qat.lang.CCNOT

qat.lang.CCNOT

Definition of the \(CCNOT\) gate (of arity \(3\)). This gate is part of the default gate set of myQLM and is defined in the default gate set default_gate_set().

Apply gate

from qat.lang import qrout, CCNOT

@qrout
def circ():
    CCNOT(0, 1, 2)

Control gate

from qat.lang import qrout, CCNOT

@qrout
def ctrl_circ():
    CCNOT.ctrl()(0, 1, 2, 3)

Multi-controlled gate

from qat.lang import qrout, CCNOT

@qrout
def multi_ctrl_circ():
    CCNOT.ctrl(2)(0, 1, 2, 3, 4)

Reverse gate

from qat.lang import qrout, CCNOT

@qrout
def reversed_circ():
    CCNOT.dag()(0, 1, 2)

This \(CCNOT\) gate is defined by:

\[\begin{split}\begin{vmatrix} 1 & 0 & 0 & 0 & 0 & 0 & 0 & 0 \\ 0 & 1 & 0 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 0 & 1 & 0 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 1 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 1 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 1 \\ 0 & 0 & 0 & 0 & 0 & 0 & 1 & 0 \\ \end{vmatrix}\end{split}\]