diff options
Diffstat (limited to 'test/builtins/Unit/subtf3_test.c')
| -rw-r--r-- | test/builtins/Unit/subtf3_test.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/builtins/Unit/subtf3_test.c b/test/builtins/Unit/subtf3_test.c index bcf82e0c6..4953d1ceb 100644 --- a/test/builtins/Unit/subtf3_test.c +++ b/test/builtins/Unit/subtf3_test.c @@ -11,6 +11,7 @@ // //===----------------------------------------------------------------------===// +#include <fenv.h> #include <stdio.h> #if __LDBL_MANT_DIG__ == 113 @@ -67,6 +68,35 @@ int main() UINT64_C(0xa44a7bca780a166c))) return 1; +#if (defined(__arm__) || defined(__aarch64__)) && defined(__ARM_FP) + // Rounding mode tests on supported architectures + const long double m = 1234.02L, n = 0.01L; + + fesetround(FE_UPWARD); + if (test__subtf3(m, n, + UINT64_C(0x40093480a3d70a3d), + UINT64_C(0x70a3d70a3d70a3d7))) + return 1; + + fesetround(FE_DOWNWARD); + if (test__subtf3(m, n, + UINT64_C(0x40093480a3d70a3d), + UINT64_C(0x70a3d70a3d70a3d6))) + return 1; + + fesetround(FE_TOWARDZERO); + if (test__subtf3(m, n, + UINT64_C(0x40093480a3d70a3d), + UINT64_C(0x70a3d70a3d70a3d6))) + return 1; + + fesetround(FE_TONEAREST); + if (test__subtf3(m, n, + UINT64_C(0x40093480a3d70a3d), + UINT64_C(0x70a3d70a3d70a3d7))) + return 1; +#endif + #else printf("skipped\n"); |