code: public static Vector3dfx convert(Tuple3D<?> tuple) {
  		if (tuple instanceof Vector3dfx) {
  			return (Vector3dfx) tuple;
  		}
  		return new Vector3dfx(tuple.getX(), tuple.getY(), tuple.getZ());
  	}
docs: Convert the given tuple to a real Vector3dfx.
  
  <p>If the given tuple is already a Vector3dfx, it is replied.
  
  @param tuple the tuple.
  @return the Vector3dfx.
  @since 14.0