test

Fix a small bug (#384)

Co-authored-by: grace-harper <119029214+grace-harper@users.noreply.github.com>

Update README.md (#377)

Co-authored-by: grace-harper <119029214+grace-harper@users.noreply.github.com>

Issue #247 - Replace `execute` with `backend.run()` in `qiskit-qec` (#381)

* replace `execute` with `backend.run()` in `test_repetitionmatcher.py`

* replace `execute` with `backend.run()` in  `test_circuitmatcher.py`

* replace `execute` with `backend.run()` in  `test_heavy_hex_decoder.py`

* replace `execute` with `backend.run()` in `faultsampler.py`

* replace `execute` with `backend.run()` in `faultenumerator.py`

* formatting

* re-format test_repetitionmatcher.py

---------

Co-authored-by: grace-harper <119029214+grace-harper@users.noreply.github.com>

scrap

README.md

@@ -50,7 +50,7 @@ For information on how to contribute to this project, please take a look at our
 
 ## Acknowledgements
 
-Development was partially supported by IARPA under contract W911NF-16-1-0114. All statements of fact, opinion or conclusions contained herein are those of the authors and should not be construed as representing the official views or policies of the US Government.
+Development was partially supported by IARPA under contract W911NF-16-1-0114 and the DOE Office of Science National Quantum Information Science Research Centers, Co-design Center for Quantum Advantage (C2QA) under contract number DE-SC0012704. All statements of fact, opinion or conclusions contained herein are those of the authors and should not be construed as representing the official views or policies of the US Government.
 
 ----------------------------------------------------------------------------------------------------
 

scrap

@@ -0,0 +1 @@
+test

src/qiskit_qec/analysis/faultenumerator.py

@@ -18,7 +18,7 @@
 from qiskit import QuantumCircuit
 from qiskit.converters import circuit_to_dag
 from qiskit.circuit.library import IGate, XGate, YGate, ZGate
-from qiskit import execute, Aer
+from qiskit_aer import Aer
 
 from qiskit_qec.analysis.extensions import C_FAULT_ENUMERATOR
 
@@ -185,14 +185,9 @@ def gint(c):
             else:
                 return c
 
-        result = execute(
-            circ,
-            Aer.get_backend("aer_simulator"),
-            method="stabilizer",
-            shots=1,
-            optimization_level=0,
-            seed_simulator=self.sim_seed,
-        ).result()
+        backend = Aer.get_backend("aer_simulator")
+        options = {"method": "stabilizer", "shots": 1, "seed_simulator": self.sim_seed}
+        result = backend.run(circ, **options).result()
         outcomes = result.get_counts(circ)
         raw_outcome = list(outcomes.keys())[0]
         outcome = list(map(gint, raw_outcome[::-1]))

src/qiskit_qec/analysis/faultsampler.py

@@ -7,7 +7,7 @@
 from qiskit.dagcircuit.dagnode import DAGNode
 from qiskit.converters import circuit_to_dag
 from qiskit.circuit.library import IGate, XGate, YGate, ZGate
-from qiskit import execute, Aer
+from qiskit_aer import Aer
 
 from qiskit_qec.utils.dag import node_name_label
 
@@ -150,14 +150,9 @@ def gint(c):
             else:
                 return c
 
-        result = execute(
-            circ,
-            Aer.get_backend("aer_simulator"),
-            method="stabilizer",
-            shots=1,
-            optimization_level=0,
-            seed_simulator=self.sim_seed,
-        ).result()
+        backend = Aer.get_backend("aer_simulator")
+        options = {"method": "stabilizer", "shots": 1, "seed_simulator": self.sim_seed}
+        result = backend.run(circ, **options).result()
         outcomes = result.get_counts(circ)
         raw_outcome = list(outcomes.keys())[0]
         outcome = list(map(gint, raw_outcome[::-1]))

src/qiskit_qec/linear/symplectic.py

@@ -690,7 +690,7 @@ def _build_hyper_partner(matrix, index: int) -> np.ndarray:
     for i in range(ncols):
         if heads[i] == 1:
             result[i] = trans_e_index[pivot]
-            pivot = +1
+            pivot += 1
 
     return result
 

src/qiskit_qec/operators/pauli.py

@@ -521,11 +521,11 @@ def to_instruction(self):
             gate = {"I": IGate(), "X": XGate(), "Y": YGate(), "Z": ZGate()}[pauli]
         else:
             gate = PauliGate(pauli)
-        if not phase_exp[0]:
+        if not phase_exp:
             return gate
         # Add global phase
         circuit = QuantumCircuit(self.num_qubits, name=str(self))
-        circuit.global_phase = -phase_exp[0] * pi / 2
+        circuit.global_phase = -phase_exp * pi / 2
         circuit.append(gate, range(self.num_qubits))
         return circuit.to_instruction()
 

test/heavy_hex_codes/test_heavy_hex_decoder.py

@@ -1,7 +1,7 @@
 """Test a heavy-hexagon code decoder"""
 import unittest
 
-from qiskit import execute, Aer
+from qiskit_aer import Aer
 
 from qiskit_qec.codes.hhc import HHC
 from qiskit_qec.circuits.hhc_circuit import HHCCircuit
@@ -82,14 +82,9 @@ def no_faults_success(self, code, circ, dec, model, good=0, xbasis=False):
         """Test for correct behavior without faults."""
         shots = 10
         seed = 100
-        result = execute(
-            circ,
-            Aer.get_backend("aer_simulator"),
-            method="stabilizer",
-            shots=shots,
-            optimization_level=0,
-            seed_simulator=seed,
-        ).result()
+        backend = Aer.get_backend("aer_simulator")
+        options = {"method": "stabilizer", "shots": shots, "seed_simulator": seed}
+        result = backend.run(circ, **options).result()
         counts = result.get_counts(circ)
         dec.update_edge_weights(model)
         failures = 0

test/matching/test_circuitmatcher.py

@@ -1,7 +1,8 @@
 """Tests for the subsystem CSS circuit-level matching decoder."""
 import unittest
 
-from qiskit import execute, QuantumCircuit, Aer
+from qiskit import QuantumCircuit
+from qiskit_aer import Aer
 
 from qiskit_qec.analysis.faultenumerator import FaultEnumerator
 from qiskit_qec.decoders.circuit_matching_decoder import temp_syndrome
@@ -82,14 +83,9 @@ def test_no_errors(self):
             "rustworkx",
             False,
         )
-        result = execute(
-            self.qc,
-            Aer.get_backend("aer_simulator"),
-            method="stabilizer",
-            shots=shots,
-            optimization_level=0,
-            seed_simulator=seed,
-        ).result()
+        backend = Aer.get_backend("aer_simulator")
+        options = {"method": "stabilizer", "shots": shots, "seed_simulator": seed}
+        result = backend.run(self.qc, **options).result()
         counts = result.get_counts(self.qc)
         dec.update_edge_weights(self.pnm)
         failures = 0
@@ -120,14 +116,9 @@ def test_no_errors_pymatching(self):
             "pymatching",
             False,
         )
-        result = execute(
-            self.qc,
-            Aer.get_backend("aer_simulator"),
-            method="stabilizer",
-            shots=shots,
-            optimization_level=0,
-            seed_simulator=seed,
-        ).result()
+        backend = Aer.get_backend("aer_simulator")
+        options = {"method": "stabilizer", "shots": shots, "seed_simulator": seed}
+        result = backend.run(self.qc, **options).result()
         counts = result.get_counts(self.qc)
         dec.update_edge_weights(self.pnm)
         failures = 0

test/matching/test_repetitionmatcher.py

@@ -1,7 +1,7 @@
 """Tests for the subsystem CSS circuit-level matching decoder."""
 import unittest
 
-from qiskit import execute, Aer
+from qiskit_aer import Aer
 
 from qiskit_qec.analysis.faultenumerator import FaultEnumerator
 from qiskit_qec.decoders.circuit_matching_decoder import temp_syndrome
@@ -52,14 +52,9 @@ def gint(c):
         for logical in ["0", "1"]:
             dec = RepetitionDecoder(self.code_circuit, self.pnm, method, False, logical)
             qc = self.code_circuit.circuit[logical]
-            result = execute(
-                qc,
-                Aer.get_backend("aer_simulator"),
-                method="stabilizer",
-                shots=shots,
-                optimization_level=0,
-                seed_simulator=seed,
-            ).result()
+            backend = Aer.get_backend("aer_simulator")
+            options = {"method": "stabilizer", "shots": shots, "seed_simulator": seed}
+            result = backend.run(qc, **options).result()
             counts = result.get_counts(qc)
             dec.update_edge_weights(self.pnm)
             failures = 0

tox.ini

@@ -10,6 +10,7 @@ setenv =
   VIRTUAL_ENV={envdir}
   LANGUAGE=en_US
   LC_ALL=en_US.utf-8
+  JUPYTER_PLATFORM_DIRS=1
 deps = -r requirements.txt
        -r requirements-dev.txt
 commands =