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CubicSpline2d.h
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31 // $Maintainer: Lars Nilse $
32 // $Authors: Lars Nilse $
33 // --------------------------------------------------------------------------
34
35 #pragma once
36
37 #include <OpenMS/OpenMSConfig.h>
38
39 #include <vector>
40 #include <map>
41
42 namespace OpenMS
43 {
53 class OPENMS_DLLAPI CubicSpline2d
54 {
55
56 std::vector<double> a_;
57 std::vector<double> b_;
58 std::vector<double> c_;
59 std::vector<double> d_;
60 std::vector<double> x_;
61
62 public:
63
74 CubicSpline2d(const std::vector<double>& x, const std::vector<double>& y);
75
81 CubicSpline2d(const std::map<double, double>& m);
82
88 double eval(double x) const;
89
97 double derivatives(double x, unsigned order) const;
98
99 private:
100
107 void init_(const std::vector<double>& x, const std::vector<double>& y);
108
109 };
110
111 }
112
OpenMS::CubicSpline2d::c_
std::vector< double > c_
quadratic spline coefficients
Definition: CubicSpline2d.h:58
OpenMS::CubicSpline2d::a_
std::vector< double > a_
constant spline coefficients
Definition: CubicSpline2d.h:56
OpenMS::CubicSpline2d::b_
std::vector< double > b_
linear spline coefficients
Definition: CubicSpline2d.h:57
OpenMS
Main OpenMS namespace.
Definition: FeatureDeconvolution.h:46
OpenMS::CubicSpline2d
cubic spline interpolation as described in R.L. Burden, J.D. Faires, Numerical Analysis, 4th ed. PWS-Kent, 1989, ISBN 0-53491-585-X, pp. 126-131.
Definition: CubicSpline2d.h:53
OpenMS::CubicSpline2d::x_
std::vector< double > x_
knots
Definition: CubicSpline2d.h:60
OpenMS::CubicSpline2d::d_
std::vector< double > d_
cubic spline coefficients
Definition: CubicSpline2d.h:59