edu.uci.jforests.util

Class ArraysUtil

java.lang.Object

edu.uci.jforests.util.ArraysUtil

public class ArraysUtil
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ArraysUtil()

Method Summary

Modifier and Type	Method and Description
static int	findIndex(int[] arr, int value, int length)
static int	findMaxIndex(double[] arr)
static int	findMaxIndex(double[] arr, int offset, int length)
static int	findMaxIndex(float[] arr, int offset, int length)
static int	findMaxIndex(int[] arr)
static int	findMaxIndex(int[] arr, int offset, int length)
static int	findMinIndex(double[] arr)
static int	findMinIndex(double[] arr, int offset, int length)
static int	findMinIndex(float[] arr, int offset, int length)
static double	getMax(double[] arr)
static double	getMax(double[] arr, int length)
static double	getMax(double[] arr, int offset, int length)
static double	getMin(double[] arr)
static double	getMin(double[] arr, int length)
static double	getMin(double[] arr, int offset, int length)
static <T> java.util.List<T>	getRandomSubset(java.util.List<T> fullSet, int size, java.util.Random rnd)
static void	increment(double[] arr, double inc)
static void	insertionSort(int[] arr, int length, ScoreBasedComparator comparator)
static void	insertionSort(int[] arr, ScoreBasedComparator comparator)
static double[]	loadDoubleArrayFromLine(java.lang.String line, int partsCount)
static double[][]	loadDoubleMatrixFromLine(java.lang.String line, int rows, int cols)
static int[]	loadIntArrayFromLine(java.lang.String line, int partsCount)
static void	shuffle(int[] list, int len, java.util.Random rnd)
static void	shuffle(int[] list, java.util.Random rnd)
static void	sort(int[] arr, int length, ScoreBasedComparator comparator)
static void	sort(int[] arr, ScoreBasedComparator comparator)
static void	swap(double[] arr, int a, int b)
static void	swap(int[] arr, int a, int b)
static int[]	toArray(java.util.List<java.lang.Integer> list)
static java.lang.String	toTabDelimitedString(double[] arr)
static java.lang.String	toTabDelimitedString(int[] arr)

Methods inherited from class java.lang.Object

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

Constructor Detail

ArraysUtil

public ArraysUtil()

Method Detail

increment

public static void increment(double[] arr,
                             double inc)

findIndex

public static int findIndex(int[] arr,
                            int value,
                            int length)

findMinIndex

public static int findMinIndex(double[] arr,
                               int offset,
                               int length)

findMinIndex

public static int findMinIndex(float[] arr,
                               int offset,
                               int length)

findMinIndex

public static int findMinIndex(double[] arr)

findMaxIndex

public static int findMaxIndex(int[] arr)

findMaxIndex

public static int findMaxIndex(int[] arr,
                               int offset,
                               int length)

findMaxIndex

public static int findMaxIndex(double[] arr)

findMaxIndex

public static int findMaxIndex(double[] arr,
                               int offset,
                               int length)

findMaxIndex

public static int findMaxIndex(float[] arr,
                               int offset,
                               int length)

getMax

public static double getMax(double[] arr,
                            int offset,
                            int length)

getMax

public static double getMax(double[] arr,
                            int length)

getMax

public static double getMax(double[] arr)

getMin

public static double getMin(double[] arr,
                            int offset,
                            int length)

getMin

public static double getMin(double[] arr,
                            int length)

getMin

public static double getMin(double[] arr)

toArray

public static int[] toArray(java.util.List<java.lang.Integer> list)

toTabDelimitedString

public static java.lang.String toTabDelimitedString(double[] arr)

toTabDelimitedString

public static java.lang.String toTabDelimitedString(int[] arr)

getRandomSubset

public static <T> java.util.List<T> getRandomSubset(java.util.List<T> fullSet,
                                                    int size,
                                                    java.util.Random rnd)

insertionSort

public static void insertionSort(int[] arr,
                                 ScoreBasedComparator comparator)

insertionSort

public static void insertionSort(int[] arr,
                                 int length,
                                 ScoreBasedComparator comparator)

sort

public static void sort(int[] arr,
                        ScoreBasedComparator comparator)

sort

public static void sort(int[] arr,
                        int length,
                        ScoreBasedComparator comparator)

loadIntArrayFromLine

public static int[] loadIntArrayFromLine(java.lang.String line,
                                         int partsCount)
                                  throws java.lang.Exception

Throws:

java.lang.Exception

loadDoubleArrayFromLine

public static double[] loadDoubleArrayFromLine(java.lang.String line,
                                               int partsCount)
                                        throws java.lang.Exception

Throws:

java.lang.Exception

loadDoubleMatrixFromLine

public static double[][] loadDoubleMatrixFromLine(java.lang.String line,
                                                  int rows,
                                                  int cols)
                                           throws java.lang.Exception

Throws:

java.lang.Exception

swap

public static void swap(int[] arr,
                        int a,
                        int b)

swap

public static void swap(double[] arr,
                        int a,
                        int b)

shuffle

public static void shuffle(int[] list,
                           java.util.Random rnd)

shuffle

public static void shuffle(int[] list,
                           int len,
                           java.util.Random rnd)