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Reference Guide
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1 // @(#)root/tree:$Id$
2 // Author: Rene Brun 12/01/96
4 /*************************************************************************
5  * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6  * All rights reserved. *
7  * *
8  * For the licensing terms see $ROOTSYS/LICENSE. *
9  * For the list of contributors see $ROOTSYS/README/CREDITS. *
10  *************************************************************************/
12 #ifndef ROOT_TLeafF
13 #define ROOT_TLeafF
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TLeafF //
19 // //
20 // A TLeaf for a 32 bit floating point data type. //
21 // //
22 //////////////////////////////////////////////////////////////////////////
24 #ifndef ROOT_TLeaf
25 #include "TLeaf.h"
26 #endif
28 class TLeafF : public TLeaf {
30 protected:
31  Float_t fMinimum; ///< Minimum value if leaf range is specified
32  Float_t fMaximum; ///< Maximum value if leaf range is specified
33  Float_t *fValue; ///<! Pointer to data buffer
34  Float_t **fPointer; ///<! Address of pointer to data buffer!
36 public:
37  TLeafF();
38  TLeafF(TBranch *parent, const char *name, const char *type);
39  virtual ~TLeafF();
41  virtual void Export(TClonesArray *list, Int_t n);
42  virtual void FillBasket(TBuffer &b);
43  const char *GetTypeName() const {return "Float_t";}
44  Double_t GetValue(Int_t i=0) const;
45  virtual void *GetValuePointer() const {return fValue;}
46  virtual void Import(TClonesArray *list, Int_t n);
47  virtual void PrintValue(Int_t i=0) const;
48  virtual void ReadBasket(TBuffer &b);
49  virtual void ReadBasketExport(TBuffer &b, TClonesArray *list, Int_t n);
50  virtual void ReadValue(std::istream& s, Char_t delim = ' ');
51  virtual void SetAddress(void *add=0);
53  ClassDef(TLeafF,1); //A TLeaf for a 32 bit floating point data type.
54 };
56 // if leaf is a simple type, i must be set to 0
57 // if leaf is an array, i is the array element number to be returned
58 inline Double_t TLeafF::GetValue(Int_t i) const { return fValue[i]; }
60 #endif
A TLeaf describes individual elements of a TBranch See TBranch structure in TTree.
Definition: TLeaf.h:37
virtual void ReadBasket(TBuffer &b)
Read leaf elements from Basket input buffer.
Definition: TLeafF.cxx:113
virtual void SetAddress(void *add=0)
Set leaf buffer data address.
Definition: TLeafF.cxx:171
float Float_t
Definition: RtypesCore.h:53
Buffer base class used for serializing objects.
Definition: TBuffer.h:42
int Int_t
Definition: RtypesCore.h:41
virtual void Export(TClonesArray *list, Int_t n)
Export element from local leaf buffer to ClonesArray.
Definition: TLeafF.cxx:62
#define ClassDef(name, id)
Definition: Rtypes.h:254
virtual void * GetValuePointer() const
Definition: TLeafF.h:45
Default constructor for LeafF.
Definition: TLeafF.cxx:29
Float_t fMaximum
Maximum value if leaf range is specified.
Definition: TLeafF.h:32
A TLeaf for a 32 bit floating point data type.
Definition: TLeafF.h:28
virtual void ReadBasketExport(TBuffer &b, TClonesArray *list, Int_t n)
Read leaf elements from Basket input buffer and export buffer to TClonesArray objects.
Definition: TLeafF.cxx:140
Float_t ** fPointer
! Address of pointer to data buffer!
Definition: TLeafF.h:34
double Double_t
Definition: RtypesCore.h:55
virtual void ReadValue(std::istream &s, Char_t delim=' ')
Read a float from std::istream s and store it into the branch buffer.
Definition: TLeafF.cxx:162
int type
Definition: TGX11.cxx:120
Float_t fMinimum
Minimum value if leaf range is specified.
Definition: TLeafF.h:31
Float_t * fValue
! Pointer to data buffer
Definition: TLeafF.h:33
virtual void PrintValue(Int_t i=0) const
Prints leaf value.
Definition: TLeafF.cxx:104
char Char_t
Definition: RtypesCore.h:29
An array of clone (identical) objects.
Definition: TClonesArray.h:32
virtual void Import(TClonesArray *list, Int_t n)
Import element from ClonesArray into local leaf buffer.
Definition: TLeafF.cxx:88
virtual void FillBasket(TBuffer &b)
Pack leaf elements in Basket output buffer.
Definition: TLeafF.cxx:78
you should not use this method at all Int_t Int_t Double_t Double_t Double_t Int_t Double_t Double_t Double_t Double_t b
Definition: TRolke.cxx:630
virtual ~TLeafF()
Default destructor for a LeafF.
Definition: TLeafF.cxx:54
A TTree is a list of TBranches.
Definition: TBranch.h:58
const Int_t n
Definition: legend1.C:16
char name[80]
Definition: TGX11.cxx:109
const char * GetTypeName() const
Definition: TLeafF.h:43
Double_t GetValue(Int_t i=0) const
Definition: TLeafF.h:58