> > Could anyone please tell me what is wrong with the following little
> > piece of code? I am using v4.00/08, linux redhat 8.0. I'm not sure it
gPad is not a variable. It is macro.
#define gPad (TVirtualPad::Pad())
CINT does not work with macros. For C++ your code is valid.
Victor
Victor M. Perevoztchikov perev@bnl.gov
Brookhaven National Laboratory MS 510A PO Box 5000 Upton NY 11973-5000
tel office : 631-344-7894; fax 631-344-4206;
----- Original Message -----
From: "Axel Naumann" <axel-naumann@gmx.de>
To: "Chris Crawford" <chris2@lns.mit.edu>
Cc: <roottalk@pcroot.cern.ch>
Sent: Wednesday, September 22, 2004 5:51 PM
Subject: Re: [ROOT] for + if + gPad problem?
> Hi Chris,
> this is due to cint's loop optimization. .O 0 prevents it.
> Axel.
>
> Chris Crawford wrote:
> > Hello,
> > Could anyone please tell me what is wrong with the following little
> > piece of code? I am using v4.00/08, linux redhat 8.0. I'm not sure it
> > really has to do with gPad, that's just what I ran across.
> > --thanks,
> > Chris Crawford
> >
> > {
> > new TCanvas("cv1","cv1");
> > for (int x=0;x<2;x++) { //x=1;x<2;x++
> > cout<<"gPad1="<<gPad<<endl;
> > if (!x) cout<<"gPad2="<<gPad<<endl;
> > if (x) cout<<"gPad3="<<gPad<<endl;
> > }
> > }
> >
> >
>
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