Re: [ROOT] TObjArray

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Hi Davide,
Your cast of a TArrayD to a TObject is illegal.
TArrayD does not derive from TObject.

Use a TVectorD instead of a TArrayD and it will work.

Rene Brun

Davide Cremonesi wrote:
> 
> Hello everybody,
> I'm probably doing something wrong but cannot find out what.
> Could someone explain me what happens?
> 
> in root I type:
> 
> TObjArray a
> TArrayD one(1)
> a.Add((TObject*)&one)
> a.Remove((TObject*)&one)
> 
>  *** Break *** illegal instruction
> 
> Even with a heap allocated object the result is the same:
> TObjArray b
> TArrayD *two=new TArrayD(2)
> a.Add((TObject*)two)
> a.Remove((TObject*)two)
> 
>  *** Break *** illegal instruction
> 
> Thanks for any hint.
> Davide Cremonesi, IFCTR MI.

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