Anders and Briegel in Python
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test_cphase_against_anders.py 899B

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  1. import json
  2. import numpy as np
  3. import sys
  4. import os
  5. import itertools as it
  6. from string import maketrans
  7. from abp import clifford, qi, anders_cz
  8. def test_cz_table():
  9. """ Does our clifford code work with anders & briegel's table? """
  10. state_table = clifford.get_state_table(clifford.unitaries)
  11. ab_cz_table = anders_cz.cz_table
  12. rows = it.product([0, 1], it.combinations_with_replacement(range(24), 2))
  13. for bond, (c1, c2) in rows:
  14. # Pick the input state
  15. input_state = state_table[bond, c1, c2]
  16. # Go and compute the output
  17. computed_output = np.dot(qi.cz, input_state)
  18. computed_output = qi.normalize_global_phase(computed_output)
  19. # Now look up the answer in the table
  20. bondp, c1p, c2p = ab_cz_table[bond, c1, c2]
  21. table_output = state_table[bondp, c1p, c2p]
  22. assert np.allclose(computed_output, table_output)