Java Number Round roundToPowerOf10(double value, int powerOf10)

Description

round To Power Of

License

Open Source License

Declaration

public static double roundToPowerOf10(double value, int powerOf10) 

Method Source Code

//package com.java2s;
/*/*from  ww w.java2s. co  m*/
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 by RapidMiner and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapidminer.com
 *
 *  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 {
    public static double roundToPowerOf10(double value, int powerOf10) {
        if (Double.isInfinite(value) || Double.isNaN(value)) {
            return value;
        }

        value *= Math.pow(10, -powerOf10);
        value = Math.round(value);
        value /= Math.pow(10, -powerOf10);
        return value;
    }
}

Related

1. roundToNext(int val, int factor)
2. roundToNextPowerOfTwo(int value)
3. roundToNthDecimal(double number, int decimals)
4. roundToNumDigits(double d, int n)
5. roundToPowerOf(int i, int powerOf)
6. roundToPowerOf2(int value)
7. roundToPrecision(double number, int precision)
8. roundToPrecision(float value, int numDecimalPlaces)
9. roundToQuarterMs(float f)