1 | // RUN: %libomp-compile-and-run |
2 | |
3 | // XFAIL: icc |
4 | // UNSUPPORTED: clang-4, clang-5, clang-6, clang-7, clang-8, clang-9, clang-10 |
5 | // UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7, gcc-8 |
6 | |
7 | #include <stdio.h> |
8 | #include <stdlib.h> |
9 | |
10 | int a = 0, b = 1; |
11 | |
12 | int main(int argc, char **argv) { |
13 | |
14 | #pragma omp parallel reduction(task, +:a) reduction(task, *:b) |
15 | { |
16 | #pragma omp single |
17 | { |
18 | int i; |
19 | for (i = 1; i <= 5; ++i) { |
20 | #pragma omp task in_reduction(+: a) in_reduction(*: b) |
21 | { |
22 | a += i; |
23 | b *= i; |
24 | } |
25 | } |
26 | } |
27 | } |
28 | |
29 | if (a != 15) { |
30 | fprintf(stderr, format: "error: a != 15. Instead a = %d\n" , a); |
31 | exit(EXIT_FAILURE); |
32 | } |
33 | if (b != 120) { |
34 | fprintf(stderr, format: "error: b != 120. Instead b = %d\n" , b); |
35 | exit(EXIT_FAILURE); |
36 | } |
37 | |
38 | return EXIT_SUCCESS; |
39 | } |
40 | |