Searched refs:fast_log2 (Results 1 – 2 of 2) sorted by relevance
210 inline float fast_log2 (float val) in fast_log2() function
110 return static_cast<std::size_t>(detail::fast_log2(float(n))*inv_minus_logalpha_); in operator ()()150 inv_minus_logalpha_ = 1/(-detail::fast_log2(alpha)); in set_alpha()