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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| IntQueue.java | 16,7% | 50% | 83,3% | 50% |
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| 1 | /* | |
| 2 | * MiniSAT in Java, a Java based-SAT framework | |
| 3 | * Copyright (C) 2004 Daniel Le Berre | |
| 4 | * | |
| 5 | * Based on the original minisat specification from: | |
| 6 | * | |
| 7 | * An extensible SAT solver. Niklas Eᅵn and Niklas Sᅵrensson. | |
| 8 | * Proceedings of the Sixth International Conference on Theory | |
| 9 | * and Applications of Satisfiability Testing, LNCS 2919, | |
| 10 | * pp 502-518, 2003. | |
| 11 | * | |
| 12 | * This library is free software; you can redistribute it and/or | |
| 13 | * modify it under the terms of the GNU Lesser General Public | |
| 14 | * License as published by the Free Software Foundation; either | |
| 15 | * version 2.1 of the License, or (at your option) any later version. | |
| 16 | * | |
| 17 | * This library is distributed in the hope that it will be useful, | |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 20 | * Lesser General Public License for more details. | |
| 21 | * | |
| 22 | * You should have received a copy of the GNU Lesser General Public | |
| 23 | * License along with this library; if not, write to the Free Software | |
| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 25 | * | |
| 26 | */ | |
| 27 | ||
| 28 | package org.sat4j.minisat.core; | |
| 29 | ||
| 30 | import java.io.Serializable; | |
| 31 | ||
| 32 | /* | |
| 33 | * Created on 9 oct. 2003 | |
| 34 | */ | |
| 35 | ||
| 36 | /** | |
| 37 | * @author leberre Implantation d'une queue ᅵ l'aide d'un tableau | |
| 38 | */ | |
| 39 | public final class IntQueue implements Serializable { | |
| 40 | ||
| 41 | private static final long serialVersionUID = 1L; | |
| 42 | ||
| 43 | private static final int INITIAL_QUEUE_CAPACITY = 10; | |
| 44 | ||
| 45 | /** | |
| 46 | * Add an element to the queue. | |
| 47 | * The queue is supposed to be large enough for that! | |
| 48 | * @param x the element to add | |
| 49 | */ | |
| 50 | 24 | public void insert(final int x) { |
| 51 | // ensure(size + 1); | |
| 52 | assert size < myarray.length; | |
| 53 | 24 | myarray[size++] = x; |
| 54 | } | |
| 55 | ||
| 56 | /** | |
| 57 | * returns the nexdt element in the queue. | |
| 58 | * Unexpected results if the queue is empty! | |
| 59 | * | |
| 60 | * @return the firsst element on the queue | |
| 61 | */ | |
| 62 | 20 | public int dequeue() { |
| 63 | assert first < size; | |
| 64 | 20 | return myarray[first++]; |
| 65 | } | |
| 66 | ||
| 67 | /** | |
| 68 | * Vide la queue | |
| 69 | */ | |
| 70 | 1 | public void clear() { |
| 71 | 1 | size = 0; |
| 72 | 1 | first = 0; |
| 73 | } | |
| 74 | ||
| 75 | /** | |
| 76 | * Pour connaᅵtre la taille de la queue. | |
| 77 | * | |
| 78 | * @return le nombre d'ᅵlᅵments restant dans la queue | |
| 79 | */ | |
| 80 | 11 | public int size() { |
| 81 | 11 | return size - first; |
| 82 | } | |
| 83 | ||
| 84 | /** | |
| 85 | * Utilisᅵe pour accroᅵtre dynamiquement la taille de la queue. | |
| 86 | * | |
| 87 | * @param nsize | |
| 88 | * la taille maximale de la queue | |
| 89 | */ | |
| 90 | 1 | public void ensure(final int nsize) { |
| 91 | 1 | if (nsize >= myarray.length) { |
| 92 | 1 | int[] narray = new int[Math.max(nsize, size * 2)]; |
| 93 | 1 | System.arraycopy(myarray, 0, narray, 0, size); |
| 94 | 1 | myarray = narray; |
| 95 | } | |
| 96 | } | |
| 97 | ||
| 98 | 0 | @Override |
| 99 | public String toString() { | |
| 100 | 0 | StringBuffer stb = new StringBuffer(); |
| 101 | 0 | stb.append(">"); //$NON-NLS-1$ |
| 102 | 0 | for (int i = first; i < size - 1; i++) { |
| 103 | 0 | stb.append(myarray[i]); |
| 104 | 0 | stb.append(" "); //$NON-NLS-1$ |
| 105 | } | |
| 106 | 0 | if (first != size) { |
| 107 | 0 | stb.append(myarray[size - 1]); |
| 108 | } | |
| 109 | 0 | stb.append("<"); //$NON-NLS-1$ |
| 110 | 0 | return stb.toString(); |
| 111 | } | |
| 112 | ||
| 113 | private int[] myarray = new int[INITIAL_QUEUE_CAPACITY]; | |
| 114 | ||
| 115 | private int size = 0; | |
| 116 | ||
| 117 | private int first = 0; | |
| 118 | ||
| 119 | } |
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