#pragma once

#include "./ActivationFunction.h"

namespace NeuralNetwork {
namespace ActivationFunction {

	class Heaviside: public ActivationFunction {
		public:
			Heaviside(const float &lambdaP=1.0): lambda(lambdaP) {}

			inline virtual float derivatedOutput(const float &,const float &) const override { return 1.0;  }
			inline virtual float operator()(const float &x) const override { return x>lambda ? 1.0f : 0.0f; };

			virtual ActivationFunction* clone() const override {
				return new Heaviside(lambda);
			}

			virtual SimpleJSON::Type::Object serialize() const override {
				return {{"class", "NeuralNetwork::ActivationFunction::Heaviside"}, {"lambda", lambda}};
			}

			static std::unique_ptr<Heaviside> deserialize(const SimpleJSON::Type::Object &obj) {
				return std::unique_ptr<Heaviside>(new Heaviside(obj["lambda"].as<double>()));
			}

		protected:
			float lambda;

		NEURAL_NETWORK_REGISTER_ACTIVATION_FUNCTION(NeuralNetwork::ActivationFunction::Heaviside, Heaviside::deserialize)
	};
}
}