Example usage for java.math BigDecimal subtract

Introduction

In this page you can find the example usage for java.math BigDecimal subtract.

Prototype

public BigDecimal subtract(BigDecimal subtrahend) 

Source Link

Document

Returns a BigDecimal whose value is (this - subtrahend) , and whose scale is max(this.scale(), subtrahend.scale()) .

Usage

From source file:com.fanniemae.ezpie.common.StringUtilities.java

public static String formatAsNumber(double value) {
    BigDecimal valueOf = BigDecimal.valueOf(value);
    BigDecimal integerPart = BigDecimal.valueOf(valueOf.longValue());
    BigDecimal fractional = valueOf.subtract(integerPart);
    String fraction = fractional.toPlainString();
    int indexOfDot = fraction.indexOf('.') + 1;
    String sign = fraction.startsWith("-") ? "-" : "";
    fraction = fraction.length() > indexOfDot ? fraction.substring(indexOfDot) : fraction;
    if (fraction.equals("0")) {
        return MessageFormat.format("{0}{1}", sign, integerPart.toPlainString(), fraction);
    } else {/*from   www.j  ava2 s. co  m*/
        return MessageFormat.format("{0}{1}.{2}", sign, integerPart.toPlainString(), fraction);
    }
}

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From source file:org.apache.hadoop.hive.common.type.HiveIntervalDayTime.java

public static HiveIntervalDayTime valueOf(String strVal) {
    HiveIntervalDayTime result = null;//from w  w w  .  ja va  2 s.  c o  m
    if (strVal == null) {
        throw new IllegalArgumentException("Interval day-time string was null");
    }
    Matcher patternMatcher = PATTERN_MATCHER.get();
    patternMatcher.reset(strVal);
    if (patternMatcher.matches()) {
        // Parse out the individual parts
        try {
            // Sign - whether interval is positive or negative
            int sign = 1;
            String field = patternMatcher.group(1);
            if (field != null && field.equals("-")) {
                sign = -1;
            }
            int days = sign * IntervalDayTimeUtils.parseNumericValueWithRange("day", patternMatcher.group(2), 0,
                    Integer.MAX_VALUE);
            byte hours = (byte) (sign
                    * IntervalDayTimeUtils.parseNumericValueWithRange("hour", patternMatcher.group(3), 0, 23));
            byte minutes = (byte) (sign * IntervalDayTimeUtils.parseNumericValueWithRange("minute",
                    patternMatcher.group(4), 0, 59));
            int seconds = 0;
            int nanos = 0;
            field = patternMatcher.group(5);
            if (field != null) {
                BigDecimal bdSeconds = new BigDecimal(field);
                if (bdSeconds.compareTo(IntervalDayTimeUtils.MAX_INT_BD) > 0) {
                    throw new IllegalArgumentException("seconds value of " + bdSeconds + " too large");
                }
                seconds = sign * bdSeconds.intValue();
                nanos = sign * bdSeconds.subtract(new BigDecimal(bdSeconds.toBigInteger()))
                        .multiply(IntervalDayTimeUtils.NANOS_PER_SEC_BD).intValue();
            }

            result = new HiveIntervalDayTime(days, hours, minutes, seconds, nanos);
        } catch (Exception err) {
            throw new IllegalArgumentException("Error parsing interval day-time string: " + strVal, err);
        }
    } else {
        throw new IllegalArgumentException(
                "Interval string does not match day-time format of 'd h:m:s.n': " + strVal);
    }

    return result;
}

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From source file:client.Pi.java

/**
 * Compute the value, in radians, of the arctangent of 
 * the inverse of the supplied integer to the specified
 * number of digits after the decimal point.  The value
 * is computed using the power series expansion for the
 * arc tangent://from w  ww.j  a  v  a  2 s .c om
 *
 * arctan(x) = x - (x^3)/3 + (x^5)/5 - (x^7)/7 + 
 *     (x^9)/9 ...
 */
public static BigDecimal arctan(int inverseX, int scale) {
    BigDecimal result, numer, term;
    BigDecimal invX = BigDecimal.valueOf(inverseX);
    BigDecimal invX2 = BigDecimal.valueOf(inverseX * inverseX);

    numer = BigDecimal.ONE.divide(invX, scale, roundingMode);

    result = numer;
    int i = 1;
    do {
        numer = numer.divide(invX2, scale, roundingMode);
        int denom = 2 * i + 1;
        term = numer.divide(BigDecimal.valueOf(denom), scale, roundingMode);
        if ((i % 2) != 0) {
            result = result.subtract(term);
        } else {
            result = result.add(term);
        }
        i++;
    } while (term.compareTo(BigDecimal.ZERO) != 0);
    return result;
}

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From source file:org.kalypso.ui.wizards.results.ResultSldHelper.java

/**
 * sets the parameters for the colormap of an isoline
 *///from  ww  w. j av a2s  . com
private static void configureLineSymbolizer(final SurfaceLineSymbolizer symbolizer, final BigDecimal minValue,
        final BigDecimal maxValue) throws FilterEvaluationException {
    final LineColorMap templateColorMap = symbolizer.getColorMap();
    final LineColorMap newColorMap = new LineColorMap_Impl();

    // retrieve stuff from template-entries
    final LineColorMapEntry fromEntry = templateColorMap.findEntry("from", null); //$NON-NLS-1$
    final LineColorMapEntry toEntry = templateColorMap.findEntry("to", null); //$NON-NLS-1$
    final LineColorMapEntry fatEntry = templateColorMap.findEntry("fat", null); //$NON-NLS-1$

    final Color fromColor = fromEntry.getStroke().getStroke(null);
    final Color toColor = toEntry.getStroke().getStroke(null);
    final double opacity = fromEntry.getStroke().getOpacity(null);

    final double normalWidth = fromEntry.getStroke().getWidth(null);
    final double fatWidth = fatEntry.getStroke().getWidth(null);

    // defines which isolines are drawn with a fat line
    final double fatValue = fatEntry.getQuantity(null);
    // TODO: get setep / scale from quantity
    // get rounded values below min and above max (rounded by first decimal)
    // as a first try we will generate isolines using class steps of 0.1
    // later, the classes will be done by using user defined class steps.
    // for that we fill an array of calculated (later user defined values) from max to min
    final BigDecimal minDecimal = minValue.setScale(1, BigDecimal.ROUND_FLOOR);
    final BigDecimal maxDecimal = maxValue.setScale(1, BigDecimal.ROUND_CEILING);

    final BigDecimal stepWidth = new BigDecimal(0.1).setScale(1, BigDecimal.ROUND_HALF_UP);
    final int numOfClasses = (maxDecimal.subtract(minDecimal).divide(stepWidth)).intValue() + 1;

    for (int currentClass = 0; currentClass < numOfClasses; currentClass++) {
        final double currentValue = minDecimal.doubleValue() + currentClass * stepWidth.doubleValue();

        Color lineColor;
        if (fromColor == toColor)
            lineColor = fromColor;
        else
            lineColor = interpolateColor(fromColor, toColor, currentClass, numOfClasses);

        final double strokeWidth;
        if (currentValue % fatValue == 0)
            strokeWidth = fatWidth;
        else
            strokeWidth = normalWidth;

        final Stroke stroke = StyleFactory.createStroke(lineColor, strokeWidth, opacity);

        final ParameterValueType label = StyleFactory.createParameterValueType("Isolinie " + currentClass); //$NON-NLS-1$
        final ParameterValueType quantity = StyleFactory.createParameterValueType(currentValue);

        final LineColorMapEntry colorMapEntry = new LineColorMapEntry_Impl(stroke, label, quantity);
        newColorMap.addColorMapClass(colorMapEntry);
    }

    symbolizer.setColorMap(newColorMap);
}

---

From source file:org.openmrs.module.openhmis.cashier.api.util.RoundingUtil.java

private static BigDecimal calculateRoundingValue(Bill bill, CashierOptions options,
        BillLineItem roundingLineItem) {
    List<BillLineItem> lineItems = bill.getLineItems();
    BigDecimal itemTotal = new BigDecimal(0);

    if (lineItems == null) {
        return BigDecimal.ZERO;
    }//from   w w w .  ja  v a  2 s  . c o m

    for (BillLineItem lineItem : lineItems) {
        if (lineItem != null && !lineItem.getVoided()) {
            if (roundingLineItem == null || !roundingLineItem.equals(lineItem)) {
                itemTotal = itemTotal.add(lineItem.getTotal());
            }
        }
    }

    return itemTotal
            .subtract(RoundingUtil.round(itemTotal, options.getRoundToNearest(), options.getRoundingMode()));

}

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From source file:lu.lippmann.cdb.graph.renderer.CadralEdgeColorTransformer.java

private static Color rangeColor(Color colorMin, Color colorMax, BigDecimal grow, BigDecimal minValue,
        BigDecimal maxValue) {/*from   w  w  w . j ava 2  s . c om*/
    BigDecimal colorValue = grow;
    if (colorValue == null) {
        return Color.LIGHT_GRAY;
    }

    if (maxValue.compareTo(minValue) < 0) {
        return rangeColor(colorMin, colorMax, grow, maxValue, minValue);
    } else {
        int rMax = colorMax.getRed();
        int gMax = colorMax.getGreen();
        int bMax = colorMax.getBlue();

        double color = 0.0;

        color = 255.0
                - grow.subtract(minValue).doubleValue() * 255.0 / maxValue.subtract(minValue).doubleValue();

        int r = rMax + (int) ((255 - rMax) * color / 255.0);
        int g = gMax + (int) ((255 - gMax) * color / 255.0);
        int b = bMax + (int) ((255 - bMax) * color / 255.0);

        if (r > 192 && g > 192 && b > 192)
            return Color.LIGHT_GRAY;

        return new Color(r, g, b);
    }

}

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From source file:com.willetinc.hadoop.mapreduce.dynamodb.BinarySplitter.java

/**
 * Return the string encoded in a BigDecimal. Repeatedly multiply the input
 * value by 16; the integer portion after such a multiplication represents a
 * single character in base 16. Convert that back into a char and create a
 * string out of these until we have no data left.
 * //from w  w  w. j  a va  2 s .c o  m
 * @throws IOException
 */
static byte[] bigDecimalToByteArray(BigDecimal bd, int maxBytes) {
    BigDecimal cur = bd.stripTrailingZeros();
    ByteArrayOutputStream sb = new ByteArrayOutputStream();

    try {
        byte[] curCodePoint = new byte[1];
        for (int numConverted = 0; numConverted < maxBytes; numConverted++) {
            cur = cur.multiply(ONE_PLACE);
            curCodePoint[0] = cur.byteValue();
            if (0x0 == curCodePoint[0]) {
                break;
            }

            cur = cur.subtract(new BigDecimal(new BigInteger(curCodePoint)));
            sb.write(curCodePoint);
        }
    } catch (IOException e) {
        LOG.error("Error writing byte array", e);
    }

    return sb.toByteArray();
}

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From source file:org.openbravo.advpaymentmngt.process.FIN_ExecutePayment.java

private static void updatePaymentAmounts(FIN_Payment payment) {
    for (FIN_PaymentDetail pDetail : payment.getFINPaymentDetailList()) {
        for (FIN_PaymentScheduleDetail psd : pDetail.getFINPaymentScheduleDetailList()) {
            if (psd.getInvoicePaymentSchedule() != null) {
                BusinessPartner bPartner = psd.getInvoicePaymentSchedule().getInvoice().getBusinessPartner();
                BigDecimal creditUsed = bPartner.getCreditUsed();
                BigDecimal amountWithSign = psd.getInvoicePaymentSchedule().getInvoice().isSalesTransaction()
                        ? psd.getAmount()
                        : psd.getAmount().negate();
                creditUsed = creditUsed.subtract(amountWithSign);
                bPartner.setCreditUsed(creditUsed);
                OBDal.getInstance().save(bPartner);
                FIN_AddPayment.updatePaymentScheduleAmounts(pDetail, psd.getInvoicePaymentSchedule(),
                        psd.getAmount(), psd.getWriteoffAmount());
            }//from w w w .ja  v  a  2  s  .com
            if (psd.getOrderPaymentSchedule() != null) {
                FIN_AddPayment.updatePaymentScheduleAmounts(pDetail, psd.getOrderPaymentSchedule(),
                        psd.getAmount(), psd.getWriteoffAmount());
            }
            if (pDetail.isPrepayment() && psd.getOrderPaymentSchedule() == null
                    && psd.getInvoicePaymentSchedule() == null) {
                // This PSD is credit
                BusinessPartner bPartner = psd.getPaymentDetails().getFinPayment().getBusinessPartner();
                BigDecimal creditUsed = bPartner.getCreditUsed();
                BigDecimal amountWithSign = psd.getPaymentDetails().getFinPayment().isReceipt()
                        ? psd.getAmount()
                        : psd.getAmount().negate();
                creditUsed = creditUsed.subtract(amountWithSign);
                bPartner.setCreditUsed(creditUsed);
                OBDal.getInstance().save(bPartner);
            }
        }
    }
    // When credit is used (consumed) we compensate so_creditused as this amount is already
    // included in the payment details. Credit consumed should not affect to so_creditused
    if (payment.getGeneratedCredit().compareTo(BigDecimal.ZERO) == 0
            && payment.getUsedCredit().compareTo(BigDecimal.ZERO) != 0) {
        BusinessPartner bp = payment.getBusinessPartner();
        if (payment.isReceipt()) {
            bp.setCreditUsed(bp.getCreditUsed().add(payment.getUsedCredit()));
        } else {
            bp.setCreditUsed(bp.getCreditUsed().subtract(payment.getUsedCredit()));
        }
        OBDal.getInstance().save(bp);
    }
}

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From source file:Main.java

/**
 * Add two positive Duration objects./* w ww  .j a  va2 s . co m*/
 * @param d1 The first Duration.
 * @param d2 The second Duration.
 * @return The sum of the two durations.
 */
private static Duration addPositiveDurations(Duration d1, Duration d2) {
    BigDecimal s1 = fractionalSeconds(d1);
    BigDecimal s2 = fractionalSeconds(d2);
    BigDecimal extraSeconds = s1.add(s2);

    Duration strip1 = stripFractionalSeconds(d1);
    Duration strip2 = stripFractionalSeconds(d2);

    Duration stripResult = strip1.add(strip2);

    if (extraSeconds.compareTo(BigDecimal.ONE) >= 0) {
        stripResult = stripResult.add(DURATION_1_SECOND);
        extraSeconds = extraSeconds.subtract(BigDecimal.ONE);
    }

    BigDecimal properSeconds = BigDecimal.valueOf(stripResult.getSeconds()).add(extraSeconds);

    return FACTORY.newDuration(true, BigInteger.valueOf(stripResult.getYears()),
            BigInteger.valueOf(stripResult.getMonths()), BigInteger.valueOf(stripResult.getDays()),
            BigInteger.valueOf(stripResult.getHours()), BigInteger.valueOf(stripResult.getMinutes()),
            properSeconds);
}

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From source file:org.apache.hadoop.hive.serde2.io.TimestampWritable.java

public static Timestamp decimalToTimestamp(BigDecimal d) {
    BigDecimal seconds = new BigDecimal(d.longValue());
    long millis = d.multiply(new BigDecimal(1000)).longValue();
    int nanos = d.subtract(seconds).multiply(new BigDecimal(1000000000)).intValue();

    Timestamp t = new Timestamp(millis);
    t.setNanos(nanos);/*  w  w  w.  ja v  a 2s  .co  m*/

    return t;
}

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