ROOT_528-00b_version: math/minuit2/src/MnFumiliMinimize.cxx Source File

00001 // @(#)root/minuit2:$Id: MnFumiliMinimize.cxx 20880 2007-11-19 11:23:41Z rdm $
00002 // Authors: M. Winkler, F. James, L. Moneta, A. Zsenei   2003-2005  
00003 
00004 /**********************************************************************
00005  *                                                                    *
00006  * Copyright (c) 2005 LCG ROOT Math team,  CERN/PH-SFT                *
00007  *                                                                    *
00008  **********************************************************************/
00009 
00010 #include "Minuit2/MnFumiliMinimize.h"
00011 #include "Minuit2/FunctionMinimum.h"
00012 #include "Minuit2/FumiliMinimizer.h"
00013 
00014 namespace ROOT {
00015 
00016    namespace Minuit2 {
00017 
00018 
00019 
00020 
00021 
00022 FunctionMinimum MnFumiliMinimize::operator()(unsigned int maxfcn, double toler) {
00023    // minimize using Fumili
00024    // need to reimplement otherwise base class method is done
00025    
00026    assert(fState.IsValid());
00027    unsigned int npar = VariableParameters();
00028    //   assert(npar > 0);
00029    if(maxfcn == 0) maxfcn = 200 + 100*npar + 5*npar*npar;
00030    FunctionMinimum min = Minimizer().Minimize( Fcnbase(), fState, fStrategy, maxfcn, toler);
00031    fNumCall += min.NFcn();
00032    fState = min.UserState();
00033    return min;
00034 }
00035 
00036    }  // namespace Minuit2
00037 
00038 }  // namespace ROOT