ExponentialFunction.hh

// Copyright QED Software 2023.
 
#ifndef GRAIL_EXPONENTIAL_FUNCTION_H
#define GRAIL_EXPONENTIAL_FUNCTION_H
 
#include <cmath>
#include "Curve.hh"
 
namespace grail
{
namespace evaluator
{
    template <typename ContextType>
    class ExponentialFunction final : public Curve<ContextType>
    {
    public:
        ExponentialFunction(std::shared_ptr<Evaluator<ContextType>> childEvaluator, float base)
            : Curve<ContextType>{childEvaluator}, base{base}
        {
        }
 
        virtual float Sample(float argument) const override final
        {
            return std::pow(base, argument);
        }
 
        float GetBase() const { return base; }
        virtual data::EvaluatorType GetEvaluatorType() const override final { return data::EvaluatorType::CURVE_EXPONENTIAL; }
 
    private:
        float base = 0.0f;
    };
}
}
 
#endif // GRAIL_EXPONENTIAL_FUNCTION_H