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TLeafD.h
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1 // @(#)root/tree:$Id$
2 // Author: Rene Brun 12/01/96
3 
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  *************************************************************************/
11 
12 #ifndef ROOT_TLeafD
13 #define ROOT_TLeafD
14 
15 
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TLeafD //
19 // //
20 // A TLeaf for a 64 bit floating point data type. //
21 // //
22 //////////////////////////////////////////////////////////////////////////
23 
24 #include "TLeaf.h"
25 
26 class TLeafD : public TLeaf {
27 
28 protected:
29  Double_t fMinimum; ///< Minimum value if leaf range is specified
30  Double_t fMaximum; ///< Maximum value if leaf range is specified
31  Double_t *fValue; ///<! Pointer to data buffer
32  Double_t **fPointer; ///<! Address of pointer to data buffer
33 
34 public:
35  TLeafD();
36  TLeafD(TBranch *parent, const char *name, const char *type);
37  virtual ~TLeafD();
38 
39  virtual void Export(TClonesArray *list, Int_t n);
40  virtual void FillBasket(TBuffer &b);
42  const char *GetTypeName() const { return "Double_t"; }
43  Double_t GetValue(Int_t i=0) const;
44  virtual void *GetValuePointer() const { return fValue; }
45  virtual void Import(TClonesArray *list, Int_t n);
46  virtual void PrintValue(Int_t i=0) const;
47  virtual void ReadBasket(TBuffer &b);
48  virtual void ReadBasketExport(TBuffer &b, TClonesArray *list, Int_t n);
49  virtual void ReadValue(std::istream& s, Char_t delim = ' ');
50  virtual void SetAddress(void *add=0);
51 
52  virtual bool ReadBasketFast(TBuffer&, Long64_t);
54 
55  ClassDef(TLeafD,1); //A TLeaf for a 64 bit floating point data type.
56 };
57 
58 // if leaf is a simple type, i must be set to 0
59 // if leaf is an array, i is the array element number to be returned
60 inline Double_t TLeafD::GetValue(Int_t i) const { return fValue[i]; }
61 
62 #endif
Double_t * fValue
! Pointer to data buffer
Definition: TLeafD.h:31
A TLeaf describes individual elements of a TBranch See TBranch structure in TTree.
Definition: TLeaf.h:49
A TLeaf for a 64 bit floating point data type.
Definition: TLeafD.h:26
long long Long64_t
Definition: RtypesCore.h:69
virtual ~TLeafD()
Default destructor for a LeafD.
Definition: TLeafD.cxx:54
Double_t GetValue(Int_t i=0) const
Definition: TLeafD.h:60
virtual void FillBasket(TBuffer &b)
Pack leaf elements in Basket output buffer.
Definition: TLeafD.cxx:74
virtual void PrintValue(Int_t i=0) const
Prints leaf value.
Definition: TLeafD.cxx:100
virtual void ReadBasketExport(TBuffer &b, TClonesArray *list, Int_t n)
Read leaf elements from Basket input buffer and export buffer to TClonesArray objects.
Definition: TLeafD.cxx:142
virtual DeserializeType GetDeserializeType() const
Definition: TLeafD.h:41
Buffer base class used for serializing objects.
Definition: TBuffer.h:42
int Int_t
Definition: RtypesCore.h:41
virtual void SetAddress(void *add=0)
Set leaf buffer data address.
Definition: TLeafD.cxx:165
#define ClassDef(name, id)
Definition: Rtypes.h:326
virtual void * GetValuePointer() const
Definition: TLeafD.h:44
static constexpr double s
virtual void Import(TClonesArray *list, Int_t n)
Import element from ClonesArray into local leaf buffer.
Definition: TLeafD.cxx:84
Double_t ** fPointer
! Address of pointer to data buffer
Definition: TLeafD.h:32
Double_t fMinimum
Minimum value if leaf range is specified.
Definition: TLeafD.h:29
const char * GetTypeName() const
Definition: TLeafD.h:42
virtual bool ReadBasketFast(TBuffer &, Long64_t)
Definition: TLeafD.cxx:133
double Double_t
Definition: RtypesCore.h:55
int type
Definition: TGX11.cxx:120
virtual bool ReadBasketSerialized(TBuffer &, Long64_t)
Definition: TLeafD.h:53
virtual void ReadBasket(TBuffer &b)
Read leaf elements from Basket input buffer.
Definition: TLeafD.cxx:109
char Char_t
Definition: RtypesCore.h:29
An array of clone (identical) objects.
Definition: TClonesArray.h:32
Double_t fMaximum
Maximum value if leaf range is specified.
Definition: TLeafD.h:30
DeserializeType
Definition: TLeaf.h:91
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 void Export(TClonesArray *list, Int_t n)
Export element from local leaf buffer to ClonesArray.
Definition: TLeafD.cxx:62
A TTree is a list of TBranches.
Definition: TBranch.h:90
const Int_t n
Definition: legend1.C:16
char name[80]
Definition: TGX11.cxx:109
virtual void ReadValue(std::istream &s, Char_t delim=' ')
Read a double from std::istream s and store it into the branch buffer.
Definition: TLeafD.cxx:156
TLeafD()
Default constructor for LeafD.
Definition: TLeafD.cxx:29