DAG Circuits
qiskit.dagcircuit
Circuits as Directed Acyclic Graphs
DAGCircuit() | Quantum circuit as a directed acyclic graph. |
DAGNode([nid]) | Parent class for DAGOpNode, DAGInNode, and DAGOutNode. |
DAGOpNode(op[, qargs, cargs]) | Object to represent an Instruction at a node in the DAGCircuit. |
DAGInNode(wire) | Object to represent an incoming wire node in the DAGCircuit. |
DAGOutNode(wire) | Object 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)
Bases: QiskitError
Base class for errors raised by the DAGCircuit object.
Set the error message.
DAGDependencyError
exception qiskit.dagcircuit.DAGDependencyError(*msg)
Bases: QiskitError
Base class for errors raised by the DAGDependency object.
Set the error message.
Utilities
BlockCollapser(dag) | This class implements various strategies of consolidating blocks of nodes in a DAG (direct acyclic graph). |
BlockCollector(dag) | This class implements various strategies of dividing a DAG (directed acyclic graph) into blocks of nodes that satisfy certain criteria. |
BlockSplitter() | Splits a block of nodes into sub-blocks over disjoint qubits. |
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