Java Double Number Round roundDown(double val, int decimals)

Description

Cut a value to given number of decimals.

License

Apache License

Parameter

Parameter	Description
val	number
decimals	decimals

Return

rounded value

Declaration

public static double roundDown(double val, int decimals) 

Method Source Code

//package com.java2s;
/*/*from   w w  w  .j a  va  2 s.  c o  m*/
 * Copyright 2018 Tigran Dadaiants
 *
 * 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 {
    /**
     * Cut a value to given number of decimals.
     *
     * @param val      number
     * @param decimals decimals
     * @return rounded value
     */
    public static double roundDown(double val, int decimals) {
        double pow = Math.pow(10, decimals);
        return Math.floor(val * pow) / pow;
    }
}

Related

1. roundDoubleValue(double value)
2. roundDown(double a)
3. roundDown(double amt, double digits)
4. roundDown(double n)
5. roundDown(double num)
6. roundDown(double value, double units)
7. roundDown(double value, int gridSize)
8. roundDown(final float realNumber)
9. RoundDown(final T number)