Java Double to Long doubleToLong(final double d)

Description

double To Long

License

Open Source License

Declaration

public static long doubleToLong(final double d) 

Method Source Code

//package com.java2s;
/*/*from ww w .jav  a  2  s . c  om*/
 * #%L
 * Cytoscape Equations API (equations-api)
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2010 - 2013 The Cytoscape Consortium
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as 
 * published by the Free Software Foundation, either version 2.1 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 General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public 
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
 * #L%
 */

public class Main {

    public static long doubleToLong(final double d) {
        if (d > Long.MAX_VALUE || d < Long.MIN_VALUE)
            throw new IllegalArgumentException(
                    "floating point value is too large to be converted to a Long.");

        double x = ((Double) d).longValue();
        if (x != d && d < 0.0)
            --x;

        return (long) x;
    }
}

Related

1. doubleToLong(Double aVal)
2. doubleToLong(double d)
3. doubleToLong(double[] values)
4. DoubleToLong_With_Little_Endian(double dd)
5. doubleToLongArray(final double value)
6. doubleToLongBits(double val)
7. doubleToLongBits(double value)