gVdZddlmZddlmZddlmZddlmZGddeZ d S) zBarrier instruction. Can be applied to a :class:`~qiskit.circuit.QuantumCircuit` with the :meth:`~qiskit.circuit.QuantumCircuit.barrier` method. ) annotations QiskitError)deprecate_func) Instructionc`eZdZdZdZddfd Zddd Zed ddZxZ S)BarrierzA directive for circuit compilation to separate pieces of a circuit so that any optimizations or re-writes are constrained to only act between barriers. This will also appear in visualizations as a visual marker. TN num_qubitsintlabel str | Nonecb||_td|dg|dS)z Args: num_qubits: the number of qubits for the barrier. label: the optional label of this barrier. barrierr)r N)_labelsuper__init__)selfr r __class__s L/granary/edev/quantum/lib/python3.11/site-packages/qiskit/circuit/barrier.pyrzBarrier.__init__#s5   J2UCCCCCF annotatedboolc*t|jS)zSpecial case. Return self.)r r )rrs rinversezBarrier.inverse,st'''rz1.3.0zin 2.0.0)sinceremoval_timelinec td)Nz;Barriers are compiler directives and cannot be conditional.r)r classicalvals rc_ifz Barrier.c_if0sWXXXr)N)r r r r)F)rr) __name__ __module__ __qualname____doc__ _directiverrrr! __classcell__)rs@rr r s JDDDDDDD(((((^'J???YY@?YYYYYrr N) r% __future__rqiskit.exceptionsr qiskit.utilsr instructionrr rrr-s #"""""))))))''''''$$$$$$YYYYYkYYYYYr