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:Main.java

public static double divide(double v1, double v2, int scale) {
    if (scale < 0) {
        throw new IllegalArgumentException("The scale must be a positive integer or zero");
    }//from   www  .  j a v a2s.c  o  m
    BigDecimal b = new BigDecimal(Double.toString(v1));
    BigDecimal one = new BigDecimal(v2);
    return b.divide(one, scale, BigDecimal.ROUND_HALF_UP).doubleValue();
}

From source file:Main.java

/**
 * // ww w  . java  2 s .c o  m
 * <p>
 * newScale scale of the result returned. (1)
 * <p>
 * roundingMode rounding mode to be used to round the result.(ROUND_HALF_UP)
 * 
 * @param value
 * @return BigDecimal
 */
public static BigDecimal convertAccuracy(Float value) {

    final String tmp;
    if (value == null) {
        tmp = new String("0");
    } else {
        tmp = String.valueOf(value);
    }
    return new BigDecimal(tmp).setScale(1, BigDecimal.ROUND_HALF_UP);

}

From source file:Main.java

public static String getNormal(String txamt) {
    String str = txamt;/*from   ww w  . jav  a 2 s. c o  m*/
    if (str != null) {
        try {
            String sum = "";
            int index = 0;
            char c = str.charAt(index);
            while (c == '0') {
                index++;
                c = str.charAt(index);
            }
            sum = str.substring(index);
            double i = Double.parseDouble(sum);
            i = i / 100;
            BigDecimal bg = new BigDecimal(i);
            double j = bg.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
            sum = "" + j;
            return sum;

        } catch (Exception e) {

            e.printStackTrace();
        }
    }
    return null;
}

From source file:Main.java

public static Double div(Double v1, Double v2, int scale) {
    if (scale < 0) {
        throw new IllegalArgumentException("The scale must be a positive integer or zero");
    }/* w  ww  .j a  v  a2  s  . c o  m*/
    BigDecimal b1 = new BigDecimal(v1.toString());
    BigDecimal b2 = new BigDecimal(v2.toString());
    return Double.valueOf(b1.divide(b2, scale, BigDecimal.ROUND_HALF_UP).doubleValue());
}

From source file:Main.java

public static BigDecimal avg(final List<BigDecimal> list) {
    return list.size() > 0 ? sum(list).setScale(10, RoundingMode.HALF_UP).divide(new BigDecimal(list.size()),
            RoundingMode.HALF_UP) : BigDecimal.ZERO;
}

From source file:Main.java

public static double mul(double v1, double v2) {
    BigDecimal b1 = new BigDecimal(Double.toString(v1));
    BigDecimal b2 = new BigDecimal(Double.toString(v2));
    return b1.multiply(b2).setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
}

From source file:Main.java

public static double add(double v1, double v2) {
    BigDecimal b1 = new BigDecimal(Double.toString(v1));
    BigDecimal b2 = new BigDecimal(Double.toString(v2));
    return b1.add(b2).setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
}

From source file:Main.java

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).setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
}

From source file:Main.java

public static String convertOneDecimal(double price) {
    BigDecimal decimal = new BigDecimal(price);
    return decimal.setScale(1, BigDecimal.ROUND_HALF_UP).toString();
}

From source file:Main.java

public static String convertTwoDecimal(double price) {
    BigDecimal decimal = new BigDecimal(price);
    return decimal.setScale(2, BigDecimal.ROUND_HALF_UP).toString();
}