constraining parameter ranges in fits

Hi all -

I have always been able to use TF1::SetParLimits to restrict the values of various parameters. This does not seem to work any longer in recent ROOT versions, whether or not i use the "B" option.

Is there a new way to be doing this?

thanks,
peter

--
Dr. Peter Steinberg

Staff Physicist, Quantum Diarist          Brookhaven National Laboratory
Office: +1 631-344-4390                          Mobile: +1 917-443-7417
Email: peter.steinberg@bnl.gov    Web: http://www.rhic.bnl.gov/~steinber
http://www.quantumdiaries.org    Blog: http://blogs.quantumdiaries.org/5