docs: def closeto(self, other, abserror):
          """Check that all the members are equal within provided absolute error.
  
          Parameters
          ----------
          other : DtuConfiguration object
              DTU configuration instance to be compared with self.
          abserror : float
              Absolute maximum allowed error.
  
          Returns
          -------
          result : bool
              True is all members are within the specified maximum
              absolute error
  
          """
  
          result = \
              (abs(self.xdtu - other.xdtu) <= abserror) and \
              (abs(self.ydtu - other.ydtu) <= abserror) and \
              (abs(self.zdtu - other.zdtu) <= abserror) and \
              (abs(self.xdtu_0 - other.xdtu_0) <= abserror) and \
              (abs(self.ydtu_0 - other.ydtu_0) <= abserror) and \
              (abs(self.zdtu_0 - other.zdtu_0) <= abserror)
          return result