Java Double Number Round round(double num, int precision)

Description

Rounds num to the precision-th decimal place.

License

Open Source License

Parameter

Parameter	Description
num	the double to round.
precision	the number of decimal places to round to.

Return

num rounded to the precision-th decimal place.

Declaration

public static double round(double num, int precision) 

Method Source Code

//package com.java2s;
/*/*from www  .  j av  a 2  s . c  om*/
BukkitUtil
Copyright (C) 2011 Klezst
    
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 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 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/>.
*/

public class Main {
    /**
     * Rounds num to the precision-th decimal place.
     * 
     * @author Klezst
     * @param num the double to round.
     * @param precision the number of decimal places to round to.
     * @return num rounded to the precision-th decimal place.
     */
    public static double round(double num, int precision) {
        double modifier = Math.pow(10, precision);

        double result = Math.round(num * modifier);
        return result / modifier;
    }
}

Related

1. round(Double num)
2. round(double num)
3. round(double num, int bit)
4. round(double num, int decimal)
5. round(double num, int numDecs, boolean rawFactor)
6. round(double number)
7. round(double number, double multiplier)
8. round(double number, int decimal)
9. round(double number, int digit)