We can get the fit quality via
TMinuit::mnstat(..., fitn)
fitn=0 to 3 (best fit).
I would like to getout the MIGrade status as printed-out when fitting.
The Migrad status could be CONVERGED or PROBLEMS leading both to fitn=3
when FAILED leads generally to fint <= 2. I would like to gate on the
status PROBLEMS.
I welcome any suggestion.
Thanks a lot.
Faouzi
PS: It is not clear in TMinuit::mncomd if/how we get such status.
F. Attallah
GSI mbH
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Email: F.Attallah@gsi.de