Or in case you want to create a TObjArray with a specific default size do:
// obj.C
class TMvlTry {
public:
TMvlTry() : fArr1(4), fArr2(5) {}
~TMvlTry() {}
void Print() { printf("default sizes: fArr1(%d), fArr2(%d)\n",
fArr1.GetSize(), fArr2.GetSize()); }
protected:
TObjArray fArr1;
TObjArray fArr2;
};
root [0] .L obj.C
root [1] TMvlTry a
root [2] a.Print()
default sizes: fArr1(4), fArr2(5)
root [3] .q
Cheers, Fons.
Rene Brun wrote:
>
> Hi Marco,
> C++ is not Fortran! replace:
> TObjArray fArr1(4);
> TObjArray fArr2(4);
>
> by
> TObjArray fArr1[4];
> TObjArray fArr2[4];
>
> Rene Brun
>
> Marco van Leeuwen wrote:
> >
> > Hi all,
> >
> > I am experiencing a problem with TObjArray data members (in anm interpreted
> > class). Fortunately, it reproduces, using the follwing simple files:
> >
> > TMvlTry.h:
> >
> > class TMvlTry {
> >
> > public:
> >
> > TMvlTry() {;}
> > ~TMvlTry() {;}
> >
> > protected:
> >
> > TObjArray fArr1(4);
> > TObjArray fArr2(4);
> > };
> >
> > ---------------------------------------------------------
> >
> > TMvlTry.C:
> >
> > #include "TMvlTry.h"
> >
> > ---------------------------------------------------------
> >
> > Now at the ROOT prompt, enter:
> > .L TMvlTry.C
> > TMvlTry a
> >
> > Et voila: seg fault....
> >
> > What am I doing wrong?????
> >
> > Thanks,
> >
> > Marco van Leeuwen
--
Org: CERN, European Laboratory for Particle Physics.
Mail: 1211 Geneve 23, Switzerland
E-Mail: Fons.Rademakers@cern.ch Phone: +41 22 7679248
WWW: http://root.cern.ch/~rdm/ Fax: +41 22 7677910
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