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;
int Int_t
Signed integer 4 bytes (int).
double Double_t
Double 8 bytes.
long long Long64_t
Portable signed long integer 8 bytes.
#define ClassDefOverride(name, id)
A TTree is a list of TBranches.
Using a TBrowser one can browse all ROOT objects.
virtual Int_t GetNvar() const
~TNtupleD() override
Default destructor for an Ntuple.
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.
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
TTree()
Default constructor and I/O constructor.