Alexandria  2.18
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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 
30 namespace Euclid {
31 namespace MathUtils {
32 
48 double derivative(const Function& f, const double x);
49 
65 double 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)
double derivative(const Function &f, const double x)