Example usage for java.math BigInteger negate

List of usage examples for java.math BigInteger negate

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Introduction

In this page you can find the example usage for java.math BigInteger negate.

Prototype

public BigInteger negate()

Source Link

Document

Returns a BigInteger whose value is (-this) .

Usage

From source file:com.healthmarketscience.jackcess.impl.ColumnImpl.java

static BigDecimal toBigDecimal(byte[] bytes, boolean negate, int scale) {
    if ((bytes[0] & 0x80) != 0) {
        // the data is effectively unsigned, but the BigInteger handles it as
        // signed twos complement.  we need to add an extra byte to the input so
        // that it will be treated as unsigned
        bytes = ByteUtil.copyOf(bytes, 0, bytes.length + 1, 1);
    }/*from w ww  .j  a v  a  2 s  . c  o  m*/
    BigInteger intVal = new BigInteger(bytes);
    if (negate) {
        intVal = intVal.negate();
    }
    return new BigDecimal(intVal, scale);
}

From source file:mil.jpeojtrs.sca.util.AnyUtils.java

/**
 * @since 3.0//from w  w w .ja  v a2s  .  c  om
 * @throws NumberFormatException
 */
public static BigInteger bigIntegerDecode(final String nm) {
    int radix = AnyUtils.RADIX_DECIMAL;
    int index = 0;
    boolean negative = false;
    BigInteger result;

    // Handle minus sign, if present
    if (nm.startsWith("-")) {
        negative = true;
        index++;
    }

    // Handle radix specifier, if present
    if (nm.startsWith("0x", index) || nm.startsWith("0X", index)) {
        index += 2;
        radix = AnyUtils.RADIX_HEX;
    } else if (nm.startsWith("#", index)) {
        index++;
        radix = AnyUtils.RADIX_HEX;
    } else if (nm.startsWith("0", index) && nm.length() > 1 + index) {
        index++;
        radix = AnyUtils.RADIX_OCTAL;
    }

    if (nm.startsWith("-", index)) {
        throw new NumberFormatException("Negative sign in wrong position");
    }
    try {
        result = new BigInteger(nm.substring(index), radix);
        if (negative) {
            result = result.negate();
        }
    } catch (final NumberFormatException e) {
        // If number is Long.MIN_VALUE, we'll end up here. The next line
        // handles this case, and causes any genuine format error to be
        // rethrown.
        final String constant;
        if (negative) {
            constant = "-" + nm.substring(index);
        } else {
            constant = nm.substring(index);
        }
        result = new BigInteger(constant, radix);
    }
    return result;
}

From source file:net.pms.util.Rational.java

/**
 * Returns an instance with the given {@code numerator} and
 * {@code denominator}.//from   w ww  .  jav a  2s .com
 *
 * @param numerator the numerator.
 * @param denominator the denominator.
 * @return An instance that represents the value of {@code numerator}/
 *         {@code denominator}.
 */
@Nullable
public static Rational valueOf(@Nullable BigInteger numerator, @Nullable BigInteger denominator) {
    if (numerator == null || denominator == null) {
        return null;
    }
    if (numerator.signum() == 0 && denominator.signum() == 0) {
        return NaN;
    }
    if (denominator.signum() == 0) {
        return numerator.signum() > 0 ? POSITIVE_INFINITY : NEGATIVE_INFINITY;
    }
    if (numerator.signum() == 0) {
        return ZERO;
    }
    if (numerator.equals(denominator)) {
        return ONE;
    }
    if (denominator.signum() < 0) {
        numerator = numerator.negate();
        denominator = denominator.negate();
    }

    BigInteger reducedNumerator;
    BigInteger reducedDenominator;
    BigInteger greatestCommonDivisor = calculateGreatestCommonDivisor(numerator, denominator);
    if (BigInteger.ONE.equals(greatestCommonDivisor)) {
        reducedNumerator = numerator;
        reducedDenominator = denominator;
    } else {
        reducedNumerator = numerator.divide(greatestCommonDivisor);
        reducedDenominator = denominator.divide(greatestCommonDivisor);
    }
    return new Rational(numerator, denominator, greatestCommonDivisor, reducedNumerator, reducedDenominator);
}

From source file:com.healthmarketscience.jackcess.Column.java

/**
 * Decodes a NUMERIC field.//from w  w  w  .j  a v  a 2 s.c  o m
 */
private BigDecimal readNumericValue(ByteBuffer buffer) {
    boolean negate = (buffer.get() != 0);

    byte[] tmpArr = new byte[16];
    buffer.get(tmpArr);

    if (buffer.order() != ByteOrder.BIG_ENDIAN) {
        fixNumericByteOrder(tmpArr);
    }

    BigInteger intVal = new BigInteger(tmpArr);
    if (negate) {
        intVal = intVal.negate();
    }
    return new BigDecimal(intVal, getScale());
}

From source file:net.pms.util.Rational.java

/**
 * Returns a {@link Rational} whose value is {@code (this - value)}.
 *
 * @param value the value to be subtracted from this {@link Rational}.
 * @return The subtraction result./*from w  ww . java  2 s .  com*/
 */
@Nullable
public Rational subtract(@Nullable BigInteger value) {
    if (value == null) {
        return null;
    }

    return add(value.negate());
}

From source file:net.pms.util.Rational.java

/**
 * Returns a {@link Rational} whose value is {@code (this / value)}.
 *
 * @param value the value by which this {@link Rational} is to be divided.
 * @return The division result./*from w  w w.  j  a va2  s  .c  o m*/
 */
@Nullable
public Rational divide(@Nullable BigInteger value) {
    if (value == null) {
        return null;
    }
    if (isNaN()) {
        return NaN;
    }

    if (value.signum() == 0) {
        if (signum() == 0) {
            return NaN;
        }
        return signum() > 0 ? POSITIVE_INFINITY : NEGATIVE_INFINITY;
    }

    if (signum() == 0 || isInfinite() || BigInteger.ONE.equals(value.abs())) {
        return value.signum() < 0 ? negate() : this;
    }

    // Keep the sign in the numerator and the denominator positive
    if (value.signum() < 0) {
        return valueOf(reducedNumerator.negate(), reducedDenominator.multiply(value.negate()));
    }
    return valueOf(reducedNumerator, reducedDenominator.multiply(value));
}

From source file:org.ossie.properties.AnyUtils.java

/**
 * @since 3.0//from   ww w  .jav  a2  s. c  o  m
 */
public static BigInteger bigIntegerDecode(final String nm) throws NumberFormatException {
    int radix = 10;
    int index = 0;
    boolean negative = false;
    BigInteger result;

    // Handle minus sign, if present
    if (nm.startsWith("-")) {
        negative = true;
        index++;
    }

    // Handle radix specifier, if present
    if (nm.startsWith("0x", index) || nm.startsWith("0X", index)) {
        index += 2;
        radix = 16;
    } else if (nm.startsWith("#", index)) {
        index++;
        radix = 16;
    } else if (nm.startsWith("0", index) && nm.length() > 1 + index) {
        index++;
        radix = 8;
    }

    if (nm.startsWith("-", index)) {
        throw new NumberFormatException("Negative sign in wrong position");
    }
    try {
        result = new BigInteger(nm.substring(index), radix);
        result = (negative) ? result.negate() : result;
    } catch (final NumberFormatException e) {
        // If number is Long.MIN_VALUE, we'll end up here. The next line
        // handles this case, and causes any genuine format error to be
        // rethrown.
        final String constant = (negative) ? "-" + nm.substring(index) : nm.substring(index);
        result = new BigInteger(constant, radix);
    }
    return result;
}

From source file:org.ow2.aspirerfid.demos.warehouse.management.beg.CaptureReport.java

private void handleReports(ECReports reports) throws IOException, JAXBException {
    log.debug("**********************Handling incomming reports****************************");

    // get the current time and set the eventTime
    XMLGregorianCalendar now = null;
    try {//from w w  w.  j ava2s  .  co m
        DatatypeFactory dataFactory = DatatypeFactory.newInstance();
        now = dataFactory.newXMLGregorianCalendar(new GregorianCalendar());

        log.debug("Event Time:" + now.getHour() + ":" + now.getMinute() + ":" + ":" + now.getSecond() + "\n");

    } catch (DatatypeConfigurationException e) {
        e.printStackTrace();
    }

    List<ECReport> theReports = reports.getReports().getReport();
    // collect all the tags
    List<EPC> epcs = new LinkedList<EPC>();
    if (theReports != null) {
        for (ECReport report : theReports) {
            // log.debug("Report Count: "+report.getGroup().size());
            log.debug("***************Report Name:" + report.getReportName() + "**************");
            if (report.getGroup() != null) {
                for (ECReportGroup group : report.getGroup()) {

                    if (WarehouseManagement.getEntryDateTextField().equals("")) {
                        WarehouseManagement.setEntryDateTextField(
                                now.getDay() + "/" + now.getMonth() + "/" + now.getYear());
                    }
                    if (WarehouseManagement.getEntryHourTextField().equals("")) {
                        WarehouseManagement.setEntryHourTextField(
                                now.getHour() + ":" + now.getMinute() + ":" + now.getSecond());
                    }

                    WarehouseManagement.setZoneIDTextField(zoneID);
                    WarehouseManagement.setWarehouseIDTextField(warehouseID);

                    log.debug("Group Count: " + group.getGroupCount().getCount());
                    log.debug("Group Name: " + group.getGroupName());
                    if (group.getGroupList() != null) {
                        deliveredItem = null;

                        // warehousemen
                        if (group.getGroupName().equals(warehousemenGroupName)) {
                            for (ECReportGroupListMember member : group.getGroupList().getMember()) {
                                if (member.getEpc() != null) {
                                    WarehouseManagement
                                            .setUserIDTextField(member.getTag().getValue().split(":")[4]);
                                }
                            }
                        }

                        // Invoice
                        if (group.getGroupName().equals(invoiceGroupName)) {
                            for (ECReportGroupListMember member : group.getGroupList().getMember()) {
                                if (member.getEpc() != null) {
                                    WarehouseManagement
                                            .setInvoiceIDTextField(member.getTag().getValue().split(":")[4]);
                                    WarehouseManagement.setOfferingDateTextField("22/05/08");
                                    WarehouseManagement.setOfferingHourTextField("10:53:22");
                                }
                            }
                        }
                        //                     // Small Packets
                        //                     if (group.getGroupName().equals("urn:epc:pat:gid-96:145.56.*")) {
                        //                        for (ECReportGroupListMember member : group.getGroupList().getMember()) {
                        //                           if (member.getEpc() != null) {
                        //                              // WarehouseManagement.setInvoiceIDTextField(member.getTag().getValue().split(":")[4]);
                        //                           }
                        //                        }
                        //                     }
                        //                     // Medium Packets
                        //                     if (group.getGroupName().equals("urn:epc:pat:gid-96:145.87.*")) {
                        //                        for (ECReportGroupListMember member : group.getGroupList().getMember()) {
                        //                           if (member.getEpc() != null) {
                        //                              // WarehouseManagement.setInvoiceIDTextField(member.getTag().getValue().split(":")[4]);
                        //                           }
                        //                        }
                        //                     }

                        for (int i = 0; i < nOFmerchandise; i++) {

                            if (group.getGroupName().equals(packetsGroupName[i])) {
                                BigInteger quantity = new BigInteger(packetsQuantity[i]);
                                BigInteger expectedQuantity = new BigInteger(packetsExpectedQuantity[i]);
                                BigInteger quantityDelivered = new BigInteger(
                                        (group.getGroupCount().getCount()) + "");
                                BigInteger quantityRemain = quantity.add(quantityDelivered.negate());

                                for (ECReportGroupListMember member : group.getGroupList().getMember()) {
                                    if (member.getEpc() != null) {
                                        deliveredItem = new DeliveredItem();
                                        deliveredItem.setCompany(packetsCompany[i]);
                                        deliveredItem.setDeliveryDate(
                                                now.getDay() + "/" + now.getMonth() + "/" + now.getYear());
                                        deliveredItem.setDescription(packetsDescription[i]);
                                        deliveredItem.setExpectedQuantity(expectedQuantity);
                                        deliveredItem.setMeasurementID(packetsMeasurementID[i]);
                                        deliveredItem.setQuantity(quantity);
                                        deliveredItem.setQuantityDelivered(quantityDelivered);
                                        deliveredItem.setQuantityRemain(quantityRemain);
                                        deliveredItem.setItemCode(member.getTag().getValue().split(":")[4]);
                                        WarehouseManagement.updateDeliveryTableModel(deliveredItem);
                                        deliveredItem = null;
                                    }
                                }
                            }
                        }

                        // Print All
                        for (ECReportGroupListMember member : group.getGroupList().getMember()) {
                            if (member.getEpc() != null) {
                                log.debug("***Recieved Group Values***");
                                log.debug("RawDecimal Value: " + member.getRawDecimal().getValue());
                                {
                                    if (!(member.getEpc() == null))
                                        epcs.add(member.getEpc());
                                    log.debug("Epc Value: " + member.getEpc().getValue());
                                    if ((member.getEpc() == null))
                                        log.debug("Epc Value: null");
                                }
                                log.debug("RawHex Value: " + member.getRawHex().getValue());
                                log.debug("Tag Value: " + member.getTag().getValue());
                                // log.debug("Group
                                // Value:"+member.getExtension().getFieldList().toString());

                            }
                        }

                    }
                }
            }
        }
    }
    if (epcs.size() == 0) {
        log.debug("no epc received - generating no event");
        return;
    }
}

From source file:org.trnltk.numeral.DigitsToTextConverter.java

public String convert(String digits) {
    if (StringUtils.isBlank(digits))
        return null;

    digits = digits.replaceAll(GROUPING_SEPARATOR_REGEX, StringUtils.EMPTY);

    if (!TURKISH_NUMBER_PATTERN.matcher(digits).matches())
        throw new IllegalArgumentException("'" + digits
                + "' is not a valid Turkish number. Allowed pattern is : " + TURKISH_NUMBER_PATTERN.pattern());

    String strIntegerPart, strFractionPart;

    if (digits.contains(FRACTION_SEPARATOR)) {
        strIntegerPart = digits.substring(0, digits.indexOf(FRACTION_SEPARATOR));
        strFractionPart = digits.substring(digits.indexOf(FRACTION_SEPARATOR) + 1);
    } else {//from www . ja v a2 s  .  c om
        strIntegerPart = digits;
        strFractionPart = null;
    }

    boolean isPositive = true;
    if (strIntegerPart.startsWith(POSITIVE_SIGN)) {
        isPositive = true;
        strIntegerPart = strIntegerPart.substring(1);
    }
    if (strIntegerPart.startsWith(NEGATIVE_SIGN)) {
        isPositive = false;
        strIntegerPart = strIntegerPart.substring(1);
    }

    BigInteger integerPart = new BigInteger(strIntegerPart);
    BigInteger fractionPart = StringUtils.isNotBlank(strFractionPart) ? new BigInteger(strFractionPart)
            : BigInteger.ZERO;

    if (!isPositive)
        integerPart = integerPart.negate();

    String wordIntegerPart = this.convertNaturalNumberToWords(integerPart.abs());
    String wordFractionPart = this.convertNaturalNumberToWords(fractionPart);

    wordIntegerPart = this.addTextForLeadingZeros(strIntegerPart, wordIntegerPart);
    wordFractionPart = StringUtils.isNotBlank(strFractionPart)
            ? this.addTextForLeadingZeros(strFractionPart, wordFractionPart)
            : wordFractionPart;

    if (integerPart.compareTo(ZERO) < 0)
        wordIntegerPart = MINUS_NAME + " " + wordIntegerPart;

    if (digits.contains(FRACTION_SEPARATOR))
        return wordIntegerPart + " " + COMMA_NAME + " " + wordFractionPart;
    else
        return wordIntegerPart;
}