memory_trace_2d.h

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#pragma once
 
#include <cmath>
#include <sstream>
#include <iomanip>
 
#include "element.h"
 
namespace dnf_composer::element
{
    struct MemoryTrace2DParameters final : ElementSpecificParameters
    {
        double tauBuild;   
        double tauDecay;   
        double threshold;  
 
        explicit MemoryTrace2DParameters(double tauBuild = 100.0,
                                         double tauDecay = 1000.0,
                                         double threshold = 0.5)
            : tauBuild(tauBuild), tauDecay(tauDecay), threshold(threshold)
        {}
 
        bool operator==(const MemoryTrace2DParameters& other) const
        {
            constexpr double epsilon = 1e-6;
            return std::abs(tauBuild  - other.tauBuild)  < epsilon &&
                   std::abs(tauDecay  - other.tauDecay)  < epsilon &&
                   std::abs(threshold - other.threshold) < epsilon;
        }
 
        [[nodiscard]] std::string toString() const override
        {
            std::ostringstream result;
            result << std::fixed << std::setprecision(2);
            result << "Parameters: ["
                << "TauBuild: "  << tauBuild  << ", "
                << "TauDecay: "  << tauDecay  << ", "
                << "Threshold: " << threshold << "]";
            return result.str();
        }
    };
 
    class MemoryTrace2D final : public Element
    {
    private:
        MemoryTrace2DParameters parameters;
    public:
        MemoryTrace2D(const ElementCommonParameters& elementCommonParameters,
                      const MemoryTrace2DParameters& parameters);
 
        void init() override;
        void step(double t, double deltaT) override;
        [[nodiscard]] std::string toString() const override;
        [[nodiscard]] std::shared_ptr<Element> clone() const override;
 
        void setParameters(const MemoryTrace2DParameters& parameters);
        [[nodiscard]] MemoryTrace2DParameters getParameters() const;
    };
}