#include <gsl_chebapp.h>
Definition at line 44 of file gsl_chebapp.h.
Public Member Functions | |
gsl_chebapp (const gsl_chebapp &gc) | |
Copy constructor. | |
gsl_chebapp & | operator= (const gsl_chebapp &gc) |
Copy constructor. | |
template<class param_t , class func_t > | |
int | init (func_t &func, size_t ord, double a1, double b1, param_t &vp) |
Initialize a Chebyshev approximation of the function func over the interval from a1 to b1 . | |
template<class vec_t > | |
int | init (double a1, double b1, size_t ord, vec_t &v) |
Create an approximation from a vector of coefficients. | |
template<class vec_t > | |
int | init_func_values (double a1, double b1, size_t ord, vec_t &fval) |
Create an approximation from a vector of function values. | |
double | eval (double x) const |
Evaluate the approximation. | |
double | eval_n (size_t n, double x) const |
Evaluate the approximation to a specified order. | |
int | eval_err (double x, double &result, double &abserr) |
Evaluate the approximation and give the uncertainty. | |
int | eval_n_err (size_t n, double x, double &result, double &abserr) |
Evaluate the approximation to a specified order and give the uncertainty. | |
double | get_coefficient (size_t ix) const |
Get a coefficient. | |
int | set_coefficient (size_t ix, double co) |
Set a coefficient. | |
int | get_endpoints (double &la, double &lb) |
Return the endpoints of the approximation. | |
template<class vec_t > | |
int | get_coefficients (size_t n, vec_t &v) const |
Get the coefficients. | |
template<class vec_t > | |
int | set_coefficients (size_t n, const vec_t &v) |
Set the coefficients. | |
int | deriv (gsl_chebapp &gc) const |
Make gc an approximation to the derivative. | |
int | integ (gsl_chebapp &gc) const |
Make gc an approximation to the integral. | |
Protected Attributes | |
uvector | c |
Coefficients. | |
size_t | order |
Order of the approximation. | |
double | a |
Lower end of the interval. | |
double | b |
Upper end of the interval. | |
size_t | order_sp |
Single precision order. | |
uvector | f |
Function evaluated at Chebyshev points. | |
bool | init_called |
True if init has been called. |
double get_coefficient | ( | size_t | ix | ) | const [inline] |
Legal values of the argument are 0 to order
(inclusive)
Definition at line 312 of file gsl_chebapp.h.
int init | ( | func_t & | func, | |
size_t | ord, | |||
double | a1, | |||
double | b1, | |||
param_t & | vp | |||
) | [inline] |
The interval must be specified so that , so a and b are swapped if this is not the case.
Definition at line 105 of file gsl_chebapp.h.
int set_coefficient | ( | size_t | ix, | |
double | co | |||
) | [inline] |
Legal values of the argument are 0 to order
(inclusive)
Definition at line 327 of file gsl_chebapp.h.
Documentation generated with Doxygen and provided under the GNU Free Documentation License. See License Information for details.
Project hosting provided by
,
O2scl Sourceforge Project Page