1.h"
#include "TH2.h"
#include "TH3.h"
#include "TF2.h"
#include "TF3.h"
#include "TPluginManager.h"
#include "TVirtualPad.h"
#include "TRandom.h"
#include "TVirtualFitter.h"
#include "THLimitsFinder.h"
#include "TProfile.h"
#include "TStyle.h"
#include "TVectorF.h"
#include "TVectorD.h"
#include "TBrowser.h"
#include "TObjString.h"
#include "TError.h"
#include "TVirtualHistPainter.h"
#include "TVirtualFFT.h"
#include "TSystem.h"
#include "HFitInterface.h"
#include "Fit/DataRange.h"
#include "Fit/BinData.h"
#include "Math/GoFTest.h"
#include "Math/MinimizerOptions.h"
#include "Math/QuantFuncMathCore.h"
#include "TH1Merger.h"

Include dependency graph for TH1.cxx:

Functions
static Bool_t	AlmostEqual (Double_t a, Double_t b, Double_t epsilon=0.00000001)
	Test if two double are almost equal. More...
static Bool_t	AlmostInteger (Double_t a, Double_t epsilon=0.00000001)
	Test if a double is almost an integer. More...
void	H1InitExpo ()
	Compute Initial values of parameters for an exponential. More...
void	H1InitGaus ()
	Compute Initial values of parameters for a gaussian. More...
void	H1InitPolynom ()
	Compute Initial values of parameters for a polynom. More...
void	H1LeastSquareFit (Int_t n, Int_t m, Double_t *a)
	Least squares lpolynomial fitting without weights. More...
void	H1LeastSquareLinearFit (Int_t ndata, Double_t &a0, Double_t &a1, Int_t &ifail)
	Least square linear fit without weights. More...
void	H1LeastSquareSeqnd (Int_t n, Double_t *a, Int_t idim, Int_t &ifail, Int_t k, Double_t *b)
	Extracted from CERN Program library routine DSEQN. More...
static bool	IsEquidistantBinning (const TAxis &axis)
	Test if the binning is equidistant. More...
TH1C	operator* (Double_t c1, const TH1C &h1)
	Operator *. More...
TH1C	operator* (const TH1C &h1, const TH1C &h2)
	Operator *. More...
TH1S	operator* (Double_t c1, const TH1S &h1)
	Operator *. More...
TH1S	operator* (const TH1S &h1, const TH1S &h2)
	Operator *. More...
TH1I	operator* (Double_t c1, const TH1I &h1)
	Operator *. More...
TH1I	operator* (const TH1I &h1, const TH1I &h2)
	Operator *. More...
TH1F	operator* (Double_t c1, const TH1F &h1)
	Operator *. More...
TH1F	operator* (const TH1F &h1, const TH1F &h2)
	Operator *. More...
TH1D	operator* (Double_t c1, const TH1D &h1)
	Operator *. More...
TH1D	operator* (const TH1D &h1, const TH1D &h2)
	Operator *. More...
TH1C	operator+ (const TH1C &h1, const TH1C &h2)
	Operator +. More...
TH1S	operator+ (const TH1S &h1, const TH1S &h2)
	Operator +. More...
TH1I	operator+ (const TH1I &h1, const TH1I &h2)
	Operator +. More...
TH1F	operator+ (const TH1F &h1, const TH1F &h2)
	Operator +. More...
TH1D	operator+ (const TH1D &h1, const TH1D &h2)
	Operator +. More...
TH1C	operator- (const TH1C &h1, const TH1C &h2)
	Operator -. More...
TH1S	operator- (const TH1S &h1, const TH1S &h2)
	Operator -. More...
TH1I	operator- (const TH1I &h1, const TH1I &h2)
	Operator -. More...
TH1F	operator- (const TH1F &h1, const TH1F &h2)
	Operator -. More...
TH1D	operator- (const TH1D &h1, const TH1D &h2)
	Operator -. More...
TH1C	operator/ (const TH1C &h1, const TH1C &h2)
	Operator /. More...
TH1S	operator/ (const TH1S &h1, const TH1S &h2)
	Operator /. More...
TH1I	operator/ (const TH1I &h1, const TH1I &h2)
	Operator /. More...
TH1F	operator/ (const TH1F &h1, const TH1F &h2)
	Operator /. More...
TH1D	operator/ (const TH1D &h1, const TH1D &h2)
	Operator /. More...
TH1 *	R__H (Int_t hid)
	return pointer to histogram with name hid if id >=0 h_id if id <0 More...
TH1 *	R__H (const char *hname)
	return pointer to histogram with name hname More...

Variables
TF1 *	gF1 =0

Function Documentation

AlmostEqual()

static Bool_t AlmostEqual ( Double_t  a, Double_t  b, Double_t  epsilon = 0.00000001  )

inlinestatic

Test if two double are almost equal.

Definition at line 5182 of file TH1.cxx.

AlmostInteger()

static Bool_t AlmostInteger ( Double_t  a, Double_t  epsilon = 0.00000001  )

inlinestatic

Test if a double is almost an integer.

Definition at line 5190 of file TH1.cxx.

H1InitExpo()

void H1InitExpo

(

)

Compute Initial values of parameters for an exponential.

Definition at line 4296 of file TH1.cxx.

H1InitGaus()

void H1InitGaus

(

)

Compute Initial values of parameters for a gaussian.

Definition at line 4240 of file TH1.cxx.

H1InitPolynom()

void H1InitPolynom

(

)

Compute Initial values of parameters for a polynom.

Definition at line 4316 of file TH1.cxx.

H1LeastSquareFit()

void H1LeastSquareFit	(	Int_t	n,
		Int_t	m,
		Double_t *	a
	)

Least squares lpolynomial fitting without weights.

Parameters

[in]	n	number of points to fit
[in]	m	number of parameters
[in]	a	array of parameters

based on CERNLIB routine LSQ: Translated to C++ by Rene Brun (E.Keil. revised by B.Schorr, 23.10.1981.)

Definition at line 4346 of file TH1.cxx.

H1LeastSquareLinearFit()

void H1LeastSquareLinearFit	(	Int_t	ndata,
		Double_t &	a0,
		Double_t &	a1,
		Int_t &	ifail
	)

Least square linear fit without weights.

extracted from CERNLIB LLSQ: Translated to C++ by Rene Brun (added to LSQ by B. Schorr, 15.02.1982.)

Definition at line 4405 of file TH1.cxx.

H1LeastSquareSeqnd()

void H1LeastSquareSeqnd	(	Int_t	n,
		Double_t *	a,
		Int_t	idim,
		Int_t &	ifail,
		Int_t	k,
		Double_t *	b
	)

Extracted from CERN Program library routine DSEQN.

Translated to C++ by Rene Brun

Definition at line 4451 of file TH1.cxx.

IsEquidistantBinning()

static bool IsEquidistantBinning ( const TAxis &  axis )

inlinestatic

Test if the binning is equidistant.

Definition at line 5199 of file TH1.cxx.

operator*() [1/10]

TH1C operator*	(	Double_t	c1,
		const TH1C &	h1
	)

Operator *.

Definition at line 8694 of file TH1.cxx.

operator*() [2/10]

TH1C operator*	(	const TH1C &	h1,
		const TH1C &	h2
	)

Operator *.

Definition at line 8727 of file TH1.cxx.

operator*() [3/10]

TH1S operator*	(	Double_t	c1,
		const TH1S &	h1
	)

Operator *.

Definition at line 8875 of file TH1.cxx.

operator*() [4/10]

TH1S operator*	(	const TH1S &	h1,
		const TH1S &	h2
	)

Operator *.

Definition at line 8908 of file TH1.cxx.

operator*() [5/10]

TH1I operator*	(	Double_t	c1,
		const TH1I &	h1
	)

Operator *.

Definition at line 9057 of file TH1.cxx.

operator*() [6/10]

TH1I operator*	(	const TH1I &	h1,
		const TH1I &	h2
	)

Operator *.

Definition at line 9090 of file TH1.cxx.

operator*() [7/10]

TH1F operator*	(	Double_t	c1,
		const TH1F &	h1
	)

Operator *.

Definition at line 9236 of file TH1.cxx.

operator*() [8/10]

TH1F operator*	(	const TH1F &	h1,
		const TH1F &	h2
	)

Operator *.

Definition at line 9269 of file TH1.cxx.

operator*() [9/10]

TH1D operator*	(	Double_t	c1,
		const TH1D &	h1
	)

Operator *.

Definition at line 9415 of file TH1.cxx.

operator*() [10/10]

TH1D operator*	(	const TH1D &	h1,
		const TH1D &	h2
	)

Operator *.

Definition at line 9448 of file TH1.cxx.

operator+() [1/5]

TH1C operator+	(	const TH1C &	h1,
		const TH1C &	h2
	)

Operator +.

Definition at line 8705 of file TH1.cxx.

operator+() [2/5]

TH1S operator+	(	const TH1S &	h1,
		const TH1S &	h2
	)

Operator +.

Definition at line 8886 of file TH1.cxx.

operator+() [3/5]

TH1I operator+	(	const TH1I &	h1,
		const TH1I &	h2
	)

Operator +.

Definition at line 9068 of file TH1.cxx.

operator+() [4/5]

TH1F operator+	(	const TH1F &	h1,
		const TH1F &	h2
	)

Operator +.

Definition at line 9247 of file TH1.cxx.

operator+() [5/5]

TH1D operator+	(	const TH1D &	h1,
		const TH1D &	h2
	)

Operator +.

Definition at line 9426 of file TH1.cxx.

operator-() [1/5]

TH1C operator-	(	const TH1C &	h1,
		const TH1C &	h2
	)

Operator -.

Definition at line 8716 of file TH1.cxx.

operator-() [2/5]

TH1S operator-	(	const TH1S &	h1,
		const TH1S &	h2
	)

Operator -.

Definition at line 8897 of file TH1.cxx.

operator-() [3/5]

TH1I operator-	(	const TH1I &	h1,
		const TH1I &	h2
	)

Operator -.

Definition at line 9079 of file TH1.cxx.

operator-() [4/5]

TH1F operator-	(	const TH1F &	h1,
		const TH1F &	h2
	)

Operator -.

Definition at line 9258 of file TH1.cxx.

operator-() [5/5]

TH1D operator-	(	const TH1D &	h1,
		const TH1D &	h2
	)

Operator -.

Definition at line 9437 of file TH1.cxx.

operator/() [1/5]

TH1C operator/	(	const TH1C &	h1,
		const TH1C &	h2
	)

Operator /.

Definition at line 8738 of file TH1.cxx.

operator/() [2/5]

TH1S operator/	(	const TH1S &	h1,
		const TH1S &	h2
	)

Operator /.

Definition at line 8919 of file TH1.cxx.

operator/() [3/5]

TH1I operator/	(	const TH1I &	h1,
		const TH1I &	h2
	)

Operator /.

Definition at line 9101 of file TH1.cxx.

operator/() [4/5]

TH1F operator/	(	const TH1F &	h1,
		const TH1F &	h2
	)

Operator /.

Definition at line 9280 of file TH1.cxx.

operator/() [5/5]

TH1D operator/	(	const TH1D &	h1,
		const TH1D &	h2
	)

Operator /.

Definition at line 9459 of file TH1.cxx.

R__H() [1/2]

TH1* R__H

(

Int_t

hid

)

return pointer to histogram with name hid if id >=0 h_id if id <0

Definition at line 9472 of file TH1.cxx.

R__H() [2/2]

TH1* R__H

(

const char *

hname

)

return pointer to histogram with name hname

Definition at line 9483 of file TH1.cxx.

Variable Documentation

gF1

TF1* gF1 =0

Definition at line 522 of file TH1.cxx.