[−][src]Function safe_arch::convert_to_m128_from_m256d

#[must_use]pub fn convert_to_m128_from_m256d(a: m256d) -> m128
This is supported with target feature avx only.

Convert f64 lanes to be f32 lanes.

let a = m256d::from([4.0, 5.0, 6.0, 7.0]);
let b = convert_to_m128_from_m256d(a).to_array();
assert_eq!(b, [4.0, 5.0, 6.0, 7.0]);