MnFumiliMinimize.cxx

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// @(#)root/minuit2:$Id$
// Authors: M. Winkler, F. James, L. Moneta, A. Zsenei   2003-2005
 
/**********************************************************************
 *                                                                    *
 * Copyright (c) 2005 LCG ROOT Math team,  CERN/PH-SFT                *
 *                                                                    *
 **********************************************************************/
 
#include "Minuit2/MnFumiliMinimize.h"
#include "Minuit2/FunctionMinimum.h"
#include "Minuit2/FumiliMinimizer.h"
 
namespace ROOT {
 
namespace Minuit2 {
 
FunctionMinimum MnFumiliMinimize::operator()(unsigned int maxfcn, double toler)
{
   // minimize using Fumili
   // need to reimplement otherwise base class method is done
 
   assert(fState.IsValid());
   unsigned int npar = State().VariableParameters();
   //   assert(npar > 0);
   if (maxfcn == 0)
      maxfcn = 200 + 100 * npar + 5 * npar * npar;
   FunctionMinimum min = Minimizer().Minimize(Fcnbase(), fState, fStrategy, maxfcn, toler);
   fNumCall += min.NFcn();
   fState = min.UserState();
   return min;
}
 
} // namespace Minuit2
 
} // namespace ROOT