X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FQuickSort.java;h=1e3e5c1ea0b41ecdc0f3bf404682f613716c8371;hb=153dd62dc91da13ae732600e6ea55ddbe15eab39;hp=f32ff7c03f6e68e5c16970c572b4f43581fb6dc7;hpb=174230b4233d9ce80f94527768d2cd2f76da11ab;p=jalview.git diff --git a/src/jalview/util/QuickSort.java b/src/jalview/util/QuickSort.java index f32ff7c..1e3e5c1 100755 --- a/src/jalview/util/QuickSort.java +++ b/src/jalview/util/QuickSort.java @@ -1,130 +1,229 @@ -/* - * Jalview - A Sequence Alignment Editor and Viewer - * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA - */ -package jalview.util; - -public class QuickSort -{ - public static void sort(float[] arr, Object[] s) - { - sort(arr, 0, arr.length - 1, s); - } - - public static void sort(String[] arr, Object[] s) - { - stringSort(arr, 0, arr.length - 1, s); - } - - public static void stringSort(String[] arr, int p, int r, Object[] s) - { - int q; - - if (p < r) - { - q = stringPartition(arr, p, r, s); - stringSort(arr, p, q, s); - stringSort(arr, q + 1, r, s); - } - } - - public static void sort(float[] arr, int p, int r, Object[] s) - { - int q; - - if (p < r) - { - q = partition(arr, p, r, s); - sort(arr, p, q, s); - sort(arr, q + 1, r, s); - } - } - - private static int partition(float[] arr, int p, int r, Object[] s) - { - float x = arr[p]; - int i = p - 1; - int j = r + 1; - - while (true) - { - do - { - j = j - 1; - } - while (arr[j] > x); - - do - { - i = i + 1; - } - while (arr[i] < x); - - if (i < j) - { - float tmp = arr[i]; - arr[i] = arr[j]; - arr[j] = tmp; - - Object tmp2 = s[i]; - s[i] = s[j]; - s[j] = tmp2; - } - else - { - return j; - } - } - } - - private static int stringPartition(String[] arr, int p, int r, Object[] s) - { - String x = arr[p]; - int i = p - 1; - int j = r + 1; - - while (true) - { - do - { - j = j - 1; - } - while (arr[j].compareTo(x) < 0); - - do - { - i = i + 1; - } - while (arr[i].compareTo(x) > 0); - - if (i < j) - { - String tmp = arr[i]; - arr[i] = arr[j]; - arr[j] = tmp; - - Object tmp2 = s[i]; - s[i] = s[j]; - s[j] = tmp2; - } - else - { - return j; - } - } - } -} +/* + * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6) + * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle + * + * This file is part of Jalview. + * + * Jalview is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. + * + * Jalview is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR + * PURPOSE. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with Jalview. If not, see . + */ +package jalview.util; + +public class QuickSort +{ + public static void sort(int[] arr, Object[] s) + { + sort(arr, 0, arr.length - 1, s); + } + + public static void sort(float[] arr, Object[] s) + { + sort(arr, 0, arr.length - 1, s); + } + + public static void sort(double[] arr, Object[] s) + { + sort(arr, 0, arr.length - 1, s); + } + + public static void sort(String[] arr, Object[] s) + { + stringSort(arr, 0, arr.length - 1, s); + } + + public static void stringSort(String[] arr, int p, int r, Object[] s) + { + int q; + + if (p < r) + { + q = stringPartition(arr, p, r, s); + stringSort(arr, p, q, s); + stringSort(arr, q + 1, r, s); + } + } + + public static void sort(float[] arr, int p, int r, Object[] s) + { + int q; + + if (p < r) + { + q = partition(arr, p, r, s); + sort(arr, p, q, s); + sort(arr, q + 1, r, s); + } + } + + public static void sort(double[] arr, int p, int r, Object[] s) + { + int q; + + if (p < r) + { + q = partition(arr, p, r, s); + sort(arr, p, q, s); + sort(arr, q + 1, r, s); + } + } + + public static void sort(int[] arr, int p, int r, Object[] s) + { + int q; + + if (p < r) + { + q = partition(arr, p, r, s); + sort(arr, p, q, s); + sort(arr, q + 1, r, s); + } + } + + private static int partition(float[] arr, int p, int r, Object[] s) + { + float x = arr[p]; + int i = p - 1; + int j = r + 1; + + while (true) + { + do + { + j = j - 1; + } while (arr[j] > x); + + do + { + i = i + 1; + } while (arr[i] < x); + + if (i < j) + { + float tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; + + Object tmp2 = s[i]; + s[i] = s[j]; + s[j] = tmp2; + } + else + { + return j; + } + } + } + + private static int partition(int[] arr, int p, int r, Object[] s) + { + int x = arr[p]; + int i = p - 1; + int j = r + 1; + + while (true) + { + do + { + j = j - 1; + } while (arr[j] > x); + + do + { + i = i + 1; + } while (arr[i] < x); + + if (i < j) + { + int tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; + + Object tmp2 = s[i]; + s[i] = s[j]; + s[j] = tmp2; + } + else + { + return j; + } + } + } + + private static int partition(double[] arr, int p, int r, Object[] s) + { + double x = arr[p]; + int i = p - 1; + int j = r + 1; + + while (true) + { + do + { + j = j - 1; + } while (arr[j] > x); + + do + { + i = i + 1; + } while (arr[i] < x); + + if (i < j) + { + double tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; + + Object tmp2 = s[i]; + s[i] = s[j]; + s[j] = tmp2; + } + else + { + return j; + } + } + } + + private static int stringPartition(String[] arr, int p, int r, Object[] s) + { + String x = arr[p]; + int i = p - 1; + int j = r + 1; + + while (true) + { + do + { + j = j - 1; + } while (arr[j].compareTo(x) < 0); + + do + { + i = i + 1; + } while (arr[i].compareTo(x) > 0); + + if (i < j) + { + String tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; + + Object tmp2 = s[i]; + s[i] = s[j]; + s[j] = tmp2; + } + else + { + return j; + } + } + } +}