def METHOD_NAME(self, points):
    if self.order == 1:
        return eval_te_order_1(self.S_bar, self.X_bar, self.X_s, points)
    elif self.order == 2:
        return eval_te_order_2(self.S_bar, self.X_bar, self.X_s, self.X_ss, points)
    elif self.order == 3:
        return eval_te_order_3(
            self.S_bar, self.X_bar, self.X_s, self.X_ss, self.X_sss, points
        )