[][src]Function safe_arch::convert_to_m128d_from_lower2_m128

#[must_use]pub fn convert_to_m128d_from_lower2_m128(a: m128) -> m128d
This is supported with target feature sse2 only.

Rounds the two f64 lanes to the low two f32 lanes.

let a = m128::from_array([1.0, 2.5, 3.6, 4.7]);
let b = convert_to_m128d_from_lower2_m128(a);
assert_eq!(b.to_bits(), [1_f64.to_bits(), 2.5_f64.to_bits()]);