C3XGate(angle=0.7853981633974483, label=None, ctrl_state=None)¶
The 3-qubit controlled X gate.
This implementation is based on Page 17 of .
 Barenco et al., 1995. https://arxiv.org/pdf/quant-ph/9503016.pdf
Create a new 3-qubit controlled X gate.
angle (float) – The angle used in the controlled-U1 gates. An angle of π/4 yields the 3-qubit controlled X gate, an angle of π/8 the 3-qubit controlled sqrt(X) gate.
label (str or None) – An optional label for the gate [Default: None]
ctrl_state (int or str or None) – control state expressed as integer, string (e.g. ‘110’), or None. If None, use all 1s.
Return the control state of the gate as a decimal integer.
Get the decompositions of the instruction from the SessionEquivalenceLibrary.
Return definition in terms of other basic gates.
Return gate label
Get number of control qubits.
return instruction params.
Add a decomposition of the instruction to the SessionEquivalenceLibrary.
Assemble a QasmQobjInstruction
Validation and handling of the arguments and its relationship.
Add classical condition on register classical and value val.
C3XGate.control([num_ctrl_qubits, label, …])
Controlled version of this gate.
Copy of the instruction.
Invert this gate.
Return True .IFF.
DEPRECATED: use instruction.reverse_ops().
Creates a unitary gate as gate^exponent.
Return a default OpenQASM string for the instruction.
Creates an instruction with gate repeated n amount of times.
For a composite instruction, reverse the order of sub-instructions.
Return a Numpy.array for the gate unitary matrix.