Function safe_arch::cmp_unord_mask_m128d_s

pub fn cmp_unord_mask_m128d_s(a: m128d, b: m128d) -> m128d

Low lane a.is_nan() | b.is_nan(), other lane unchanged.

Mask output.

let a = m128d::from_array([f64::NAN, 5.0]);
let b = m128d::from_array([1.0, 1.0]);
let c = cmp_unord_mask_m128d_s(a, b).to_bits();
assert_eq!(c, [u64::MAX, 5_f64.to_bits()]);