1 files changed, 24 insertions, 0 deletions
diff --git a/src/brain/neuron.cpp b/src/brain/neuron.cpp
new file mode 100644
index 0000000..8c2e47c
--- /dev/null
+++ b/src/brain/neuron.cpp
@@ -0,0 +1,24 @@
+#include "brain/neuron.h"
+#include <cmath>
+
+Neuron::Neuron(int id)
+    :NeuralNode('n', id)
+{
+}
+
+double Neuron::sigmoid(double input) const
+{
+    double slope = 4.924273;
+    double constant = 2.4621365;
+    return (1/(1+(std::exp(-(slope*input)))));
+}
+
+double Neuron::activation() const
+{
+    double activationSum = 0;
+    for (auto link : _inputLinks)
+    {
+	activationSum += link->weightedActivation();
+    }
+    return sigmoid(activationSum);
+}