def keep(potential_op: ops.Operation) -> bool:
return (protocols.has_channel(potential_op)
or (ops.op_gate_of_type(potential_op, ops.MeasurementGate)
is not None)
or isinstance(potential_op,
(ops.SamplesDisplay, ops.WaveFunctionDisplay,
ops.DensityMatrixDisplay)))
def is_measurement(val: Any) -> bool:
"""Returns whether or not the given value is a measurement.
A measurement must implement the `measurement_key` protocol and have a
channel, as represented by the `has_channel` protocol returning true.
"""
return measurement_key(val, None) is not None and has_channel(val)
def keep(potential_op: ops.Operation) -> bool:
return (protocols.has_channel(potential_op)
or ops.MeasurementGate.is_measurement(potential_op)
or isinstance(potential_op,
(ops.SamplesDisplay,
ops.WaveFunctionDisplay,
ops.DensityMatrixDisplay))
)
def _has_channel_(self):
return not self._is_parameterized_() and protocols.has_channel(
self.sub_gate)
def _has_channel_(self) -> bool:
return protocols.has_channel(self.sub_operation)
def keep(potential_op: ops.Operation) -> bool:
return (protocols.has_channel(potential_op)
or isinstance(potential_op.gate, ops.MeasurementGate))
def measure_or_mixture(op):
return not protocols.has_unitary(op) and (
protocols.is_measurement(op) or protocols.has_channel(op))
def _has_channel_(self) -> bool:
return protocols.has_channel(self.gate)
def keep(potential_op: ops.Operation) -> bool:
return (protocols.has_channel(potential_op)
or (ops.op_gate_of_type(potential_op, ops.MeasurementGate)
is not None))
def keep(potential_op: ops.Operation) -> bool:
return protocols.has_channel(
potential_op, allow_decompose=False) or isinstance(
potential_op.gate, ops.MeasurementGate)