include/root/TNtupleD.h

0001 // @(#)root/tree:$Id$
0002 // Author: Rene Brun   06/04/96
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_TNtupleD
0013 #define ROOT_TNtupleD
0014
0015
0016 //////////////////////////////////////////////////////////////////////////
0017 //                                                                      //
0018 // TNtupleD                                                             //
0019 //                                                                      //
0020 // A simple tree with branches of doubles.                              //
0021 //                                                                      //
0022 //////////////////////////////////////////////////////////////////////////
0023
0024 #include "TTree.h"
0025
0026 class TBrowser;
0027
0028 class TNtupleD : public TTree {
0029
0030 protected:
0031    Int_t       fNvar;            ///<  Number of columns
0032    Double_t    *fArgs;           ///<! [fNvar] Array of variables
0033
0034    Int_t  Fill() override;
0035
0036 private:
0037    TNtupleD(const TNtupleD&) = delete;
0038    TNtupleD& operator=(const TNtupleD&) = delete;
0039
0040 public:
0041    TNtupleD();
0042    TNtupleD(const char *name,const char *title, const char *varlist, Int_t bufsize=32000);
0043    ~TNtupleD() override;
0044
0045            void      Browse(TBrowser *b) override;
0046    virtual Int_t     Fill(const Double_t *x);
0047    virtual Int_t     Fill(Double_t x0, Double_t x1, Double_t x2=0, Double_t x3=0,
0048                           Double_t x4=0, Double_t x5=0, Double_t x6=0, Double_t x7=0,
0049                           Double_t x8=0, Double_t x9=0, Double_t x10=0,
0050                           Double_t x11=0, Double_t x12=0, Double_t x13=0,
0051                           Double_t x14=0);
0052    virtual Int_t     GetNvar() const { return fNvar; }
0053            Double_t *GetArgs() const { return fArgs; }
0054            Long64_t  ReadStream(std::istream& inputstream, const char *branchDescriptor="", char delimiter = ' ') override;
0055            void      ResetBranchAddress(TBranch *) override;
0056            void      ResetBranchAddresses() override;
0057
0058    ClassDefOverride(TNtupleD,1)  //A simple tree with branches of floats.
0059 };
0060
0061 #endif