Alexandria 2.31.0
SDC-CH common library for the Euclid project
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SecantMethod.h
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1/*
2 * Copyright (C) 2022 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
19#ifndef _FUNCTIONUTILS_SECANTMETHOD_H
20#define _FUNCTIONUTILS_SECANTMETHOD_H
21
23#include <limits>
24
25namespace Euclid {
26namespace MathUtils {
27
29
38
44
57SecantReturn secantMethod(const Function& func, double x0, double x1, const SecantParams& params = SecantParams{});
58
59} // namespace MathUtils
60} // namespace Euclid
61
62#endif // _FUNCTIONUTILS_SECANTMETHOD_H
Interface class representing a function with an arbitrary number of parameters.
Definition Function.h:104
T infinity(T... args)
SecantReturn secantMethod(const Function &func, double x0, double x1, const SecantParams &params=SecantParams{})
std::size_t max_iter
Maximum number of iterations.
double min
If the gradient moves the next iteration below this limit, clip the result.
double max
If the gradient moves the next iteration above this limit, clip the result.
double root
Solution for the function.
std::size_t iterations
Number of iterations.
SecantEndReason reason
End reason.