Java utils for a few (less used) methods used for number rounding

MathRoundUtil.java

/**
 * Util class for number rounding
 * 
 * @author Christian Ascone
 *
 */
public class MathRoundUtil {
	/**
	 * Rounds a double number to the closest 0.5 divisor.
	 * For example:
	 * 2 -> 2
	 * 2.1 -> 2
	 * 2.3 -> 2.5
	 * 2.5 -> 2.5
	 * @param toRound Number to round
	 * @return	The closest 0.5 divisor of given number
	 */
	public static double roundToClosestHalf(double toRound) {
		double f = 0.5;
		double rounded = f * Math.round(toRound / f);
		return rounded;
	}
}