more sql changes

[factor.git] / libs / crypto / barrett.factor

USING: kernel math ;
IN: crypto

: barrett-mu ( n size -- mu )
    #! Calculates Barrett's reduction parameter mu
    #! size = word size in bits (8, 16, 32, 64, ...)
    over log2 1+ over / 2 * >r 2 swap ^ r> ^ swap / floor ;