1/* { dg-do run } */
2
3#include <stdlib.h>
4
5const int MAX = 1800;
6
7void check (long long *a, long long *b, int N)
8{
9  int i;
10  for (i = 0; i < N; i++)
11    if (a[i] != b[i])
12      abort ();
13}
14
15void init (long long *a1, long long *a2, int N)
16{
17  long long s = -1;
18  int i;
19  for (i = 0; i < N; i++)
20    {
21      a1[i] = s;
22      a2[i] = i;
23      s = -s;
24    }
25}
26
27void vec_mult_ref (long long *p, long long *v1, long long *v2, int N)
28{
29  int i;
30  for (i = 0; i < N; i++)
31    p[i] = v1[i] * v2[i];
32}
33
34void vec_mult (long long *p, long long *v1, long long *v2, int N)
35{
36  int i;
37  #pragma omp target data map(to: v1[0:N], v2[:N]) map(from: p[0:N])
38    #pragma omp target
39      #pragma omp parallel for
40	for (i = 0; i < N; i++)
41	  p[i] = v1[i] * v2[i];
42}
43
44int main ()
45{
46  long long *p1 = (long long *) malloc (MAX * sizeof (long long));
47  long long *p2 = (long long *) malloc (MAX * sizeof (long long));
48  long long *v1 = (long long *) malloc (MAX * sizeof (long long));
49  long long *v2 = (long long *) malloc (MAX * sizeof (long long));
50
51  init (v1, v2, MAX);
52
53  vec_mult_ref (p1, v1, v2, MAX);
54  vec_mult (p2, v1, v2, MAX);
55
56  check (p1, p2, MAX);
57
58  free (p1);
59  free (p2);
60  free (v1);
61  free (v2);
62
63  return 0;
64}
65