Initial quantum circuit.

plugins/quantum_computing/src/QuantumGate.h

@@ -0,0 +1,87 @@
+#pragma once
+
+#include "QuantumCircuitElement.h"
+
+#include "QuantumWire.h"
+#include <vector>
+
+class QuantumGate : public QuantumCircuitElement
+{
+public:
+    enum class GateType
+    {
+        X,
+        Y,
+        Z,
+        H,
+        CNOT,
+        CUSTOM
+    };
+    virtual ~QuantumGate() = default;
+
+    virtual std::size_t getNumInputs() const = 0;
+
+    virtual std::size_t getNumOutputs() const = 0;
+
+    virtual AbstractQuantumWire* getInput(std::size_t idx) const = 0;
+
+    virtual AbstractQuantumWire* getOutput(std::size_t idx) const = 0;
+
+    virtual GateType getGateType() const = 0;
+
+    Type getType() const override
+    {
+        return Type::GATE;
+    }
+};
+using QuantumGatePtr = std::unique_ptr<QuantumGate>;
+
+
+class NInMOutQuantumGate : public QuantumGate
+{
+public:
+    NInMOutQuantumGate(std::size_t numIn, std::size_t numOut, std::vector<AbstractQuantumWire*> inputs = {}, std::vector<AbstractQuantumWire*> outputs = {});
+
+    virtual ~NInMOutQuantumGate() = default;
+
+    std::size_t getNumInputs() const override;
+
+    std::size_t getNumOutputs() const override;
+
+    AbstractQuantumWire* getInput(std::size_t idx) const override;
+
+    AbstractQuantumWire* getOutput(std::size_t idx) const override;
+
+    void setAtInput(std::size_t idx, AbstractQuantumWire* value);
+
+    void setAtOutput(std::size_t idx, AbstractQuantumWire* value);
+
+private:
+    std::size_t mNumIn{ 1 };
+    std::size_t mNumOut{ 1 };
+
+    std::vector<AbstractQuantumWire*> mInputs;
+    std::vector<AbstractQuantumWire*> mOutputs;
+};
+
+class TwoInOneOutQuantumGate : public NInMOutQuantumGate
+{
+public:
+    TwoInOneOutQuantumGate(AbstractQuantumWire* input0 = nullptr, AbstractQuantumWire* input1 = nullptr, AbstractQuantumWire* output = nullptr);
+
+    void setInput0(AbstractQuantumWire* input);
+
+    void setInput1(AbstractQuantumWire* input);
+
+    void setOutput(AbstractQuantumWire* output);
+};
+
+class OneInOneOutQuantumGate : public NInMOutQuantumGate
+{
+public:
+    OneInOneOutQuantumGate(AbstractQuantumWire* input = nullptr, AbstractQuantumWire* output = nullptr);
+
+    void setInput(AbstractQuantumWire* input);
+
+    void setOutput(AbstractQuantumWire* output);
+};