added support for bias

src/NeuralNetwork/FeedForward.h

@@ -39,12 +39,15 @@ namespace NeuralNetwork
 			FFNeuron(const FFNeuron&) = delete;
 			FFNeuron& operator=(const FFNeuron&) = delete;
 
-			inline virtual float getWeight(const int& i ) const override { return weights[i+1];}
+			inline virtual float getWeight(const int& i ) const override { return weights[i+1]; }
 			inline virtual void setWeight(const int& i,const float &p) override { weights[i+1]=p; }
 
 			inline virtual float output() const override { return out; }
 			inline virtual float input() const override { return inputs; }
 			inline virtual float derivatedOutput() const override { return function.derivatedOutput(inputs,out); }
+
+			inline virtual float getBias() const override { return weights[0]; }
+			inline virtual void setBias(const float & bias) override { weights[0]=bias; }
 		protected:
 			ActivationFunction::ActivationFunction &function;
 			float *weights;

src/NeuralNetwork/Neuron.h

@@ -40,6 +40,16 @@ namespace NeuralNetwork
 			 * @brief Returns value for derivation of activation function
 			 */
 			virtual float derivatedOutput() const=0;
+
+			/**
+			 * @brief Function sets bias for neuron
+			 */
+			virtual void setBias(const float &bias)=0;
+
+			/**
+			 * @brief Function returns bias for neuron
+			 */
+			virtual float getBias() const=0;
 		protected:
 	};
 }