xxl.util
Class Math

java.lang.Object
  |
  +--xxl.util.Math

public class Math

extends java.lang.Object

Inner Class Summary

protected static class

Math.Wrapper

Field Summary

static int

REFERENCE_MEM_SIZE

Constructor Summary

Math()

Method Summary

static int	ceil(int i, int base)
static int	floor(int i, int base)
static int	getObjectSize(java.lang.Object object)
protected static int	getObjectSize(java.lang.Object object, java.lang.Class cl, java.util.Set hs)
static java.lang.Object	max(java.lang.Object o1, java.lang.Object o2)
static java.lang.Object	max(java.lang.Object o1, java.lang.Object o2, java.util.Comparator comparator)
static java.lang.Object	medianOfThree(Array array, java.util.Comparator comparator)
static java.lang.Object	medianOfThree(java.lang.Object[] array, java.util.Comparator comparator)
static java.lang.Object	medianOfThree(java.lang.Object a, java.lang.Object b, java.lang.Object c, java.util.Comparator comparator)
static java.lang.Object	min(java.lang.Object o1, java.lang.Object o2)
static java.lang.Object	min(java.lang.Object o1, java.lang.Object o2, java.util.Comparator comparator)
static int	signum(double d)
static int	signum(long i)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

REFERENCE_MEM_SIZE

public static final int REFERENCE_MEM_SIZE

Constructor Detail

Math

public Math()

Method Detail

getObjectSize

public static int getObjectSize(java.lang.Object object)
                         throws java.lang.IllegalAccessException

getObjectSize

protected static int getObjectSize(java.lang.Object object,
                                   java.lang.Class cl,
                                   java.util.Set hs)
                            throws java.lang.IllegalAccessException

ceil

public static final int ceil(int i,
                             int base)

floor

public static final int floor(int i,
                              int base)

signum

public static final int signum(double d)

signum

public static final int signum(long i)

min

public static final java.lang.Object min(java.lang.Object o1,
                                         java.lang.Object o2,
                                         java.util.Comparator comparator)

min

public static final java.lang.Object min(java.lang.Object o1,
                                         java.lang.Object o2)

max

public static final java.lang.Object max(java.lang.Object o1,
                                         java.lang.Object o2,
                                         java.util.Comparator comparator)

max

public static final java.lang.Object max(java.lang.Object o1,
                                         java.lang.Object o2)

medianOfThree

public static final java.lang.Object medianOfThree(java.lang.Object a,
                                                   java.lang.Object b,
                                                   java.lang.Object c,
                                                   java.util.Comparator comparator)

medianOfThree

public static final java.lang.Object medianOfThree(java.lang.Object[] array,
                                                   java.util.Comparator comparator)

medianOfThree

public static final java.lang.Object medianOfThree(Array array,
                                                   java.util.Comparator comparator)