C4XGate

class C4XGate(label=None, ctrl_state=None)

The 4-qubit controlled X gate.

This implementation is based on Page 21, Lemma 7.5, of [1].

References

[1] Barenco et al., 1995. https://arxiv.org/pdf/quant-ph/9503016.pdf

Create a new 4-qubit controlled X gate.

Attributes

C4XGate.ctrl_state	Return the control state of the gate as a decimal integer.
C4XGate.decompositions	Get the decompositions of the instruction from the SessionEquivalenceLibrary.
C4XGate.definition	Return definition in terms of other basic gates.
C4XGate.label	Return gate label
C4XGate.params	return instruction params.

Methods

C4XGate.add_decomposition(decomposition)	Add a decomposition of the instruction to the SessionEquivalenceLibrary.
C4XGate.assemble()	Assemble a QasmQobjInstruction
C4XGate.broadcast_arguments(qargs, cargs)	Validation and handling of the arguments and its relationship.
C4XGate.c_if(classical, val)	Add classical condition on register classical and value val.
C4XGate.control([num_ctrl_qubits, label, …])	Controlled version of this gate.
C4XGate.copy([name])	Copy of the instruction.
C4XGate.inverse()	Invert this gate.
C4XGate.is_parameterized()	Return True .IFF.
C4XGate.mirror()	For a composite instruction, reverse the order of sub-gates.
C4XGate.power(exponent)	Creates a unitary gate as gate^exponent.
C4XGate.qasm()	Return a default OpenQASM string for the instruction.
C4XGate.repeat(n)	Creates an instruction with gate repeated n amount of times.
C4XGate.to_matrix()	Return a Numpy.array for the gate unitary matrix.