API Reference# xspline.bspl cache_bspl() bspl_val() bspl_der() bspl_int() clear_bspl_cache() Bspl get_bspl_funs() xspline.indi indi_val() indi_der() indi_int() Indi xspline.poly poly_val() poly_der() poly_int() Poly get_poly_params() get_poly_fun() xspline.xfunction XFunction BundleXFunction BasisXFunction xspline.xspl XSpline