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// RUN: %libomp-compile-and-run
// XFAIL: icc
// UNSUPPORTED: clang-4, clang-5, clang-6, clang-7, clang-8, clang-9, clang-10
// UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7, gcc-8
#include <stdio.h>
#include <stdlib.h>
int a = 0, b = 1;
int main(int argc, char **argv) {
#pragma omp parallel
{
#pragma omp sections reduction(task, +: a) reduction(task, *: b)
{
#pragma omp section
{
#pragma omp task in_reduction(+: a) in_reduction(*: b)
{
a += 1;
b *= 1;
}
}
#pragma omp section
{
#pragma omp task in_reduction(+: a) in_reduction(*: b)
{
a += 2;
b *= 2;
}
}
#pragma omp section
{
#pragma omp task in_reduction(+: a) in_reduction(*: b)
{
a += 3;
b *= 3;
}
}
#pragma omp section
{
#pragma omp task in_reduction(+: a) in_reduction(*: b)
{
a += 4;
b *= 4;
}
}
#pragma omp section
{
#pragma omp task in_reduction(+: a) in_reduction(*: b)
{
a += 5;
b *= 5;
}
}
}
}
if (a != 15) {
fprintf(stderr, "error: a != 15. Instead a = %d\n", a);
exit(EXIT_FAILURE);
}
if (b != 120) {
fprintf(stderr, "error: b != 120. Instead b = %d\n", b);
exit(EXIT_FAILURE);
}
return EXIT_SUCCESS;
}
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