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:org.fede.calculator.service.InvestmentServiceImpl.java

private static BigDecimal pctChange(BigDecimal now, BigDecimal then) {
    if (then.signum() == 0) {
        return ONE;
    }//  w  w  w  . j a  va  2s .c om
    return now.subtract(then).divide(then, CONTEXT);
}

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From source file:Main.java

public static Duration subtract(XMLGregorianCalendar x1, XMLGregorianCalendar x2) {
    boolean positive = x1.compare(x2) >= 0;

    if (!positive) {
        XMLGregorianCalendar temp = x1;
        x1 = x2;/*ww w.j a v  a  2 s . c  om*/
        x2 = temp;
    }

    BigDecimal s1 = getSeconds(x1);
    BigDecimal s2 = getSeconds(x2);
    BigDecimal seconds = s1.subtract(s2);
    if (seconds.compareTo(BigDecimal.ZERO) < 0)
        seconds = seconds.add(BigDecimal.valueOf(60));

    GregorianCalendar g1 = x1.toGregorianCalendar();
    GregorianCalendar g2 = x2.toGregorianCalendar();

    int year = 0;
    for (int f : reverseFields) {
        if (f == Calendar.YEAR) {
            int year1 = g1.get(f);
            int year2 = g2.get(f);
            year = year1 - year2;
        } else {
            subtractField(g1, g2, f);
        }
    }

    return FACTORY.newDuration(positive, BigInteger.valueOf(year), BigInteger.valueOf(g1.get(Calendar.MONTH)),
            BigInteger.valueOf(g1.get(Calendar.DAY_OF_MONTH) - 1),
            BigInteger.valueOf(g1.get(Calendar.HOUR_OF_DAY)), BigInteger.valueOf(g1.get(Calendar.MINUTE)),
            seconds);
}

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From source file:Main.java

/**
 * Subtract one positive Duration from another, larger positive Duration.
 * @param d1 The larger positive duration
 * @param d2 The smaller positive duration
 * @return The difference/*  w  w w. j  a v a2  s  .  c o m*/
 */
private static Duration subtractSmallerPositiveDurationFromLargerPositiveDuration(Duration d1, Duration d2) {
    BigDecimal s1 = fractionalSeconds(d1);
    BigDecimal s2 = fractionalSeconds(d2);
    BigDecimal extraSeconds = s1.subtract(s2);

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

    Duration stripResult = strip1.subtract(strip2);

    if (extraSeconds.compareTo(BigDecimal.ZERO) < 0) {
        stripResult = stripResult.subtract(DURATION_1_SECOND);
        extraSeconds = extraSeconds.add(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.springframework.data.simpledb.attributeutil.AmazonSimpleDBUtil.java

public static BigDecimal decodeRealNumberRange(String value, int maxDigitsRight, BigDecimal offsetValue) {
    BigDecimal offsetNumber = new BigDecimal(value);
    BigDecimal shiftMultiplier = new BigDecimal(Math.pow(BASE, maxDigitsRight));
    BigDecimal tempVal0 = offsetValue.multiply(shiftMultiplier);
    BigDecimal tempVal = (offsetNumber.subtract(tempVal0));
    return (tempVal.divide(shiftMultiplier));
}

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From source file:org.egov.infra.gis.service.GeoLocationService.java

/**
 * //  ww  w . j a  v a 2s. c  o  m
 * @param wardWiseData Map<String, Integer>- Map having the key as the ward number and value as the no of complaints/properties/assets
 *    in that ward. e.g [<Ward Number>,<no Of Complaints/assets/properties> ]
 * 
 * @param colorCodes Map<Integer,String> - Map having colour codes , the key as the the colour priority and value as the colour 
 * code in RGB format. e.g - key = 1 , means the associated colour to represent the ward having  no of complaints/assets/properties
 * that falls in highest range , key = 2 means associated colour to represent ward having  no of complaints/assets/properties
 * that falls in the 2nd highest range and so on.
 * example :  (1, "FF0000");
 *           (2, "8968CD");
 *            (3, "FFA500");
 *            (4, "4169E1");
 *            (5, "008B00");
 */

public static void setKmlDataToCacheAndRequest(Map<String, BigDecimal> wardWiseData,
        Map<Integer, String> colorCodes, String kmlPath, HttpServletRequest request) {

    LOGGER.debug("GeoLocationService | setKmlDataToCacheAndRequest | Start");

    int totalNoOfColors = colorCodes.size();
    BigDecimal wardDataMinAmount = Collections.min(wardWiseData.values()).setScale(0, BigDecimal.ROUND_HALF_UP); // to hold the minimum amount in all the wards.
    BigDecimal wardDataMaxAmount = Collections.max(wardWiseData.values()).setScale(0, BigDecimal.ROUND_HALF_UP); // to hold the maximum amount in all the wards.
    if ((wardDataMaxAmount.subtract(wardDataMinAmount)).compareTo(BigDecimal.valueOf(totalNoOfColors)) == -1) {
        throw new ValidationException(Arrays.asList(new ValidationError("colorrange",
                "no of colors supplied is more than the range of data " + "in the wards")));
    }

    BigDecimal rangeSize = getRangeSize(wardDataMinAmount, wardDataMaxAmount, totalNoOfColors);

    GeoKmlInfo geoKmlInfo = new GeoKmlInfo();
    Map<String, String> wardWiseKmlColorStyle = new HashMap<String, String>();

    for (Map.Entry<String, BigDecimal> entry : wardWiseData.entrySet()) {
        wardWiseKmlColorStyle.put("style" + entry.getKey(),
                getStyleColorName(entry.getValue(), wardDataMinAmount, totalNoOfColors, rangeSize));
    }

    geoKmlInfo.setWardWiseColor(wardWiseKmlColorStyle);
    geoKmlInfo.setColorCodes(convertToKmlColor(colorCodes));

    request.setAttribute(GeoLocationConstants.KML_DATA_MODEL_JBOSS_CACHE_KEY_NAME,
            putKmlDataToCache(geoKmlInfo));
    request.setAttribute(GeoLocationConstants.COLOR_CODE_AND_RANGE_MAP_NAME,
            getColorRange(wardDataMinAmount, wardDataMaxAmount, rangeSize, colorCodes));
    if (null != kmlPath && StringUtils.isNotEmpty(kmlPath)) {
        request.setAttribute(GeoLocationConstants.KML_URL_PATH_REQ_ATTR_NAME, kmlPath);
    }

    LOGGER.debug("GeoLocationService | setKmlDataToCacheAndRequest | End");

}

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From source file:org.egov.infra.gis.service.GeoLocationService.java

private static String getStyleColorName(BigDecimal wardWiseNos, BigDecimal wardDataMinAmount,
        Integer totalNoOfColors, BigDecimal rangeSize) {

    return "#color" + (BigDecimal.valueOf(totalNoOfColors)
            .subtract((wardWiseNos.subtract(wardDataMinAmount).subtract(BigDecimal.ONE)).divide(rangeSize, 0,
                    BigDecimal.ROUND_DOWN)));

}

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From source file:org.fede.calculator.service.InvestmentServiceImpl.java

private static BigDecimal savingsPct(BigDecimal savingsNow, BigDecimal savingsThen, BigDecimal avgIncome) {
    if (savingsNow.compareTo(savingsThen) == 0) {
        return ZERO;
    }/*w w w .j a v  a2  s.c om*/
    return savingsNow.subtract(savingsThen).divide(avgIncome, CONTEXT);
}

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From source file:com.spaceprogram.simplejpa.util.AmazonSimpleDBUtil.java

public static BigDecimal decodeRealNumberRange(String value, int maxDigitsRight, BigDecimal offsetValue) {
    BigDecimal offsetNumber = new BigDecimal(value);
    BigDecimal shiftMultiplier = new BigDecimal(Math.pow(10, maxDigitsRight));
    BigDecimal tempVal0 = offsetValue.multiply(shiftMultiplier);
    //        System.out.println("tempVal0=" + tempVal0);
    BigDecimal tempVal = (offsetNumber.subtract(tempVal0));
    //        System.out.println("tempVal=" + tempVal);
    return (tempVal.divide(shiftMultiplier));
}

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From source file:com.whatlookingfor.common.utils.StringUtils.java

/**
 * ????//from  w  w w. ja  v a 2 s .c  o  m
 *
 * @param v1 ?
 * @param v2 ?
 * @return ?
 */

public static double sub(double v1, double v2) {
    BigDecimal b1 = new BigDecimal(Double.toString(v1));
    BigDecimal b2 = new BigDecimal(Double.toString(v2));
    return b1.subtract(b2).doubleValue();
}

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

public static Timestamp doubleToTimestamp(double f) {
    long seconds = (long) f;

    // We must ensure the exactness of the double's fractional portion.
    // 0.6 as the fraction part will be converted to 0.59999... and
    // significantly reduce the savings from binary serializtion
    BigDecimal bd = new BigDecimal(String.valueOf(f));
    bd = bd.subtract(new BigDecimal(seconds)).multiply(new BigDecimal(1000000000));
    int nanos = bd.intValue();

    // Convert to millis
    long millis = seconds * 1000;
    Timestamp t = new Timestamp(millis);

    // Set remaining fractional portion to nanos
    t.setNanos(nanos);/*from w w  w. java 2  s. c om*/
    return t;
}

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