Hello,
maybe this is a trivial question. I'm using root 2.26/00 of 7 November
2000
on Linux.
I have a file ClDrawer.C:
#include <TArrayD.h>
class ClDrawer
{
public:
ClDrawer();
int num_events; // number of selected events
TArrayD *mass_values; // mass points
};
//----------------------------------------------------------------------
ClDrawer::ClDrawer()
{
num_events = 20;
mass_values = new TArrayD(num_events);
mass_values->Set(num_events);
printf("filling in %d events\n",num_events);
int i;
for (i=0; i<num_events; ++i)
{
printf(" Event %d\n",i);
(*mass_values)[i] = 0;
}
printf("done filling\n");
}
After starting root, I run
root [0] .L ClDrawer.C
root [1] ClDrawer *cldrawer = new ClDrawer;
filling in 20 events
Event 0
Event 1
done filling
root [2]
i.e. the loop stops after the second event instead of filling in all 20.
If I comment out the line
(*mass_values)[i] = 0;
I get the output up to Event 19.
What am I doing wrong ?
thanks,
Andre
--
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Andre Holzner | +41 22 76 76750
Bureau 32 2-C13 | Building 32
CERN | Office 2-C13
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