2 * Jalview - A Sequence Alignment Editor and Viewer
3 * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
21 public class QuickSort
23 public static void sort(float[] arr, Object[] s)
25 sort(arr, 0, arr.length - 1, s);
28 public static void sort(String[] arr, Object[] s)
30 stringSort(arr, 0, arr.length - 1, s);
33 public static void stringSort(String[] arr, int p, int r, Object[] s)
39 q = stringPartition(arr, p, r, s);
40 stringSort(arr, p, q, s);
41 stringSort(arr, q + 1, r, s);
45 public static void sort(float[] arr, int p, int r, Object[] s)
51 q = partition(arr, p, r, s);
53 sort(arr, q + 1, r, s);
57 private static int partition(float[] arr, int p, int r, Object[] s)
94 private static int stringPartition(String[] arr, int p, int r, Object[] s)
106 while (arr[j].compareTo(x) < 0);
112 while (arr[i].compareTo(x) > 0);