Function CeilLog2

util/generic/bitops.h:327–329

* Return rounded up binary logarithm of `x`. */

 * Return rounded up binary logarithm of `x`.
 */
Y_FORCE_INLINE ui8 CeilLog2(ui64 x) {
    return static_cast<ui8>(MostSignificantBit(x - 1)) + 1;
}

Y_FORCE_INLINE ui8 ReverseBytes(ui8 t) {
    return t;