Steffen's monotonicity-preserving interpolation. More...
#include <interp.h>
Adapted from the GSL version by J.-F. Caron which was based on Steffen90 .
Public Types | |
typedef boost::numeric::ublas::vector< double > | ubvector |
typedef boost::numeric::ublas::vector_slice< ubvector > | ubvector_slice |
typedef boost::numeric::ublas::vector_range< ubvector > | ubvector_range |
typedef boost::numeric::ublas::slice | slice |
typedef boost::numeric::ublas::range | range |
Storage for cubic spline interpolation | |
ubvector | a |
ubvector | b |
ubvector | c |
ubvector | d |
ubvector | y_prime |
double | copysign (const double x, const double y) |
Flip the sign of x if x and y have different signs. | |
interp_steffen () | |
Create a base interpolation object. | |
virtual | ~interp_steffen () |
virtual void | set (size_t size, const vec_t &xa, const vec2_t &ya) |
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 al, double bl) const |
Give the value of the integral ![]() | |
virtual const char * | type () const |
Return the type, "interp_steffen" . | |
interp_steffen (const interp_steffen< vec_t, vec2_t > &) | |
interp_steffen< vec_t, vec2_t > & | operator= (const interp_steffen< vec_t, vec2_t > &) |
Additional Inherited Members | |
![]() | |
virtual void | set (size_t size, const vec_t &x, const vec_t &y)=0 |
Initialize interpolation routine. | |
virtual double | operator() (double x0) const |
Give the value of the function ![]() | |
virtual const char * | type () const=0 |
Return the type. | |
![]() | |
size_t | min_size |
The minimum size of the vectors to interpolate between. More... | |
![]() | |
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. | |
![]() | |
search_vec< const vec_t > | svx |
To perform binary searches. More... | |
const vec_t * | px |
Independent vector. | |
const vec_t * | py |
Dependent vector. | |
size_t | sz |
Vector size. | |
Documentation generated with Doxygen. Provided under the
GNU Free Documentation License (see License Information).