- p += control_[j][a]
- * Polynomial::power (j , Polynomial (0,1))*
- Polynomial::power (3 - j, Polynomial (1,-1))*
- binomial_coefficient(3, j);
+ p
+ += (control_[j][a] * binomial_coefficient (3, j))
+ * Polynomial::power (j, Polynomial (0, 1))
+ * Polynomial::power (3 - j, Polynomial (1, -1));