Java BigDecimal Min minValue(BigDecimal[] bigDecimalNumbers)

Description

min Value

License

Open Source License

Declaration

private static BigDecimal minValue(BigDecimal[] bigDecimalNumbers) 

Method Source Code

//package com.java2s;
/*//  www . j a  va2s.  c om
 Copyright 2008-2010 Gephi
 Authors : Eduardo Ramos <eduramiba@gmail.com>
 Website : http://www.gephi.org

 This file is part of Gephi.

 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 Copyright 2011 Gephi Consortium. All rights reserved.

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 or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
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 */

import java.math.BigDecimal;

import java.util.Arrays;
import java.util.Collection;

public class Main {
    /**
     * <p>Get the minimum value of an array of Number elements as a BigDecimal.</p>
     * <p>The elements can't be null.</p>
     * <p>The elements don't need to be sorted.</p>
     * @param numbers Numbers to get min
     * @return Minimum value as a BigDecimal
     */
    public static BigDecimal minValue(Number[] numbers) {
        if (numbers == null || numbers.length == 0) {
            return null;
        }

        BigDecimal[] bigDecimalNumbers = numbersArrayToSortedBigDecimalArray(numbers);
        return bigDecimalNumbers[0];
    }

    /**
     * <p>Get the minimum value of a collection of Number elements as a BigDecimal.</p>
     * <p>The elements can't be null.</p>
     * <p>The elements don't need to be sorted.</p>
     * @param numbers Numbers to get min
     * @return Minimum value as a BigDecimal
     */
    public static BigDecimal minValue(Collection<Number> numbers) {
        return minValue(numbers.toArray(new Number[0]));
    }

    private static BigDecimal minValue(BigDecimal[] bigDecimalNumbers) {
        return bigDecimalNumbers[0];
    }

    /**
     * <p>Takes an array of numbers of any type combination and returns
     * an array with their BigDecimal equivalent numbers.</p>
     * @return BigDecimal array
     */
    public static BigDecimal[] numbersArrayToSortedBigDecimalArray(
            Number[] numbers) {
        if (numbers == null) {
            return null;
        }
        BigDecimal[] result = new BigDecimal[numbers.length];
        Number number;
        for (int i = 0; i < result.length; i++) {
            number = numbers[i];
            if (number != null) {
                result[i] = new BigDecimal(number.toString());
            }
        }
        Arrays.sort(result);
        return result;
    }
}

Related

1. minimum(BigDecimal... values)
2. minus(BigDecimal a, BigDecimal b)
3. minus(BigDecimal decimal)
4. minus(BigDecimal num1, BigDecimal num2)
5. minusMultiply(BigDecimal num)