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70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/*
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* Function.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_Function_hpp_
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#define Latan_Function_hpp_
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#include <latan/Global.hpp>
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#include <functional>
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#include <memory>
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#include <stack>
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#include <vector>
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#include <cstdarg>
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BEGIN_NAMESPACE
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/******************************************************************************
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* Base function class *
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******************************************************************************/
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class Function
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{
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public:
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// constructor/destructor
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explicit Function(const unsigned nArg);
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virtual ~Function(void);
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// access
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unsigned int getNArg(void) const;
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private:
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const unsigned int nArg_;
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};
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/******************************************************************************
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* Double function class *
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******************************************************************************/
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class DoubleFunction: public Function
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{
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private:
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typedef std::function<double(const std::vector<double> &)> vecFunc;
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public:
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// constructor/destructor
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explicit DoubleFunction(const unsigned nArg, vecFunc f = nullptr);
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virtual ~DoubleFunction(void);
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// function call
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virtual double evaluate(const std::vector<double> &arg) const;
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double operator()(std::stack<double> &arg) const;
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double operator()(const double x0, ...) const;
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private:
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std::shared_ptr<std::vector<double>> buffer_;
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vecFunc f_;
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};
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END_NAMESPACE
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#endif // Latan_Function_hpp_
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