log2

MISSING

template <typename F, typename return_t, detail::enable_if_t<(detail::builtin::is_genfloat<F>::value), int> >
return_t log2(F x)

template <typename F, typename return_t, detail::enable_if_t<(detail::builtin::is_genfloatf<F>::value), int> >
return_t log2(const F x)

1. Compute a base 2 logarithm.
   Parameters:
   • F x
2. Compute a base 2 logarithm.
   Parameters:
   • const F x