* Added isSimilar() to Quaternion. * Added isSimilar() to Vector2f. * Added isSimilar() to Vector3f. * Added isSimilar() to Vector4f. * Modified isSimilar() to consider NaN.
* Added isSimilar() to Quaternion. * Added isSimilar() to Vector2f. * Added isSimilar() to Vector3f. * Added isSimilar() to Vector4f. * Modified isSimilar() to consider NaN.