def compile_circuit(self,
abstract_circuit: QCircuit,
variables=None,
*args,
**kwargs) -> QCircuit:
"""
compile a circuit.
Parameters
----------
abstract_circuit: QCircuit
the circuit to compile.
variables:
(Default value = None):
list of the variables whose gates, specifically, must compile.
Used to prevent excess compilation in gates whose parameters are fixed.
Default: compile every single gate.
args
kwargs
Returns
-------
QCircuit; a compiled circuit.
"""
n_qubits = abstract_circuit.n_qubits
compiled = QCircuit(abstract_circuit.gates)
if variables is None:
# check & compile all gates
gatelist = enumerate(abstract_circuit.gates)
else:
# check & compile only gates which depend on variables
gatelist = []
for variable in variables:
gatelist += abstract_circuit._parameter_map[variable]
compiled_gates = []
for idx, gate in gatelist:
cg = gate
# print('into compile comes ', cg)
controlled = gate.is_controlled()
# order matters
# first the real multi-target gates
if controlled or self.trotterized:
cg = compile_trotterized_gate(gate=cg)
if controlled or self.gaussian:
cg = compile_gaussian_gate(gate=cg)
if controlled or self.exponential_pauli:
cg = compile_exponential_pauli_gate(gate=cg)
if self.swap:
cg = compile_swap(gate=cg)
# now every other multitarget gate which might be defined
if self.multitarget:
cg = compile_multitarget(gate=cg)
if self.multicontrol:
raise NotImplementedError(
"Multicontrol compilation does not work yet")
if self.hadamard_power:
cg = compile_h_power(gate=cg)
if self.phase_to_z:
cg = compile_phase_to_z(gate=cg)
if self.power:
cg = compile_power_gate(gate=cg)
if self.phase:
cg = compile_phase(gate=cg)
if controlled:
if self.cc_max:
cg = compile_to_cc(gate=cg)
if self.controlled_exponential_pauli:
cg = compile_exponential_pauli_gate(gate=cg)
if self.hadamard_power:
cg = compile_h_power(gate=cg)
if self.controlled_power:
cg = compile_power_gate(gate=cg)
if self.controlled_phase:
cg = compile_controlled_phase(gate=cg)
if self.toffoli:
cg = compile_toffoli(gate=cg)
if self.phase:
cg = compile_phase(gate=cg)
if self.controlled_rotation:
cg = compile_controlled_rotation(gate=cg)
if self.cc_max:
cg = compile_to_cc(gate=cg)
compiled_gates.append((idx, cg))
if len(compiled_gates) == 0:
return abstract_circuit
else:
pos, cgs = zip(*compiled_gates)
compiled = abstract_circuit.replace_gates(positions=pos,
circuits=cgs)
return compiled
def compile_circuit(self,
abstract_circuit: QCircuit,
variables=None,
*args,
**kwargs) -> QCircuit:
"""
compile a circuit.
Parameters
----------
abstract_circuit: QCircuit
the circuit to compile.
variables:
(Default value = None):
list of the variables whose gates, specifically, must compile.
Used to prevent excess compilation in gates whose parameters are fixed.
Default: compile every single gate.
args
kwargs
Returns
-------
QCircuit; a compiled circuit.
"""
n_qubits = abstract_circuit.n_qubits
compiled = QCircuit(abstract_circuit.gates)
if variables is None:
# check & compile all gates
gatelist = enumerate(abstract_circuit.gates)
else:
# check & compile only gates which depend on variables
gatelist = []
for variable in variables:
gatelist += abstract_circuit._parameter_map[variable]
compiled_gates = []
for idx, gate in gatelist:
cg = gate
controlled = gate.is_controlled()
if self.gradient_mode and (hasattr(cg, "eigenvalues_magnitude")
or hasattr(cg, "shifted_gates")):
compiled_gates.append((idx, QCircuit.wrap_gate(cg)))
continue
else:
if hasattr(cg, "compile"):
cg = QCircuit.wrap_gate(cg.compile())
for g in cg.gates:
if g.is_controlled():
controlled = True
# order matters
# first the real multi-target gates
if controlled or self.trotterized:
cg = compile_trotterized_gate(gate=cg)
if controlled or self.generalized_rotation:
cg = compile_generalized_rotation_gate(gate=cg)
if controlled or self.exponential_pauli:
cg = compile_exponential_pauli_gate(gate=cg)
if self.swap:
cg = compile_swap(gate=cg)
if self.phase_to_z:
cg = compile_phase_to_z(gate=cg)
if self.power:
cg = compile_power_gate(gate=cg)
if self.phase:
cg = compile_phase(gate=cg)
if self.ch_gate:
cg = compile_ch(gate=cg)
if self.y_gate:
cg = compile_y(gate=cg)
if self.ry_gate:
cg = compile_ry(gate=cg,
controlled_rotation=self.controlled_rotation)
if controlled:
if self.cc_max or self.multicontrol:
cg = compile_to_single_control(gate=cg)
if self.controlled_exponential_pauli:
cg = compile_exponential_pauli_gate(gate=cg)
if self.controlled_power:
cg = compile_controlled_power(gate=cg)
if self.controlled_phase:
cg = compile_controlled_phase(gate=cg)
if self.phase:
cg = compile_phase(gate=cg)
if self.toffoli:
cg = compile_toffoli(gate=cg)
if self.phase:
cg = compile_phase(gate=cg)
if self.controlled_rotation:
cg = compile_controlled_rotation(gate=cg)
compiled_gates.append((idx, cg))
if len(compiled_gates) == 0:
return abstract_circuit
else:
pos, cgs = zip(*compiled_gates)
compiled = abstract_circuit.replace_gates(positions=pos,
circuits=cgs)
return compiled
