Java Number Round rounding(double val)

Description

rounding

License

Apache License

Declaration

private static double rounding(double val) 

Method Source Code

//package com.java2s;
/*// ww  w.  j  a  v  a 2s .c  o m
 *  Copyright 2015 the original author or authors. 
 *  @https://github.com/scouter-project/scouter
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); 
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License. 
 *
 */

public class Main {
    private static double rounding(double val) {
        long value = (long) val;
        long decVal = 1;
        for (long x = value; x >= 10; x /= 10) {
            decVal *= 10;
        }
        if (value > decVal * 5) {
            return decVal * 10;
        } else if (value > decVal * 2) {
            return decVal * 5;
        } else {
            return decVal * 2;
        }
    }
}

Related

1. RoundFullUp(double d)
2. roundHalfAway(double d)
3. RoundHalfUp(double d)
4. roundIfClose(double val)
5. Rounding(double d, int i)
6. roundingRightShift(int x, int count)
7. roundIntegerToNearestUpperTenth(int a)
8. roundInventorySize(final int size)
9. roundJs(double v, int n)