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-rw-r--r--src/demos/util/FloatList.java100
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diff --git a/src/demos/util/FloatList.java b/src/demos/util/FloatList.java
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-/*
- * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * - Redistribution of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
- * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
- * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
- * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
- * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
- * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
- * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
- * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that this software is not designed or intended for use
- * in the design, construction, operation or maintenance of any nuclear
- * facility.
- *
- * Sun gratefully acknowledges that this software was originally authored
- * and developed by Kenneth Bradley Russell and Christopher John Kline.
- */
-
-package demos.util;
-
-/** Growable array of floats. */
-
-public class FloatList {
- private static final int DEFAULT_SIZE = 10;
-
- private float[] data = new float[DEFAULT_SIZE];
- private int numElements;
-
- public void add(float f) {
- if (numElements == data.length) {
- resize(1 + numElements);
- }
- data[numElements++] = f;
- assert numElements <= data.length;
- }
-
- public int size() {
- return numElements;
- }
-
- public float get(int index) {
- if (index >= numElements) {
- throw new ArrayIndexOutOfBoundsException(index);
- }
- return data[index];
- }
-
- public void put(int index, float val) {
- if (index >= numElements) {
- throw new ArrayIndexOutOfBoundsException(index);
- }
- data[index] = val;
- }
-
- public void trim() {
- if (data.length > numElements) {
- float[] newData = new float[numElements];
- System.arraycopy(data, 0, newData, 0, numElements);
- data = newData;
- }
- }
-
- public float[] getData() {
- return data;
- }
-
- private void resize(int minCapacity) {
- int newCapacity = 2 * data.length;
- if (newCapacity == 0) {
- newCapacity = DEFAULT_SIZE;
- }
- if (newCapacity < minCapacity) {
- newCapacity = minCapacity;
- }
- float[] newData = new float[newCapacity];
- System.arraycopy(data, 0, newData, 0, data.length);
- data = newData;
- }
-}