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interpolation.hpp
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1 
5 /* Copyright (c) 2005-2012,2014 Taneli Kalvas. All rights reserved.
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42 
43 #ifndef INTERPOLATION_HPP
44 #define INTERPOLATION_HPP 1
45 
46 
47 #include <vector>
48 #include <cstddef>
49 
50 
57 {
58 protected:
59 
60  size_t _n;
61  size_t _m;
62  std::vector<double> _f;
70  Interpolation2D( size_t n, size_t m, const std::vector<double> &f );
71 
72  const double &__f( int i, int j ) const;
73  double &__f( int i, int j );
74 
75 public:
76 
79  virtual ~Interpolation2D() {}
80 
86  virtual double operator()( double x, double y ) const = 0;
87 };
88 
89 
96 {
97 
98 public:
99 
106  ClosestInterpolation2D( size_t n, size_t m, const std::vector<double> &f );
107 
111 
117  virtual double operator()( double x, double y ) const;
118 };
119 
120 
124 {
125 
126 public:
127 
134  BiLinearInterpolation2D( size_t n, size_t m, const std::vector<double> &f );
135 
139 
145  virtual double operator()( double x, double y ) const;
146 };
147 
148 
155 {
156 
157  std::vector<double> _fx;
158  std::vector<double> _fy;
159  std::vector<double> _fxy;
160  std::vector<double> _c;
165  const double &__fx( int i, int j ) const;
166  const double &__fy( int i, int j ) const;
167  const double &__fxy( int i, int j ) const;
168 
169  double &__fx( int i, int j );
170  double &__fy( int i, int j );
171  double &__fxy( int i, int j );
172 
173  static void calc_coefs( double *c, double *x );
174  static const double wt[16][16];
175 
176 public:
177 
184  BiCubicInterpolation2D( size_t n, size_t m, const std::vector<double> &f );
185 
189 
195  virtual double operator()( double x, double y ) const;
196 };
197 
198 
199 #endif
BiCubic 2d interpolation.
Definition: interpolation.hpp:155
virtual ~BiCubicInterpolation2D()
Destructor.
Definition: interpolation.hpp:188
BiCubicInterpolation2D(size_t n, size_t m, const std::vector< double > &f)
Constructor.
Definition: interpolation.cpp:224
virtual double operator()(double x, double y) const
Operator for getting interpolation at (x,y).
Definition: interpolation.cpp:293
BiLinear 2d interpolation.
Definition: interpolation.hpp:124
virtual ~BiLinearInterpolation2D()
Destructor.
Definition: interpolation.hpp:138
BiLinearInterpolation2D(size_t n, size_t m, const std::vector< double > &f)
Constructor.
Definition: interpolation.cpp:105
virtual double operator()(double x, double y) const
Operator for getting interpolation at (x,y).
Definition: interpolation.cpp:111
Closest point 2d interpolation.
Definition: interpolation.hpp:96
ClosestInterpolation2D(size_t n, size_t m, const std::vector< double > &f)
Constructor.
Definition: interpolation.cpp:79
virtual double operator()(double x, double y) const
Operator for getting interpolation at (x,y).
Definition: interpolation.cpp:85
virtual ~ClosestInterpolation2D()
Destructor.
Definition: interpolation.hpp:110
Base class for 2d interpolation.
Definition: interpolation.hpp:57
std::vector< double > _f
Function data mesh.
Definition: interpolation.hpp:62
Interpolation2D(size_t n, size_t m, const std::vector< double > &f)
Constructor.
Definition: interpolation.cpp:52
size_t _m
Size of second coordinate of mesh.
Definition: interpolation.hpp:61
virtual double operator()(double x, double y) const =0
Operator for getting interpolation at (x,y).
size_t _n
Size of first coordinate of mesh.
Definition: interpolation.hpp:60
virtual ~Interpolation2D()
Virtual destructor.
Definition: interpolation.hpp:79


Reference manual for Ion Beam Simulator 1.0.6dev
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