Example usage for java.math BigDecimal setScale

Introduction

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

Prototype

@Deprecated(since = "9")
public BigDecimal setScale(int newScale, int roundingMode)

Source Link

Document

Returns a BigDecimal whose scale is the specified value, and whose unscaled value is determined by multiplying or dividing this BigDecimal 's unscaled value by the appropriate power of ten to maintain its overall value.

Usage

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;/*w  ww .j av a2s .  c  o m*/

    return d;

}

From source file:Main.java

public static float formatFloat(float floatValue, int newScale) {
    BigDecimal b = new BigDecimal(floatValue);
    return b.setScale(newScale, BigDecimal.ROUND_HALF_UP).floatValue();
}

From source file:Main.java

public static String keepNSecimal(String numberStr, int n) {
    double number = Double.parseDouble(numberStr);
    BigDecimal b = new BigDecimal(number);
    String ss = b.setScale(n, BigDecimal.ROUND_HALF_UP).doubleValue() + "";
    int pointIndex = ss.lastIndexOf(".");
    int fractionCount = ss.length() - pointIndex - 1;
    for (int i = 0; i < n - fractionCount; i++) {
        ss += 0;/*from  w  w w  . j a  va  2s.  c  o m*/
    }
    return ss;
}

From source file:Main.java

public static double round(double value, int nDecimals) {
    BigDecimal r = new BigDecimal(value);
    return r.setScale(nDecimals, BigDecimal.ROUND_HALF_UP).doubleValue();
}

From source file:Main.java

public static double round(double unrounded, int precision) {
    BigDecimal bd = new BigDecimal(unrounded);
    BigDecimal rounded = bd.setScale(precision, BigDecimal.ROUND_HALF_DOWN);
    return rounded.doubleValue();
}

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:Main.java

public static double[] round2(double[] doubleRes) {
    double[] result = new double[doubleRes.length];
    for (int i = 0; i < doubleRes.length; i++) {
        BigDecimal bg = new BigDecimal(doubleRes[i]);
        result[i] = bg.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
    }// w  w  w  .  j  av a 2s  .  c om
    return result;
}

From source file:Main.java

@SuppressWarnings("SameParameterValue")
private static double round(double value, int places) {
    if (places < 0) {
        throw new IllegalArgumentException();
    }// w  w w  .  j av  a  2 s  . co m

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

From source file:Main.java

public static double remainder(double v1, double v2) {

    BigDecimal val1 = new BigDecimal(Double.toString(v1 % v2));
    double val = val1.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
    return val;
}

From source file:Main.java

public static double changep2(double i) {
    // TODO Auto-generated method stub
    BigDecimal b = new BigDecimal(i);
    int saveBitNum = 2;
    double c = b.setScale(saveBitNum, BigDecimal.ROUND_HALF_UP).doubleValue();
    return c;//from w  ww .ja va 2s .co m
}