88 lines
2.6 KiB
Plaintext
88 lines
2.6 KiB
Plaintext
---
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title: DAGInNode
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description: API reference for qiskit.dagcircuit.DAGInNode
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in_page_toc_min_heading_level: 1
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python_api_type: class
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python_api_name: qiskit.dagcircuit.DAGInNode
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---
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# DAGInNode
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<Class id="qiskit.dagcircuit.DAGInNode" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.20/qiskit/dagcircuit/dagnode.py" signature="DAGInNode(wire)" modifiers="class">
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Bases: `qiskit.dagcircuit.dagnode.DAGNode`
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Object to represent an incoming wire node in the DAGCircuit.
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Create an incoming node
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## Methods
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### semantic\_eq
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<Function id="qiskit.dagcircuit.DAGInNode.semantic_eq" signature="DAGInNode.semantic_eq(node1, node2, bit_indices1=None, bit_indices2=None)" modifiers="static">
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Check if DAG nodes are considered equivalent, e.g., as a node\_match for nx.is\_isomorphic.
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**Parameters**
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* **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.
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* **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.
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* **bit\_indices1** (*dict*) – Dictionary mapping Bit instances to their index within the circuit containing node1
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* **bit\_indices2** (*dict*) – Dictionary mapping Bit instances to their index within the circuit containing node2
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**Returns**
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If node1 == node2
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**Return type**
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Bool
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</Function>
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## Attributes
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### cargs
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<Attribute id="qiskit.dagcircuit.DAGInNode.cargs">
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Returns list of Clbit, else an empty list.
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</Attribute>
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### condition
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<Attribute id="qiskit.dagcircuit.DAGInNode.condition">
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Returns the condition of the node.op
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</Attribute>
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### name
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<Attribute id="qiskit.dagcircuit.DAGInNode.name">
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Returns the Instruction name corresponding to the op for this node
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</Attribute>
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### op
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<Attribute id="qiskit.dagcircuit.DAGInNode.op">
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Returns the Instruction object corresponding to the op for the node, else None
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</Attribute>
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### qargs
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<Attribute id="qiskit.dagcircuit.DAGInNode.qargs">
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Returns list of Qubit, else an empty list.
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</Attribute>
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### sort\_key
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<Attribute id="qiskit.dagcircuit.DAGInNode.sort_key" />
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### type
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<Attribute id="qiskit.dagcircuit.DAGInNode.type">
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Returns the type object
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</Attribute>
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### wire
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<Attribute id="qiskit.dagcircuit.DAGInNode.wire" />
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</Class>
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