constexpr_iterated_squares_desc_size_v
Declared in <folly/ConstexprMath.h>
template<typename Base>
inline constexpr size_t constexpr_iterated_squares_desc_size_v = detail::constexpr_iterated_squares_desc_size_(Base::value);
Effectively calculates: floor(log(max_exponent)/log(base))
For use with constexpr_iterated_squares_desc below.