code: public Vector3d positiveX(Vector3d dest) {
          dest.x = m11 * m22 - m12 * m21;
          dest.y = m02 * m21 - m01 * m22;
          dest.z = m01 * m12 - m02 * m11;
          return dest.normalize(dest);
      }
docs: /* (non-Javadoc)
  @see org.joml.Matrix4dc#positiveX(org.joml.Vector3d)