getter for activation and basis function of neuron added

include/NeuralNetwork/Neuron.h

@@ -82,7 +82,16 @@ namespace NeuralNetwork
 			 * @brief Function returns clone of object
 			 */
 			virtual NeuronInterface* clone() const = 0;
-		protected:
+
+			/*
+			 * @brief getter for basis function of neuron
+			 */
+			virtual BasisFunction::BasisFunction& getBasisFunction() =0;
+
+			/*
+			 * @brief getter for activation function of neuron
+			 */
+			virtual ActivationFunction::ActivationFunction& getActivationFunction() =0;
 	};
 
 	/**
@@ -192,6 +201,14 @@ namespace NeuralNetwork
 				return n;
 			}
 
+			virtual BasisFunction::BasisFunction& getBasisFunction() override {
+				return *basis;
+			}
+
+			virtual ActivationFunction::ActivationFunction& getActivationFunction() override {
+				return *activation;
+			}
+
 		protected:
 
 			BasisFunction::BasisFunction *basis;
@@ -206,6 +223,19 @@ namespace NeuralNetwork
 
 	class BiasNeuron: public NeuronInterface {
 		public:
+			class usageException : public std::exception {
+				public:
+					usageException(const std::string &text_):text(text_) {
+
+					}
+
+					virtual const char* what() const noexcept override {
+						return text.c_str();
+					}
+				protected:
+					std::string text;
+			};
+
 			virtual float getBias() const override { return 0; };
 
 			virtual float getWeight(const NeuronInterface&)  const override { return 0; }
@@ -228,10 +258,32 @@ namespace NeuralNetwork
 			}
 
 			virtual BiasNeuron* clone() const { return new BiasNeuron(); }
+
+			virtual BasisFunction::BasisFunction& getBasisFunction() override {
+				throw usageException("basis function");
+			}
+
+			virtual ActivationFunction::ActivationFunction& getActivationFunction() override {
+				throw usageException("activation function");
+			}
+
 	};
 
 	class InputNeuron: public NeuronInterface {
 		public:
+			class usageException : public std::exception {
+				public:
+					usageException(const std::string &text_):text(text_) {
+
+					}
+
+					virtual const char* what() const noexcept override {
+						return text.c_str();
+					}
+				protected:
+					std::string text;
+			};
+
 			InputNeuron(long unsigned int _id): id_(_id) {
 				
 			}
@@ -258,6 +310,14 @@ namespace NeuralNetwork
 			}
 
 			virtual InputNeuron* clone() const { return new InputNeuron(id_); }
+
+			virtual BasisFunction::BasisFunction& getBasisFunction() override {
+				throw usageException("basis function");
+			}
+
+			virtual ActivationFunction::ActivationFunction& getActivationFunction() override {
+				throw usageException("activation function");
+			}
 		protected:
 			long unsigned int id_;
 	};