> Why don't you use simply a array of TString (eg see TFormula).
or TObjectString wich is TString+Tobject
This class you can put into collection
Victor
Rene Brun wrote:
>
> Hi Miha,
> You are doing an illegal operation in fParNames.AddLast((TObject*)pnm);
> You should not add to a TObjArray something that is not a TObject*.
> This will give problems later when Cloning.
> Why don't you use simply a array of TString (eg see TFormula).
>
> Rene Brun
>
> On Fri, 13 Apr 2001 miha.puc@marvin.fmf.uni-lj.si wrote:
>
> > Hi ROOTers!
> >
> > I want to Clone() my class TFoonction and get a Segmentation fault.
> >
> > >From debugger I got
> >
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x400d39a5 in TBuffer::WriteObject () from /usr/share/root/lib/libCore.so
> > Current language: auto; currently c
> > (gdb) bt
> > #0 0x400d39a5 in TBuffer::WriteObject () from
> > /usr/share/root/lib/libCore.so
> > #1 0x4012320f in TObjArray::Streamer () from
> > /usr/share/root/lib/libCore.so
> > #2 0x4014686d in TStreamerInfo::WriteBuffer ()
> > from /usr/share/root/lib/libCore.so
> > #3 0x4012d66f in TClass::WriteBuffer () from
> > /usr/share/root/lib/libCore.so
> > #4 0x40b5a624 in TFoonction::Streamer (this=0x86bbb28,
> > R(bool)=@0x86c5b30)
> > at TFoonction_Dict.cc:110
> > #5 0x400ed404 in TObject::Clone () from /usr/share/root/lib/libCore.so
> > #6 0x400ebe75 in TNamed::Clone () from /usr/share/root/lib/libCore.so
> > #7 0x40b59c3c in TFoonction::Add (this=0x86bbfb8, Fnc=0x86bbb28,
> > Fname=0x804a5dc "Sline1") at TFoonction.cxx:121
> > #8 0x8049278 in SetFoonc () at SetFoonc.cxx:29
> > #9 0x8048f97 in main (argc=2, argv=0xbffffc54) at testFoo.C:24
> >
> >
> > It seems that TObjArray fParNames is the problem.
> > I fill it with the loop below and it works OK otherwise.
> >
> > for (Int_t ij=0; ij<fNprs; ij++) {
> > TString *pnm = new TString(name);
> > *pnm += "_p";
> > *pnm += ij;
> > fParNames.AddLast((TObject*)pnm);
> > }
> >
> >
> > Does anyone know where the problem is?
> > I use ROOT v3.01/00 on RH 6.2.
> >
> > Thank you,
> > Miha
> >
> > --
> >
--
Victor M. Perevoztchikov perev@bnl.gov perev@vxcern.cern.ch
Brookhaven National Laboratory MS 510A PO Box 5000 Upton NY 11973-5000
tel office : 631-344-7894; fax 631-344-4206; home 631-345-2690
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