Example usage for java.math BigDecimal BigDecimal

Introduction

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

Prototype

public BigDecimal(long val)

Source Link

Document

Translates a long into a BigDecimal .

Usage

From source file:com.algoTrader.util.RoundUtil.java

public static BigDecimal getBigDecimal(double value) {

    if (!Double.isNaN(value)) {
        BigDecimal decimal = new BigDecimal(value);
        return decimal.setScale(PORTFOLIO_DIGITS, BigDecimal.ROUND_HALF_UP);
    } else {/*  www. j av  a  2  s  .c om*/
        return null;
    }
}

From source file:Main.java

public static String formatBalance(Double balance, String curr) {
    return formatBalance(new BigDecimal(balance), curr);
}

From source file:Main.java

/** Returns Map with total, squaredTotal, count, average, stdDev, maximum; fieldName field in Maps must have type BigDecimal;
 * if count of non-null fields is less than 2 returns null as cannot calculate a standard deviation */
public static Map<String, BigDecimal> stdDevMaxFromMapField(List<Map<String, Object>> dataList,
        String fieldName, BigDecimal stdDevMultiplier) {
    BigDecimal total = BigDecimal.ZERO;
    BigDecimal squaredTotal = BigDecimal.ZERO;
    int count = 0;
    for (Map<String, Object> dataMap : dataList) {
        if (dataMap == null)
            continue;
        BigDecimal value = (BigDecimal) dataMap.get(fieldName);
        if (value == null)
            continue;
        total = total.add(value);/*from ww  w.  j  a  va2  s  .  c  o  m*/
        squaredTotal = squaredTotal.add(value.multiply(value));
        count++;
    }
    if (count < 2)
        return null;

    BigDecimal countBd = new BigDecimal(count);
    BigDecimal average = total.divide(countBd, BigDecimal.ROUND_HALF_UP);
    double totalDouble = total.doubleValue();
    BigDecimal stdDev = new BigDecimal(Math
            .sqrt(Math.abs(squaredTotal.doubleValue() - ((totalDouble * totalDouble) / count)) / (count - 1)));

    Map<String, BigDecimal> retMap = new HashMap<>(6);
    retMap.put("total", total);
    retMap.put("squaredTotal", squaredTotal);
    retMap.put("count", countBd);
    retMap.put("average", average);
    retMap.put("stdDev", stdDev);

    if (stdDevMultiplier != null)
        retMap.put("maximum", average.add(stdDev.multiply(stdDevMultiplier)));

    return retMap;
}

From source file:net.hamnaberg.json.ValueFactory.java

@SuppressWarnings("unchecked")
public static Value createValue(Object value) {
    if (value == null) {
        return ValueImpl.NULL;
    }//from  ww w .  j  a v a  2 s .  c  om
    if (value instanceof Number && !(value instanceof BigDecimal)) {
        value = new BigDecimal(value.toString());
    }
    if (value instanceof Optional) {
        return createValue(((Optional) value).orElse(null));
    }
    if (!checkValue(value)) {
        return new ValueImpl(value.toString());
    }
    return new ValueImpl(value);
}

From source file:com.floreantpos.util.NumberUtil.java

public static double roundToTwoDigit(double value) {
    BigDecimal bd = new BigDecimal(value);
    bd = bd.setScale(2, RoundingMode.HALF_UP);
    return bd.doubleValue();
}

From source file:be.error.rpi.ebus.Support.java

public static String encodeDATA2c(BigDecimal data) {
    return new String(encodeHex(
            encodeInt((short) (data.multiply(new BigDecimal(16)).setScale(0, ROUND_FLOOR).floatValue()))));
}

From source file:ec.edu.distri.clientejava.protocolo.model.Canal.java

public Canal() {
    costo = new BigDecimal(BigInteger.ZERO);
}

From source file:com.yoncabt.ebr.executor.jasper.Convert.java

private static <T> T str2Number(String val, Class<T> valueClass) {
    if (StringUtils.isBlank(val)) {
        return null;
    }/*  w  w  w  .j  av  a2s  . c  o m*/
    if (valueClass == Integer.class) {
        return (T) Integer.valueOf(val);
    }
    if (valueClass == Long.class) {
        return (T) Long.valueOf(val);
    }
    if (valueClass == Short.class) {
        return (T) Short.valueOf(val);
    }
    if (valueClass == Double.class) {
        return (T) Double.valueOf(val);
    }
    if (valueClass == BigDecimal.class) {
        return (T) new BigDecimal(val);
    }
    throw new IllegalArgumentException(val.getClass() + "->" + valueClass.getName());
}

From source file:com.ebay.cloud.cms.service.resources.impl.MetadataValidator.java

public static void validateNumber(Number value, String key) {
    if (value != null) {
        CheckConditions.checkArgument(new BigDecimal(value.toString()).compareTo(BigDecimal.ZERO) > 0,
                "Configuration value must be greater than 0 for configuration item %s!", key);
    }/*from   w  ww  . ja  va  2s .c  o m*/
}

From source file:Main.java

private static BigDecimal getBigDecimal(Object number) {
    BigDecimal num = null;//from  w  w  w  .  j  a  v  a2  s.  c  o m
    if (number instanceof BigDecimal) {
        num = (BigDecimal) number;
    } else {
        num = new BigDecimal(number.toString());
    }
    return num;
}