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Interpolate.h
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1// -*- LSST-C++ -*-
2#if !defined(LSST_AFW_MATH_INTERPOLATE_H)
3#define LSST_AFW_MATH_INTERPOLATE_H
4
5/*
6 * LSST Data Management System
7 * Copyright 2008, 2009, 2010 LSST Corporation.
8 *
9 * This product includes software developed by the
10 * LSST Project (http://www.lsst.org/).
11 *
12 * This program is free software: you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation, either version 3 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the LSST License Statement and
23 * the GNU General Public License along with this program. If not,
24 * see <http://www.lsstcorp.org/LegalNotices/>.
25 */
26#include "lsst/base.h"
27#include "ndarray_fwd.h"
28
29namespace lsst {
30namespace afw {
31namespace math {
32
33/*
34 * Interpolate values for a set of x,y vector<>s
35 */
37public:
49
52 Interpolate::Style const style);
53
54 Interpolate(Interpolate const &) = delete;
56 Interpolate &operator=(Interpolate const &) = delete;
58 virtual ~Interpolate() = default;
59 virtual double interpolate(double const x) const = 0;
61 ndarray::Array<double, 1> interpolate(ndarray::Array<double const, 1> const &x) const;
62
63protected:
68 std::vector<double> const &y,
69 Interpolate::Style const style = UNKNOWN
70 )
71 : _x(x), _y(y), _style(style) {}
81 Interpolate::Style const style = UNKNOWN);
82
86};
87
97std::shared_ptr<Interpolate> makeInterpolate(ndarray::Array<double const, 1> const &x,
98 ndarray::Array<double const, 1> const &y,
118} // namespace math
119} // namespace afw
120} // namespace lsst
121
122#endif // LSST_AFW_MATH_INTERPOLATE_H
int y
Definition SpanSet.cc:48
Basic LSST definitions.
virtual double interpolate(double const x) const =0
std::vector< double > const _x
Definition Interpolate.h:83
std::vector< double > const _y
Definition Interpolate.h:84
virtual ~Interpolate()=default
Interpolate & operator=(Interpolate &&)=delete
Interpolate::Style const _style
Definition Interpolate.h:85
friend std::shared_ptr< Interpolate > makeInterpolate(std::vector< double > const &x, std::vector< double > const &y, Interpolate::Style const style)
A factory function to make Interpolate objects.
Interpolate(Interpolate const &)=delete
Interpolate(Interpolate &&)=delete
Interpolate & operator=(Interpolate const &)=delete
Interpolate(std::vector< double > const &x, std::vector< double > const &y, Interpolate::Style const style=UNKNOWN)
Base class ctor.
Definition Interpolate.h:67
Interpolate::Style lookupMaxInterpStyle(int const n)
Get the highest order Interpolation::Style available for 'n' points.
int lookupMinInterpPoints(Interpolate::Style const style)
Get the minimum number of points needed to use the requested interpolation style.
Interpolate::Style stringToInterpStyle(std::string const &style)
Conversion function to switch a string to an Interpolate::Style.
std::shared_ptr< Interpolate > makeInterpolate(std::vector< double > const &x, std::vector< double > const &y, Interpolate::Style const style=Interpolate::AKIMA_SPLINE)
A factory function to make Interpolate objects.