pub unsafe fn _mm256_hadd_pd(a: __m256d, b: __m256d) -> __m256dAvailable on x86 only.
Expand description
Horizontal addition of adjacent pairs in the two packed vectors
of 4 64-bit floating points a and b.
In the result, sums of elements from a are returned in even locations,
while sums of elements from b are returned in odd locations.