public PipeMovingAverage(int period, ExecutionDataflowBlockOptions dataflowBlockOptions)
{
_historyBuffer = new HistoryBuffer <T>(period);
SetTransform(value =>
{
if (value == null)
{
return(default(T));
}
_historyBuffer.Add(value);
return(_historyBuffer.Avg());
},
dataflowBlockOptions);
}
public PipeStandardDeviation(int period, ExecutionDataflowBlockOptions dataflowBlockOptions)
{
_historyBuffer = new HistoryBuffer <T>(period);
SetTransform(value =>
{
if (value == null)
{
return(default(T));
}
_historyBuffer.Add(value);
dynamic sum = _historyBuffer.Sum();
if (sum == null)
{
return(default(T));
}
return((T)((dynamic)Math.Sqrt((double)sum)));
},
dataflowBlockOptions);
}
