def ld_fin
import bend-collections-laws-crypto@1.0.0.0/src/math/f64.bend as F64import Base
867def ld_fin(+x: F64, +neg: Bool, +k: Nat) -> F64:
868 match neg:
869 case True{}:
870 ld_neg(x, k, Nat.is_lt(dexp(x), Nat.add(k, 63n)))
871 case False{}:
872 round_w(signbit(x), Nat.add(dexp(x), k), dmant(x))