Java Float Number Round round(float number, int fractionalPartSize)

Description

round

License

Open Source License

Declaration

public static float round(float number, int fractionalPartSize) 

Method Source Code

//package com.java2s;
/*/*w ww .  j a v  a2 s.c  om*/
 * Copyright (c) 2014 Igor Botian
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * @author Igor Botian <igor.botian@gmail.com>
 */

public class Main {

    public static float round(float number, int fractionalPartSize) {
        return (float) round((double) number, fractionalPartSize);
    }

    public static double round(double number, int fractionalPartSize) {
        int c = (int) Math.pow(10.0, fractionalPartSize);
        return Math.floor(number * c) / c;
    }
}

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