class TestCell(unittest.TestCase):
def setUp(self):
self.cell = Cell((22.84, 32.84, 42.84, 80.84, 90.84, 100.84), None)
def test_orth(self):
orth = self.cell.get_orth_matrix()
expected = np.array([[22.84, -6.17612, -0.628045],
[0, 32.254, 6.82343],
[0, 0, 42.2884]])
assert_allclose(to_np(orth), expected, rtol=1e-6)
def test_frac(self):
frac = self.cell.get_frac_matrix()
orth = self.cell.get_orth_matrix()
assert_allclose(to_np(frac.dot(orth)), np.identity(3), atol=1e-12)
