gate_matrix.hpp

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#pragma once

#include "gate.hpp"
#include "type.hpp"

class DllExport QuantumGateMatrix : public QuantumGateBase{
private:
    ComplexMatrix _matrix_element;     
public:
    QuantumGateMatrix(const std::vector<UINT>& target_qubit_index_list, const ComplexMatrix& matrix_element, const std::vector<UINT>& control_qubit_index_list = {});

    QuantumGateMatrix(const std::vector<UINT>& target_qubit_index_list, ComplexMatrix* matrix_element, const std::vector<UINT>& control_qubit_index_list = {});

    QuantumGateMatrix(const std::vector<TargetQubitInfo>& target_qubit_index_list, const ComplexMatrix& matrix_element, const std::vector<ControlQubitInfo>& control_qubit_index_list = {});

    QuantumGateMatrix(const std::vector<TargetQubitInfo>& target_qubit_index_list, ComplexMatrix* matrix_element, const std::vector<ControlQubitInfo>& control_qubit_index_list = {});

    virtual ~QuantumGateMatrix() {};

    virtual void add_control_qubit(UINT qubit_index, UINT control_value);

    virtual void multiply_scalar(CPPCTYPE value) {
        _matrix_element *= value;
    }

    virtual void set_gate_property(UINT gate_property_) {
        _gate_property = gate_property_;
    }

    virtual void update_quantum_state(QuantumStateBase* state) override;

    virtual QuantumGateBase* copy() const override{
        return new QuantumGateMatrix(*this);
    };

    virtual void set_matrix(ComplexMatrix& matrix) const override{
        matrix = this->_matrix_element;
    }

    virtual std::string to_string() const override;

    friend DllExport std::ostream& operator<<(std::ostream& os, const QuantumGateMatrix& gate);

    friend DllExport std::ostream& operator<<(std::ostream& os, QuantumGateMatrix* gate);

};