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-rw-r--r--tests/tadd_ui.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/tadd_ui.c b/tests/tadd_ui.c
index 422629fee..796a31499 100644
--- a/tests/tadd_ui.c
+++ b/tests/tadd_ui.c
@@ -69,7 +69,9 @@ check_nans (void)
/* nan + 2394875 == nan */
mpfr_set_nan (x);
+ mpfr_clear_nanflag ();
mpfr_add_ui (y, x, 2394875L, MPFR_RNDN);
+ MPFR_ASSERTN (mpfr_nanflag_p ());
MPFR_ASSERTN (mpfr_nan_p (y));
/* +inf + 2394875 == +inf */