134 lines
4.8 KiB
Plaintext
134 lines
4.8 KiB
Plaintext
---
|
||
title: DAGOpNode (v1.2)
|
||
description: API reference for qiskit.dagcircuit.DAGOpNode in qiskit v1.2
|
||
in_page_toc_min_heading_level: 1
|
||
python_api_type: class
|
||
python_api_name: qiskit.dagcircuit.DAGOpNode
|
||
---
|
||
|
||
# DAGOpNode
|
||
|
||
<Class id="qiskit.dagcircuit.DAGOpNode" isDedicatedPage={true} signature="qiskit.dagcircuit.DAGOpNode" modifiers="class">
|
||
Bases: [`DAGNode`](qiskit.dagcircuit.DAGNode "qiskit._accelerate.circuit.DAGNode")
|
||
|
||
Object to represent an Instruction at a node in the DAGCircuit.
|
||
|
||
## Attributes
|
||
|
||
### cargs
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.cargs" />
|
||
|
||
### condition
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.condition" />
|
||
|
||
### definition
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.definition" />
|
||
|
||
### duration
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.duration" />
|
||
|
||
### label
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.label" />
|
||
|
||
### matrix
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.matrix" />
|
||
|
||
### name
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.name">
|
||
Returns the Instruction name corresponding to the op for this node
|
||
</Attribute>
|
||
|
||
### num\_clbits
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.num_clbits" />
|
||
|
||
### num\_qubits
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.num_qubits" />
|
||
|
||
### op
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.op" />
|
||
|
||
### params
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.params" />
|
||
|
||
### qargs
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.qargs" />
|
||
|
||
### sort\_key
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.sort_key" />
|
||
|
||
### unit
|
||
|
||
<Attribute id="qiskit.dagcircuit.DAGOpNode.unit" />
|
||
|
||
## Methods
|
||
|
||
### from\_instruction
|
||
|
||
<Function id="qiskit.dagcircuit.DAGOpNode.from_instruction" signature="from_instruction(instruction, /, *, dag=None, deepcopy=False)" modifiers="static" />
|
||
|
||
### is\_control\_flow
|
||
|
||
<Function id="qiskit.dagcircuit.DAGOpNode.is_control_flow" signature="is_control_flow()">
|
||
Is the [`Operation`](qiskit.circuit.Operation "qiskit.circuit.Operation") contained in this node a control-flow operation (i.e. an instance of [`ControlFlowOp`](qiskit.circuit.ControlFlowOp "qiskit.circuit.ControlFlowOp"))?
|
||
</Function>
|
||
|
||
### is\_controlled\_gate
|
||
|
||
<Function id="qiskit.dagcircuit.DAGOpNode.is_controlled_gate" signature="is_controlled_gate()">
|
||
Is the [`Operation`](qiskit.circuit.Operation "qiskit.circuit.Operation") contained in this node a subclass of [`ControlledGate`](qiskit.circuit.ControlledGate "qiskit.circuit.ControlledGate")?
|
||
</Function>
|
||
|
||
### is\_directive
|
||
|
||
<Function id="qiskit.dagcircuit.DAGOpNode.is_directive" signature="is_directive()">
|
||
Is the [`Operation`](qiskit.circuit.Operation "qiskit.circuit.Operation") contained in this node a directive?
|
||
</Function>
|
||
|
||
### is\_parameterized
|
||
|
||
<Function id="qiskit.dagcircuit.DAGOpNode.is_parameterized" signature="is_parameterized()">
|
||
Does this node contain any [`ParameterExpression`](qiskit.circuit.ParameterExpression "qiskit.circuit.ParameterExpression") parameters?
|
||
</Function>
|
||
|
||
### is\_standard\_gate
|
||
|
||
<Function id="qiskit.dagcircuit.DAGOpNode.is_standard_gate" signature="is_standard_gate()">
|
||
Is the [`Operation`](qiskit.circuit.Operation "qiskit.circuit.Operation") contained in this node a Qiskit standard gate?
|
||
</Function>
|
||
|
||
### semantic\_eq
|
||
|
||
<Function id="qiskit.dagcircuit.DAGOpNode.semantic_eq" github="https://github.com/Qiskit/qiskit/tree/stable/1.2/qiskit/dagcircuit/dagnode.py#L181-L237" signature="semantic_eq(node1, node2, bit_indices1, bit_indices2)" modifiers="static">
|
||
Check if DAG nodes are considered equivalent, e.g., as a node\_match for [`rustworkx.is_isomorphic_node_match()`](https://www.rustworkx.org/apiref/rustworkx.is_isomorphic_node_match.html#rustworkx.is_isomorphic_node_match "(in rustworkx v0.15)").
|
||
|
||
**Parameters**
|
||
|
||
* **node1** ([*DAGOpNode*](#qiskit.dagcircuit.DAGOpNode "qiskit.dagcircuit.DAGOpNode")*,* [*DAGInNode*](qiskit.dagcircuit.DAGInNode "qiskit.dagcircuit.DAGInNode")*,* [*DAGOutNode*](qiskit.dagcircuit.DAGOutNode "qiskit.dagcircuit.DAGOutNode")) – A node to compare.
|
||
* **node2** ([*DAGOpNode*](#qiskit.dagcircuit.DAGOpNode "qiskit.dagcircuit.DAGOpNode")*,* [*DAGInNode*](qiskit.dagcircuit.DAGInNode "qiskit.dagcircuit.DAGInNode")*,* [*DAGOutNode*](qiskit.dagcircuit.DAGOutNode "qiskit.dagcircuit.DAGOutNode")) – The other node to compare.
|
||
* **bit\_indices1** ([*dict*](https://docs.python.org/3/library/stdtypes.html#dict "(in Python v3.13)")) – Dictionary mapping Bit instances to their index within the circuit containing node1
|
||
* **bit\_indices2** ([*dict*](https://docs.python.org/3/library/stdtypes.html#dict "(in Python v3.13)")) – Dictionary mapping Bit instances to their index within the circuit containing node2
|
||
|
||
**Returns**
|
||
|
||
If node1 == node2
|
||
|
||
**Return type**
|
||
|
||
[Bool](circuit_classical#qiskit.circuit.classical.types.Bool "qiskit.circuit.classical.types.Bool")
|
||
</Function>
|
||
</Class>
|
||
|