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TLeafD32.h
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1 // @(#)root/tree:$Id$
2 // Author: Simon Spies 23/02/19
3 
4 /*************************************************************************
5  * Copyright (C) 1995-2019, 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_TLeafD32
13 #define ROOT_TLeafD32
14 
15 //////////////////////////////////////////////////////////////////////////
16 // //
17 // TLeafD32 //
18 // //
19 // A TLeaf for a 24 bit truncated floating point data type. //
20 // //
21 //////////////////////////////////////////////////////////////////////////
22 
23 #include "TStreamerElement.h"
24 #include "TLeaf.h"
25 
26 class TLeafD32 : public TLeaf {
27 
28 protected:
29  Double32_t fMinimum; ///< Minimum value if leaf range is specified
30  Double32_t fMaximum; ///< Maximum value if leaf range is specified
31  Double32_t *fValue; ///<! Pointer to data buffer
32  Double32_t **fPointer; ///<! Address of pointer to data buffer
33  TStreamerElement *fElement; ///<! StreamerElement used for TBuffer read / write
34 
35 public:
36  TLeafD32();
37  TLeafD32(TBranch *parent, const char *name, const char *type);
38  virtual ~TLeafD32();
39 
40  virtual void Export(TClonesArray *list, Int_t n);
41  virtual void FillBasket(TBuffer &b);
42  const char *GetTypeName() const { return "Double32_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  ClassDef(TLeafD32, 1); // A TLeaf for a 24 bit truncated floating point data type.
53 };
54 
55 // if leaf is a simple type, i must be set to 0
56 // if leaf is an array, i is the array element number to be returned
58 {
59  return fValue[i];
60 }
61 
62 #endif
virtual void Export(TClonesArray *list, Int_t n)
Export element from local leaf buffer to ClonesArray.
Definition: TLeafD32.cxx:71
virtual void PrintValue(Int_t i=0) const
Prints leaf value.
Definition: TLeafD32.cxx:111
A TLeaf describes individual elements of a TBranch See TBranch structure in TTree.
Definition: TLeaf.h:49
Buffer base class used for serializing objects.
Definition: TBuffer.h:42
virtual void FillBasket(TBuffer &b)
Pack leaf elements in Basket output buffer.
Definition: TLeafD32.cxx:83
int Int_t
Definition: RtypesCore.h:41
Double32_t fMaximum
Maximum value if leaf range is specified.
Definition: TLeafD32.h:30
Double32_t fMinimum
Minimum value if leaf range is specified.
Definition: TLeafD32.h:29
virtual void * GetValuePointer() const
Definition: TLeafD32.h:44
Double32_t ** fPointer
! Address of pointer to data buffer
Definition: TLeafD32.h:32
#define ClassDef(name, id)
Definition: Rtypes.h:326
A TLeaf for a 24 bit truncated floating point data type.
Definition: TLeafD32.h:26
static constexpr double s
double Double32_t
Definition: RtypesCore.h:56
const char * GetTypeName() const
Definition: TLeafD32.h:42
virtual void ReadValue(std::istream &s, Char_t delim=' ')
Read a double from std::istream s and store it into the branch buffer.
Definition: TLeafD32.cxx:161
TLeafD32()
Default constructor for LeafD32.
Definition: TLeafD32.cxx:29
Double32_t * fValue
! Pointer to data buffer
Definition: TLeafD32.h:31
virtual void ReadBasket(TBuffer &b)
Read leaf elements from Basket input buffer.
Definition: TLeafD32.cxx:120
virtual void ReadBasketExport(TBuffer &b, TClonesArray *list, Int_t n)
Read leaf elements from Basket input buffer and export buffer to TClonesArray objects.
Definition: TLeafD32.cxx:147
TStreamerElement * fElement
! StreamerElement used for TBuffer read / write
Definition: TLeafD32.h:33
double Double_t
Definition: RtypesCore.h:55
int type
Definition: TGX11.cxx:120
virtual ~TLeafD32()
Default destructor for a LeafD32.
Definition: TLeafD32.cxx:59
char Char_t
Definition: RtypesCore.h:29
An array of clone (identical) objects.
Definition: TClonesArray.h:32
virtual void SetAddress(void *add=0)
Set leaf buffer data address.
Definition: TLeafD32.cxx:171
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
Double_t GetValue(Int_t i=0) const
Definition: TLeafD32.h:57
virtual void Import(TClonesArray *list, Int_t n)
Import element from ClonesArray into local leaf buffer.
Definition: TLeafD32.cxx:94
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