43 lines
812 B
C
43 lines
812 B
C
// RUN: %libomp-compile-and-run
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// UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7, gcc-8
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#include <stdio.h>
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#include <stdlib.h>
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int a = 0, b = 1;
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int main(int argc, char **argv) {
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#pragma omp parallel
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#pragma omp single
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{
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#pragma omp taskgroup task_reduction(+: a) task_reduction(*: b)
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{
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int i;
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for (i = 1; i <= 5; ++i) {
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#pragma omp task in_reduction(+: a) in_reduction(*: b)
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{
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a += i;
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b *= i;
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#pragma omp task in_reduction(+: a)
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{
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a += i;
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}
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}
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}
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}
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}
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if (a != 30) {
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fprintf(stderr, "error: a != 30. Instead a = %d\n", a);
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exit(EXIT_FAILURE);
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}
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if (b != 120) {
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fprintf(stderr, "error: b != 120. Instead b = %d\n", b);
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exit(EXIT_FAILURE);
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}
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return EXIT_SUCCESS;
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}
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