5 	union {float f; uint32_t i;} u = {x};  in modff()  local
7 	int e = (int)(u.i>>23 & 0xff) - 0x7f;  in modff()
12 		if (e == 0x80 && u.i<<9 != 0) { /* nan */  in modff()
15 		u.i &= 0x80000000;  in modff()
16 		return u.f;  in modff()
20 		u.i &= 0x80000000;  in modff()
21 		*iptr = u.f;  in modff()
26 	if ((u.i & mask) == 0) {  in modff()
28 		u.i &= 0x80000000;  in modff()
29 		return u.f;  in modff()
31 	u.i &= ~mask;  in modff()
32 	*iptr = u.f;  in modff()
33 	return x - u.f;  in modff()