SignalGenerators.hpp

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/*
Copyright (c) 2017-2026,
Battelle Memorial Institute; Lawrence Livermore National Security, LLC; Alliance for Energy
Innovation LLC.  See the top-level NOTICE for additional details. All rights reserved.
SPDX-License-Identifier: BSD-3-Clause
*/
#pragma once
 
#include "Source.hpp"
 
#include <complex>
#include <string>
 
namespace helics {
namespace apps {
    class RampGenerator: public SignalGenerator {
      private:
        double level = 0.0;  
        double ramp = 0.0;  
 
      public:
        RampGenerator() = default;
        explicit RampGenerator(std::string_view name): SignalGenerator(name) {}
        virtual void set(std::string_view parameter, double val) override;
 
        virtual defV generate(Time signalTime) override;
    };
 
    class SineGenerator: public SignalGenerator {
      private:
        double level = 0.0;  
        double frequency = 0.0;  
        double offset = 0.0;  
        double amplitude = 0.0;  
        double dAdt = 0.0;  
        double dfdt = 0.0;  
        double period = 1e7;  
        Time lastCycle = timeZero;
 
      public:
        SineGenerator() = default;
        explicit SineGenerator(std::string_view name): SignalGenerator(name) {}
        virtual void set(std::string_view parameter, double val) override;
 
        virtual defV generate(Time signalTime) override;
    };
 
    class PhasorGenerator: public SignalGenerator {
      private:
        double bias_real = 0.0;  
        double bias_imag = 0.0;  
        double frequency = 0.0;  
        double offset = 0.0;  
        double amplitude = 0.0;  
        double dAdt = 0.0;  
        double dfdt = 0.0;  
        // Time lastCycle = timeZero;
        std::complex<double> state{1.0, 0};
        std::complex<double> rotation{1.0, 0};
 
      public:
        PhasorGenerator() = default;
        explicit PhasorGenerator(std::string_view name): SignalGenerator(name) {}
        virtual void set(std::string_view parameter, double val) override;
        void set(std::string_view parameter, std::complex<double> val);
        virtual void setString(std::string_view parameter, std::string_view val) override;
        virtual defV generate(Time signalTime) override;
    };
}  // namespace apps
}  // namespace helics