Package java.math

Examples of java.math.BigInteger.signum()

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                    if (sign)
                        nn.diffSigns = true;

                    nn.minExponent = baseNode.minExponent;

                    if (baseExponent.signum() > 0 && baseExponent.compareTo(tempExponent) > 0)
                        baseNode.exponent = tempExponent;
                    else if (baseExponent.signum() < 0 && baseExponent.compareTo(tempExponent) < 0)
                        baseNode.exponent = tempExponent;
                    break;
                }
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                    nn.minExponent = baseNode.minExponent;

                    if (baseExponent.signum() > 0 && baseExponent.compareTo(tempExponent) > 0)
                        baseNode.exponent = tempExponent;
                    else if (baseExponent.signum() < 0 && baseExponent.compareTo(tempExponent) < 0)
                        baseNode.exponent = tempExponent;
                    break;
                }

                if (sign == null) {
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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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        InputStream iStream = oStream.create_input_stream();
        CorbaObjectReader reader = new CorbaObjectReader(iStream);
       
        BigInteger ulonglongValue = reader.readULongLong();
        assertEquals(1, ulonglongValue.signum());
    }
   
    @Test
    public void testReadFloat() {
        OutputStream oStream = orb.create_output_stream();
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                result.set(Calendar.ERA, year < 0 ? GregorianCalendar.BC : GregorianCalendar.AD);
                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
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                result.set(Calendar.ERA, year < 0 ? GregorianCalendar.BC : GregorianCalendar.AD);
                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
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                        result.set(Calendar.ERA, defaultYear < 0 ? GregorianCalendar.BC : GregorianCalendar.AD);
                        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 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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    }

    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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                    && 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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