ControlModifier
class qiskit.circuit.ControlModifier(num_ctrl_qubits=0, ctrl_state=None)
Bases: Modifier
Control modifier: specifies that the operation is controlled by num_ctrl_qubits and has control state ctrl_state.
Attributes
ctrl_state
Type: int | str | None
Default value: None
num_ctrl_qubits
Type: int
Default value: 0
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