Update utils.py

qiskit/circuit/random/utils.py

@@ -208,76 +208,3 @@ def random_circuit(
         qc.measure(qc.qubits, cr)
 
     return qc
-<<<<<<< HEAD
-=======
-
-
-def random_clifford_circuit(num_qubits, num_gates, gates="all", seed=None):
-    """Generate a pseudo-random Clifford circuit.
-
-    This function will generate a Clifford circuit by randomly selecting the chosen amount of Clifford
-    gates from the set of standard gates in :mod:`qiskit.circuit.library.standard_gates`. For example:
-
-    .. plot::
-       :include-source:
-
-       from qiskit.circuit.random import random_clifford_circuit
-
-       circ = random_clifford_circuit(num_qubits=2, num_gates=6)
-       circ.draw(output='mpl')
-
-    Args:
-        num_qubits (int): number of quantum wires.
-        num_gates (int): number of gates in the circuit.
-        gates (list[str]): optional list of Clifford gate names to randomly sample from.
-            If ``"all"`` (default), use all Clifford gates in the standard library.
-        seed (int | np.random.Generator): sets random seed/generator (optional).
-
-    Returns:
-        QuantumCircuit: constructed circuit
-    """
-
-    gates_1q = list(set(_BASIS_1Q.keys()) - {"v", "w", "id", "iden", "sinv"})
-    gates_2q = list(_BASIS_2Q.keys())
-
-    if gates == "all":
-        if num_qubits == 1:
-            gates = gates_1q
-        else:
-            gates = gates_1q + gates_2q
-
-    instructions = {
-        "i": (standard_gates.IGate(), 1),
-        "x": (standard_gates.XGate(), 1),
-        "y": (standard_gates.YGate(), 1),
-        "z": (standard_gates.ZGate(), 1),
-        "h": (standard_gates.HGate(), 1),
-        "s": (standard_gates.SGate(), 1),
-        "sdg": (standard_gates.SdgGate(), 1),
-        "sx": (standard_gates.SXGate(), 1),
-        "sxdg": (standard_gates.SXdgGate(), 1),
-        "cx": (standard_gates.CXGate(), 2),
-        "cy": (standard_gates.CYGate(), 2),
-        "cz": (standard_gates.CZGate(), 2),
-        "swap": (standard_gates.SwapGate(), 2),
-        "iswap": (standard_gates.iSwapGate(), 2),
-        "ecr": (standard_gates.ECRGate(), 2),
-        "dcx": (standard_gates.DCXGate(), 2),
-    }
-
-    if isinstance(seed, np.random.Generator):
-        rng = seed
-    else:
-        rng = np.random.default_rng(seed)
-
-    samples = rng.choice(gates, num_gates)
-
-    circ = QuantumCircuit(num_qubits)
-
-    for name in samples:
-        gate, nqargs = instructions[name]
-        qargs = rng.choice(range(num_qubits), nqargs, replace=False).tolist()
-        circ.append(gate, qargs, copy=False)
-
-    return circ
->>>>>>> 41267ecf5 (Add clifford gates to collect_cliffords (#12750))