adding cz gate

Signed-off-by: Alex McCaskey <mccaskeyaj@ornl.gov>

quantum/gate/ir/instructions/CZ.cpp

+/*******************************************************************************
+ * Copyright (c) 2017 UT-Battelle, LLC.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompanies this
+ * distribution. The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License
+ * is available at https://eclipse.org/org/documents/edl-v10.php
+ *
+ * Contributors:
+ *   Alexander J. McCaskey - initial API and implementation
+ *******************************************************************************/
+#include "CZ.hpp"
+
+namespace xacc {
+namespace quantum {
+
+CZ::CZ(std::vector<int> qbits) :
+		GateInstruction("CZ", qbits) {
+}
+
+CZ::CZ(int srcqbit, int tgtqbit) :
+		CZ(std::vector<int> { srcqbit, tgtqbit }) {
+}
+//
+//void CZ::accept(std::shared_ptr<InstructionVisitor> visitor) {
+//	auto v = std::dynamic_pointer_cast<GateInstructionVisitor>(visitor);
+//	if (v) {
+//		v->visit(*this);
+//	} else {
+//		visitor->visit(*this);
+//	}
+//}
+
+RegisterGateInstruction<CZ> CZTEMP("CZ");
+
+}
+}

quantum/gate/ir/instructions/CZ.hpp

+/*******************************************************************************
+ * Copyright (c) 2017 UT-Battelle, LLC.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompanies this
+ * distribution. The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License
+ * is available at https://eclipse.org/org/documents/edl-v10.php
+ *
+ * Contributors:
+ *   Alexander J. McCaskey - initial API and implementation
+ *******************************************************************************/
+#ifndef QUANTUM_GATE_GATEQIR_INSTRUCTIONS_CZ_HPP_
+#define QUANTUM_GATE_GATEQIR_INSTRUCTIONS_CZ_HPP_
+
+#include "GateInstruction.hpp"
+
+namespace xacc {
+namespace quantum {
+
+/**
+ *
+ */
+class CZ: public virtual GateInstruction {
+public:
+	CZ(std::vector<int> qbits);
+
+	CZ(int srcqbit, int tgtqbit);
+
+	DEFINE_VISITABLE()
+};
+
+}
+}
+#endif