return (new BigDecimal(guid).divide(new BigDecimal(MODULUS), 6 , BigDecimal.ROUND_UP)).doubleValue ();
double dec = (new BigDecimal(guid). divide(new BigDecimal(MODULUS), 6 , BigDecimal.ROUND_UP)).doubleValue (); return dec;
    private final double decimal (BigInteger guid) {      return (new BigDecimal(guid).divide(new BigDecimal(MODULUS),                                          6 /* scale */,                                          BigDecimal.ROUND_UP)).doubleValue ();    }