From: nsz <nsz@port70.net>
Date: Tue, 6 Mar 2012 18:17:42 +0000 (+0100)
Subject: add !! to signbit macro so the return type is not uint64_t
X-Git-Url: http://nsz.repo.hu/git/?p=libm;a=commitdiff_plain;h=21d0f5c85063b4e1f8168fc53fb4238d78375f08

add !! to signbit macro so the return type is not uint64_t
---

diff --git a/include/math.h b/include/math.h
index 19097a5..f320b8e 100644
--- a/include/math.h
+++ b/include/math.h
@@ -74,8 +74,8 @@ int __signbitf(float);
 int __signbitl(long double);
 
 #define signbit(x) ( \
-	sizeof(x) == sizeof(float) ? __FLOAT_BITS(x) & 0x80000000 : \
-	sizeof(x) == sizeof(double) ? __DOUBLE_BITS(x) & (__uint64_t)1<<63 : \
+	sizeof(x) == sizeof(float) ? !!(__FLOAT_BITS(x) & 0x80000000) : \
+	sizeof(x) == sizeof(double) ? !!(__DOUBLE_BITS(x) & (__uint64_t)1<<63) : \
 	__signbitl(x) )
 
 #define isunordered(x,y) (isnan((x)) ? ((void)(y),1) : isnan((y)))