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65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/*
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* MinuitMinimizer.hpp, part of LatAnalyze 3
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*
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* Copyright (C) 2013 - 2014 Antonin Portelli
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*
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* LatAnalyze 3 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LatAnalyze 3 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LatAnalyze 3. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef Latan_MinuitMinimizer_hpp_
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#define Latan_MinuitMinimizer_hpp_
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#include <LatAnalyze/Global.hpp>
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#include <LatAnalyze/Function.hpp>
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#include <LatAnalyze/Minimizer.hpp>
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#include <Minuit2/FCNBase.h>
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BEGIN_NAMESPACE
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/******************************************************************************
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* Minuit minimizer *
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******************************************************************************/
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class MinuitMinimizer: public Minimizer
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{
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private:
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class MinuitFunction: public ROOT::Minuit2::FCNBase
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{
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public:
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// constructor
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explicit MinuitFunction(const DoubleFunction &f);
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// destructor
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virtual ~MinuitFunction(void) = default;
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// minuit members
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virtual double operator()(const std::vector<double> &x) const;
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virtual double Up(void) const;
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private:
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const DoubleFunction *f_;
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};
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public:
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// constructor
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explicit MinuitMinimizer(const Index dim);
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// destructor
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virtual ~MinuitMinimizer(void) = default;
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// access
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virtual double getPrecision(void) const;
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virtual void setPrecision(const double precision);
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// minimization
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virtual const DVec & operator()(const DoubleFunction &f);
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};
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END_NAMESPACE
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#endif // Latan_MinuitMinimizer_hpp_
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