module cSWAP (
	qbit ctrl,
	qbit a,
	qbit b
) {

	CNOT(b, a);
	Toffoli(ctrl, a, b);
	CNOT(b, a);

}

// Scaffold doesn't allow overloading module names based on module parameter signature
// cSWAPs is vector of gates on vectors of qubits
module cSWAPs (
	qbit ctrl,
	const unsigned int width,
	qbit a[],
	qbit b[]
) {

	for (int i=0; i<width; i++) {
		CNOT(b[i], a[i]);
		Toffoli(ctrl, a[i], b[i]);
		CNOT(b[i], a[i]);
	}

}