Alexandria  2.27.0
SDC-CH common library for the Euclid project
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GridInterpolation.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.
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9  * This library is distributed in the hope that it will be useful, but WITHOUT
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11  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12  * details.
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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
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18 
19 #ifndef MATHUTILS_GRIDINTERPOLATION_H
20 #define MATHUTILS_GRIDINTERPOLATION_H
21 
22 #include "NdArray/NdArray.h"
23 #include <tuple>
24 #include <vector>
25 
26 namespace Euclid {
27 namespace MathUtils {
28 
52 template <typename... AxisType>
53 class InterpN {
54 public:
67  InterpN(const std::tuple<std::vector<AxisType>...>& grid, const NdArray::NdArray<double>& values, bool extrapolate);
68 
72  ~InterpN() = default;
73 
77  double operator()(AxisType... args) const;
78 };
79 
80 } // namespace MathUtils
81 } // namespace Euclid
82 
83 #define GRIDINTERPOLATION_IMPL
85 #undef GRIDINTERPOLATION_IMPL
86 
87 #endif // MATHUTILS_GRIDINTERPOLATION_H
double operator()(AxisType...args) const
STL class.
InterpN(const std::tuple< std::vector< AxisType >...> &grid, const NdArray::NdArray< double > &values, bool extrapolate)