USPCN (B-spline coefficients for equidistant data points)
USPF (spline function evaluation)
BSPLNK (general B-spline values)
BSKFIT (least squares fit of B-spline to data points)
BSKFUN (general B-spline function evaluation)
ORTHFT (construction of orthogonal polynomials)
ORTHFE (orthogonal polynomial evaluation)
Disclaimer: This software is provided without any expressed
or implied warranty. In particular there is no warranty of any kind
concerning the fitness of this software for any particular purpose.