42 TNtupleD(
const char *
name,
const char *title,
const char *varlist,
Int_t bufsize=32000);
54 virtual Long64_t ReadStream(std::istream& inputstream,
const char *branchDescriptor=
"",
char delimiter =
' ');
static const double x2[5]
static const double x4[22]
static const double x1[5]
static const double x3[11]
#define ClassDef(name, id)
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
TNtupleD(const TNtupleD &)
TNtupleD & operator=(const TNtupleD &)
void ResetBranchAddresses()
Reset the branch addresses to the internal fArgs array.
virtual void Browse(TBrowser *b)
Browse content.
virtual Long64_t ReadStream(std::istream &inputstream, const char *branchDescriptor="", char delimiter=' ')
Read from filename as many columns as variables in the ntuple the function returns the number of rows...
virtual void ResetBranchAddress(TBranch *)
Reset the branch addresses to the internal fArgs array.
Double_t * GetArgs() const
virtual Int_t Fill()
Fill a Ntuple with current values in fArgs.
TNtupleD()
Default constructor for Ntuple.
virtual ~TNtupleD()
Default destructor for an Ntuple.
Int_t fNvar
Number of columns.
Double_t * fArgs
! [fNvar] Array of variables
A TTree represents a columnar dataset.