Examples of java.math.BigInteger.abs()

java.math.BigInteger.abs()
Returns a BigInteger whose value is the absolute value of this BigInteger. @return {@code abs(this)}

            bytes = fis.read(buffer);
         }
         fis.close();
         byte[] digest = md5.digest();
         BigInteger bi = new BigInteger(-1, digest);
         bi = bi.abs();
         md5Digest = bi.toString(16);
         System.out.println(file+", md5: "+md5Digest);
      }


      public int compareTo(Object o)

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        for (int k = -2; k < 2; ++k) {
            // find another pair q, r such that a = q b + r
            BigInteger bigK = BigInteger.valueOf(k);
            BigInteger q = q0.subtract(bigK);
            BigInteger r = r0.add(bigK.multiply(bigB));
            if (r.abs().compareTo(bigB.abs()) < 0 &&
                (r.longValue() == 0l || ((r.longValue() ^ b) & 0x8000000000000000l) == 0)) {
                if (fd.compareTo(q) < 0) {
                    fd = q;
                }
            }

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    public static BigInteger hashToBigInteger(ByteBuffer data)
    {
        byte[] result = hash(data);
        BigInteger hash = new BigInteger(result);
        return hash.abs();        
    }


    public static byte[] hash(ByteBuffer... data)
    {
        MessageDigest messageDigest = localMD5Digest.get();

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    public static BigInteger hash(String data)
    {
        byte[] result = hash("MD5", data.getBytes());
        BigInteger hash = new BigInteger(result);
        return hash.abs();        
    }


    public static byte[] hash(String type, byte[]... data)
    {
      byte[] result = null;

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    public static BigInteger hashToBigInteger(ByteBuffer data)
    {
        byte[] result = hash(data);
        BigInteger hash = new BigInteger(result);
        return hash.abs();        
    }


    public static byte[] hash(ByteBuffer... data)
    {
        MessageDigest messageDigest = localMD5Digest.get();

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                result.set(Calendar.YEAR, Math.abs(year));
            }
            else {
                BigInteger eonAndYear = getEonAndYear();
                result.set(Calendar.ERA, eonAndYear.signum() == -1 ? GregorianCalendar.BC : GregorianCalendar.AD);
                result.set(Calendar.YEAR, eonAndYear.abs().intValue());
            }
        }


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

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                result.set(Calendar.YEAR, Math.abs(year));
            }
            else {
                final BigInteger eonAndYear = getEonAndYear();
                result.set(Calendar.ERA, eonAndYear.signum() == -1 ? GregorianCalendar.BC : GregorianCalendar.AD);
                result.set(Calendar.YEAR, eonAndYear.abs().intValue());
            }
        }
        else {
            // use default if set
            if (defaults != null) {

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                        result.set(Calendar.YEAR, Math.abs(defaultYear));
                    }
                    else {
                        final BigInteger defaultEonAndYear = defaults.getEonAndYear();
                        result.set(Calendar.ERA, defaultEonAndYear.signum() == -1 ? GregorianCalendar.BC : GregorianCalendar.AD);
                        result.set(Calendar.YEAR, defaultEonAndYear.abs().intValue());
                    }
                }
            }
        }

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    public static BigInteger hashToBigInteger(ByteBuffer data)
    {
        byte[] result = hash(data);
        BigInteger hash = new BigInteger(result);
        return hash.abs();        
    }


    public static byte[] hash(ByteBuffer... data)
    {
        MessageDigest messageDigest = localMD5Digest.get();

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        int scale = valNoTrailZeros.scale();
        BigInteger unscaledVal = valNoTrailZeros.unscaledValue();
        int sign = valNoTrailZeros.signum();
        
        /* Then do the normalization. */
        String unscaledValStr = unscaledVal.abs().toString();
        int normalizedScale = unscaledValStr.length() - 1;
        BigDecimal normalizedVal = new BigDecimal(unscaledVal, 
                                                  normalizedScale);
        int exponent = (normalizedScale - scale) * sign;

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