Hi Niels,
You do not show enough information, in particular the crucial line where
you declare the array ntp is missing.
Check that the allocation for ntp is large enough to accomodate the characters
in your sprintf statements.
Rene Brun
Niels Madsen wrote:
>
> Dear ROOTers,
>
> I've made an array of some histograms :
> TH1F *ap[5];
> for (i=0; i<nset; i++) {
> sprintf(ntp,"ap_%d",i);
> ap[i] = new TH1F(ntp,"Antiprotons into mixing",100,0,15000);
> }
>
> And now I seem to have problems filling them we doing it like this
> (from an array of ntuples) :
> for (i=0; i<nset; i++) {
> c3->cd(i);
> sprintf(ntp,"pbars>>ap_%d",i);
> mixi[i]->Draw(ntp,cuta&&cutac,"");
> }
>
> It does do something - and then crashes - is this supposed to work ? -
> is there some
> more intelligent way to name the entries ?
>
> Thanks,
> Niels
>
> -----------------------------------------
> Dr. Niels Madsen
> CERN - EP/LR - 15-R-023
> CH-1211 Geneva 23
> Switzerland
> Tel. +41 22 767 2387 Fax. +41 22 767 8955
> Lab. +41 22 767 9814 Mob. +41 79 201 0835
>
>
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