
#define fpclassify(x)	(sizeof (x) == sizeof (float) ? __fpclassifyf (x) : __fpclassify (x) )
#define signbit(x)	(sizeof (x) == sizeof (float)? __signbitf (x): __signbit (x))

#define FP_ILOGB0	-2147483647
#define FP_ILOGBNAN	2147483647
