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-rw-r--r--math/libm-test.inc6
1 files changed, 6 insertions, 0 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 5f4dbe7..bed59e8 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -2883,11 +2883,17 @@ fmod_test (void)
TEST_ff_f (fmod, minus_zero, 3, minus_zero);
/* fmod (+inf, y) == NaN plus invalid exception. */
+ errno = 0;
TEST_ff_f (fmod, plus_infty, 3, nan_value, INVALID_EXCEPTION);
+ check_int ("errno for fmod(Inf,3) unchanged", errno, EDOM, 0, 0, 0);
/* fmod (-inf, y) == NaN plus invalid exception. */
+ errno = 0;
TEST_ff_f (fmod, minus_infty, 3, nan_value, INVALID_EXCEPTION);
+ check_int ("errno for fmod(-Inf,3) unchanged", errno, EDOM, 0, 0, 0);
/* fmod (x, +0) == NaN plus invalid exception. */
+ errno = 0;
TEST_ff_f (fmod, 3, 0, nan_value, INVALID_EXCEPTION);
+ check_int ("errno for fmod(3,0) unchanged", errno, EDOM, 0, 0, 0);
/* fmod (x, -0) == NaN plus invalid exception. */
TEST_ff_f (fmod, 3, minus_zero, nan_value, INVALID_EXCEPTION);