diff options
Diffstat (limited to 'libgomp/testsuite/libgomp.c/reduction-1.c')
-rw-r--r-- | libgomp/testsuite/libgomp.c/reduction-1.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/reduction-1.c b/libgomp/testsuite/libgomp.c/reduction-1.c new file mode 100644 index 000000000..665163af0 --- /dev/null +++ b/libgomp/testsuite/libgomp.c/reduction-1.c @@ -0,0 +1,36 @@ +#include <omp.h> +#include <stdlib.h> + +int +main (void) +{ + int i = 0, j = 0, k = ~0; + double d = 1.0; +#pragma omp parallel num_threads(4) reduction(+:i) reduction(*:d) reduction(&:k) + { + if (i != 0 || d != 1.0 || k != ~0) +#pragma omp atomic + j |= 1; + + if (omp_get_num_threads () != 4) +#pragma omp atomic + j |= 2; + + i = omp_get_thread_num (); + d = i + 1; + k = ~(1 << (2 * i)); + } + + if (j & 1) + abort (); + if ((j & 2) == 0) + { + if (i != (0 + 1 + 2 + 3)) + abort (); + if (d != (1.0 * 2.0 * 3.0 * 4.0)) + abort (); + if (k != (~0 ^ 0x55)) + abort (); + } + return 0; +} |