Package java.math

Examples of java.math.BigInteger.signum()

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                /* Do we yet have the shortest string that will round to d? */
                int j = b.compareTo(mlo);
                /* j is b/2^s2 compared with mlo/2^s2. */
                BigInteger delta = s.subtract(mhi);
                int j1 = (delta.signum() <= 0) ? 1 : b.compareTo(delta);
                /* j1 is b/2^s2 compared with 1 - mhi/2^s2. */
                if (j1 == 0 && ((word1 & 1) == 0)) {
                    if (j > 0)
                        digit++;
                    done = true;
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                /* Do we yet have the shortest string that will round to d? */
                int j = b.compareTo(mlo);
                /* j is b/2^s2 compared with mlo/2^s2. */
                BigInteger delta = s.subtract(mhi);
                int j1 = (delta.signum() <= 0) ? 1 : b.compareTo(delta);
                /* j1 is b/2^s2 compared with 1 - mhi/2^s2. */
                if (j1 == 0 && ((word1 & 1) == 0)) {
                    if (j > 0)
                        digit++;
                    done = true;
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    public BigIntegerToken getRandomToken()
    {
        String guid = GuidGenerator.guid();
        BigInteger token = FBUtilities.hash(guid);
        if ( token.signum() == -1 )
            token = token.multiply(BigInteger.valueOf(-1L));
        return new BigIntegerToken(token);
    }

    private final Token.TokenFactory<BigInteger> tokenFactory = new Token.TokenFactory<BigInteger>() {
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    harness.check(a.signum() == -1);
    harness.check(b.signum() == -1);
    harness.check(c.signum() == 0);
    harness.check(d.signum() == 1);
    harness.check(e.signum() == 1);

  }

}
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        if ( row == null )
        {
          /* Generate a token for this Storage node */                      
            String guid = GuidGenerator.guid();
            BigInteger token = StorageService.hash(guid);
            if ( token.signum() == -1 )
                token = token.multiply(BigInteger.valueOf(-1L));

            int generation = 1;

            String key = FBUtilities.getHostName();
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    public BigIntegerToken getRandomToken()
    {
        String guid = GuidGenerator.guid();
        BigInteger token = FBUtilities.hash(guid);
        if ( token.signum() == -1 )
            token = token.multiply(BigInteger.valueOf(-1L));
        return new BigIntegerToken(token);
    }

    private final Token.TokenFactory<BigInteger> tokenFactory = new Token.TokenFactory<BigInteger>() {
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            encoding = new byte[newLength];
            for (int i = old.length - 1; i >= 0; i--) {
                encoding[i + pad] = old[i];
            }
            //SECURITY-563: handle negative numbers
            if (n.signum() == -1) {
                for (int i = 0; i < newLength - length; i++) {
                    encoding[i] = (byte) -1;
                }
            }
        }
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        {
            StscState.get().error("Must be nonnegative integer", XmlErrorContext.MALFORMED_NUMBER, value);
            return null;
        }

        if (bigInt.signum() < 0)
        {
            StscState.get().error("Must be nonnegative integer", XmlErrorContext.MALFORMED_NUMBER, value);
            return null;
        }
        try
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                    && r.getUpper().compareTo(messageNumber) >= 0) {
                    done = true;
                    break;
                } else {
                    BigInteger diff = r.getLower().subtract(messageNumber);
                    if (diff.signum() == 1) {
                        if (diff.equals(BigInteger.ONE)) {
                            r.setLower(messageNumber);
                            done = true;
                        }
                        break;
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        result.setGregorianChange(PURE_GREGORIAN_CHANGE);

        // if year( and eon) are undefined, leave default Calendar values
        BigInteger year = getEonAndYear();
        if (year != null) {
            result.set(Calendar.ERA, year.signum() == -1 ? GregorianCalendar.BC : GregorianCalendar.AD);
            result.set(Calendar.YEAR, year.abs().intValue());
        }

        // only set month if it is set
        if (month != DatatypeConstants.FIELD_UNDEFINED) {
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