-#include <stdint.h>
#include <math.h>
+#include <stdint.h>
-int __fpclassifyf(float __x)
+int __fpclassifyf(float x)
{
- union {
- float __f;
- __uint32_t __i;
- } __y = { __x };
- int __ee = __y.__i>>23 & 0xff;
- if (!__ee) return __y.__i<<1 ? FP_SUBNORMAL : FP_ZERO;
- if (__ee==0xff) return __y.__i<<9 ? FP_NAN : FP_INFINITE;
+ union {float f; uint32_t i;} u = {x};
+ int e = u.i>>23 & 0xff;
+ if (!e) return u.i<<1 ? FP_SUBNORMAL : FP_ZERO;
+ if (e==0xff) return u.i<<9 ? FP_NAN : FP_INFINITE;
return FP_NORMAL;
}