[][src]Function safe_arch::convert_to_f64_from_m256d_s

#[must_use]pub fn convert_to_f64_from_m256d_s(a: m256d) -> f64
This is supported with target feature avx only.

Convert the lowest f64 lane to a single f64.

let a = m256d::from([4.0, 5.0, 6.0, 7.0]);
let b = convert_to_f64_from_m256d_s(a);
assert_eq!(b, 4.0);