Example usage for java.math BigDecimal movePointLeft

Introduction

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

Prototype

public BigDecimal movePointLeft(int n) 

Source Link

Document

Returns a BigDecimal which is equivalent to this one with the decimal point moved n places to the left.

Usage

From source file:org.kalypso.model.wspm.pdb.internal.wspm.CrossSectionConverter.java

@Override
public IStatus execute(final IProfile profile) {
    m_profile.setName(m_section.getName());
    m_profile.setDescription(m_section.getDescription());

    /* [m] -> [km] */
    final BigDecimal station = m_section.getStation();
    m_profile.setStation(station.movePointLeft(3).doubleValue());

    convertP();//from www  . j  av  a  2s.co  m
    convertParts();

    return Status.OK_STATUS;
}

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From source file:com.heliumv.api.inventory.InventoryApi.java

private boolean isDifferenceToLarge(BigDecimal baseAmount, BigDecimal newAmount) {
    BigDecimal percentAllowed = new BigDecimal(10);
    BigDecimal amplitude = baseAmount.movePointLeft(2).multiply(percentAllowed);
    if (amplitude.compareTo(BigDecimal.ONE) <= 0) {
        amplitude = BigDecimal.ONE;
    }/*from www. j  ava2 s.co m*/
    return baseAmount.subtract(newAmount).abs().compareTo(amplitude) > 0;
}

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From source file:org.kuali.kfs.module.purap.service.impl.PurapAccountingServiceImpl.java

/**
 * gets the lowest possible number for rounding, it works for ROUND_HALF_UP
 *
 * @return a BigDecimal representing the lowest possible number for rounding
 *///from  ww w. j a  v a  2 s .c  o  m
protected BigDecimal getLowestPossibleRoundUpNumber() {
    BigDecimal startingDigit = new BigDecimal(0.5);
    if (SCALE != 0) {
        startingDigit = startingDigit.movePointLeft(SCALE);
    }
    return startingDigit;
}

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From source file:com.lp.server.artikel.fastlanereader.ArtikellisteHandler.java

protected void prepareVkPreis(HashMap hmRabattsatzFixpreis, HashMap hmPreisbasis, Object[] source,
        Object[] target) {//  ww  w .  ja va2 s .  co m
    // VK-Preis Berechnen
    BigDecimal vkPreis = null;

    BigDecimal vkPreisbasis = new BigDecimal(0);
    BigDecimal vkRabattsatz = new BigDecimal(0);
    BigDecimal vkFixpreis = new BigDecimal(0);

    if (hmRabattsatzFixpreis.containsKey(source[0])) {
        Object[] oTemp = (Object[]) hmRabattsatzFixpreis.get(source[0]);
        vkRabattsatz = (BigDecimal) oTemp[1];
        vkFixpreis = (BigDecimal) oTemp[2];
    }
    if (hmPreisbasis.containsKey(source[0])) {
        vkPreisbasis = (BigDecimal) hmPreisbasis.get(source[0]);
    }

    if (vkFixpreis != null) {
        vkPreis = vkFixpreis;
    } else {
        if (vkRabattsatz != null && vkPreisbasis != null) {
            BigDecimal bdRabattsumme = vkPreisbasis.multiply(vkRabattsatz.movePointLeft(2));
            vkPreis = vkPreisbasis.subtract(bdRabattsumme);
        } else {
            vkPreis = vkPreisbasis;
        }
    }
    target[getTableColumnInformation().getViewIndex("lp.preis")] = vkPreis;
}

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From source file:org.multibit.utils.CSMiscUtils.java

public static BigDecimal getDisplayUnitsForRawUnits(CSAsset asset, BigInteger rawQuantity) {
    if (asset == null)
        return BigDecimal.ZERO;
    CoinSparkGenesis genesis = asset.getGenesis();
    if (genesis == null)
        return BigDecimal.ZERO; // This can happen with brand new Manually transferred asset which has not yet been validated.
    int chargeBasisPoints = genesis.getChargeBasisPoints();
    int chargeExponent = genesis.getChargeFlatExponent();
    int chargeMantissa = genesis.getChargeFlatMantissa();
    int qtyExponent = genesis.getQtyExponent();
    int qtyMantissa = genesis.getQtyMantissa();

    double interestRate = asset.getInterestRate();
    Date issueDate = asset.getIssueDate();

    BigDecimal result = new BigDecimal(rawQuantity.toString());

    //System.out.println("interest rate = " + interestRate);
    //System.out.println("issue date = " + issueDate);

    //System.out.println("raw units =" + result);

    // 1. Compute interest
    if (issueDate != null && interestRate != 0.0) {

        BigDecimal rate = new BigDecimal(String.valueOf(interestRate));
        rate = rate.divide(new BigDecimal(100));
        rate = rate.add(BigDecimal.ONE);
        //interestRate = interestRate / 100;

        //System.out.println("interest rate 1 + ir/100 = " + rate.toPlainString());

        // get years elapsed
        DateTime d1 = new DateTime(issueDate);
        DateTime d2 = new DateTime();

        //System.out.println("Issue: " + d1 + "   Now: " + d2);
        int seconds = Math.abs(Seconds.secondsBetween(d1, d2).getSeconds());

        //System.out.println("...Number of seconds difference: " + seconds);

        BigDecimal elapsedSeconds = new BigDecimal(seconds);

        //System.out.println("...Number of seconds difference: " + elapsedSeconds.toPlainString());

        // To avoid exception, we need to set a precision.
        // java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result.
        // http://stackoverflow.com/questions/4591206/arithmeticexception-non-terminating-decimal-expansion-no-exact-representable
        BigDecimal elapsedYears = elapsedSeconds.divide(new BigDecimal(COINSPARK_SECONDS_IN_YEAR),
                MathContext.DECIMAL32);
        //System.out.println("...Number of years difference: " + elapsedYears.toPlainString());

        double base = elapsedSeconds.doubleValue();
        double exp = elapsedYears.doubleValue();
        //System.out.println("...base=" + base + "  exponent=" + exp);
        double interestMultipler = Math.pow(rate.doubleValue(), elapsedYears.doubleValue());

        //System.out.println("interest multipler =" + interestMultipler);

        result = result.multiply(new BigDecimal(interestMultipler));

        //System.out.println("raw units with interest multiplier =" + result);

        result = result.setScale(0, RoundingMode.DOWN);

        //System.out.println("raw units with interest multiplier, floored =" + result);

    }//from  w  w  w.jav a 2 s .  c om

    // 2. Apply multiple
    int decimalPlaces = CSMiscUtils.getNumberOfDisplayDecimalPlaces(asset);
    BigDecimal display = result;
    if (decimalPlaces != 0) {
        //       System.out.println(">>>>> display = " + display.toPlainString());
        display = result.movePointLeft(decimalPlaces);
        //       System.out.println(">>>>> display = " + display.toPlainString());
    }

    //long qty = Utils.mantissaExponentToQty(qtyMantissa, qtyExponent);
    //   double multiple = asset.getMultiple();
    // let's just do it for now to make sure code is corret   
    //if (multiple != 1.0)
    //   BigDecimal m = new BigDecimal(String.valueOf(multiple));
    //   BigDecimal display = result.multiply(m);

    //System.out.println("multiplier=" + m + ", display=" + display);
    // Stripping zeros from internal zero with different scale does not work, so use 
    // JDK bug still seems to exist
    // http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6480539
    // http://stackoverflow.com/questions/5239137/clarification-on-behavior-of-bigdecimal-striptrailingzeroes
    int cmpZeroResult = display.compareTo(BigDecimal.ZERO);
    if (decimalPlaces == 0) {
        display = display.stripTrailingZeros();
    }

    // Stripping trailing zeros from internal zero with different scale does not work, so set to ZERO instead.
    if (0 == cmpZeroResult) {
        display = BigDecimal.ZERO;
    }
    return display;
}

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