/// <summary> Creates a new <see cref="WeightLayer"/> for the given <paramref name="neuralNetwork"/> with the given <paramref name="index"/> and linked to the given <paramref name="nextNeuronLayer"/> and <paramref name="previousNeuronLayer"/>. </summary>
/// <param name="neuralNetwork"> The <see cref="IReadOnlyNeuralNetwork"/> this <see cref="WeightLayer"/> is for. </param>
/// <param name="index"> The index of this new <see cref="WeightLayer"/>. </param>
/// <param name="previousNeuronLayer"> The previous <see cref="NeuronLayer"/> that this <see cref="WeightLayer"/> is linked to. </param>
/// <param name="nextNeuronLayer"> The next <see cref="NeuronLayer"/> that this <see cref="WeightLayer"/> is linked to. </param>
public WeightLayer(IReadOnlyNeuralNetwork neuralNetwork, uint index, ILinkableNeuronLayer previousNeuronLayer, ILinkableNeuronLayer nextNeuronLayer)
{
// Set the index.
Index = index;
// Set references.
NeuralNetwork = neuralNetwork;
PreviousNeuronLayer = previousNeuronLayer;
NextNeuronLayer = nextNeuronLayer;
// Link the previous and next layers to this layer.
previousNeuronLayer.NextWeightLayer = this;
nextNeuronLayer.PreviousWeightLayer = this;
// Initialise dictionaries.
previousNeuronConnectionsByID = new Dictionary <uint, Dictionary <uint, weightConnection> >(previousNeuronLayer.Count);
nextNeuronConnectionsByID = new Dictionary <uint, Dictionary <uint, weightConnection> >(nextNeuronLayer.Count);
}
/// <summary> Creates, loads, links up, and returns a <see cref="WeightLayer"/> from the given <paramref name="networkLoader"/>. </summary>
/// <param name="neuralNetwork"> The neural network for which this layer is created. </param>
/// <param name="networkLoader"> The <see cref="INetworkLoader"/> used to load this <see cref="WeightLayer"/>. </param>
/// <param name="index"> The index of this new <see cref="WeightLayer"/>. </param>
/// <param name="previousNeuronLayer"> The previous <see cref="NeuronLayer"/> that this <see cref="WeightLayer"/> is linked to. </param>
/// <param name="nextNeuronLayer"> The next <see cref="NeuronLayer"/> that this <see cref="WeightLayer"/> is linked to. </param>
/// <returns> A new <see cref="WeightLayer"/> loaded from the given parameters. </returns>
public static WeightLayer Load(IReadOnlyNeuralNetwork neuralNetwork, INetworkLoader networkLoader, uint index, ILinkableNeuronLayer previousNeuronLayer, ILinkableNeuronLayer nextNeuronLayer)
{
// Create the weight layer to return.
WeightLayer weightLayer = new WeightLayer(neuralNetwork, index, previousNeuronLayer, nextNeuronLayer);
// Get all defined connections from the file.
Tuple <uint, float, uint>[] connections = networkLoader.GetAllWeightConnections(index);
// Link the layers together based on the given connections.
for (int i = 0; i < connections.Length; i++)
{
weightLayer.LinkNeurons(previousNeuronLayer[connections[i].Item1], nextNeuronLayer[connections[i].Item3], connections[i].Item2);
}
// Return the weight layer.
return(weightLayer);
}
