From 21ce34bd7fa69dfc263b2825653d10e2cbc68853 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sun, 5 May 2019 00:26:17 +0200
Subject: libc: fix NaN check precedence bug in modf() (thanks BurnZeZ)

---
 sys/src/libc/port/frexp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/src/libc/port/frexp.c b/sys/src/libc/port/frexp.c
index e2f4fb072..51ba57e5a 100644
--- a/sys/src/libc/port/frexp.c
+++ b/sys/src/libc/port/frexp.c
@@ -93,7 +93,7 @@ modf(double d, double *ip)
 	e = (x.hi >> SHIFT) & MASK;
 	if(e == MASK){
 		*ip = d;
-		if(x.lo != 0 || (x.hi & 0xfffffL != 0))	/* NaN */
+		if(x.lo != 0 || (x.hi & 0xfffffL) != 0)	/* NaN */
 			return d;
 		/* ±Inf */
 		x.hi &= 0x80000000L;
-- 
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