hx = (__HI(x)&0x7fffffff); lx = __LO(x);
u.d = x; hx = (__HI(u)&0x7fffffff); lx = __LO(u);
	int fd_isnan(double x)#else	int fd_isnan(x)	double x;#endif{	int hx,lx;	hx = (__HI(x)&0x7fffffff);	lx = __LO(x);	hx |= (unsigned)(lx|(-lx))>>31;		hx = 0x7ff00000 - hx;	return ((unsigned)(hx))>>31;}