Mercurial > hg > CbC > CbC_gcc
diff libgomp/testsuite/libgomp.c/reduction-3.c @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libgomp/testsuite/libgomp.c/reduction-3.c Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,51 @@ +#include <omp.h> +#include <stdlib.h> + +int +main (void) +{ + int i = 0, j = 0, k = ~0, l; + double d = 1.0; +#pragma omp parallel num_threads(4) + { +#pragma omp single + { + i = 16; + k ^= (1 << 16); + d += 32.0; + } + +#pragma omp for reduction(+:i) reduction(*:d) reduction(&:k) nowait + for (l = 0; l < 4; l++) + { + if (omp_get_num_threads () == 4 && (i != 0 || d != 1.0 || k != ~0)) +#pragma omp atomic + j |= 1; + + if (l == omp_get_thread_num ()) + { + i = omp_get_thread_num (); + d = i + 1; + k = ~(1 << (2 * i)); + } + } + + if (omp_get_num_threads () == 4) + { +#pragma omp barrier + if (i != (16 + 0 + 1 + 2 + 3)) +#pragma omp atomic + j |= 2; + if (d != (33.0 * 1.0 * 2.0 * 3.0 * 4.0)) +#pragma omp atomic + j |= 4; + if (k != (~0 ^ 0x55 ^ (1 << 16))) +#pragma omp atomic + j |= 8; + } + } + + if (j) + abort (); + return 0; +}