code: public static Point1d convert(Tuple1d<?> tuple) {
  		if (tuple instanceof Point1d) {
  			return (Point1d) tuple;
  		}
  		return new Point1d(tuple.getSegment(), tuple.getX(), tuple.getY());
  	}
docs: Convert the given tuple to a real Point1d.
  
  <p>If the given tuple is already a Point1d, it is replied.
  
  @param tuple the tuple.
  @return the Point1d.
  @since 14.0