Example usage for org.apache.commons.lang.math NumberRange NumberRange

Introduction

In this page you can find the example usage for org.apache.commons.lang.math NumberRange NumberRange.

Prototype

public NumberRange(Number num) 

Source Link

Document

Constructs a new NumberRange using the specified number as both the minimum and maximum in this range.

Usage

From source file:au.org.ala.delta.model.NumericRange.java

private Range createRangeForSingleValue(Number value) {

    if ((_absoluteError == null) && (_percentageError == null)) {
        return new NumberRange(value);
    }//w  w w  .  jav a  2 s.  com
    double val = value.doubleValue();
    if (_absoluteError != null) {
        return new NumberRange(val - _absoluteError, val + _absoluteError);
    } else {
        double lower = 100 * val / (100 + _percentageError);
        double upper = val * (100 + _percentageError) / 100;
        return new NumberRange(lower, upper);
    }
}

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From source file:au.org.ala.delta.editor.slotfile.model.VOAttributeAdaptor.java

private void addNumericRange(List<NumericRange> ranges, NumericRange range, List<Number> numbers) {
    if (!range.hasExtremeHigh() && !range.hasExtremeLow() && numbers.isEmpty()) {
        return;// w  ww. ja v  a2  s  .  co m
    }

    if (numbers.size() == 1) {
        range.setRange(new NumberRange(numbers.get(0)));
    } else if (numbers.size() == 2) {
        range.setRange(new NumberRange(numbers.get(0), numbers.get(1)));
    } else if (numbers.size() == 3) {
        range.setRange(new NumberRange(numbers.get(0), numbers.get(2)));
        range.setMiddle(numbers.get(1));
    }
    ranges.add(range);
}

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From source file:se.crafted.chrisb.ecoCreature.drops.categories.AbstractDropCategory.java

private static NumberRange parseRange(String dropString) {
    NumberRange range = new NumberRange(1);

    String[] dropParts = dropString.split(":");

    if (dropParts.length > 1) {
        String[] rangeParts = dropParts[1].split("-");

        if (rangeParts.length == 2) {
            range = new NumberRange(Integer.parseInt(rangeParts[0]), Integer.parseInt(rangeParts[1]));
        } else {// w w w.  j a  v a 2s.c  o m
            range = new NumberRange(0, Integer.parseInt(dropParts[1]));
        }
    }

    return range;
}

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From source file:se.crafted.chrisb.ecoCreature.drops.chances.AbstractChance.java

public AbstractChance() {
    range = new NumberRange(1);
    percentage = 100.0D;
    random = new Random();
}

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From source file:se.crafted.chrisb.ecoCreature.drops.chances.ChanceTest.java

@Test
public void testNextWinner() {
    Number samples = 100000;/*from  ww  w.  ja  v a2 s  .com*/
    Number percent = 3;

    Chance chance = new TestChance(new NumberRange(1), percent.doubleValue());
    for (int i = 0; i < 10; i++) {
        double winnerCount = 0;
        for (int j = 0; j < samples.intValue(); j++) {
            if (chance.nextWinner()) {
                winnerCount++;
            }
        }
        double idealChance = winnerCount / samples.doubleValue();
        double delta = Math.abs(percent.doubleValue() / 100D - idealChance);
        Assert.assertTrue(delta < 0.01);
    }
}

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From source file:se.crafted.chrisb.ecoCreature.drops.chances.ItemChanceTest.java

@Test
public void testItemDrop() {
    Number samples = 1000000;/*from   w w  w . j a v a 2s.  c  om*/
    ItemChance chance = new ItemChance(Material.GHAST_TEAR);
    chance.setRange(new NumberRange(1));
    chance.setPercentage(20);
    chance.setFixedAmount(false);
    int amount = 0;

    for (int i = 0; i < samples.intValue(); i++) {
        ItemStack stack = chance.nextItemStack(0);
        if (stack.getAmount() < 1) {
            continue;
        }
        amount += stack.getAmount();
    }

    double idealChance = amount / samples.doubleValue();
    double delta = Math.abs(chance.getChance() - idealChance);
    Assert.assertTrue(delta < 0.01);
}

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