The functions described in the Interp module required the user to supply pointers to the x and y arrays
on each call. The following functions are equivalent to the corresponding gsl_interp functions but
maintain a copy of this data in the gsl_spline object. This removes the need to pass both xa and ya as
arguments on each evaluation.
• "gsl_spline_alloc($T, $size)"
• "gsl_spline_init($spline, $xa, $ya, $size)"
• gsl_spline_free($spline)
• gsl_spline_name($spline)
• gsl_spline_min_size($spline)
• "gsl_spline_eval_e($spline, $x, $acc)"
• "gsl_spline_eval($spline, $x, $acc)"
• "gsl_spline_eval_deriv_e($spline, $x, $acc)"
• "gsl_spline_eval_deriv($spline, $x, $acc)"
• "gsl_spline_eval_deriv2_e($spline, $x, $acc)"
• "gsl_spline_eval_deriv2($spline, $x, $acc)"
• "gsl_spline_eval_integ_e($spline, $a, $b, $acc)"
• "gsl_spline_eval_integ($spline, $a, $b, $acc)"
For more information on the functions, we refer you to the GSL official documentation:
<http://www.gnu.org/software/gsl/manual/html_node/>