Hi Paolo, Do: double arglist[10]; arglist[0]=-1; gMinuit->mnexcm("SET PRINT",arglist,1,ierflg); arglist[0] = 0; gMinuit->mnexcm("SET NOW", arglist,0,ierflg); To see the list of all TMinuit options, you can do: root > TMinuit m root > m.mnhelp() root > m.mnhelp("set") Rene Brun Paolo MAESTRO wrote: > > Hi rooters, > > how can I completely switch off the output from TMinuit? > > I tried: > > double arglist[10]; > > arglist[0]=-1; > > gMinuit->mnexcm("SET PRINT",arglist,1,ierflg); > > but yet a minimal output is present. > > If it is not possible to avoid this output, how can I redirect it to a > file > > without redirecting to this file the whole output (i.e. cout<<"xyz") > from my program ? > > Thanks > Paolo
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