Example usage for java.math BigDecimal multiply

List of usage examples for java.math BigDecimal multiply

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Introduction

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

Prototype

public BigDecimal multiply(BigDecimal multiplicand)

Source Link

Document

Returns a BigDecimal whose value is (this × multiplicand), and whose scale is (this.scale() + multiplicand.scale()) .

Usage

From source file:com.marcosanta.service.impl.KalturaServiceImpl.java

private int GeneraReporte2(List<CatReporteXls> reporteGlobal, List<Object[]> objs, int totalentrys,
        String nombre, String valorUnitarioMIN, String valorUnitarioTam, String cuenta) {
    for (Object[] obj : objs) {
        SistemaReporte sr = new SistemaReporte((String) obj[0], (Integer) obj[1], (long) obj[2], (long) obj[3],
                (String) obj[4], (String) obj[5], (String) obj[6], (Date) obj[7]);
        sr.setNombre(sr.getEntryId());//from   w  ww.  ja  va  2s. co m
        sr.setDuracion(0L);
        sr.setFechaCorte(new Date());
        BigDecimal tamanioDeci = new BigDecimal(sr.getTamanio())
                .divide(new BigDecimal(1024), MathContext.DECIMAL128)
                .divide(new BigDecimal(1024), MathContext.DECIMAL128);
        BigDecimal taDeci = new BigDecimal(sr.getTamanio()).divide(new BigDecimal(1024), MathContext.DECIMAL128)
                .divide(new BigDecimal(1024), MathContext.DECIMAL128);
        if (reporteGlobal.contains(new CatReporteXls(sr.getNombre()))) {
            CatReporteXls caRepTmp = reporteGlobal
                    .get(reporteGlobal.indexOf(new CatReporteXls(sr.getNombre())));
            caRepTmp.setMinVistos(caRepTmp.getMinVistos().add(new BigDecimal(sr.getTiempoVisto())));
            caRepTmp.setDuration(caRepTmp.getDuration().add(new BigDecimal(sr.getDuracion())));
            caRepTmp.setTamanio(caRepTmp.getTamanio().add(tamanioDeci));
            caRepTmp.setTotalEntrys(new BigDecimal(totalentrys));
            caRepTmp.setTamUni(caRepTmp.getTamUni()
                    .add(tamanioDeci.multiply(new BigDecimal(Double.parseDouble(valorUnitarioTam)))));
            caRepTmp.setMinVisUni(caRepTmp.getMinVisUni().add(new BigDecimal(sr.getTiempoVisto())));
        } else {
            reporteGlobal.add(new CatReporteXls(sr.getNombre(), sr.getNombre(), sr.getNombreFabrica(),
                    sr.getNombrePrograma(), cuenta, sr.getNombre(), sr.getNombreUnidad(), tamanioDeci,
                    new BigDecimal(sr.getDuracion()), new BigDecimal(sr.getTiempoVisto()), sr.getFechaCorte(),
                    sr.getFechaCreacion(),
                    new BigDecimal(sr.getTiempoVisto() * Double.parseDouble(valorUnitarioMIN)),
                    new BigDecimal(tamanioDeci.floatValue() * Double.parseDouble(valorUnitarioTam)),
                    new BigDecimal(totalentrys)));

        }
        totalentrys++;
    }
    return totalentrys;
}

From source file:org.apache.fineract.portfolio.loanaccount.domain.LoanCharge.java

public void update(final BigDecimal amount, final LocalDate dueDate, final BigDecimal loanPrincipal,
        Integer numberOfRepayments, BigDecimal loanCharge) {
    if (dueDate != null) {
        this.dueDate = dueDate.toDate();
    }/* w w  w .  j  a  v  a  2 s.c o  m*/

    if (amount != null) {
        switch (ChargeCalculationType.fromInt(this.chargeCalculation)) {
        case INVALID:
            break;
        case FLAT:
            if (isInstalmentFee()) {
                if (numberOfRepayments == null) {
                    numberOfRepayments = this.loan.fetchNumberOfInstallmensAfterExceptions();
                }
                this.amount = amount.multiply(BigDecimal.valueOf(numberOfRepayments));
            } else {
                this.amount = amount;
            }
            break;
        case PERCENT_OF_AMOUNT:
        case PERCENT_OF_AMOUNT_AND_INTEREST:
        case PERCENT_OF_INTEREST:
        case PERCENT_OF_DISBURSEMENT_AMOUNT:
            this.percentage = amount;
            this.amountPercentageAppliedTo = loanPrincipal;
            if (loanCharge.compareTo(BigDecimal.ZERO) == 0) {
                loanCharge = percentageOf(this.amountPercentageAppliedTo);
            }
            this.amount = minimumAndMaximumCap(loanCharge);
            break;
        }
        this.amountOrPercentage = amount;
        this.amountOutstanding = calculateOutstanding();
        if (this.loan != null && isInstalmentFee()) {
            updateInstallmentCharges();
        }
    }
}

From source file:org.kuali.kfs.module.bc.document.service.impl.SalarySettingServiceImpl.java

/**
 * @see org.kuali.kfs.module.bc.document.service.SalarySettingService#calculateFteQuantity(java.lang.Integer, java.lang.Integer,
 *      java.math.BigDecimal)// w  w  w. java2  s  . co  m
 */
public BigDecimal calculateFteQuantity(Integer payMonth, Integer fundingMonth,
        BigDecimal requestedTimePercent) {
    LOG.debug("calculateFteQuantity() start");

    if (payMonth == null || fundingMonth == null || requestedTimePercent == null) {
        return BigDecimal.ZERO;
    }

    BigDecimal payMonthAsDecimal = BigDecimal.valueOf(payMonth);
    BigDecimal fundingMonthAsDecimal = BigDecimal.valueOf(fundingMonth);
    BigDecimal fundingMonthPercent = fundingMonthAsDecimal.divide(payMonthAsDecimal, 5,
            BigDecimal.ROUND_HALF_UP);

    BigDecimal fteQuantity = requestedTimePercent.multiply(fundingMonthPercent)
            .divide(KFSConstants.ONE_HUNDRED.bigDecimalValue());

    return fteQuantity.setScale(5, BigDecimal.ROUND_HALF_UP);
}

From source file:com.marcosanta.service.impl.KalturaServiceImpl.java

private int GeneraReporte(List<CatReporteXls> reporteGlobal, List<CatReporteXls> reporteEntrys,
        List<Object[]> objs, int totalentrys, String nombre, String valorUnitarioMIN, String valorUnitarioTam,
        String partnerId) {/*from   www . j  a v a 2 s  .  co m*/
    for (Object[] obj : objs) {
        SistemaReporte sr = new SistemaReporte((String) obj[0], (int) obj[1], (long) obj[2]);
        sr.setDuracion(0L);
        sr.setFechaCorte(new Date());
        BigDecimal tamanioDeci = new BigDecimal(sr.getTamanio())
                .divide(new BigDecimal(1024), MathContext.DECIMAL128)
                .divide(new BigDecimal(1024), MathContext.DECIMAL128);
        BigDecimal taDeci = new BigDecimal(sr.getTamanio()).divide(new BigDecimal(1024), MathContext.DECIMAL128)
                .divide(new BigDecimal(1024), MathContext.DECIMAL128);
        if (reporteGlobal.contains(new CatReporteXls(nombre))) {
            reporteEntrys.add(new CatReporteXls(sr.getEntryId(), partnerId));
            CatReporteXls caRepTmp = reporteGlobal.get(reporteGlobal.indexOf(new CatReporteXls(nombre)));
            caRepTmp.setMinVistos(caRepTmp.getMinVistos().add(new BigDecimal(sr.getTiempoVisto())));
            caRepTmp.setDuration(caRepTmp.getDuration().add(new BigDecimal(sr.getDuracion())));
            caRepTmp.setTamanio(caRepTmp.getTamanio().add(tamanioDeci));
            caRepTmp.setTotalEntrys(new BigDecimal(totalentrys));
            caRepTmp.setTamUni(caRepTmp.getTamUni()
                    .add(tamanioDeci.multiply(new BigDecimal(Double.parseDouble(valorUnitarioTam)))));
            caRepTmp.setMinVisUni(caRepTmp.getMinVisUni().add(new BigDecimal(sr.getTiempoVisto())));
        } else {
            reporteEntrys.add(new CatReporteXls(sr.getEntryId(), partnerId));
            reporteGlobal.add(new CatReporteXls(nombre, new BigDecimal(sr.getTiempoVisto()), tamanioDeci,
                    new BigDecimal(sr.getDuracion()), sr.getFechaCorte(),
                    new BigDecimal(sr.getTiempoVisto() * Double.parseDouble(valorUnitarioMIN)),
                    new BigDecimal(tamanioDeci.floatValue() * Double.parseDouble(valorUnitarioTam)),
                    new BigDecimal(totalentrys)));

        }
        totalentrys++;
    }
    return totalentrys;
}

From source file:org.kuali.kfs.module.bc.document.service.impl.SalarySettingServiceImpl.java

/**
 * @see org.kuali.kfs.module.bc.document.service.SalarySettingService#calculateCSFFteQuantity(java.lang.Integer,
 *      java.lang.Integer, java.math.BigDecimal)
 *//*from w w w  .  j  a  va 2 s.co  m*/
public BigDecimal calculateCSFFteQuantity(Integer payMonth, Integer normalWorkMonth,
        BigDecimal requestedCSFTimePercent) {
    LOG.debug("calculateCSFFteQuantity() start");

    if (payMonth == null || normalWorkMonth == null || requestedCSFTimePercent == null) {
        return BigDecimal.ZERO;
    }

    BigDecimal payMonthAsDecimal = BigDecimal.valueOf(payMonth);
    BigDecimal normalMonthAsDecimal = BigDecimal.valueOf(normalWorkMonth);
    BigDecimal fundingMonthPercent = normalMonthAsDecimal.divide(payMonthAsDecimal, 5,
            BigDecimal.ROUND_HALF_UP);

    BigDecimal fteQuantity = requestedCSFTimePercent.multiply(fundingMonthPercent)
            .divide(KFSConstants.ONE_HUNDRED.bigDecimalValue());

    return fteQuantity.setScale(5, BigDecimal.ROUND_HALF_UP);
}

From source file:org.nd4j.linalg.util.BigDecimalMath.java

/**
 * Trigonometric cosine./*from w w w  . j a  va  2s.  co m*/
 *
 * @param x The argument in radians.
 * @return cos(x) in the range -1 to 1.
 */
static public BigDecimal cos(final BigDecimal x) {
    if (x.compareTo(BigDecimal.ZERO) < 0) {
        return cos(x.negate());
    } else if (x.compareTo(BigDecimal.ZERO) == 0) {
        return BigDecimal.ONE;
    } else {
        /* reduce modulo 2pi
         */
        BigDecimal res = mod2pi(x);
        double errpi = 0.5 * Math.abs(x.ulp().doubleValue());
        int val = +err2prec(FastMath.PI, errpi);
        MathContext mc = new MathContext(val);
        BigDecimal p = pi(mc);
        mc = new MathContext(x.precision());
        if (res.compareTo(p) > 0) {
            /* pi<x<=2pi: cos(x)= - cos(x-pi)
             */
            return cos(subtractRound(res, p)).negate();
        } else if (res.multiply(new BigDecimal("2")).compareTo(p) > 0) {
            /* pi/2<x<=pi: cos(x)= -cos(pi-x)
             */
            return cos(subtractRound(p, res)).negate();
        } else {
            /* for the range 0<=x<Pi/2 one could use cos(2x)= 1-2*sin^2(x)
             * to split this further, or use the cos up to pi/4 and the sine higher up.
            throw new ProviderException("Unimplemented cosine ") ;
             */
            if (res.multiply(new BigDecimal("4")).compareTo(p) > 0) {
                /* x>pi/4: cos(x) = sin(pi/2-x)
                 */
                return sin(subtractRound(p.divide(new BigDecimal("2")), res));
            } else {
                /* Simple Taylor expansion, sum_{i=0..infinity} (-1)^(..)res^(2i)/(2i)! */
                BigDecimal resul = BigDecimal.ONE;
                /* x^i */
                BigDecimal xpowi = BigDecimal.ONE;
                /* 2i factorial */
                BigInteger ifac = BigInteger.ONE;
                /* The absolute error in the result is the error in x^2/2 which is x times the error in x.
                 */
                double xUlpDbl = 0.5 * res.ulp().doubleValue() * res.doubleValue();
                /* The error in the result is set by the error in x^2/2 itself, xUlpDbl.
                 * We need at most k terms to push x^(2k+1)/(2k+1)! below this value.
                 * x^(2k) < xUlpDbl; (2k)*log(x) < log(xUlpDbl);
                 */
                int k = (int) (Math.log(xUlpDbl) / Math.log(res.doubleValue())) / 2;
                MathContext mcTay = new MathContext(err2prec(1., xUlpDbl / k));
                for (int i = 1;; i++) {
                    /* TBD: at which precision will 2*i-1 or 2*i overflow?
                     */
                    ifac = ifac.multiply(new BigInteger("" + (2 * i - 1)));
                    ifac = ifac.multiply(new BigInteger("" + (2 * i)));
                    xpowi = xpowi.multiply(res).multiply(res).negate();
                    BigDecimal corr = xpowi.divide(new BigDecimal(ifac), mcTay);
                    resul = resul.add(corr);
                    if (corr.abs().doubleValue() < 0.5 * xUlpDbl) {
                        break;
                    }
                }
                /* The error in the result is governed by the error in x itself.
                 */
                mc = new MathContext(err2prec(resul.doubleValue(), xUlpDbl));
                return resul.round(mc);
            }
        }
    }
}

From source file:org.nd4j.linalg.util.BigDecimalMath.java

/**
 * Trigonometric sine.//from   w ww  .  ja va2  s  .co  m
 *
 * @param x The argument in radians.
 * @return sin(x) in the range -1 to 1.
 */
static public BigDecimal sin(final BigDecimal x) {
    if (x.compareTo(BigDecimal.ZERO) < 0) {
        return sin(x.negate()).negate();
    } else if (x.compareTo(BigDecimal.ZERO) == 0) {
        return BigDecimal.ZERO;
    } else {
        /* reduce modulo 2pi
         */
        BigDecimal res = mod2pi(x);
        double errpi = 0.5 * Math.abs(x.ulp().doubleValue());
        int val = 2 + err2prec(FastMath.PI, errpi);
        MathContext mc = new MathContext(val);
        BigDecimal p = pi(mc);
        mc = new MathContext(x.precision());
        if (res.compareTo(p) > 0) {
            /* pi<x<=2pi: sin(x)= - sin(x-pi)
             */
            return sin(subtractRound(res, p)).negate();
        } else if (res.multiply(new BigDecimal("2")).compareTo(p) > 0) {
            /* pi/2<x<=pi: sin(x)= sin(pi-x)
             */
            return sin(subtractRound(p, res));
        } else {
            /* for the range 0<=x<Pi/2 one could use sin(2x)=2sin(x)cos(x)
             * to split this further. Here, use the sine up to pi/4 and the cosine higher up.
             */
            if (res.multiply(new BigDecimal("4")).compareTo(p) > 0) {
                /* x>pi/4: sin(x) = cos(pi/2-x)
                 */
                return cos(subtractRound(p.divide(new BigDecimal("2")), res));
            } else {
                /* Simple Taylor expansion, sum_{i=1..infinity} (-1)^(..)res^(2i+1)/(2i+1)! */
                BigDecimal resul = res;
                /* x^i */
                BigDecimal xpowi = res;
                /* 2i+1 factorial */
                BigInteger ifac = BigInteger.ONE;
                /* The error in the result is set by the error in x itself.
                 */
                double xUlpDbl = res.ulp().doubleValue();
                /* The error in the result is set by the error in x itself.
                 * We need at most k terms to squeeze x^(2k+1)/(2k+1)! below this value.
                 * x^(2k+1) < x.ulp; (2k+1)*log10(x) < -x.precision; 2k*log10(x)< -x.precision;
                 * 2k*(-log10(x)) > x.precision; 2k*log10(1/x) > x.precision
                 */
                int k = (int) (res.precision() / Math.log10(1.0 / res.doubleValue())) / 2;
                MathContext mcTay = new MathContext(err2prec(res.doubleValue(), xUlpDbl / k));
                for (int i = 1;; i++) {
                    /* TBD: at which precision will 2*i or 2*i+1 overflow?
                     */
                    ifac = ifac.multiply(new BigInteger("" + (2 * i)));
                    ifac = ifac.multiply(new BigInteger("" + (2 * i + 1)));
                    xpowi = xpowi.multiply(res).multiply(res).negate();
                    BigDecimal corr = xpowi.divide(new BigDecimal(ifac), mcTay);
                    resul = resul.add(corr);
                    if (corr.abs().doubleValue() < 0.5 * xUlpDbl) {
                        break;
                    }
                }
                /* The error in the result is set by the error in x itself.
                 */
                mc = new MathContext(res.precision());
                return resul.round(mc);
            }
        }
    } /* sin */
}

From source file:fr.bmartel.speedtest.SpeedTestTask.java

/**
 * get a download/upload report./*from w  w w .j  a va 2  s. c om*/
 *
 * @param mode speed test mode requested
 * @return speed test report
 */
public SpeedTestReport getReport(final SpeedTestMode mode) {

    BigDecimal temporaryPacketSize = BigDecimal.ZERO;
    BigDecimal totalPacketSize = BigDecimal.ZERO;

    switch (mode) {
    case DOWNLOAD:
        temporaryPacketSize = new BigDecimal(mDownloadTemporaryPacketSize);
        totalPacketSize = mDownloadPckSize;
        break;
    case UPLOAD:
        temporaryPacketSize = new BigDecimal(mUploadTempFileSize);
        totalPacketSize = mUploadFileSize;
        break;
    default:
        break;
    }

    long currentTime;
    if (mTimeEnd == 0) {
        currentTime = System.currentTimeMillis();
    } else {
        currentTime = mTimeEnd;
    }

    BigDecimal transferRateOps = BigDecimal.ZERO;

    final int scale = mSocketInterface.getDefaultScale();
    final RoundingMode roundingMode = mSocketInterface.getDefaultRoundingMode();

    if (shallCalculateTransferRate(currentTime, mode)) {
        transferRateOps = temporaryPacketSize.divide(new BigDecimal(currentTime - mTimeStart)
                .divide(SpeedTestConst.MILLIS_DIVIDER, scale, roundingMode), scale, roundingMode);
    }

    final BigDecimal transferRateBitps = transferRateOps.multiply(SpeedTestConst.BIT_MULTIPLIER);

    BigDecimal percent = BigDecimal.ZERO;

    SpeedTestReport report;

    if (mRepeatWrapper.isRepeat()) {

        report = mRepeatWrapper.getRepeatReport(scale, roundingMode, mode, currentTime, transferRateOps);

    } else {

        if (totalPacketSize != BigDecimal.ZERO) {

            percent = temporaryPacketSize.multiply(SpeedTestConst.PERCENT_MAX).divide(totalPacketSize, scale,
                    roundingMode);
        }

        report = new SpeedTestReport(mode, percent.floatValue(), mTimeStart, currentTime,
                temporaryPacketSize.longValueExact(), totalPacketSize.longValueExact(), transferRateOps,
                transferRateBitps, 1);
    }
    return report;
}

From source file:org.kuali.ole.select.businessobject.OleInvoiceItem.java

public BigDecimal calculateItemExtendedPrice() {
    BigDecimal extendedPrice = BigDecimal.ZERO;
    BigDecimal itemUnitPrice = getItemUnitPrice();
    if (ObjectUtils.isNotNull(itemUnitPrice)) {
        if (this.getItemType().isAmountBasedGeneralLedgerIndicator()) {
            // SERVICE ITEM: return unit price as extended price
            extendedPrice = itemUnitPrice;
        } else if (ObjectUtils.isNotNull(this.getItemQuantity())) {
            BigDecimal calcExtendedPrice = itemUnitPrice.multiply(this.getItemQuantity().bigDecimalValue());
            // ITEM TYPE (qty driven): return (unitPrice x qty)
            extendedPrice = calcExtendedPrice.setScale(4, KualiDecimal.ROUND_BEHAVIOR);
        }//  w w w .j  a v  a 2 s. co m
    }
    return extendedPrice;
}

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

protected void prepareVkPreis(HashMap hmRabattsatzFixpreis, HashMap hmPreisbasis, Object[] source,
        Object[] target) {/*ww  w .jav a2 s .c  o 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;
}