Linear interpolation (GSL) More...
#include <interp.h>
Public Member Functions | |
virtual void | set (size_t size, const vec_t &x, const vec2_t &y) |
Initialize interpolation routine. | |
virtual double | eval (double x0) const |
Give the value of the function ![]() | |
virtual double | deriv (double x0) const |
Give the value of the derivative ![]() | |
virtual double | deriv2 (double x0) const |
Give the value of the second derivative ![]() | |
virtual double | integ (double a, double b) const |
Give the value of the integral ![]() | |
virtual const char * | type () const |
Return the type, "interp_linear" . | |
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virtual double | operator() (double x0) const |
Give the value of the function ![]() | |
Private Member Functions | |
interp_linear (const interp_linear< vec_t, vec2_t > &) | |
interp_linear< vec_t, vec2_t > & | operator= (const interp_linear< vec_t, vec2_t > &) |
Additional Inherited Members | |
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size_t | min_size |
The minimum size of the vectors to interpolate between. More... | |
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double | integ_eval (double ai, double bi, double ci, double di, double xi, double a, double b) const |
An internal function to assist in computing the integral for both the cspline and Akima types. | |
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search_vec< const vec_t > | svx |
To perform binary searches. More... | |
const vec_t * | px |
Independent vector. | |
const vec2_t * | py |
Dependent vector. | |
size_t | sz |
Vector size. | |
See also the Interpolation section of the O2scl User's guide.
Linear interpolation requires no calls to allocate() or free() as there is no internal storage required.
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