The dot product between two rotations.

	print(Quaternion.Dot (transform.rotation, Quaternion.identity));

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        print(Quaternion.Dot(transform.rotation, Quaternion.identity));
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		print(Quaternion.Dot(transform.rotation, Quaternion.identity))