Cascade2 algo implementation

include/NeuralNetwork/ConstructiveAlgorithms/Cascade2.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include "../Cascade/Network.h"
+#include "../FeedForward/Network.h"
+#include "../Learning/QuickPropagation.h"
+
+#include "CascadeCorrelation.h"
+
+#include <random>
+#include <algorithm>
+
+// http://fann.cvs.sourceforge.net/viewvc/fann/fann/src/fann_cascade.c?view=markup
+// https://github.com/gtomar/cascade
+
+namespace NeuralNetwork {
+	namespace ConstructiveAlgorihtms {
+		class Cascade2 : public CascadeCorrelation {
+			public:
+				typedef std::pair<std::vector<float>, std::vector<float>> TrainingPattern;
+
+				Cascade2(std::size_t numberOfCandidate = 18, float maxError = 0.7) : CascadeCorrelation(numberOfCandidate, maxError) {
+				}
+
+			protected:
+
+				virtual std::pair<std::shared_ptr<Neuron>, std::vector<float>> trainCandidates(Cascade::Network &network, std::vector<std::shared_ptr<Neuron>> &candidates,
+																					   const std::vector<TrainingPattern> &patterns) override;
+		};
+
+	}
+}