def pow2
import bend-collections-laws-math@1.0.0.0/src/math/f64.bend as F64import Base
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as W
627# 2^k for k <= 1023
628def pow2(+k: Nat) -> F64:
629 pack(False{}, Nat.add(1022n, k), W.U64{0, 1048576})