def test_swap_gate(): gate = _gates.SwapGate() assert gate == gate.get_inverse() assert str(gate) == "Swap" assert gate.interchangeable_qubit_indices == [[0, 1]] assert np.array_equal(gate.matrix, np.matrix([[1, 0, 0, 0], [0, 0, 1, 0], [0, 1, 0, 0], [0, 0, 0, 1]])) assert isinstance(_gates.Swap, _gates.SwapGate)
def test_sqrtswap_gate():
sqrt_gate = _gates.SqrtSwapGate()
swap_gate = _gates.SwapGate()
assert str(sqrt_gate) == "SqrtSwap"
assert np.array_equal(sqrt_gate.matrix * sqrt_gate.matrix,
swap_gate.matrix)
assert np.array_equal(
sqrt_gate.matrix,
np.matrix([[1, 0, 0, 0], [0, 0.5 + 0.5j, 0.5 - 0.5j, 0],
[0, 0.5 - 0.5j, 0.5 + 0.5j, 0], [0, 0, 0, 1]]))
assert isinstance(_gates.SqrtSwap, _gates.SqrtSwapGate)
