Java Bits Convert to bitValueHelper(final int index, final int[] data)

Here you can find the source of bitValueHelper(final int index, final int[] data)

Description

bit Value Helper

License

Open Source License

Declaration

private static boolean bitValueHelper(final int index, final int[] data) 

Method Source Code

//package com.java2s;
/*/*from   ww w  . j a  v  a 2  s. c  o  m*/
 * ------------------------------------------------------------------------
 *
 *  Copyright (C) 2003 - 2015
 *  University of Konstanz, Germany and
 *  KNIME GmbH, Konstanz, Germany
 *  Website: http://www.knime.org; Email: contact@knime.org
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License, Version 3, as
 *  published by the Free Software Foundation.
 *
 *  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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, see <http://www.gnu.org/licenses>.
 *
 *  Additional permission under GNU GPL version 3 section 7:
 *
 *  KNIME interoperates with ECLIPSE solely via ECLIPSE's plug-in APIs.
 *  Hence, KNIME and ECLIPSE are both independent programs and are not
 *  derived from each other. Should, however, the interpretation of the
 *  GNU GPL Version 3 ("License") under any applicable laws result in
 *  KNIME and ECLIPSE being a combined program, KNIME GMBH herewith grants
 *  you the additional permission to use and propagate KNIME together with
 *  ECLIPSE with only the license terms in place for ECLIPSE applying to
 *  ECLIPSE and the GNU GPL Version 3 applying for KNIME, provided the
 *  license terms of ECLIPSE themselves allow for the respective use and
 *  propagation of ECLIPSE together with KNIME.
 *
 *  Additional permission relating to nodes for KNIME that extend the Node
 *  Extension (and in particular that are based on subclasses of NodeModel,
 *  NodeDialog, and NodeView) and that only interoperate with KNIME through
 *  standard APIs ("Nodes"):
 *  Nodes are deemed to be separate and independent programs and to not be
 *  covered works.  Notwithstanding anything to the contrary in the
 *  License, the License does not apply to Nodes, you are not required to
 *  license Nodes under the License, and you are granted a license to
 *  prepare and propagate Nodes, in each case even if such Nodes are
 *  propagated with or for interoperation with KNIME.  The owner of a Node
 *  may freely choose the license terms applicable to such Node, including
 *  when such Node is propagated with or for interoperation with KNIME.
 * ---------------------------------------------------------------------
 *
 * Created on Jan 17, 2015 by Christian Dietz
 */

public class Main {
    private static boolean bitValueHelper(final int index, final int[] data) {
        final int arrayIndex = index / Integer.SIZE;
        final int arrayOffset = index % Integer.SIZE;
        final int entry = data[arrayIndex];
        final int value = (entry & (1 << arrayOffset));
        return value != 0;
    }
}

Related

  1. bitTest(String value, int pos)
  2. bitToBoolean(byte b)
  3. bitToBoolean(final byte value, final int bitNbr)
  4. bitToLong(byte[] bytes, int offset, int length)
  5. bitToLong(byte[] bytes, int offset, int length)
  6. bitWiseAnd(final byte[] array1, final byte[] array2)