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CubicSpline2d.h
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34 
35 #ifndef OPENMS_MATH_MISC_CUBICSPLINE2D_H
36 #define OPENMS_MATH_MISC_CUBICSPLINE2D_H
37 
38 #include <OpenMS/config.h>
39 
40 #include <vector>
41 #include <map>
42 
43 namespace OpenMS
44 {
54  class OPENMS_DLLAPI CubicSpline2d
55  {
56 
57  std::vector<double> a_; // constant spline coefficients
58  std::vector<double> b_; // linear spline coefficients
59  std::vector<double> c_; // quadratic spline coefficients
60  std::vector<double> d_; // cubic spline coefficients
61  std::vector<double> x_; // knots
62 
63 public:
64 
75  CubicSpline2d(const std::vector<double>& x, const std::vector<double>& y);
76 
82  CubicSpline2d(const std::map<double, double>& m);
83 
89  double eval(double x) const;
90 
98  double derivatives(double x, unsigned order) const;
99 
100 private:
101 
108  void init_(const std::vector<double>& x, const std::vector<double>& y);
109 
110  };
111 
112 }
113 
114 #endif /* OPENMS_MATH_MISC_CUBICSPLINE2D_H */
std::vector< double > a_
Definition: CubicSpline2d.h:57
std::vector< double > x_
Definition: CubicSpline2d.h:61
Main OpenMS namespace.
Definition: FeatureDeconvolution.h:47
std::vector< double > b_
Definition: CubicSpline2d.h:58
std::vector< double > c_
Definition: CubicSpline2d.h:59
std::vector< double > d_
Definition: CubicSpline2d.h:60
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:54

OpenMS / TOPP release 2.0.0 Documentation generated on Tue Aug 25 2015 05:53:45 using doxygen 1.8.9.1