eval: ensure that dividing Infinity by Infinity yields NaN

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/eval.c b/eval.c
index 6d6f8c3..4bcc2b2 100644
--- a/eval.c
+++ b/eval.c
@@ -1088,7 +1088,7 @@ ut_execute_arith(struct ut_state *state, uint32_t off)
 			else if (isnan(d2))
 				return ut_new_double(NAN);
 			else if (!isfinite(d2))
-				return ut_new_double(0.0);
+				return ut_new_double(isfinite(d1) ? 0.0 : NAN);
 
 			return ut_new_double(d1 / d2);