Here you can find the source of setBit(long[] data, int position, int bitWidth)
Parameter | Description |
---|---|
data | The multi-dimensional point. |
position | The position that should be set. |
bitWidth | The bitWidth of each dimension. |
private static void setBit(long[] data, int position, int bitWidth)
//package com.java2s; /*/*from w w w . j ava2s .co m*/ This file is part of PH-Tree: A multi-dimensional indexing and storage structure. Copyright (C) 2011-2015 Eidgen?ssische Technische Hochschule Z?rich (ETH Zurich) Institute for Information Systems GlobIS Group Bogdan Vancea, Tilmann Zaeschke zaeschke@inf.ethz.ch or zoodb@gmx.de This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { /** * Set the bit with the position received as an argument to the multi-dimension point received * as an argument. * * @param data The multi-dimensional point. * @param position The position that should be set. * @param bitWidth The bitWidth of each dimension. */ private static void setBit(long[] data, int position, int bitWidth) { int dimIndex = position % data.length; int bitIndex = bitWidth - 1 - position / data.length; data[dimIndex] = data[dimIndex] | (1 << bitIndex); } }