33   uint32_t ix, iz, tmp;  in logf()  local
36   ix = asuint (x);  in logf()
39   if (unlikely (ix == 0x3f800000))  in logf()
42   if (unlikely (ix - 0x00800000 >= 0x7f800000 - 0x00800000))  in logf()
45       if (ix * 2 == 0)  in logf()
47       if (ix == 0x7f800000) /* log(inf) == inf.  */  in logf()
49       if ((ix & 0x80000000) || ix * 2 >= 0xff000000)  in logf()
52       ix = asuint (x * 0x1p23f);  in logf()
53       ix -= 23 << 23;  in logf()
59   tmp = ix - OFF;  in logf()
62   iz = ix - (tmp & 0xff800000);  in logf()