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import os
import sys
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', '..')))
import utils3d
import numpy as np
def run():
for i in range(100):
if i == 0:
spatial = []
L = 1
N = 5
faces = np.array([[0, 1, 2, 3, 4]])
expected = np.array([[0, 1, 2], [0, 2, 3], [0, 3, 4]])
else:
dim = np.random.randint(4)
spatial = [np.random.randint(1, 10) for _ in range(dim)]
L = np.random.randint(1, 1000)
N = np.random.randint(3, 10)
faces = np.random.randint(0, 10000, size=(*spatial, L, N))
loop_indices = [[0, i, i + 1] for i in range(1, N - 1)]
expected = faces[..., loop_indices].reshape((*spatial, L * (N - 2), 3))
actual = utils3d.numpy.triangulate(faces)
assert np.allclose(expected, actual), '\n' + \
'Input:\n' + \
f'{faces}\n' + \
'Actual:\n' + \
f'{actual}\n' + \
'Expected:\n' + \
f'{expected}'
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