def Int.saturating_mul
import bend-kit-int@0.2.0.0/int.bend as Intimport Base
247def Int.saturating_mul(+n: Nat, +s: Bool, +a: Word(n), +b: Word(n)) ->
248 Word(n):
249 Int.saturate(n, s, Bool.and(s, Bool.xor(Int.msb(n, a), Int.msb(n, b))),
250 Int.mul_ov(n, s, a, b))