def round.zero
import bend-kit-f64@0.1.0.0/f64.bend as F64import Base
504def round.zero(zh: Bool, zl: Bool, sign: U32, exp: U32, +sh: U32, sl: U32) -> F64:
505 match zh:
506 case False{}:
507 round.sub(U32.is_lt(sh, 1048576), sign, (exp - 4096 : U32), sh, sl)
508 case True{}:
509 round.zero.lo(zl, sign, exp, sh, sl)