code: @Pure
  	public double distanceSegment(Point3D point) {
  		return distanceSegmentPoint(
  				getX1(), getY1(), getZ1(),
  				getX2(), getY2(), getZ2(),
  				point.getX(), point.getY(), point.getZ());
  	}
docs: Replies the distance between this segment and the given point.
  
  @param point
  @return the distance.