def round.zero.lo
import bend-kit-f64@0.1.0.0/f64.bend as F64import Base
497def round.zero.lo(zl: Bool, sign: U32, exp: U32, +sh: U32, sl: U32) -> F64:
498 match zl:
499 case True{}:
500 F64.zero.sign(sign)
501 case False{}:
502 round.sub(U32.is_lt(sh, 1048576), sign, (exp - 4096 : U32), sh, sl)