Anders and Briegel in Python
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  1. from abp import GraphState
  2. from abp import CircuitModel
  3. from abp import clifford
  4. import numpy as np
  5. import random
  6. from tqdm import tqdm
  7. REPEATS = 10
  8. DEPTH = 1000
  9. def test_single_qubit():
  10. """ A multi qubit test with Hadamards only"""
  11. for repeat in tqdm(range(REPEATS), desc="Testing against circuit model"):
  12. g = GraphState([0])
  13. c = CircuitModel(1)
  14. for i in range(100):
  15. op = random.randint(0, 23)
  16. g.act_local_rotation(0, op)
  17. c.act_local_rotation(0, clifford.unitaries[op])
  18. assert g.to_state_vector() == c
  19. def test_hadamard_only_multiqubit(n=6):
  20. """ A multi qubit test with Hadamards only"""
  21. for repeat in tqdm(range(REPEATS), desc="Testing against circuit model"):
  22. g = GraphState(range(n))
  23. c = CircuitModel(n)
  24. for i in range(n):
  25. g.act_hadamard(i)
  26. c.act_hadamard(i)
  27. assert g.to_state_vector() == c
  28. for i in range(100):
  29. a, b = np.random.randint(0, n - 1, 2)
  30. if a != b:
  31. g.act_cz(a, b)
  32. c.act_cz(a, b)
  33. assert g.to_state_vector() == c
  34. def test_all_multiqubit(n=4):
  35. """ A multi qubit test with arbitrary local rotations """
  36. g = GraphState(range(n))
  37. c = CircuitModel(n)
  38. for i in range(10):
  39. qubit = np.random.randint(0, n - 1)
  40. rotation = np.random.randint(0, 24 - 1)
  41. g.act_local_rotation(qubit, rotation)
  42. c.act_local_rotation(qubit, clifford.unitaries[rotation])
  43. assert g.to_state_vector() == c
  44. for repeat in tqdm(range(REPEATS), desc="Testing against circuit model"):
  45. a, b = np.random.randint(0, n - 1, 2)
  46. if a != b:
  47. g.act_cz(a, b)
  48. c.act_cz(a, b)
  49. assert np.allclose(np.sum(np.abs(c.state) ** 2), 1)
  50. assert np.allclose(
  51. np.sum(np.abs(g.to_state_vector().state) ** 2), 1)
  52. assert g.to_state_vector() == c
  53. assert g.to_state_vector() == c
  54. def test_all(n=8):
  55. """ A multi qubit test with arbitrary local rotations """
  56. g = GraphState(range(n))
  57. c = CircuitModel(n)
  58. for repeat in tqdm(xrange(REPEATS), "Testing against circuit model"):
  59. for step in xrange(DEPTH):
  60. if random.random()>0.5:
  61. qubit = np.random.randint(0, n - 1)
  62. rotation = np.random.randint(0, 24 - 1)
  63. g.act_local_rotation(qubit, rotation)
  64. c.act_local_rotation(qubit, clifford.unitaries[rotation])
  65. else:
  66. a, b = np.random.randint(0, n - 1, 2)
  67. if a != b:
  68. g.act_cz(a, b)
  69. c.act_cz(a, b)
  70. assert g.to_state_vector() == c