Anders and Briegel in Python
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  1. from abp import GraphState
  2. from anders_briegel import graphsim
  3. from abp import CircuitModel
  4. from abp import clifford
  5. import random
  6. import difflib
  7. import re
  8. from copy import deepcopy
  9. def compare(a, b):
  10. """ TODO: Sketchy as you like. Remove this abomination """
  11. aa = a.get_adj_list()
  12. bb = b.adj_list()
  13. try:
  14. assert re.sub("\\s", "", aa) == re.sub("\\s", "", bb)
  15. except AssertionError:
  16. print aa
  17. print bb
  18. raise
  19. def isequal(a, b):
  20. """ TODO: Sketchy as you like. Remove this abomination """
  21. aa = a.get_adj_list()
  22. bb = b.adj_list()
  23. return re.sub("\\s", "", aa) == re.sub("\\s", "", bb)
  24. def test_hadamard():
  25. """ Test hadamards """
  26. a = graphsim.GraphRegister(1)
  27. b = GraphState()
  28. b.add_node(0)
  29. compare(a, b)
  30. a.hadamard(0)
  31. b.act_hadamard(0)
  32. compare(a, b)
  33. a.hadamard(0)
  34. b.act_hadamard(0)
  35. compare(a, b)
  36. def test_local_rotations():
  37. """ Test local rotations """
  38. a = graphsim.GraphRegister(1)
  39. b = GraphState()
  40. b.add_node(0)
  41. compare(a, b)
  42. for i in range(1000):
  43. j = random.randint(0, 23)
  44. a.local_op(0, graphsim.LocCliffOp(j))
  45. b.act_local_rotation(0, j)
  46. compare(a, b)
  47. def test_cz_table(N=10):
  48. """ Test the CZ table """
  49. clifford.use_old_cz()
  50. for i in range(24):
  51. for j in range(24):
  52. a = graphsim.GraphRegister(2)
  53. b = GraphState()
  54. b.add_nodes([0, 1])
  55. a.local_op(0, graphsim.LocCliffOp(i))
  56. b.act_local_rotation(0, i)
  57. a.local_op(1, graphsim.LocCliffOp(j))
  58. b.act_local_rotation(1, j)
  59. a.cphase(0, 1)
  60. b.act_cz(0, 1)
  61. compare(a, b)
  62. for i in range(24):
  63. for j in range(24):
  64. a = graphsim.GraphRegister(2)
  65. b = GraphState()
  66. b.add_nodes([0, 1])
  67. a.local_op(0, graphsim.LocCliffOp(10))
  68. b.act_local_rotation(0, 10)
  69. a.cphase(0, 1)
  70. b.act_cz(0, 1)
  71. a.local_op(0, graphsim.LocCliffOp(i))
  72. b.act_local_rotation(0, i)
  73. a.local_op(1, graphsim.LocCliffOp(j))
  74. b.act_local_rotation(1, j)
  75. a.cphase(0, 1)
  76. b.act_cz(0, 1)
  77. compare(a, b)
  78. def test_with_cphase_gates_hadamard_only(N=10):
  79. """ Hadamrds and CPHASEs, deterministic """
  80. a = graphsim.GraphRegister(N)
  81. b = GraphState()
  82. for i in range(N):
  83. a.hadamard(i)
  84. b.add_node(i)
  85. b.act_hadamard(i)
  86. for i in range(N-1):
  87. a.cphase(i, i+1)
  88. b.act_cz(i, i+1)
  89. compare(a, b)
  90. def test_all(N=3):
  91. """ Test all gates at random """
  92. #TODO: Currently fails. Why???
  93. clifford.use_old_cz()
  94. a = graphsim.GraphRegister(N)
  95. b = GraphState(range(N))
  96. previous_state, previous_cz = None, None
  97. while isequal(a, b):
  98. if random.random()>0.5:
  99. j = random.randint(0, N-1)
  100. a.hadamard(j)
  101. b.act_hadamard(j)
  102. else:
  103. q = random.randint(0, N-2)
  104. a.cphase(q, q+1)
  105. b.act_cz(q, q+1)
  106. compare(a, b)