Function safe_arch::sqrt_m128d

#[must_use]pub fn sqrt_m128d(a: m128d) -> m128d

This is supported with target feature sse2 only.

Lanewise sqrt(a).

let a = m128d::from_array([25.0, 16.0]);
let b = sqrt_m128d(a).to_array();
assert_eq!(b, [5.0, 4.0]);