//// ===========================================================================================================
        //// Equality Members
        //// ===========================================================================================================

        public bool Equals(Matrix3x3 other)
        {
            return(M00.IsApproximatelyEqual(other.M00) &&
                   M01.IsApproximatelyEqual(other.M01) &&
                   M02.IsApproximatelyEqual(other.M02) &&

                   M10.IsApproximatelyEqual(other.M10) &&
                   M11.IsApproximatelyEqual(other.M11) &&
                   M12.IsApproximatelyEqual(other.M12) &&

                   M20.IsApproximatelyEqual(other.M20) &&
                   M21.IsApproximatelyEqual(other.M21) &&
                   M22.IsApproximatelyEqual(other.M22));
        }
        //// ===========================================================================================================
        //// Equality Members
        //// ===========================================================================================================

        public bool Equals(Matrix4x4 other)
        {
            // Check the diagonals first to see if we can exit early for identity matrix equality.
            return(M00.IsApproximatelyEqual(other.M00) &&
                   M11.IsApproximatelyEqual(other.M11) &&
                   M22.IsApproximatelyEqual(other.M22) &&
                   M33.IsApproximatelyEqual(other.M33) &&

                   M01.IsApproximatelyEqual(other.M01) &&
                   M02.IsApproximatelyEqual(other.M02) &&
                   M03.IsApproximatelyEqual(other.M03) &&

                   M10.IsApproximatelyEqual(other.M10) &&
                   M12.IsApproximatelyEqual(other.M12) &&
                   M13.IsApproximatelyEqual(other.M13) &&

                   M20.IsApproximatelyEqual(other.M20) &&
                   M21.IsApproximatelyEqual(other.M21) &&
                   M23.IsApproximatelyEqual(other.M23) &&

                   M30.IsApproximatelyEqual(other.M30) &&
                   M31.IsApproximatelyEqual(other.M31) &&
                   M32.IsApproximatelyEqual(other.M32));
        }