def test_permutation_constructor(self):
perm = Affine.permutation()
assert isinstance(perm, Affine)
assert \
tuple(perm) == \
(0, 1, 0,
1, 0, 0,
0, 0, 1)
assert (perm * perm).is_identity
def test_permutation_constructor(self):
perm = Affine.permutation()
assert isinstance(perm, Affine)
assert \
tuple(perm) == \
(0, 1, 0,
1, 0, 0,
0, 0, 1)
assert (perm*perm).is_identity
