35 int luaO_int2fb (unsigned int x) {  in luaO_int2fb()  argument
37   while (x >= 16) {  in luaO_int2fb()
38     x = (x+1) >> 1;  in luaO_int2fb()
41   if (x < 8) return x;  in luaO_int2fb()
42   else return ((e+1) << 3) | (cast_int(x) - 8);  in luaO_int2fb()
47 int luaO_fb2int (int x) {  in luaO_fb2int()  argument
48   int e = (x >> 3) & 31;  in luaO_fb2int()
49   if (e == 0) return x;  in luaO_fb2int()
50   else return ((x & 7)+8) << (e - 1);  in luaO_fb2int()
54 int luaO_log2 (unsigned int x) {  in luaO_log2()  argument
66   while (x >= 256) { l += 8; x >>= 8; }  in luaO_log2()
67   return l + log_2[x];  in luaO_log2()