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Support controlled gates in PyQVM #1277

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Support controlled gates in PyQVM #1277

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7 changes: 2 additions & 5 deletions pyquil/simulation/_numpy.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
from pyquil.pyqvm import AbstractQuantumSimulator
from pyquil.quilbase import Gate
from pyquil.simulation.matrices import QUANTUM_GATES
from pyquil.simulation.tools import lifted_gate

# The following function is lovingly copied from the Cirq project
# https://github.com/quantumlib/Cirq
Expand Down Expand Up @@ -149,11 +150,7 @@ def _get_gate_tensor_and_qubits(gate: Gate) -> Tuple[np.ndarray, List[int]]:
:param gate: the instruction
:return: tensor, qubit_inds.
"""
if len(gate.params) > 0:
matrix = QUANTUM_GATES[gate.name](*gate.params)
else:
matrix = QUANTUM_GATES[gate.name]

matrix = lifted_gate(gate, n_qubits=len(gate.qubits))
qubit_inds = [q.index for q in gate.qubits]

# e.g. 2-qubit matrix is 4x4; turns into (2,2,2,2) tensor.
Expand Down