1#include <omp.h>
2#include <stdlib.h>
3
4int
5main (void)
6{
7  int i = -1, j = -1;
8
9  omp_set_nested (1);
10  omp_set_dynamic (0);
11#pragma omp parallel num_threads (4)
12  {
13#pragma omp single
14    {
15      i = omp_get_thread_num () + omp_get_num_threads () * 256;
16#pragma omp parallel num_threads (2)
17      {
18#pragma omp single
19        {
20          j = omp_get_thread_num () + omp_get_num_threads () * 256;
21        }
22      }
23    }
24  }
25  if (i < 4 * 256 || i >= 4 * 256 + 4)
26    abort ();
27  if (j < 2 * 256 || j >= 2 * 256 + 2)
28    abort ();
29  return 0;
30}
31