72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
// RUN: %libomp-compile-and-run
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// XFAIL: icc
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// UNSUPPORTED: clang-4, clang-5, clang-6, clang-7, clang-8, clang-9, clang-10
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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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{
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#pragma omp sections reduction(task, +: a) reduction(task, *: b)
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{
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#pragma omp section
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{
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#pragma omp task in_reduction(+: a) in_reduction(*: b)
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{
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a += 1;
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b *= 1;
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}
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}
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#pragma omp section
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{
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#pragma omp task in_reduction(+: a) in_reduction(*: b)
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{
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a += 2;
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b *= 2;
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}
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}
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#pragma omp section
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{
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#pragma omp task in_reduction(+: a) in_reduction(*: b)
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{
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a += 3;
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b *= 3;
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}
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}
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#pragma omp section
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{
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#pragma omp task in_reduction(+: a) in_reduction(*: b)
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{
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a += 4;
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b *= 4;
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}
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}
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#pragma omp section
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{
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#pragma omp task in_reduction(+: a) in_reduction(*: b)
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{
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a += 5;
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b *= 5;
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}
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}
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}
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}
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if (a != 15) {
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fprintf(stderr, "error: a != 15. 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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