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
10int a = 0, b = 1;
11
12int main(int argc, char **argv) {
13
14 #pragma omp parallel
15 {
16 int i;
17 #pragma omp for reduction(task, +: a) reduction(task, *: b)
18 for (i = 1; i <= 5; ++i) {
19 #pragma omp task in_reduction(+: a) in_reduction(*: b)
20 {
21 a += i;
22 b *= i;
23 }
24 }
25 }
26
27 if (a != 15) {
28 fprintf(stderr, format: "error: a != 15. Instead a = %d\n", a);
29 exit(EXIT_FAILURE);
30 }
31 if (b != 120) {
32 fprintf(stderr, format: "error: b != 120. Instead b = %d\n", b);
33 exit(EXIT_FAILURE);
34 }
35
36 return EXIT_SUCCESS;
37}
38

source code of openmp/runtime/test/tasking/task_reduction2.c