13 TFile na(
"na49.root",
"RECREATE");
R__EXTERN TBenchmark * gBenchmark
virtual void Start(const char *name)
Starts Benchmark with the specified name.
virtual void Show(const char *name)
Stops Benchmark name and Prints results.
A ROOT file is composed of a header, followed by consecutive data records (TKey instances) with a wel...
TObject * FindObject(const char *name) const override
Search object identified by name in the geometry tree.
virtual Int_t Write(const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
Write this object to the current directory.