include/root/TLeafD.h

0001 // @(#)root/tree:$Id$
0002 // Author: Rene Brun   12/01/96
0003
0004 /*************************************************************************
0005  * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
0006  * All rights reserved.                                                  *
0007  *                                                                       *
0008  * For the licensing terms see $ROOTSYS/LICENSE.                         *
0009  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
0010  *************************************************************************/
0011
0012 #ifndef ROOT_TLeafD
0013 #define ROOT_TLeafD
0014
0015
0016 //////////////////////////////////////////////////////////////////////////
0017 //                                                                      //
0018 // TLeafD                                                               //
0019 //                                                                      //
0020 // A TLeaf for a 64 bit floating point data type.                       //
0021 //                                                                      //
0022 //////////////////////////////////////////////////////////////////////////
0023
0024 #include "TLeaf.h"
0025
0026 class TLeafD : public TLeaf {
0027
0028 protected:
0029    Double_t       fMinimum;         ///<  Minimum value if leaf range is specified
0030    Double_t       fMaximum;         ///<  Maximum value if leaf range is specified
0031    Double_t       *fValue;          ///<! Pointer to data buffer
0032    Double_t       **fPointer;       ///<! Address of pointer to data buffer
0033
0034 public:
0035    TLeafD();
0036    TLeafD(TBranch *parent, const char *name, const char *type);
0037    ~TLeafD() override;
0038
0039    void            Export(TClonesArray *list, Int_t n) override;
0040    void            FillBasket(TBuffer &b) override;
0041    DeserializeType GetDeserializeType() const override { return DeserializeType::kInPlace; }
0042    const char     *GetTypeName() const override { return "Double_t"; }
0043    Double_t        GetValue(Int_t i=0) const override;
0044    void           *GetValuePointer() const override { return fValue; }
0045    void            Import(TClonesArray *list, Int_t n) override;
0046    void            PrintValue(Int_t i=0) const override;
0047    void            ReadBasket(TBuffer &b) override;
0048    void            ReadBasketExport(TBuffer &b, TClonesArray *list, Int_t n) override;
0049    void            ReadValue(std::istream& s, Char_t delim = ' ') override;
0050    void            SetAddress(void *add=nullptr) override;
0051
0052    bool            ReadBasketFast(TBuffer&, Long64_t) override;
0053
0054    ClassDefOverride(TLeafD,1);  //A TLeaf for a 64 bit floating point data type.
0055 };
0056
0057 // if leaf is a simple type, i must be set to 0
0058 // if leaf is an array, i is the array element number to be returned
0059 inline Double_t TLeafD::GetValue(Int_t i) const { return fValue[i]; }
0060
0061 #endif