From 83a5e2bb5c1b9f24b70dc30c50b5deb4d7232119 Mon Sep 17 00:00:00 2001
From: S-H-GAMELINKS <gamelinks007@gmail.com>
Date: Sat, 11 Sep 2021 09:56:59 +0900
Subject: Using RB_FLOAT_TYPE_P macro

---
 math.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'math.c')

diff --git a/math.c b/math.c
index dd45caf6b7..cce29b526b 100644
--- a/math.c
+++ b/math.c
@@ -623,7 +623,7 @@ f_negative_p(VALUE x)
 inline static VALUE
 f_signbit(VALUE x)
 {
-    if (RB_TYPE_P(x, T_FLOAT)) {
+    if (RB_FLOAT_TYPE_P(x)) {
         double f = RFLOAT_VALUE(x);
         return RBOOL(!isnan(f) && signbit(f));
     }
-- 
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