private FilterState CreateInitialConditions(DigitalFilter filter, double value)
{
int ex = 100000;
FilterState updated = new FilterState()
{
StateValue = new double[] { }
};
double[] f = new double[ex];
for (int i = 0; i < ex; i++)
{
f[i] = filter.Filt(value, updated, out updated);
}
return(updated);
}
public override ITimeSeriesValue[] Compute(IFrame frame, IFrame[] prev, IFrame[] future)
{
double value = frame.Measurements["Original"].Value;
if (double.IsNaN(value))
{
return(new ITimeSeriesValue[0]);
}
if (m_state == null)
{
m_state = CreateInitialConditions(m_filter, value);
}
FilterState updated;
double filtered = m_filter.Filt(value, m_state, out updated);
m_state = updated;
return(new AdaptValue[] { new AdaptValue("Filtered", filtered, frame.Timestamp) });
}