Java Double Number Round round(double value)

Description

round

License

Open Source License

Declaration

public static double round(double value) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors://from w w  w . j a  v  a2s .co m
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

public class Main {
    /**
     * @deprecated
     */
    public static double round(double value) {
        return Math.round(value * 10000) / 10000.0;
    }

    /**
     * @deprecated
     */
    public static double round(double value, int precision) {
        if (precision < 0) {
            throw new IllegalArgumentException("Should have a precision at least greater than 0!");
        }
        if (precision == 0)
            return (long) Math.floor(value);
        double factor = 10;
        int n = 1;
        while (n++ < precision)
            factor *= 10;
        return Math.round(value * factor) / factor;
    }
}

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