def ri_cls
import bend-collections-laws-math@1.0.0.0/src/math/f64.bend as F64import Base
720def ri_cls(m: RMode, +x: F64, top: Bool) -> F64:
721 match top:
722 case True{}:
723 nan_or(x, nz(frac(x)))
724 case False{}:
725 ri_fin(m, x, Nat.is_le(3000n, dexp(x)))