Function safe_arch::div_m256d

#[must_use]pub fn div_m256d(a: m256d, b: m256d) -> m256d

This is supported with target feature avx only.

Lanewise a / b with f64.

let a = m256d::from([4.0, 5.0, 6.0, 7.0]);
let b = m256d::from([2.0, 2.0, 3.0, 7.0]);
let c = div_m256d(a, b).to_array();
assert_eq!(c, [2.0, 2.5, 2.0, 1.0]);