42 TNtupleD(
const char *
name,
const char *title,
const char *varlist,
Int_t bufsize=32000);
54 Long64_t ReadStream(std::istream& inputstream,
const char *branchDescriptor=
"",
char delimiter =
' ')
override;
static const double x4[22]
static const double x3[11]
#define ClassDefOverride(name, id)
Option_t Option_t TPoint TPoint const char x2
Option_t Option_t TPoint TPoint const char x1
A TTree is a list of TBranches.
Using a TBrowser one can browse all ROOT objects.
A simple TTree restricted to a list of double variables only.
virtual Int_t GetNvar() const
void Browse(TBrowser *b) override
Browse content.
Long64_t ReadStream(std::istream &inputstream, const char *branchDescriptor="", char delimiter=' ') override
Read from filename as many columns as variables in the ntuple the function returns the number of rows...
Double_t * GetArgs() const
void ResetBranchAddress(TBranch *) override
Reset the branch addresses to the internal fArgs array.
TNtupleD & operator=(const TNtupleD &)=delete
TNtupleD(const TNtupleD &)=delete
TNtupleD()
Default constructor for Ntuple.
virtual ~TNtupleD()
Default destructor for an Ntuple.
void ResetBranchAddresses() override
Reset the branch addresses to the internal fArgs array.
Int_t Fill() override
Fill a Ntuple with current values in fArgs.
Int_t fNvar
Number of columns.
Double_t * fArgs
! [fNvar] Array of variables
A TTree represents a columnar dataset.