mirror of
https://github.com/marcin-szczepanski/jFuzzyLogic.git
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154 lines
4.0 KiB
Java
154 lines
4.0 KiB
Java
/*
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[The "BSD licence"]
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Copyright (c) 2005-2006 Terence Parr
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. The name of the author may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.antlr.misc;
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import java.util.AbstractList;
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/** An ArrayList based upon int members. Not quite a real implementation of a
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* modifiable list as I don't do, for example, add(index,element).
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* TODO: unused?
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*/
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public class IntArrayList extends AbstractList implements Cloneable {
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private static final int DEFAULT_CAPACITY = 10;
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protected int n = 0;
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protected int[] elements = null;
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public IntArrayList() {
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this(DEFAULT_CAPACITY);
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}
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public IntArrayList(int initialCapacity) {
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elements = new int[initialCapacity];
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}
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/** Set the ith element. Like ArrayList, this does NOT affect size. */
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public int set(int i, int newValue) {
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if ( i>=n ) {
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setSize(i); // unlike definition of set in ArrayList, set size
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}
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int v = elements[i];
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elements[i] = newValue;
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return v;
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}
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public boolean add(int o) {
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if ( n>=elements.length ) {
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grow();
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}
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elements[n] = o;
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n++;
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return true;
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}
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public void setSize(int newSize) {
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if ( newSize>=elements.length ) {
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ensureCapacity(newSize);
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}
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n = newSize;
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}
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protected void grow() {
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ensureCapacity((elements.length * 3)/2 + 1);
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}
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public boolean contains(int v) {
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for (int i = 0; i < n; i++) {
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int element = elements[i];
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if ( element == v ) {
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return true;
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}
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}
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return false;
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}
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public void ensureCapacity(int newCapacity) {
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int oldCapacity = elements.length;
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if (n>=oldCapacity) {
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int oldData[] = elements;
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elements = new int[newCapacity];
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System.arraycopy(oldData, 0, elements, 0, n);
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}
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}
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public Object get(int i) {
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return Utils.integer(element(i));
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}
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public int element(int i) {
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return elements[i];
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}
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public int[] elements() {
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int[] a = new int[n];
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System.arraycopy(elements, 0, a, 0, n);
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return a;
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}
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public int size() {
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return n;
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}
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public int capacity() {
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return elements.length;
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}
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public boolean equals(Object o) {
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if ( o==null ) {
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return false;
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}
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IntArrayList other = (IntArrayList)o;
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if ( this.size()!=other.size() ) {
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return false;
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}
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for (int i = 0; i < n; i++) {
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if ( elements[i] != other.elements[i] ) {
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return false;
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}
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}
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return true;
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}
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public Object clone() throws CloneNotSupportedException {
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IntArrayList a = (IntArrayList)super.clone();
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a.n = this.n;
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System.arraycopy(this.elements, 0, a.elements, 0, this.elements.length);
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return a;
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}
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public String toString() {
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StringBuffer buf = new StringBuffer();
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for (int i = 0; i < n; i++) {
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if ( i>0 ) {
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buf.append(", ");
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}
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buf.append(elements[i]);
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}
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return buf.toString();
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}
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}
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