dk.netarkivet.harvester.datamodel
Class NumberUtils

java.lang.Object
  dk.netarkivet.harvester.datamodel.NumberUtils

public class NumberUtils
extends java.lang.Object

Number related utilities.

Constructor Summary

NumberUtils()

Method Summary

static int	compareInf(long l1, long l2) Compare two given positive longs, with the addition that -1 means infinity.
static long	minInf(long l1, long l2) Return the smallest value of two given positive longs, with the addition that -1 means infinity.
static double[]	toPrimitiveArray(java.util.List<java.lang.Double> list) Converts a list to an array of primitive values.

Methods inherited from class java.lang.Object

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

Constructor Detail

NumberUtils

public NumberUtils()

Method Detail

minInf

public static long minInf(long l1,
                          long l2)

Return the smallest value of two given positive longs, with the addition that -1 means infinity.

Parameters:

l1 - The first value

l2 - The second value

Returns:

Smallest value

compareInf

public static int compareInf(long l1,
                             long l2)

Compare two given positive longs, with the addition that -1 means infinity.

Parameters:

l1 - The first value

l2 - The second value

Returns:

-1 if first value is smallest, 0 if equal, 1 if second value is smallest

toPrimitiveArray

public static final double[] toPrimitiveArray(java.util.List<java.lang.Double> list)

Converts a list to an array of primitive values.

Parameters:

list - the list to convert

Returns:

an array of primitive values