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# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
import unittest
import torch
from pytorch3d.utils import checkerboard
from .common_testing import TestCaseMixin
class TestCheckerboard(TestCaseMixin, unittest.TestCase):
def test_simple(self):
board = checkerboard(5)
verts = board.verts_packed()
expect = torch.tensor([5.0, 5.0, 0])
self.assertClose(verts.min(dim=0).values, -expect)
self.assertClose(verts.max(dim=0).values, expect)
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