5 	union {float f; uint32_t i;} u = {x};  in floorf()  local
6 	int e = (int)(u.i >> 23 & 0xff) - 0x7f;  in floorf()
13 		if ((u.i & m) == 0)  in floorf()
16 		if (u.i >> 31)  in floorf()
17 			u.i += m;  in floorf()
18 		u.i &= ~m;  in floorf()
21 		if (u.i >> 31 == 0)  in floorf()
22 			u.i = 0;  in floorf()
23 		else if (u.i << 1)  in floorf()
24 			u.f = -1.0;  in floorf()
26 	return u.f;  in floorf()