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Anders and Briegel in Python
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  1. from abp.graphstate import GraphState

  2. from anders_briegel import graphsim

  3. import random

  4. import difflib

  5. import re

  6. 

  7. def compare(a, b):

  8.     """ Sketchy as you like. Remove this abomination """

  9.     aa = a.get_adj_list()

  10.     bb = b.adj_list()

  11.     try:

  12.         assert re.sub("\\s", "", aa) == re.sub("\\s", "", bb)

  13.     except AssertionError:

  14.         print aa

  15.         print bb

  16.         raise

  17. 

  18. def test_hadamard():

  19.     """ Test hadamards """

  20.     a = graphsim.GraphRegister(1)

  21.     b = GraphState()

  22.     b.add_node(0)

  23. 

  24.     compare(a, b)

  25.     a.hadamard(0)

  26.     b.act_hadamard(0)

  27.     compare(a, b)

  28.     a.hadamard(0)

  29.     b.act_hadamard(0)

  30.     compare(a, b)

  31. 

  32. 

  33. def test_local_rotations():

  34.     """ Test local rotations """

  35.     a = graphsim.GraphRegister(1)

  36.     b = GraphState()

  37.     b.add_node(0)

  38.     compare(a, b)

  39. 

  40.     for i in range(1000):

  41.         j = random.randint(0, 23)

  42.         a.local_op(0, graphsim.LocCliffOp(j))

  43.         b.act_local_rotation(0, j)

  44.         compare(a, b)

  45. 

  46. 

  47. def test_cz_table():

  48.     """ Test the CZ table """

  49.     for j in range(24):

  50.         a = graphsim.GraphRegister(2)

  51.         b = GraphState()

  52.         b.add_node(0)

  53.         b.add_node(1)

  54.         compare(a, b)

  55. 

  56.         a.local_op(0, graphsim.LocCliffOp(j))

  57.         b.act_local_rotation(0, j)

  58. 

  59.         a.local_op(1, graphsim.LocCliffOp(j))

  60.         b.act_local_rotation(1, j)

  61. 

  62.         a.cphase(0, 1)

  63.         b.act_cz(0, 1)

  64.         compare(a, b)

  65. 

  66. 

  67. 

  68. def test_1():

  69.     """ TODO: this one always succeeds """

  70.     N=10

  71. 

  72.     a = graphsim.GraphRegister(N)

  73.     b = GraphState()

  74. 

  75.     for i in range(N):

  76.         a.hadamard(i)

  77.         b.add_node(i)

  78.         b.act_hadamard(i)

  79. 

  80.     for i in range(N-1):

  81.         a.cphase(i, i+1)

  82.         b.act_cz(i, i+1)

  83. 

  84.     compare(a, b)

  85. 

  86. 

  87. def _test_2():

  88.     """ TODO: This one fails at the moment """

  89.     N=10

  90. 

  91.     a = graphsim.GraphRegister(N)

  92.     b = GraphState()

  93. 

  94.     for i in range(N):

  95.         b.add_node(i)

  96. 

  97.     for i in range(100):

  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. 

  107.     aa = a.get_adj_list()

  108.     bb = b.adj_list()

  109.     compare(a, b)