2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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24 public class Zsort {
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25 public void Zsort(Vector bonds) {
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26 sort(bonds, 0, bonds.size() - 1);
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29 public void sort(Vector bonds, int p, int r) {
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33 q = partition(bonds, p, r);
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35 sort(bonds, q + 1, r);
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39 private int partition(Vector bonds, int p, int r) {
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40 float x = ((Bond) bonds.elementAt(p)).start[2];
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47 } while ((j >= 0) && (((Bond) bonds.elementAt(j)).start[2] > x));
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51 } while ((i < bonds.size()) &&
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52 (((Bond) bonds.elementAt(i)).start[2] < x));
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55 tmp = (Bond) bonds.elementAt(i);
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56 bonds.setElementAt(bonds.elementAt(j), i);
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57 bonds.setElementAt(tmp, j);
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