def test_power_inplace(self):
"""Test inplace power method."""
# 10% depolarizing channel
p_id = 0.9
depol = Choi(self.depol_choi(1 - p_id))
# Compose 3 times
p_id3 = p_id**3
depol.power(3, inplace=True)
targ3 = Choi(self.depol_choi(1 - p_id3))
self.assertEqual(depol, targ3)
def test_power(self):
"""Test power method."""
# 10% depolarizing channel
p_id = 0.9
depol = Choi(self.depol_choi(1 - p_id))
# Compose 3 times
p_id3 = p_id**3
chan3 = depol.power(3)
targ3 = Choi(self.depol_choi(1 - p_id3))
self.assertEqual(chan3, targ3)