This reverts commit 0844282335.
0844282335
* vectorize Cox - de Boor recursion Co-authored-by: Filippo Olivo <folivo@filippoolivo.com> Co-authored-by: ajacoby9 <a99jacoby@gmail.com> * fix logic and extend tests * add b-spline surface --------- Co-authored-by: Filippo Olivo <folivo@filippoolivo.com> Co-authored-by: GiovanniCanali <giovanni.canali98@yahoo.it>