Alexandria 2.31.0
SDC-CH common library for the Euclid project
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FiniteDifference.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_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_
26#define MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_
27
29
30namespace Euclid {
31namespace MathUtils {
32
48double derivative(const Function& f, const double x);
49
65double derivative2nd(const Function& f, const double x);
66
67} // end namespace MathUtils
68} // end namespace Euclid
69
70#endif // MATHUTILS_MATHUTILS_NUMERICALDIFFERENTIATION_FINITEDIFFERENCE_H_
double derivative2nd(const Function &f, const double x)
std::array< std::vector< double >, N > Coordinates
Used to pass the grid coordinates to interpn. Internally will make a copy of the required values.
double derivative(const Function &f, const double x)
NAryFunction< 1 > Function
Alias for an unary function.
Definition Function.h:116