weka.intPermutation

Class IntPermutationOperator

java.lang.Object

weka.intPermutation.IntPermutationOperator

public class IntPermutationOperator
extends Object

Operates on permutations of string of positive integer numbers The zero permutation is: min,min+1,min+2,...,max

Since:

1.1.0

Version:

1.1.0

Author:

pawel trajdos

Constructor Summary

Constructors

Constructor and Description
IntPermutationOperator()

Method Summary

Modifier and Type	Method and Description
static boolean	areConsistent(int[] perm1, int[] perm2)
static int[]	genPermutation(int minValue, int length) Generates a sequence of given length starting from minValue
static int[]	genPermutation(int minValue, int maxValue, boolean dummmy) Generates base permutation: minValue, minValue+1, ...
static boolean	isCorrect(int[] perm)
static void	printPermutation(int[] permuatation)
static void	printPermutation(int[] permuatation, BufferedWriter outStream)
static int[]	reversePermutation(int[] permutation)
static int[]	shufflePermutation(int[] permutation, int seed)

Methods inherited from class java.lang.Object

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

Constructor Detail

IntPermutationOperator

public IntPermutationOperator()

Method Detail

isCorrect

public static boolean isCorrect(int[] perm)

areConsistent

public static boolean areConsistent(int[] perm1,
                                    int[] perm2)

genPermutation

public static int[] genPermutation(int minValue,
                                   int maxValue,
                                   boolean dummmy)
                            throws IllegalArgumentException

Generates base permutation: minValue, minValue+1, ...,maxValue;

Parameters:

minValue -

maxValue -

Returns:

generated permuatation

Throws:

IllegalArgumentException - if minValue>= maxValue

genPermutation

public static int[] genPermutation(int minValue,
                                   int length)
                            throws IllegalArgumentException

Generates a sequence of given length starting from minValue

Parameters:

minValue -

length -

Returns:

permutation

Throws:

IllegalArgumentException - if length is equal or les than zero

reversePermutation

public static int[] reversePermutation(int[] permutation)

shufflePermutation

public static int[] shufflePermutation(int[] permutation,
                                       int seed)

printPermutation

public static void printPermutation(int[] permuatation,
                                    BufferedWriter outStream)
                             throws IOException

Throws:

IOException

printPermutation

public static void printPermutation(int[] permuatation)