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DAG Circuits

qiskit.dagcircuit


Circuits as Directed Acyclic Graphs

DAGCircuitQuantum circuit as a directed acyclic graph.
DAGNodeParent class for DAGOpNode, DAGInNode, and DAGOutNode.
DAGOpNodeObject to represent an Instruction at a node in the DAGCircuit.
DAGInNodeObject to represent an incoming wire node in the DAGCircuit.
DAGOutNodeObject to represent an outgoing wire node in the DAGCircuit.
DAGDepNode([type, op, name, qargs, cargs, ...])Object to represent the information at a node in the DAGDependency().
DAGDependency()Object to represent a quantum circuit as a Directed Acyclic Graph (DAG) via operation dependencies (i.e.

Exceptions

DAGCircuitError

exception qiskit.dagcircuit.DAGCircuitError(*msg)

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Bases: QiskitError

Base class for errors raised by the DAGCircuit object.

Set the error message.

DAGDependencyError

exception qiskit.dagcircuit.DAGDependencyError(*msg)

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Bases: QiskitError

Base class for errors raised by the DAGDependency object.

Set the error message.

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