reintegration of LatCore & folder restructuration

lib/Numerical/MinuitMinimizer.hpp

@@ -0,0 +1,60 @@
+/*
+ * MinuitMinimizer.hpp, part of LatAnalyze 3
+ *
+ * Copyright (C) 2013 - 2016 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 <LatAnalyze/Global.hpp>
+#include <LatAnalyze/Functional/Function.hpp>
+#include <LatAnalyze/Numerical/Minimizer.hpp>
+
+BEGIN_LATAN_NAMESPACE
+
+/******************************************************************************
+ *                  interface to CERN Minuit minimizer                        *
+ * ( http://www.cern.ch/minuit )                                              *
+ ******************************************************************************/
+class MinuitMinimizer: public Minimizer
+{
+public:
+    enum class Algorithm
+    {
+        migrad   = 1,
+        simplex  = 2,
+        combined = 3
+    };
+public:
+    // constructor
+    explicit MinuitMinimizer(const Algorithm algorithm = defaultAlg_);
+    // destructor
+    virtual ~MinuitMinimizer(void) = default;
+    // access
+    Algorithm    getAlgorithm(void) const;
+    void         setAlgorithm(const Algorithm algorithm);
+    virtual bool supportLimits(void) const;
+    // minimization
+    virtual const DVec & operator()(const DoubleFunction &f);
+private:
+    Algorithm                  algorithm_;
+    static constexpr Algorithm defaultAlg_ = Algorithm::combined;
+};
+
+END_LATAN_NAMESPACE
+
+#endif // Latan_MinuitMinimizer_hpp_