Example usage for java.math BigDecimal doubleValue

Introduction

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

Prototype

@Override
public double doubleValue()

Source Link

Document

Converts this BigDecimal to a double .

Usage

From source file:Main.java

/**
 * Round double value with low error// w  w  w .j av  a2s.co  m
 *
 * @param value  Value
 * @param places decimal
 * @return double
 */
static double round(double value, int places) {
    // check if places below 0
    places = Math.max(0, places);
    BigDecimal bd = new BigDecimal(value);
    bd = bd.setScale(places, RoundingMode.HALF_UP);
    return bd.doubleValue();
}

From source file:Main.java

/**
 * Rounds a double via passed in amount and places
 * @param value/*from   w w  w  .j a  va2 s.  c om*/
 * @param places
 * @return
 */
public static double round(double value, int places) {
    if (places < 0)
        throw new IllegalArgumentException();

    BigDecimal bd = new BigDecimal(value);
    bd = bd.setScale(places, RoundingMode.HALF_UP);
    return bd.doubleValue();
}

From source file:Main.java

public static double round(double value, int scale, int roundingMode) {

    BigDecimal bd = new BigDecimal(value);

    bd = bd.setScale(scale, roundingMode);

    double d = bd.doubleValue();

    bd = null;/*from  w  w  w. j ava2  s.  c o m*/

    return d;

}

From source file:Main.java

/**
 * Rounds a double up via passed in amount and places
 * @param value//from   ww  w .  j a v  a 2s.c  o  m
 * @param places
 * @return
 */
public static double roundUp(double value, int places) {
    if (places < 0)
        throw new IllegalArgumentException();

    BigDecimal bd = new BigDecimal(value);
    bd = bd.setScale(places, RoundingMode.CEILING);
    return bd.doubleValue();
}

From source file:Main.java

public static Object round(Object value, int places) {
    // if (places < 0) throw new IllegalArgumentException();
    if (places < 0 || !(value instanceof Double)) {
        return value;
    }/*from www .j  a  v a 2  s.co m*/
    BigDecimal bd = new BigDecimal((Double) value);
    bd = bd.setScale(places, BigDecimal.ROUND_HALF_UP);
    return bd.doubleValue();
}

From source file:Main.java

public static double round(double d, int decimalPlace) {
    // see the Javadoc about why we use a String in the constructor
    // http://java.sun.com/j2se/1.5.0/docs/api/java/math/BigDecimal.html#BigDecimal(double)
    BigDecimal bd = new BigDecimal(Double.toString(d));
    bd = bd.setScale(decimalPlace, BigDecimal.ROUND_HALF_UP);
    return bd.doubleValue();
}

From source file:Main.java

@SuppressWarnings("SameParameterValue")
private static double round(double value, int places) {
    if (places < 0) {
        throw new IllegalArgumentException();
    }/*from   w ww  .j  ava2 s  . co m*/

    BigDecimal bd = new BigDecimal(value);
    bd = bd.setScale(places, RoundingMode.HALF_UP);
    return bd.doubleValue();
}

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

public static BigDecimal roundToNextN(BigDecimal value, double n) {

    return RoundUtil.getBigDecimal(roundToNextN(value.doubleValue(), n), getDigits(n));
}

From source file:Main.java

public static double transformTwoDecimalDoubleNumber(double number) {
    BigDecimal bigD = new BigDecimal(number);
    bigD = bigD.setScale(decimalPlaces, BigDecimal.ROUND_HALF_UP);
    return bigD.doubleValue();
}

From source file:ch.algotrader.util.RoundUtil.java

public static BigDecimal roundToNextN(BigDecimal value, BigDecimal n) {

    return RoundUtil.getBigDecimal(roundToNextN(value.doubleValue(), n.doubleValue()), getDigits(n));
}