Java Double Number Truncate truncateDoubleDecimals(double x1, int num)

Description

truncate Double Decimals

License

Open Source License

Declaration

public static double truncateDoubleDecimals(double x1, int num) 

Method Source Code

//package com.java2s;
/*// www  .  j av a  2  s. co m
 * Copyright (C) 2007 Alberto Duina, SPEDALI CIVILI DI BRESCIA, Brescia ITALY
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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 Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

public class Main {
    public static double truncateDoubleDecimals(double x1, int num) {
        double mult1 = Math.pow(10, num);
        int mult = (int) mult1;
        double y1;
        double y2;
        if (x1 > 0) {
            y1 = Math.floor(x1 * mult);
            y2 = y1 / (mult);
        } else {
            y1 = Math.ceil(x1 * mult);
            y2 = y1 / (mult);
        }
        return y2;
    }
}

Related

1. truncate(final double value, final double precision)
2. truncate2decimals(double x)
3. truncateDigits(double input, int numberDigits)
4. truncateDigits(double[][] input, int numberDigits)
5. truncateDouble(final Double value)
6. truncateDoubleToInt(double p_76140_0_)
7. truncateDoubleToInt(double x)
8. truncateNaN(double[] values)
9. truncateNoSciNotation(double d, int decimals)