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LatAnalyze/latan/MinuitMinimizer.hpp

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2014-02-20 20:21:45 +00:00
/*
* MinuitMinimizer.hpp, part of LatAnalyze 3
*
* Copyright (C) 2013 - 2014 Antonin Portelli
*
* LatAnalyze 3 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* LatAnalyze 3 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LatAnalyze 3. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef Latan_MinuitMinimizer_hpp_
#define Latan_MinuitMinimizer_hpp_
#include <latan/Global.hpp>
#include <latan/Function.hpp>
#include <latan/Minimizer.hpp>
#include <Minuit2/FCNBase.h>
BEGIN_NAMESPACE
/******************************************************************************
* Minuit minimizer *
******************************************************************************/
class MinuitMinimizer: public Minimizer
{
private:
class MinuitFunction: public ROOT::Minuit2::FCNBase
{
public:
// constructor
explicit MinuitFunction(const DoubleFunction &f);
// destructor
virtual ~MinuitFunction(void) = default;
// minuit members
virtual double operator()(const std::vector<double> &x) const;
virtual double Up(void) const;
private:
const DoubleFunction *f_;
};
public:
// constructors
using Minimizer::Minimizer;
// destructor
virtual ~MinuitMinimizer(void) = default;
// minimization
virtual const DVec & operator()(const DoubleFunction &f);
};
END_NAMESPACE
#endif // Latan_MinuitMinimizer_hpp_