1 | // RUN: %libomp-compile |
---|---|
2 | // RUN: env KMP_AFFINITY=disabled %libomp-run |
3 | // RUN: env KMP_AFFINITY=disabled,reset %libomp-run |
4 | // REQUIRES: affinity |
5 | #include <stdio.h> |
6 | #include <stdlib.h> |
7 | #include <omp.h> |
8 | |
9 | int main() { |
10 | int nthreads, correct_value;; |
11 | int a = 0; |
12 | #pragma omp parallel reduction(+: a) |
13 | { |
14 | a += omp_get_thread_num(); |
15 | #pragma omp single |
16 | nthreads = omp_get_num_threads(); |
17 | } |
18 | correct_value = nthreads * (nthreads - 1) / 2; |
19 | if (a != correct_value) { |
20 | printf(format: "Incorrect value: %d should be %d\n", a, correct_value); |
21 | return EXIT_FAILURE; |
22 | } |
23 | return EXIT_SUCCESS; |
24 | } |
25 | |
26 |