[ROOT] I don't understand

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 Hi,
I have this very strange problem:

In MyClsass.h:
#define MAX 100
UShort_t     fMinWidth[MAX];
....

In MyClass.cxx:
void MyClass::AnyFunction() const
{
cout << "before " << fMinWidth[0] << endl;
for (UInt_t j=0; j< all_entries; j++)
  fTree->GetEntry(j);
cout << "after " << fMinWidth[0] << endl;
}

Compile this class -> libMyClass.so
In ROOT:
1) filling array fMinWidth from SQL database, OK
2) for example fMinWidth[0] = 10;
3) analyze for example run01.root (1 000 000 events)
   before 10
   after 10
all is OK
4) analyze for example run02.root
   before 10
   after  56720 !!!
4) analyze to same file run02.root, but only 1000 events
   before 10
   after 10
all is OK

I don't understand, maybe file run02.root is corrupted ?
run01, run02 was created by root_v4.00.00 (CVS ~feb 2004)
Now I using root_v4.00.03 (CVS 22 mar 2004)

Thanks in advance,

 Jano




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