From 532a90d573f464e4c99a17ea58b550d6ae3ce9af Mon Sep 17 00:00:00 2001
From: Yuxuan Shui <yshuiv7@gmail.com>
Date: Sat, 30 Mar 2019 09:07:12 +0000
Subject: [PATCH] Use __builtin_isnan

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
---
 src/utils.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils.h b/src/utils.h
index 45f3911..939872c 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -27,7 +27,7 @@ __attribute__((optimize("-fno-fast-math")))
 #endif
 static inline bool
 safe_isnan(double a) {
-	return isnan(a);
+	return __builtin_isnan(a);
 }
 
 #define CASESTRRET(s)                                                                    \