def test_distinguishable(self, uqtype, dqtype):
assert qu.trace_distance(qu.up(qtype=uqtype),
qu.down(qtype=dqtype)) > 1 - 1e-10
def test_types(self, k1, k2):
td1 = qu.trace_distance(k1, k2)
td2 = qu.trace_distance(qu.dop(k1), k2)
td3 = qu.trace_distance(k1, qu.dop(k2))
td4 = qu.trace_distance(qu.dop(k1), qu.dop(k2))
assert_allclose([td1] * 3, [td2, td3, td4])
def test_same(self, p1):
assert abs(qu.trace_distance(p1, p1)) < 1e-14
def test_types(self, k1, k2):
td1 = trace_distance(k1, k2)
td2 = trace_distance(dop(k1), k2)
td3 = trace_distance(k1, dop(k2))
td4 = trace_distance(dop(k1), dop(k2))
assert_allclose([td1] * 3, [td2, td3, td4])