[u/mrichter/AliRoot.git] / PWG4 / JetTasks / AliTHn.h

#ifndef AliTHn_H
#define AliTHn_H

/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

// optimized data container reusing functionality of AliCFContainer / THnsparse

#include "TObject.h"
#include "TString.h"
#include "AliCFContainer.h"

class TArrayF;
class TCollection;

class AliTHn : public AliCFContainer
{
 public:
  AliTHn();
  AliTHn(const Char_t* name, const Char_t* title,const Int_t nSelStep, const Int_t nVarIn, const Int_t* nBinIn);
  
  virtual ~AliTHn();
  
  virtual void  Fill(const Double_t *var, Int_t istep, Double_t weight=1.) ;
  virtual void  FillParent();
  
  TArrayF* GetValues(Int_t step) { return fValues[step]; }
  TArrayF* GetSumw2(Int_t step)  { return fSumw2[step]; }
  
  void DeleteContainers();
  void ReduceAxis();
  
  AliTHn(const AliTHn &c);
  AliTHn& operator=(const AliTHn& corr);
  virtual void Copy(TObject& c) const;

  virtual Long64_t Merge(TCollection* list);
  
protected:
  void Init();
  Long64_t GetGlobalBinIndex(const Int_t* binIdx);
  
  Long64_t fNBins;   // number of total bins
  Int_t    fNVars;   // number of variables
  Int_t    fNSteps;  // number of selection steps
  TArrayF **fValues; //[fNSteps] data container
  TArrayF **fSumw2;  //[fNSteps] data container
  TAxis** axisCache; //! cache axis pointers (about 50% of the time in Fill is spent in GetAxis otherwise)
  
  ClassDef(AliTHn, 3) // THn like container
};

#endif
Commit	Line	Data
85bfac17	1	#ifndef AliTHn_H
	2	#define AliTHn_H
	3
	4	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	5	* See cxx source for full Copyright notice */
	6
	7	// optimized data container reusing functionality of AliCFContainer / THnsparse
	8
	9	#include "TObject.h"
	10	#include "TString.h"
	11	#include "AliCFContainer.h"
	12
	13	class TArrayF;
	14	class TCollection;
	15
	16	class AliTHn : public AliCFContainer
	17	{
	18	public:
	19	AliTHn();
	20	AliTHn(const Char_t* name, const Char_t* title,const Int_t nSelStep, const Int_t nVarIn, const Int_t* nBinIn);
	21
	22	virtual ~AliTHn();
	23
	24	virtual void Fill(const Double_t *var, Int_t istep, Double_t weight=1.) ;
	25	virtual void FillParent();
	26
	27	TArrayF* GetValues(Int_t step) { return fValues[step]; }
	28	TArrayF* GetSumw2(Int_t step) { return fSumw2[step]; }
	29
	30	void DeleteContainers();
c32a0ca9	31	void ReduceAxis();
85bfac17	32
	33	AliTHn(const AliTHn &c);
	34	AliTHn& operator=(const AliTHn& corr);
	35	virtual void Copy(TObject& c) const;
	36
	37	virtual Long64_t Merge(TCollection* list);
	38
	39	protected:
	40	void Init();
	41	Long64_t GetGlobalBinIndex(const Int_t* binIdx);
	42
	43	Long64_t fNBins; // number of total bins
	44	Int_t fNVars; // number of variables
	45	Int_t fNSteps; // number of selection steps
	46	TArrayF **fValues; //[fNSteps] data container
	47	TArrayF **fSumw2; //[fNSteps] data container
eed401dc	48	TAxis** axisCache; //! cache axis pointers (about 50% of the time in Fill is spent in GetAxis otherwise)
85bfac17	49
eed401dc	50	ClassDef(AliTHn, 3) // THn like container
85bfac17	51	};
	52
	53	#endif