|
1
|
/**
|
|
2
|
* Copyright (C) 2020 EDIT
|
|
3
|
* European Distributed Institute of Taxonomy
|
|
4
|
* http://www.e-taxonomy.eu
|
|
5
|
*
|
|
6
|
* The contents of this file are subject to the Mozilla Public License Version 1.1
|
|
7
|
* See LICENSE.TXT at the top of this package for the full license terms.
|
|
8
|
*/
|
|
9
|
package eu.etaxonomy.cdm.common;
|
|
10
|
|
|
11
|
import java.math.BigDecimal;
|
|
12
|
import java.math.RoundingMode;
|
|
13
|
import java.util.Set;
|
|
14
|
|
|
15
|
/**
|
|
16
|
* @author a.mueller
|
|
17
|
* @since 25.04.2020
|
|
18
|
*/
|
|
19
|
public final class BigDecimalUtil {
|
|
20
|
|
|
21
|
public static final BigDecimal MAX_BIGDECIMAL = BigDecimal.valueOf(Double.MAX_VALUE);
|
|
22
|
|
|
23
|
public static final BigDecimal MIN_BIGDECIMAL = BigDecimal.valueOf(Double.MIN_VALUE);
|
|
24
|
|
|
25
|
public static BigDecimal average(Set<BigDecimal> bigDecimals) {
|
|
26
|
BigDecimal sum = BigDecimal.ZERO;
|
|
27
|
int count=0;
|
|
28
|
for(BigDecimal bigDecimal : bigDecimals) {
|
|
29
|
if(null != bigDecimal) {
|
|
30
|
sum = sum.add(bigDecimal);
|
|
31
|
count++;
|
|
32
|
}
|
|
33
|
}
|
|
34
|
return sum.divide(new BigDecimal(count), RoundingMode.HALF_EVEN);
|
|
35
|
}
|
|
36
|
}
|