Alexandria 2.31.0
SDC-CH common library for the Euclid project
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Polynomial.h
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1/*
2 * Copyright (C) 2012-2021 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_POLYNOMIAL_H
26#define MATHUTILS_POLYNOMIAL_H
27
28#include <vector>
29
31
34
35namespace Euclid {
36namespace MathUtils {
37
44
45public:
54
56 virtual ~Polynomial() = default;
57
59 const std::vector<double>& getCoefficients() const;
60
62 double operator()(const double) const override;
63
65 void operator()(const std::vector<double>& xs, std::vector<double>& out) const override;
66
68 std::unique_ptr<Function> clone() const override;
69
72
74 std::shared_ptr<Function> indefiniteIntegral() const override;
75
76private:
80 mutable std::shared_ptr<Function> m_derivative{};
82 mutable std::shared_ptr<Function> m_indefIntegral{};
83
84}; // End of Polynomial
85
86} // namespace MathUtils
87} // end of namespace Euclid
88
89#endif /* MATHUTILS_POLYNOMIAL_H */
Interface representing a differentiable function.
Represents a polynomial function.
Definition Polynomial.h:43
std::vector< double > m_coef
The vector where the polynomial coefficients are stored.
Definition Polynomial.h:78
virtual ~Polynomial()=default
Default destructor.
#define ELEMENTS_API
double derivative(const Function &f, const double x)