fixed Sigmoid function and modifications

include/NeuralNetwork/ActivationFunction/Heaviside.h

@@ -8,6 +8,7 @@ namespace ActivationFunction {
 	class Heaviside: public ActivationFunction {
 		public:
 			Heaviside(const float &lambdaP=1.0): lambda(lambdaP) {}
+
 			inline virtual float derivatedOutput(const float &,const float &) override { return 1.0;  }
 			inline virtual float operator()(const float &x) override { return x>lambda ? 1.0f : 0.0f; };