From 53ac7bd89ce9da5dab8ca65ad31ced3fe92c3aa5 Mon Sep 17 00:00:00 2001
From: brian d foy <briandfoy@pobox.com>
Date: Fri, 23 Jun 2023 05:54:21 -0400
Subject: [PATCH] nan might have a minus sign

---
 t/bc/input.t | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/bc/input.t b/t/bc/input.t
index 461a80de..4201b874 100644
--- a/t/bc/input.t
+++ b/t/bc/input.t
@@ -157,7 +157,7 @@ sub operator_table {
         ],
         [
         	"x = -1\ny = 0.5\nx ^= y",
-        	qr/\A-1\n0.5\nNaN$/i, # NaN might be nan
+        	qr/\A-1\n0.5\n-?NaN$/i, # NaN might be -nan
         	'binary assignment (exponentiation - square root of -1)'
         ],
     ];