| 962 | |
| 963 | /** \internal \returns the arc cosine of \a a (coeff-wise) */ |
| 964 | template<typename Packet> EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS |
| 965 | Packet pacos(const Packet& a) { EIGEN_USING_STD(acos); return acos(a); } |
| 966 | |
| 967 | |
| 968 | /** \internal \returns the hyperbolic sine of \a a (coeff-wise) */ |