127   int hx, hy, ix, iy;  in pow()  local
132   hy = __HI (y);  in pow()
135   iy = hy & 0x7fffffff;  in pow()
200         return (hy >= 0) ? y : zero;  in pow()
204         return (hy < 0) ? -y : zero;  in pow()
209       if (hy < 0)  in pow()
218     if (hy == 0x40000000) /* y is 2 */  in pow()
222     if (hy == 0x3fe00000) /* y is 0.5 */  in pow()
238       if (hy < 0)  in pow()
278         return (hy < 0) ? huge * huge : tiny * tiny;  in pow()
282         return (hy > 0) ? huge * huge : tiny * tiny;  in pow()
288       return (hy < 0) ? s * huge * huge : s * tiny * tiny;  in pow()
292       return (hy > 0) ? s * huge * huge : s * tiny * tiny;  in pow()