def test_pid_broja3():
"""
Test that iproj and ibroja are the same on reduced or.
"""
d = bivariates['reduced or']
pid1 = PID_BROJA(d)
pid2 = PID_Proj(d)
assert pid1 == pid2
def test_pid_proj1():
"""
Test iproj on a generic distribution.
"""
d = bivariates['diff']
pid = PID_Proj(d, ((0, ), (1, )), (2, ))
assert pid[((0, ), (1, ))] == pytest.approx(0.16503749927884365)
assert pid[((0, ), )] == pytest.approx(0.1462406251802893)
assert pid[((1, ), )] == pytest.approx(0.1462406251802893)
assert pid[((0, 1), )] == pytest.approx(0.04248125036057776)
def test_pid_proj3():
"""
Test iproj on another generic distribution.
"""
d = trivariates['xor shared']
pid = PID_Proj(d)
for atom in pid._lattice:
if atom == ((0, ), (1, 2)):
assert pid[atom] == pytest.approx(1.0)
else:
assert pid[atom] == pytest.approx(0.0)
def test_pid_proj2():
"""
Test iproj on another generic distribution.
"""
d = trivariates['anddup']
pid = PID_Proj(d, [[0], [1], [2]], [3])
assert pid[((0, 1), (1, 2))] == pytest.approx(0.5)
assert pid[((0, ), (1, ), (2, ))] == pytest.approx(0.31127812445913305)
for atom in pid._lattice:
if atom not in [((0, 1), (1, 2)), ((0, ), (1, ), (2, ))]:
assert pid[atom] == pytest.approx(0.0)