Add multi-control functionality

include/mqt-core/zx/FunctionalityConstruction.hpp

@@ -85,8 +85,14 @@ class FunctionalityConstruction {
                       EdgeType type = EdgeType::Simple);
   static void addCphase(ZXDiagram& diag, const PiExpression& phase, Qubit ctrl,
                         Qubit target, std::vector<Vertex>& qubits);
+  static void addMcphase(ZXDiagram& diag, const PiExpression& phase,
+                         const std::vector<Qubit>& controls, Qubit target,
+                         std::vector<Vertex>& qubits);
   static void addSwap(ZXDiagram& diag, Qubit target, Qubit target2,
                       std::vector<Vertex>& qubits);
+  static void addMcswap(ZXDiagram& diag, const std::vector<Qubit>& controls,
+                        Qubit target, Qubit target2,
+                        std::vector<Vertex>& qubits);
   static void
   addRzz(ZXDiagram& diag, const PiExpression& phase, Qubit target,
          Qubit target2, std::vector<Vertex>& qubits,
@@ -99,6 +105,11 @@ class FunctionalityConstruction {
   addRzx(ZXDiagram& diag, const PiExpression& phase, Qubit target,
          Qubit target2, std::vector<Vertex>& qubits,
          const std::optional<double>& unconvertedPhase = std::nullopt);
+  static void
+  addMcrzz(ZXDiagram& diag, const PiExpression& phase,
+           const std::vector<Qubit>& controls, const Qubit target,
+           const Qubit target2, std::vector<Vertex>& qubits,
+           const std::optional<double>& unconvertedPhase = std::nullopt);
   static void addDcx(ZXDiagram& diag, Qubit qubit1, Qubit qubit2,
                      std::vector<Vertex>& qubits);
   static void
@@ -113,6 +124,24 @@ class FunctionalityConstruction {
                const std::optional<double>& unconvertedBeta = std::nullopt);
   static void addCcx(ZXDiagram& diag, Qubit ctrl0, Qubit ctrl1, Qubit target,
                      std::vector<Vertex>& qubits);
+  static void addCcz(ZXDiagram& diag, Qubit ctrl0, Qubit ctrl1, Qubit target,
+                     std::vector<Vertex>& qubits);
+  static void addCrx(ZXDiagram& diag, const PiExpression& phase,
+                     const Qubit control, const Qubit target,
+                     std::vector<Vertex>& qubits);
+  static void addMcrx(ZXDiagram& diag, const PiExpression& phase,
+                      std::vector<Qubit> controls, const Qubit target,
+                      std::vector<Vertex>& qubits);
+  static void addCrz(ZXDiagram& diag, const PiExpression& phase,
+                     const Qubit control, const Qubit target,
+                     std::vector<Vertex>& qubits);
+  static void addMcrz(ZXDiagram& diag, const PiExpression& phase,
+                      std::vector<Qubit> controls, const Qubit target,
+                      std::vector<Vertex>& qubits);
+  static void addMcx(ZXDiagram& diag, std::vector<Qubit> controls,
+                     const Qubit target, std::vector<Vertex>& qubits);
+  static void addMcz(ZXDiagram& diag, std::vector<Qubit> controls,
+                     const Qubit target, std::vector<Vertex>& qubits);
   static op_it parseOp(ZXDiagram& diag, op_it it, op_it end,
                        std::vector<Vertex>& qubits, const qc::Permutation& p);
   static op_it parseCompoundOp(ZXDiagram& diag, op_it it, op_it end,