1/*
2 * https://www.codeproject.com/Articles/874396/Crunching-Numbers-with-AVX-and-AVX
3 * 2016, Matt Scarpino, released under the Code Project Open License
4 * https://www.codeproject.com/info/cpol10.aspx
5 */
6
7#include <immintrin.h>
8#include <stdio.h>
9
10int main() {
11
12  /* Initialize the two argument vectors */
13  __m256 evens = _mm256_set_ps(2.0, 4.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0);
14  __m256 odds = _mm256_set_ps(1.0, 3.0, 5.0, 7.0, 9.0, 11.0, 13.0, 15.0);
15
16  /* Compute the difference between the two vectors */
17  __m256 result = _mm256_sub_ps(evens, odds);
18
19  /* Display the elements of the result vector */
20  float* f = (float*)&result;
21  printf("%f %f %f %f %f %f %f %f\n",
22    f[0], f[1], f[2], f[3], f[4], f[5], f[6], f[7]);
23
24  return 0;
25}
26