Method all_congs

graph.py:2868–2874

(self)

          yield a, b, c, d

  def all_congs(self) -> Generator[tuple[Point, ...], None, None]:
    for l in self.type2nodes[Length]:
      for s1, s2 in utils.perm2(l.neighbors(Segment)):
        (a, b), (c, d) = s1.points, s2.points
        for x, y in [(a, b), (b, a)]:
          for m, n in [(c, d), (d, c)]:
            yield x, y, m, n

  def all_eqratios_8points(self) -> Generator[tuple[Point, ...], None, None]:
    """List all sets of 8 points that make two equal ratios."""