A transformer for generating singular or pairwise tensor product Bernstein polynomial features.

[alexshtf]

Can be used for polynomial regression using the more favorable Bernstein basis. See also:

1. https://alexshtf.github.io/2024/01/21/Bernstein.html
2. https://stats.stackexchange.com/questions/560383/how-can-we-explain-the-bad-reputation-of-higher-order-polynomials