diff options
| -rw-r--r-- | include/math.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/include/math.h b/include/math.h index c4da4116..01428152 100644 --- a/include/math.h +++ b/include/math.h @@ -43,11 +43,16 @@ int __fpclassify(double); int __fpclassifyf(float); int __fpclassifyl(long double); -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) +static __inline __uint32_t __FLOAT_BITS(float __f) +{ + union {float __f; __uint32_t __i;} __u = {__f}; + return __u.__i; +} +static __inline __uint64_t __DOUBLE_BITS(double __f) +{ + union {double __f; __uint64_t __i;} __u = {__f}; + return __u.__i; +} #define fpclassify(x) ( \ sizeof(x) == sizeof(float) ? __fpclassifyf(x) : \ |