def get_param_str(op, drawer, ndigits=3):
"""Get the params as a string to add to the gate text display"""
if not hasattr(op, "params") or any(
isinstance(param, np.ndarray) for param in op.params):
return ""
if isinstance(op, Delay):
param_list = [f"{op.params[0]}[{op.unit}]"]
else:
param_list = []
for count, param in enumerate(op.params):
# Latex drawer will cause an xy-pic error and mpl drawer will overwrite
# the right edge if param string too long, so limit params.
if (drawer == "latex" and count > 3) or (drawer == "mpl"
and count > 15):
param_list.append("...")
break
try:
param_list.append(
pi_check(param, output=drawer, ndigits=ndigits))
except TypeError:
param_list.append(str(param))
param_str = ""
if param_list:
if drawer == "latex":
param_str = f"\\,(\\mathrm{{{','.join(param_list)}}})"
elif drawer == "mpl":
param_str = f"{', '.join(param_list)}".replace("-", "$-$")
else:
param_str = f"({','.join(param_list)})"
return param_str
def build_gate_call(self, instruction: CircuitInstruction):
"""Builds a QuantumGateCall"""
if isinstance(instruction.operation, standard_gates.UGate):
gate_name = ast.Identifier("U")
else:
gate_name = ast.Identifier(
self.global_namespace[instruction.operation])
qubits = [
self.build_single_bit_reference(qubit)
for qubit in instruction.qubits
]
if self.disable_constants:
parameters = [
ast.Expression(self._rebind_scoped_parameters(param))
for param in instruction.operation.params
]
else:
parameters = [
ast.Expression(
pi_check(self._rebind_scoped_parameters(param),
output="qasm"))
for param in instruction.operation.params
]
return ast.QuantumGateCall(gate_name, qubits, parameters=parameters)
def build_quantumgatecall(self, instruction):
"""Builds a QuantumGateCall"""
if isinstance(instruction[0], UGate):
quantumGateName = Identifier("U")
else:
quantumGateName = Identifier(self.global_namespace[instruction[0]])
indexIdentifierList = self.build_indexIdentifierlist(instruction[1])
if self.disable_constants:
parameters = [Expression(param) for param in instruction[0].params]
else:
parameters = [
Expression(pi_check(param, output="qasm"))
for param in instruction[0].params
]
return QuantumGateCall(quantumGateName,
indexIdentifierList,
parameters=parameters)
def __repr__(self):
# FIXME: this is worth making prettier since it's very useful for debugging
return ("{}\n{}\n{}\nUd({}, {}, {})\n{}\n{}\n".format(
pi_check(self.global_phase), np.array_str(self.K1l),
np.array_str(self.K1r), self.a, self.b, self.c,
np.array_str(self.K2l), np.array_str(self.K2r)))