/*--------------------------------------------------------
 * Copyright © 2009 – 2010* France Telecom
 * This software is distributed under the "Simplified BSD license",
 * the text of which is available at http://www.winktoolkit.org/licence.txt
 * or see the "license.txt" file for more details.
 *--------------------------------------------------------*/

/**
 * math basics library.
 * 
 * @methods:
 * 	--> round: Returns the rounded value to a given number of decimal places.
 * 
 * @compatibility
 *  --> Iphone OS2, Iphone OS3, Iphone OS4, Android 1.1, Android 1.5, Android 2.1, Android 2.2, Android 2.3, BlackBerry 6, Bada 1.0
 * 
 * @author:
 * 	--> Sylvain LALANDE
 */
wink.math = 
{
	/**
	 * Returns the rounded value to a given number of decimal places.
	 * 
	 * @parameters:
	 *  --> n: the value to round
	 *  --> d: number of decimal places
	 */
	round: function(n, d)
	{
		if (!wink.isSet(d))
		{
			d = 0;
		}
		var nd = Math.pow(10, d);
		return Math.round(n * nd) / nd;
	}
};