Anders and Briegel in Python
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  1. from abp import GraphState, CircuitModel, clifford
  2. import numpy as np
  3. from numpy import random
  4. import itertools as it
  5. import pytest
  6. mock = pytest.importorskip("mock")
  7. REPEATS = 100
  8. DEPTH = 100
  9. PAULIS = ("px", "py", "pz")
  10. def test_hadamard():
  11. """ Test hadamards """
  12. circuit = [(0, "hadamard")]
  13. mock.test_circuit(circuit, 1)
  14. def test_local_rotations():
  15. """ Test local rotations """
  16. for i in list(range(REPEATS)):
  17. circuit = [(0, random.choice(list(range(24)))) for j in range(DEPTH)]
  18. mock.test_circuit(circuit, 1)
  19. def test_times_table():
  20. """ Test times table """
  21. for i, j in it.product(list(range(24)), list(range(24))):
  22. circuit = [(0, i), (0, j)]
  23. mock.test_circuit(circuit, 1)
  24. def test_cz_table():
  25. """ Test the CZ table """
  26. for i, j in it.product(list(range(24)), list(range(24))):
  27. circuit = [(0, i), (1, j), ((0, 1), "cz")]
  28. mock.test_circuit(circuit, 2)
  29. def test_cz_hadamard(n=10):
  30. """ Test CZs and Hadamards at random """
  31. for i in list(range(REPEATS)):
  32. circuit = random.choice(["cz", "hadamard"], DEPTH)
  33. circuit = [(mock.random_pair(n), gate) if gate == "cz"
  34. else (random.choice(list(range(n))), gate)
  35. for gate in circuit]
  36. mock.test_circuit(circuit, n)
  37. def test_all(n=10):
  38. """ Test everything """
  39. for i in list(range(REPEATS)):
  40. circuit = random.choice(["cz"] * 10 + list(range(24)), DEPTH)
  41. circuit = [(mock.random_pair(n), gate) if gate == "cz"
  42. else (random.choice(list(range(n))), gate)
  43. for gate in circuit]
  44. mock.test_circuit(circuit, n)
  45. def test_single_qubit_measurement():
  46. """ Determinstic test of all single-qubit situations """
  47. space = it.product(list(range(24)), PAULIS, (0, 1))
  48. for rotation, measurement, outcome in space:
  49. a = mock.circuit_to_state(mock.ABPWrapper, 1, [(0, rotation)])
  50. b = mock.circuit_to_state(mock.AndersWrapper, 1, [(0, rotation)])
  51. result_a = a.measure(0, measurement, outcome)
  52. result_b = b.measure(0, measurement, outcome)
  53. assert result_a == result_b
  54. assert a == b
  55. def test_two_qubit_measurement():
  56. """ Various two-qubit measurements on a Bell state"""
  57. for measurement, outcome in it.product(PAULIS, (0, 1)):
  58. circuit = mock.bell_pair()
  59. a = mock.circuit_to_state(mock.ABPWrapper, 2, circuit)
  60. b = mock.circuit_to_state(mock.AndersWrapper, 2, circuit)
  61. assert a.measure(0, measurement, outcome) == \
  62. b.measure(0, measurement, outcome)
  63. assert a == b
  64. def test_graph_state_measurement(n = 10):
  65. """ Measuring random graph states """
  66. space = list(it.product(list(range(REPEATS)), PAULIS, (0, 1)))
  67. for i, measurement, outcome in space:
  68. circuit = mock.random_graph_circuit(n, DEPTH)
  69. a = mock.circuit_to_state(mock.ABPWrapper, n, circuit)
  70. b = mock.circuit_to_state(mock.AndersWrapper, n, circuit)
  71. a.measure(0, measurement, outcome)
  72. b.measure(0, measurement, outcome)
  73. assert a == b
  74. def test_stabilizer_state_measurement(n = 10):
  75. """ Measuring random stabilizer states """
  76. space = list(it.product(list(range(REPEATS)), PAULIS, (0, 1)))
  77. for i, measurement, outcome in space:
  78. circuit = mock.random_stabilizer_circuit(n, DEPTH)
  79. a = mock.circuit_to_state(mock.ABPWrapper, n, circuit)
  80. b = mock.circuit_to_state(mock.AndersWrapper, n, circuit)
  81. a.measure(0, measurement, outcome)
  82. b.measure(0, measurement, outcome)
  83. assert a == b