ConstantFunction.hh

// Copyright QED Software 2023.
 
#ifndef GRAIL_CONSTANT_FUNCTION_H
#define GRAIL_CONSTANT_FUNCTION_H
 
#include "Curve.hh"
 
namespace grail
{
namespace evaluator
{
 template <typename ContextType>
 class ConstantFunction final : public Curve<ContextType>
 {
 public:
 ConstantFunction(std::shared_ptr<Evaluator<ContextType>> childEvaluator, float constant)
 : Curve<ContextType>{childEvaluator}, constant{constant}
 {
 }
 
 virtual float Sample(float) const override final
 {
 return constant;
 }
 
 float GetConstant() const { return constant; }
 virtual data::EvaluatorType GetEvaluatorType() const override final { return data::EvaluatorType::CURVE_CONSTANT; }
 
 private:
 float constant = 0.0f;
 };
}
}
#endif // GRAIL_CONSTANT_FUNCTION_H