/// <summary>
/// Returns signal to be delivered to target neuron.
/// </summary>
/// <param name="collectStatistics">Specifies whether to update internal statistics</param>
public double GetSignal(bool collectStatistics)
{
//Weighted source neuron signal
double weightedSignal = SourceNeuron.GetSignal(TargetNeuron.TypeOfActivation) * Weight;;
if (_signalQueue == null)
{
return(weightedSignal);
}
else
{
//Signal to be delayed so use queue
//Enqueue
Signal sigObj = _signalQueue.GetElementOnEnqueuePosition();
if (sigObj != null)
{
sigObj._weightedSignal = weightedSignal;
}
else
{
sigObj = new Signal {
_weightedSignal = weightedSignal
};
}
_signalQueue.Enqueue(sigObj);
//Is there delayed signal to be delivered?
if (_signalQueue.Full)
{
//Queue is full, so synapse is ready to deliver delayed signal
sigObj = _signalQueue.Dequeue();
return(sigObj._weightedSignal);
}
else
{
//No signal to be delivered, signal is still "on the road"
return(0);
}
}
}
/// <summary>
/// Returns signal to be delivered to target neuron.
/// </summary>
/// <param name="collectStatistics">Specifies whether to update internal statistics</param>
public double GetSignal(bool collectStatistics)
{
//Source neuron signal
double sourceSignal = SourceNeuron.GetSignal(TargetNeuron.TypeOfActivation);
if (sourceSignal == 0)
{
return(0);
}
else
{
//Compute synapse efficacy
double efficacy = ComputeEfficacy();
//Update statistics if necessary
if (collectStatistics)
{
EfficacyStat.AddSampleValue(efficacy);
}
//Return resulting signal
return(sourceSignal * Weight * efficacy);
}
}
