Hi Muge, This problem has been fixed in the CVS version. Rene Brun Muge Karagoz Unel wrote: > > Dear All, > > I have this problem in root 3.05/04. When I add two histograms > the number of entries is not reported correctly. There is always an > extra 81 added to the actual sum!! (See the example below) > However, when the Event Status is displayed, the Sum is correctly > reported. > Also the problem goes away when the histograms are added one by one. > ( root [25] a->Add(t_x1); ) > > This problem did not exist in 3.03/07. > > Any insight would be appreciated. > Thank you! > Muge > > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > root [41] q1=t_x1->GetEntries(); > Warning: Automatic variable q1 is allocated FILE:(tmpfile) LINE:1 > root [42] q1 > (double)7.80000000000000000e+01 > root [43] q2=t_x2->GetEntries(); > Warning: Automatic variable q2 is allocated FILE:(tmpfile) LINE:1 > root [44] q2 > (double)2.96000000000000000e+02 > root [45] a->Reset(); > root [46] a->Add(t_x1,t_x2); > root [47] q3=a->GetEntries(); > Warning: Automatic variable q3 is allocated FILE:(tmpfile) LINE:1 > root [48] q3 > (double)4.55000000000000000e+02 > > q1+q2=374 > 374+81=q3=455 (!!!???) > > ********************************************************** > Muge Karagoz UNEL > Dept. of Phys & Astro karagozm@nwu.edu > Northwestern Univ 847 491 2811 NWU > Evanston, IL 60208 630 840 3054 FNL > ********************************************************** > "So let us then try to climb the mountain, not by stepping > on what is below us, but pulling us up at what is above us, > for my part at the stars" M.C. ESCHER
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