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Function.h
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1 /*
2  * Copyright (C) 2012-2020 Euclid Science Ground Segment
3  *
4  * This library is free software; you can redistribute it and/or modify it under
5  * the terms of the GNU Lesser General Public License as published by the Free
6  * Software Foundation; either version 3.0 of the License, or (at your option)
7  * any later version.
8  *
9  * This library is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12  * details.
13  *
14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this library; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
25 #ifndef MATHUTILS_FUNCTION_H
26 #define MATHUTILS_FUNCTION_H
27 
28 #include <memory>
30 
31 namespace Euclid {
32 namespace MathUtils {
33 
46 class Function {
47 
48 public:
49 
51  virtual ~Function() = default;
52 
58  virtual double operator()(const double x) const = 0;
59 
66  virtual std::unique_ptr<Function> clone() const = 0;
67 };
68 
69 } // End of MathUtils
70 } // end of namespace Euclid
71 
72 #endif /* MATHUTILS_FUNCTION_H */
73 
Interface class representing a function.
Definition: Function.h:46
virtual ~Function()=default
Default destructor.
virtual double operator()(const double x) const =0
STL class.
virtual std::unique_ptr< Function > clone() const =0