Package java.math

Examples of java.math.BigInteger.signum()

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        }
        if (otherValue.equals(BigInteger.ZERO)) {
            throw getRuntime().newZeroDivisionError();
        }
        BigInteger result = value.mod(otherValue.abs());
        if (otherValue.signum() == -1 && result.signum() != 0) {
            result = otherValue.add(result);
        }
        return bignorm(getRuntime(), result);

            }
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        }
    }
   
    private static final byte[] getBignumBytes(RubyBignum arg, int base, boolean sign, boolean upper) {
        BigInteger val = arg.getValue();
        if (sign || base == 10 || val.signum() >= 0) {
            return stringToBytes(val.toString(base),upper);
        }

        // negative values
        byte[] bytes = val.toByteArray();
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    public BigInteger floor() {
      BigInteger temp = sqrt(b.multiply(b).multiply(d));
      if (b.signum() == -1)
        temp = temp.add(BigInteger.ONE).negate();
      temp = temp.add(a);
      if (temp.signum() == -1)
        temp = temp.subtract(c.subtract(BigInteger.ONE));
      return temp.divide(c);
    }
   
   
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    public BigInteger floor() {
      BigInteger temp = sqrt(b.multiply(b).multiply(d));
      if (b.signum() == -1)
        temp = temp.add(BigInteger.ONE).negate();
      temp = temp.add(a);
      if (temp.signum() == -1)
        temp = temp.subtract(c.subtract(BigInteger.ONE));
      return temp.divide(c);
    }
   
   
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        void set(BigDecimal newValue) {
            this.scale = newValue.scale();

            BigInteger unscaled = newValue.unscaledValue();
            if (unscaled.signum() >= 0) {
                this.plus = true;
            } else {
                this.plus = false;
                unscaled = unscaled.negate();
            }
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        while (--src_pos >= 0 && nBytes-- > 0) {
          data[pos] = bytes[src_pos];
          pos += delta;
        }
        if (nBytes > 0) {
          byte sign_byte = (byte)(big_int.signum() < 0 ? -1 : 0);
          while (nBytes-- > 0) {
            data[pos] = sign_byte;
            pos += delta;
          }
        }
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    }

    public static UnsignedLong valueOf(final String value)
    {
        BigInteger bigInt = new BigInteger(value);
        if(bigInt.signum() == -1 || bigInt.bitCount()>64)
        {
            throw new NumberFormatException("Value \""+value+"\" lies outside the range [" + 0L + "- 2^64).");
        }
        else if(bigInt.compareTo(LONG_MAX_VALUE)>=0)
        {
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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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        while (true) {
           
            // can process now if no other in process and this one is next
            if (inProcessNumber == null) {
                BigInteger diff = mn.subtract(highNumberCompleted);
                if (BigInteger.ONE.equals(diff) || (canSkip && diff.signum() > 0)) {
                    inProcessNumber = mn;
                    return true;
                }
            }
           
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    }

    public BigIntegerToken getRandomToken()
    {
        BigInteger token = FBUtilities.hashToBigInteger(GuidGenerator.guidAsBytes());
        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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