Hi, I am using a the class generated by MakeClass on a TTree to loop on that TTree and fill some histograms. I have added 3 array of TH?I as member of the Class. I create them in the constructor. When I loop on "small" (<1MB) root file I don't have any problem but with bigger one it seems that the address of the pointer to some histogram changed causing a segmentation violation. I didn't succeed to find an error so I ask for some help. As an example I attach 3 three file modified to fit to a particular root file. In that example everthings seems OK up to ientry==244476 at that moment, the pointer to the histogram hE[40] have change of address. I am using ROOT4.00/08 and gcc3.3.3 on FC2 or gcc2.96 on Linux RH7.3 Thanks for your help, Manoel. PS: The root file (~3.3 MB) can be found at: http://www.nd.edu/~mcouder/
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