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 mul(double v1, double v2) {
    BigDecimal a = new BigDecimal(v1);
    BigDecimal b = new BigDecimal(v2);
    BigDecimal c = a.multiply(b);
    return c.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
}

From source file:Main.java

public static Integer processCurreny(String value) {
    BigDecimal bd = new BigDecimal(value);
    bd.setScale(2, BigDecimal.ROUND_HALF_UP);
    bd = bd.multiply(new BigDecimal(100));
    return bd.intValue();
}

From source file:Main.java

public static double byteCastMB(long number) {
    double n = number / 1024.0 / 1024.0;
    BigDecimal bd = new BigDecimal(n);
    bd = bd.setScale(2, BigDecimal.ROUND_HALF_UP);
    return bd.doubleValue();
}

From source file:Main.java

public static double changeDouble(double dbl, int count) {
    BigDecimal b = new BigDecimal(dbl);
    return b.setScale(count, BigDecimal.ROUND_HALF_UP).doubleValue();
}

From source file:Main.java

public static double keepThreePlacesOfDecimal(double number) {
    BigDecimal b = new BigDecimal(number);
    return b.setScale(3, BigDecimal.ROUND_HALF_UP).doubleValue();
}

From source file:Main.java

public static double retainDecimal(int decimalNumber, double value) {
    BigDecimal bg = new BigDecimal(value);
    return bg.setScale(decimalNumber, BigDecimal.ROUND_HALF_UP).doubleValue();

}

From source file:Main.java

public static double round(double value, int places) {

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

From source file:Main.java

public static double roundDouble(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 a va  2  s .  co  m
    return d;
}

From source file:Main.java

public static BigDecimal redondear(double f, int scale) {
    String val = f + "";
    BigDecimal big = new BigDecimal(val);
    big = big.setScale(scale, RoundingMode.HALF_UP);

    return big;/*from  w ww . j a  v a2s .c o m*/
}

From source file:Main.java

private 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();
}