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Print multi-qubit circuit with asymmetric depolarizing noise correctly #5931

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Merged
merged 8 commits into from
Dec 19, 2022
Merged

Print multi-qubit circuit with asymmetric depolarizing noise correctly #5931

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4722aee
add correct print for multi qubit w/ adp
paaige Oct 26, 2022
4df6d7a
fix approx_eq to support multi-qubit channel comparisons
paaige Dec 1, 2022
cb0ded3
Merge branch 'master' into 5927
tanujkhattar Dec 19, 2022
63a76ff
Update cirq-core/cirq/ops/common_channels.py
tanujkhattar Dec 19, 2022
702a8ca
Update common_channels.py
tanujkhattar Dec 19, 2022
9603cf6
Update common_channels_test.py
tanujkhattar Dec 19, 2022
c0bcbec
Merge branch 'master' into 5927
tanujkhattar Dec 19, 2022
3b33292
Merge branch 'master' into 5927
tanujkhattar Dec 19, 2022
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4 changes: 3 additions & 1 deletion cirq-core/cirq/ops/common_channels.py
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,9 @@ def _circuit_diagram_info_(self, args: 'protocols.CircuitDiagramInfoArgs') -> st
]
else:
error_probabilities = [f"{pauli}:{p}" for pauli, p in self._error_probabilities.items()]
return f"A({', '.join(error_probabilities)})"
return [f"A({', '.join(error_probabilities)})"] + [
f'({i})' for i in range(1, self._num_qubits)
]

@property
def p_i(self) -> float:
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8 changes: 4 additions & 4 deletions cirq-core/cirq/ops/common_channels_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -814,16 +814,16 @@ def test_multi_asymmetric_depolarizing_channel_str():
def test_multi_asymmetric_depolarizing_channel_text_diagram():
a = cirq.asymmetric_depolarize(error_probabilities={'II': 2 / 3, 'XX': 1 / 3})
assert cirq.circuit_diagram_info(a, args=no_precision) == cirq.CircuitDiagramInfo(
wire_symbols=('A(II:0.6666666666666666, XX:0.3333333333333333)',)
wire_symbols=('A(II:0.6666666666666666, XX:0.3333333333333333)', '(1)')
)
assert cirq.circuit_diagram_info(a, args=round_to_6_prec) == cirq.CircuitDiagramInfo(
wire_symbols=('A(II:0.666667, XX:0.333333)',)
wire_symbols=('A(II:0.666667, XX:0.333333)', '(1)')
)
assert cirq.circuit_diagram_info(a, args=round_to_2_prec) == cirq.CircuitDiagramInfo(
wire_symbols=('A(II:0.67, XX:0.33)',)
wire_symbols=('A(II:0.67, XX:0.33)', '(1)')
)
assert cirq.circuit_diagram_info(a, args=no_precision) == cirq.CircuitDiagramInfo(
wire_symbols=('A(II:0.6666666666666666, XX:0.3333333333333333)',)
wire_symbols=('A(II:0.6666666666666666, XX:0.3333333333333333)', '(1)')
)


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