org.apfloat.internal

Class LongScramble

java.lang.Object

org.apfloat.internal.LongScramble

public class LongScramble
extends Object

Functions to perform bit-reverse ordering of long data.

Version:

1.0

Author:

Mikko Tommila

Method Summary

Modifier and Type	Method and Description
static void	scramble(long[] data, int offset, int[] permutationTable) Permute the data in the table to bit-reversed order.

Methods inherited from class java.lang.Object

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

Method Detail

scramble

public static void scramble(long[] data,
                            int offset,
                            int[] permutationTable)

Permute the data in the table to bit-reversed order.

The permutation table argument should contain pairs of indexes that indicate array elements whose contents are swapped.

Parameters:

data - The array to permute.

offset - The offset within the array to permute.

permutationTable - Table of indexes indicating, which elements in the data are to be swapped.