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[Wile_E_Coyote]

Export histogram in ascii - Print("all") loses precision

Dear co-rooters, I have a TH1F histogram and while on a root session I type the the following When I open the file with an editor, surprisingly I see the following fSumw[3608466]=1453, x=0.00400941 fSumw[3608467]=1450, x=0.00400941 fSumw[3608468]=1450, x=0.00400941 fSumw[3608469]=1448, x=0.00400941 fSumw[3608470]=1453, x=0.00400941 fSumw[3608471]=1455, x=0.00400941 fSumw[3608472]=1449, x=0.00400941 fSumw[3608473]=1459, x=0.00400941 fSumw[3608474]=1449, x=0.00400941 fSumw[3608475]=1…

Large numbers on x-axis and problems loosing precision

Dear ROOT-forumers I have a problem trying to use the TTimeStamp for the x-axis of my histogram. It seems to me that the problem is that the precision is lost. I typically make the x-axis from a 9-digit number that I get from the GetSec() method of TTimeStamp, making this into a float, and defining a histogram using these floats as the x-axis bin-values (I need to use floats, so that the values of the histogram and the values on the x-axis both are floats, I have understood must be required). A…