def _try_append_gate(self, op: ops.GateOperation,
qulacs_circuit: qulacs.QuantumCircuit,
indices: np.array):
# One qubit gate
if isinstance(op.gate, ops.pauli_gates._PauliX):
qulacs_circuit.add_X_gate(indices[0])
elif isinstance(op.gate, ops.pauli_gates._PauliY):
qulacs_circuit.add_Y_gate(indices[0])
elif isinstance(op.gate, ops.pauli_gates._PauliZ):
qulacs_circuit.add_Z_gate(indices[0])
elif isinstance(op.gate, ops.common_gates.HPowGate):
qulacs_circuit.add_H_gate(indices[0])
elif isinstance(op.gate, ops.common_gates.XPowGate):
qulacs_circuit.add_RX_gate(indices[0], -np.pi * op.gate._exponent)
elif isinstance(op.gate, ops.common_gates.YPowGate):
qulacs_circuit.add_RY_gate(indices[0], -np.pi * op.gate._exponent)
elif isinstance(op.gate, ops.common_gates.ZPowGate):
qulacs_circuit.add_RZ_gate(indices[0], -np.pi * op.gate._exponent)
elif isinstance(op.gate, ops.SingleQubitMatrixGate):
mat = op.gate._matrix
qulacs_circuit.add_dense_matrix_gate(indices[0], mat)
elif isinstance(op.gate, circuits.qasm_output.QasmUGate):
lmda = op.gate.lmda
theta = op.gate.theta
phi = op.gate.phi
gate = qulacs.gate.U3(indices[0], theta * np.pi, phi * np.pi,
lmda * np.pi)
qulacs_circuit.add_gate(gate)
# Two qubit gate
elif isinstance(op.gate, ops.common_gates.CNotPowGate):
if op.gate._exponent == 1.0:
qulacs_circuit.add_CNOT_gate(indices[0], indices[1])
else:
mat = _get_google_rotx(op.gate._exponent)
gate = qulacs.gate.DenseMatrix(indices[1], mat)
gate.add_control_qubit(indices[0], 1)
qulacs_circuit.add_gate(gate)
elif isinstance(op.gate, ops.common_gates.CZPowGate):
if op.gate._exponent == 1.0:
qulacs_circuit.add_CZ_gate(indices[0], indices[1])
else:
mat = _get_google_rotz(op.gate._exponent)
gate = qulacs.gate.DenseMatrix(indices[1], mat)
gate.add_control_qubit(indices[0], 1)
qulacs_circuit.add_gate(gate)
elif isinstance(op.gate, ops.common_gates.SwapPowGate):
if op.gate._exponent == 1.0:
qulacs_circuit.add_SWAP_gate(indices[0], indices[1])
else:
qulacs_circuit.add_dense_matrix_gate(indices, op._unitary_())
elif isinstance(op.gate, ops.parity_gates.XXPowGate):
qulacs_circuit.add_multi_Pauli_rotation_gate(
indices, [1, 1], -np.pi * op.gate._exponent)
elif isinstance(op.gate, ops.parity_gates.YYPowGate):
qulacs_circuit.add_multi_Pauli_rotation_gate(
indices, [2, 2], -np.pi * op.gate._exponent)
elif isinstance(op.gate, ops.parity_gates.ZZPowGate):
qulacs_circuit.add_multi_Pauli_rotation_gate(
indices, [3, 3], -np.pi * op.gate._exponent)
elif isinstance(op.gate, ops.TwoQubitMatrixGate):
indices.reverse()
mat = op.gate._matrix
qulacs_circuit.add_dense_matrix_gate(indices, mat)
# Three qubit gate
"""
# deprecated because these functions cause errors in gpu
elif isinstance(op.gate, ops.three_qubit_gates.CCXPowGate):
mat = _get_google_rotx(op.gate._exponent)
gate = qulacs.gate.DenseMatrix(indices[2], mat)
gate.add_control_qubit(indices[0],1)
gate.add_control_qubit(indices[1],1)
qulacs_circuit.add_gate(gate)
elif isinstance(op.gate, ops.three_qubit_gates.CCZPowGate):
mat = _get_google_rotz(op.gate._exponent)
gate = qulacs.gate.DenseMatrix(indices[2], mat)
gate.add_control_qubit(indices[0],1)
gate.add_control_qubit(indices[1],1)
qulacs_circuit.add_gate(gate)
"""
elif isinstance(op.gate, ops.three_qubit_gates.CSwapGate):
mat = np.zeros(shape=(4, 4))
mat[0, 0] = 1
mat[1, 2] = 1
mat[2, 1] = 1
mat[3, 3] = 1
gate = qulacs.gate.DenseMatrix(indices[1:], mat)
gate.add_control_qubit(indices[0], 1)
qulacs_circuit.add_gate(gate)
# Misc
elif protocols.has_unitary(op):
indices.reverse()
mat = op._unitary_()
qulacs_circuit.add_dense_matrix_gate(indices, mat)
# Not unitary
else:
return False
return True
def main():
## Example1
circuit = QuantumCircuit(3)
circuit.add_X_gate(0)
circuit.add_Y_gate(1)
circuit.add_Z_gate(2)
circuit.add_dense_matrix_gate([0,1], [[1,0,0,0],[0,1,0,0],[0,0,0,1],[0,0,1,0]])
circuit.add_CNOT_gate(2,0)
circuit.add_X_gate(2)
draw_circuit(circuit, verbose=1)
## Example2
circuit = QuantumCircuit(3)
circuit.add_X_gate(0)
circuit.add_Y_gate(1)
circuit.add_dense_matrix_gate([0,1], [[1,0,0,0],[0,1,0,0],[0,0,0,1],[0,0,1,0]])
circuit.add_Z_gate(2)
circuit.add_CNOT_gate(2,0)
circuit.add_X_gate(2)
draw_circuit(circuit, verbose=1)
## Example3
circuit = QuantumCircuit(3)
circuit.add_X_gate(1)
circuit.add_CZ_gate(0,2)
circuit.add_X_gate(1)
draw_circuit(circuit)
## Example4
circuit = QuantumCircuit(4)
##CCX0,2, 3
cx_gate = CNOT(2,3)
cx_mat_gate = to_matrix_gate(cx_gate)
control_index = 0
control_with_value = 1
cx_mat_gate.add_control_qubit(control_index, control_with_value)
circuit.add_gate(cx_mat_gate)
##CCX1,2, 3
ccx = TOFFOLI(1,2, 3)
circuit.add_gate(ccx)
##CCX1,2, 0
ccx = TOFFOLI(1,2, 0)
circuit.add_gate(ccx)
##CCX1,3, 0
ccx = TOFFOLI(1,3, 0)
circuit.add_gate(ccx)
##CCX1,3, 2
ccx = TOFFOLI(1,3, 2)
circuit.add_gate(ccx)
##SWAP0,1
circuit.add_SWAP_gate(0,1)
##SWAP0,2
circuit.add_SWAP_gate(0,2)
##SWAP1,3
circuit.add_SWAP_gate(1,3)
draw_circuit(circuit, verbose=1)
## Example5
circuit = QuantumCircuit(5)
## 3-qubit gate applied to [0,1,2]
mat = np.identity(2**3)
circuit.add_dense_matrix_gate([0,1,2], mat)
## 3-qubit gate applied to [0,3,4], and [1] qubit is control-qubit
c_dense_gate = DenseMatrix([0,3,4], mat)
control_index = 1
control_with_value = 1
c_dense_gate.add_control_qubit(control_index, control_with_value)
circuit.add_gate(c_dense_gate)
## 3-qubit gate applied to [0,2,4]
circuit.add_dense_matrix_gate([0,2,4], mat)
## SWAP gate aplied to [1,3], and [2] qubit is control-qubit
swp_gate = to_matrix_gate(SWAP(1,3))
control_index = 2
control_with_value = 1
swp_gate.add_control_qubit(control_index, control_with_value)
circuit.add_gate(swp_gate)
draw_circuit(circuit)