RUBIN_REG_SIZE
for (i = 0; i < RUBIN_REG_SIZE; i++) {
for (rs->bit_number = 0; rs->bit_number++ < RUBIN_REG_SIZE;
#define UPPER_BIT_RUBIN (((long) 1)<<(RUBIN_REG_SIZE-1))
#define LOWER_BITS_RUBIN ((((long) 1)<<(RUBIN_REG_SIZE-1))-1)