From 04be8e84db1cf4f8b2a7bc7679eda4336da75d43 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 27 Aug 2021 10:52:02 +0900
Subject: Use C99-defined macros to classify a floating-point number

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

(limited to 'random.c')

diff --git a/random.c b/random.c
index 5663f87be2..232fe3e6f5 100644
--- a/random.c
+++ b/random.c
@@ -1348,7 +1348,7 @@ static inline double
 float_value(VALUE v)
 {
     double x = RFLOAT_VALUE(v);
-    if (isinf(x) || isnan(x)) {
+    if (!isfinite(x)) {
 	domain_error();
     }
     return x;
-- 
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