Java Ceil ceil(double d, int exp)

Description

This method returns the smallest double value that is smaller than d = x * 10exp where x is rounded up to the closest integer.

License

Open Source License

Parameter

Parameter	Description
d	the double value to be rounded
exp	the exponent of 10 to which d should be rounded

Return

Math.ceil(x) * 10exp

Declaration

public static double ceil(double d, int exp) 

Method Source Code

//package com.java2s;
/*//ww w .ja  v  a  2  s  .c  o  m
JOpenChart Java Charting Library and Toolkit
Copyright (C) 2001  Sebastian M?ller
http://jopenchart.sourceforge.net
    
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
    
This library 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
Lesser General Public License for more details.
    
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    
ChartUtilities.java
Created on 21. September 2001, 17:42
 */

public class Main {
    /** This method returns the smallest double value that is smaller than
     * <code> d = x * 10<sup>exp</exp></code> where x is rounded up to
     * the closest integer.
     * @param d the double value to be rounded
     * @param exp the exponent of 10 to which d should be rounded
     * @return <code> Math.ceil(x) * 10<sup>exp</sup></code>
     */
    public static double ceil(double d, int exp) {
        double x = 1.0 * Math.pow(10.0, (double) exp);

        return Math.ceil(d / x) * x;
    }
}

Related

1. ceil(double a)
2. ceil(double a, double precision)
3. ceil(double a, int cutOfDigits)
4. ceil(double d)
5. ceil(double d)
6. ceil(double d, int p)
7. ceil(double double1, double double2)
8. ceil(double num, int bit)
9. ceil(double value, int decimal)