I was to include root/include/TFitResultPtr.h in my c/c++ fitting routine. But I was told "No such file..." I found this class was not included in the root version 5.22, which I got from fink! (Yes, I'm getting old.) I have 3 choces:
(1) to upgrade 5.22 in my current MacBookPro,
(2) to install a brand new 5.34, or
(3) to find another way in 5.22 without TFitResultPtr.
My estimate for required elapse time for each case is as follows.
(1) a week, (2) 3 days, (3) 1 day
I take (3).
....Result
I was right. It took a few 10 minuits to find the information I needed was
available through TF1 object used in the fit for TGraph.
lesson:
If you don't find an object in your old root, find another way to obtain the information you need. It can not be happen that there is no way in 5.22.
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