76 #define JPC_FLOORDIV(x, y)      ((x) / (y))    79 #define JPC_CEILDIV(x, y)       (((x) + (y) - 1) / (y))    82 #define JPC_FLOORDIVPOW2(x, y)  ((x) >> (y))    85 #define JPC_CEILDIVPOW2(x, y)   (((x) + (1 << (y)) - 1) >> (y))    93 int jpc_firstone(
int x);
    97 int jpc_floorlog2(
int x);