func tree0(f *hio.File) {
t, err := f.CreateTuple("events")
if err != nil {
panic(err)
}
// fill some events with random numbers
nevents := *evtmax
for iev := 0; iev != nevents; iev++ {
if iev%1000 == 0 {
fmt.Printf(":: processing event %d...\n", iev)
}
e := Event{}
// the two energies follow a gaussian distribution
ea, eb := croot.GRandom.Rannord()
e.A.E = ea
e.B.E = eb
e.A.T = croot.GRandom.Rndm(1)
e.B.T = e.A.T * croot.GRandom.Gaus(0., 1.)
if iev%1000 == 0 {
fmt.Printf("evt.a.e= %8.3f\n", e.A.E)
fmt.Printf("evt.a.t= %8.3f\n", e.A.T)
fmt.Printf("evt.b.e= %8.3f\n", e.B.E)
fmt.Printf("evt.b.t= %8.3f\n", e.B.T)
}
err = t.Write(e)
if err != nil {
panic(err)
}
}
}
func tree0(f *hio.File) {
t, err := f.OpenTuple("events")
if err != nil {
panic(err)
}
// fill some events with random numbers
nevents := int64(*evtmax)
if nevents < 0 {
nevents = t.Entries()
}
if nevents > t.Entries() {
nevents = t.Entries()
}
for iev := int64(0); iev != nevents; iev++ {
if iev%1000 == 0 || true {
fmt.Printf(":: processing event %d...\n", iev)
}
e := Event{}
err = t.Read(&e)
if err != nil {
panic(err)
}
if iev%1000 == 0 || true {
fmt.Printf("ievt= %d\n", iev)
fmt.Printf("evt.a.e= %8.3f\n", e.A.E)
fmt.Printf("evt.a.t= %8.3f\n", e.A.T)
fmt.Printf("evt.b.e= %8.3f\n", e.B.E)
fmt.Printf("evt.b.t= %8.3f\n", e.B.T)
}
}
}