From 93a18a15e4428d4fe3f239081e0218ac0c69f458 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Fri, 30 Mar 2012 23:33:00 -0400 Subject: [PATCH] make math.h more c++-friendly --- include/math.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/include/math.h b/include/math.h index e7220aeb..8791bba8 100644 --- a/include/math.h +++ b/include/math.h @@ -41,8 +41,11 @@ int __fpclassify(double); int __fpclassifyf(float); int __fpclassifyl(long double); -#define __FLOAT_BITS(f) (((union { float __f; __uint32_t __i; }){ (float)(f) }).__i) -#define __DOUBLE_BITS(f) (((union { double __f; __uint64_t __i; }){ (double)(f) }).__i) +union __float_repr { float __f; __uint32_t __i; }; +union __double_repr { double __f; __uint64_t __i; }; + +#define __FLOAT_BITS(f) (((union __float_repr){ (float)(f) }).__i) +#define __DOUBLE_BITS(f) (((union __double_repr){ (double)(f) }).__i) #define fpclassify(x) ( \ sizeof(x) == sizeof(float) ? __fpclassifyf(x) : \