Returns the closest power of two value.

	// prints 8
	Debug.Log(Mathf.ClosestPowerOfTwo(7));
	
	// prints 16
	Debug.Log(Mathf.ClosestPowerOfTwo(19));

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        Debug.Log(Mathf.ClosestPowerOfTwo(7));
        Debug.Log(Mathf.ClosestPowerOfTwo(19));
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		Debug.Log(Mathf.ClosestPowerOfTwo(7))
		Debug.Log(Mathf.ClosestPowerOfTwo(19))