Here you can find the source of intArraySet(int arr[], int val)
| Parameter | Description |
|---|---|
| arr | The array to set. |
| val | The value to set the array to. |
public static void intArraySet(int arr[], int val)
//package com.java2s; /*/*from ww w . j av a2 s . c o m*/ * CVS identifier: * * $Id: ArrayUtil.java,v 1.10 2000/09/05 09:25:15 grosbois Exp $ * * Class: ArrayUtil * * Description: Utillities for arrays. * * * * COPYRIGHT: * * This software module was originally developed by Rapha?l Grosbois and * Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel * Askel?f (Ericsson Radio Systems AB); and Bertrand Berthelot, David * Bouchard, F?lix Henry, Gerard Mozelle and Patrice Onno (Canon Research * Centre France S.A) in the course of development of the JPEG2000 * standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This * software module is an implementation of a part of the JPEG 2000 * Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio * Systems AB and Canon Research Centre France S.A (collectively JJ2000 * Partners) agree not to assert against ISO/IEC and users of the JPEG * 2000 Standard (Users) any of their rights under the copyright, not * including other intellectual property rights, for this software module * with respect to the usage by ISO/IEC and Users of this software module * or modifications thereof for use in hardware or software products * claiming conformance to the JPEG 2000 Standard. Those intending to use * this software module in hardware or software products are advised that * their use may infringe existing patents. The original developers of * this software module, JJ2000 Partners and ISO/IEC assume no liability * for use of this software module or modifications thereof. No license * or right to this software module is granted for non JPEG 2000 Standard * conforming products. JJ2000 Partners have full right to use this * software module for his/her own purpose, assign or donate this * software module to any third party and to inhibit third parties from * using this software module for non JPEG 2000 Standard conforming * products. This copyright notice must be included in all copies or * derivative works of this software module. * * Copyright (c) 1999/2000 JJ2000 Partners. * * * */ public class Main { /** The maximum array size to do element by element copying, larger * arrays are copyied in a n optimized way. */ public static final int MAX_EL_COPYING = 8; /** The number of elements to copy initially in an optimized array copy */ public static final int INIT_EL_COPYING = 4; /** * Reinitializes an int array to the given value in an optimized way. If * the length of the array is less than MAX_EL_COPYING, then the array * is set element by element in the normal way, otherwise the first * INIT_EL_COPYING elements are set element by element and then * System.arraycopy is used to set the other parts of the array. * * @param arr The array to set. * * @param val The value to set the array to. * * * */ public static void intArraySet(int arr[], int val) { int i, len, len2; len = arr.length; // Set array to 'val' in an optimized way if (len < MAX_EL_COPYING) { // Not worth doing optimized way for (i = len - 1; i >= 0; i--) { // Set elements arr[i] = val; } } else { // Do in optimized way len2 = len >> 1; for (i = 0; i < INIT_EL_COPYING; i++) { // Set first elements arr[i] = val; } for (; i <= len2; i <<= 1) { // Copy values doubling size each time System.arraycopy(arr, 0, arr, i, i); } if (i < len) { // Copy values to end System.arraycopy(arr, 0, arr, i, len - i); } } } }