Java Array Permute permuteArray(int[] array, Integer[] permutation)

Description

permute Array

License

Open Source License

Declaration

public static int[] permuteArray(int[] array, Integer[] permutation) 

Method Source Code

//package com.java2s;
/*/*from ww  w. j  a v a  2 s. c om*/
 * Copyright (c) 2010 The Broad Institute
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

public class Main {
    public static int[] permuteArray(int[] array, Integer[] permutation) {
        int[] output = new int[array.length];
        for (int i = 0; i < output.length; i++) {
            output[i] = array[permutation[i]];
        }
        return output;
    }

    public static double[] permuteArray(double[] array, Integer[] permutation) {
        double[] output = new double[array.length];
        for (int i = 0; i < output.length; i++) {
            output[i] = array[permutation[i]];
        }
        return output;
    }

    public static Object[] permuteArray(Object[] array, Integer[] permutation) {
        Object[] output = new Object[array.length];
        for (int i = 0; i < output.length; i++) {
            output[i] = array[permutation[i]];
        }
        return output;
    }

    public static String[] permuteArray(String[] array, Integer[] permutation) {
        String[] output = new String[array.length];
        for (int i = 0; i < output.length; i++) {
            output[i] = array[permutation[i]];
        }
        return output;
    }
}

Related

1. permute(int[] in, int[] idx)
2. permute(int[] p, Object[] data, boolean clone)
3. permute(String str, int startIndex, int endIndex)
4. permute(T[] array)
5. permute(T[] values)
6. permuteCols(double[][] ary, int[] idx)
7. permuteList(List inList)
8. permuteRows(double[][] ary, int[] idx)
9. permuteVector(float[] indexVector, int rotation)