Fix sign error in PhasedXZGate._canonical #2744
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Strilanc
commented
Feb 6, 2020
| cirq.testing.random_unitary(2), | ||
| cirq.testing.random_unitary(2), | ||
| cirq.testing.random_unitary(2), | ||
| np.array([[0, 1], [1j, 0]]), |
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This case used to fail.
Strilanc
commented
Feb 6, 2020
| @@ -120,7 +121,11 @@ def f(x, z, a): | |||
| t = f(1, 0.25, 0.5)._canonical() | |||
| assert t.x_exponent == 1 | |||
| assert t.z_exponent == 0 | |||
| assert t.axis_phase_exponent == 0.375 | |||
| assert t.axis_phase_exponent == -0.375 | |||
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The sign in this test was wrong.
dstrain115
approved these changes
Feb 6, 2020
|
Could this have caused any incorrect results? Or is this just a failure to adhere to the canonicalization convention? |
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