From 650a2f680ec403d8b2a044674e296b9cab7af793 Mon Sep 17 00:00:00 2001
From: Justin Worthe <justin.worthe@gmail.com>
Date: Mon, 27 Jul 2015 20:56:04 +0200
Subject: Added test and abstract neural node

---
 include/brain/neural_link.h    |  4 +++-
 include/brain/neural_network.h | 14 ++++++++++----
 include/brain/neural_node.h    |  7 +++++++
 include/brain/neuron.h         |  5 ++++-
 include/brain/sensor.h         | 13 +++++++++++++
 include/brain/sensor_neuron.h  |  7 -------
 6 files changed, 37 insertions(+), 13 deletions(-)
 create mode 100644 include/brain/neural_node.h
 create mode 100644 include/brain/sensor.h
 delete mode 100644 include/brain/sensor_neuron.h

(limited to 'include')

diff --git a/include/brain/neural_link.h b/include/brain/neural_link.h
index d89ac18..447b26f 100644
--- a/include/brain/neural_link.h
+++ b/include/brain/neural_link.h
@@ -2,12 +2,14 @@
 
 #include <memory>
 
+#include "neural_node.h"
+
 class NeuralLink
 {
 public:
     double weightedActivation();
     
 private:
-    std::shared_ptr<Neuron> _input;
+    std::shared_ptr<NeuralNode> _input;
     double _weight;
 };
diff --git a/include/brain/neural_network.h b/include/brain/neural_network.h
index d62112c..99e5f60 100644
--- a/include/brain/neural_network.h
+++ b/include/brain/neural_network.h
@@ -4,17 +4,23 @@
 #include <istream>
 #include <vector>
 
+#include "brain/neural_node.h"
+#include "brain/sensor.h"
+
 class NeuralNetwork
 {
 public:
     NeuralNetwork(std::istream &&networkConfigFile, int numberOfSensors, int numberOfOutputs);
 
     void setInput(int inputIndex, double activation);
-    int findOutputIndex();
+    int findMaxOutputIndex();
+
+    int numberOfSensors();
+    int numberOfOutputs();
 	
 private:
-    std::vector<std::shared_ptr<Neuron>> _neurons;
-    std::vector<std::shared_ptr<SensorNeuron>> _sensors;
-    std::vector<std::shared_ptr<Neuron>> _outputs;
+    std::vector<std::shared_ptr<NeuralNode>> _nodes;
+    std::vector<std::shared_ptr<Sensor>> _sensors;
+    std::vector<std::shared_ptr<NeuralNode>> _outputs;
 };
 
diff --git a/include/brain/neural_node.h b/include/brain/neural_node.h
new file mode 100644
index 0000000..abc27b8
--- /dev/null
+++ b/include/brain/neural_node.h
@@ -0,0 +1,7 @@
+#pragma once
+
+class NeuralNode
+{
+public:
+    virtual double activation() = 0;
+};
diff --git a/include/brain/neuron.h b/include/brain/neuron.h
index dd658cd..1878752 100644
--- a/include/brain/neuron.h
+++ b/include/brain/neuron.h
@@ -3,7 +3,10 @@
 #include <memory>
 #include <vector>
 
-class Neuron
+#include "neural_node.h"
+#include "neural_link.h"
+
+class Neuron : public NeuralNode
 {
 public:
     virtual double activation();
diff --git a/include/brain/sensor.h b/include/brain/sensor.h
new file mode 100644
index 0000000..cdee218
--- /dev/null
+++ b/include/brain/sensor.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include "brain/neural_node.h"
+
+class Sensor: public NeuralNode
+{
+private:
+    double _activation;
+    
+public:
+    void setActivation(double activation);
+    virtual double activation();
+};
diff --git a/include/brain/sensor_neuron.h b/include/brain/sensor_neuron.h
deleted file mode 100644
index fb3d4df..0000000
--- a/include/brain/sensor_neuron.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#pragma once
-
-class SensorNeuron: public Neuron
-{
-public:
-    setActivation(double activation);
-};
-- 
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