def sqrt_cls
import bend-collections-laws-crypto@1.0.0.0/spec/math/f64.bend as F64import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/f64.bend as F
241def sqrt_cls(+x: F.F64) -> F.F64:
242 pick(F.F64, is_zero(x), x, pick(F.F64, sign(x), qnan(), pick(F.F64, is_inf(x), x, sqrt_fin(x))))