GitLab

constants.
(math-and-bignum,math-or-bignum,math-xor-bignum,math-diff-bignum)
(math-not-bignum,math-clip-bignum): Use the constants
math-bignum-digit-power-of-two and math-bignum-logb-digit-size instead
of their values.
(math-clip): Use math-small-integer-size instead of its value.