Java Double Number Round round(double x, int places)

Description

round

License

Open Source License

Declaration

public static double round(double x, int places) 

Method Source Code

//package com.java2s;
/* -*- tab-width: 4 -*-//from  ww w .  ja v  a2  s .c  o m
 *
 * Electric(tm) VLSI Design System
 *
 * File: NccUtils.java
 *
 * Copyright (c) 2003 Sun Microsystems and Static Free Software
 *
 * Electric(tm) 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.
 *
 * Electric(tm) 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 Electric(tm); see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, Mass 02111-1307, USA.
 */

public class Main {
    public static double round(double x, int places) {
        long m = pow(10, places);
        return Math.rint(x * m) / m;
    }

    private static long pow(int x, int y) {
        long prod = 1;
        for (int i = 0; i < y; i++)
            prod *= x;
        return prod;
    }
}

Related

1. round(double x)
2. round(double x)
3. round(double x)
4. round(double x)
5. round(double x, int numPlaces)
6. round(double zahl, int stellen)
7. round(double[] arr)
8. round(double[] array, int decimals)
9. round(double[][] data)