29 #ifndef HPP_CORE_PATH_MATH_HH
30 #define HPP_CORE_PATH_MATH_HH
33 #include <pinocchio/serialization/eigen.hpp>
46 for (
size_type i = 1; i < N; ++i) ret(i) = ret(i - 1) * i;
53 assert(n >= k && k >= 0);
55 size_type denom = factors(k) * factors(n - k);
56 return factors(n) / denom;
63 #endif // HPP_CORE_PATH_MATH_HH