/// <summary>
/// The Momentum indicator measures the amount that a security's price has changed over a given time span.
/// </summary>
/// <returns></returns>
public Momentum Momentum(Data.IDataSeries input, int period)
{
if (cacheMomentum != null)
{
for (int idx = 0; idx < cacheMomentum.Length; idx++)
{
if (cacheMomentum[idx].Period == period && cacheMomentum[idx].EqualsInput(input))
{
return(cacheMomentum[idx]);
}
}
}
lock (checkMomentum)
{
checkMomentum.Period = period;
period = checkMomentum.Period;
if (cacheMomentum != null)
{
for (int idx = 0; idx < cacheMomentum.Length; idx++)
{
if (cacheMomentum[idx].Period == period && cacheMomentum[idx].EqualsInput(input))
{
return(cacheMomentum[idx]);
}
}
}
Momentum indicator = new Momentum();
indicator.BarsRequired = BarsRequired;
indicator.CalculateOnBarClose = CalculateOnBarClose;
#if NT7
indicator.ForceMaximumBarsLookBack256 = ForceMaximumBarsLookBack256;
indicator.MaximumBarsLookBack = MaximumBarsLookBack;
#endif
indicator.Input = input;
indicator.Period = period;
Indicators.Add(indicator);
indicator.SetUp();
Momentum[] tmp = new Momentum[cacheMomentum == null ? 1 : cacheMomentum.Length + 1];
if (cacheMomentum != null)
{
cacheMomentum.CopyTo(tmp, 0);
}
tmp[tmp.Length - 1] = indicator;
cacheMomentum = tmp;
return(indicator);
}
}
protected override void OnStartUp()
{
if (momType == anaKaufmanEfficiencyType.Classic)
{
Anchor = SMA(Input, 1);
lookback = period;
}
else
{
Anchor = SMA(SMA(Input, period + 1), period + 1);
lookback = 0;
}
Mom = Momentum(Input, 1);
}
protected override void OnStartUp()
{
mom = Momentum(Median, momo);
dexp = zDexpSmooth(mom, alpha, 1);
}
/// <summary>
/// The Momentum indicator measures the amount that a security's price has changed over a given time span.
/// </summary>
/// <returns></returns>
public Momentum Momentum(Data.IDataSeries input, int period)
{
if (cacheMomentum != null)
for (int idx = 0; idx < cacheMomentum.Length; idx++)
if (cacheMomentum[idx].Period == period && cacheMomentum[idx].EqualsInput(input))
return cacheMomentum[idx];
lock (checkMomentum)
{
checkMomentum.Period = period;
period = checkMomentum.Period;
if (cacheMomentum != null)
for (int idx = 0; idx < cacheMomentum.Length; idx++)
if (cacheMomentum[idx].Period == period && cacheMomentum[idx].EqualsInput(input))
return cacheMomentum[idx];
Momentum indicator = new Momentum();
indicator.BarsRequired = BarsRequired;
indicator.CalculateOnBarClose = CalculateOnBarClose;
#if NT7
indicator.ForceMaximumBarsLookBack256 = ForceMaximumBarsLookBack256;
indicator.MaximumBarsLookBack = MaximumBarsLookBack;
#endif
indicator.Input = input;
indicator.Period = period;
Indicators.Add(indicator);
indicator.SetUp();
Momentum[] tmp = new Momentum[cacheMomentum == null ? 1 : cacheMomentum.Length + 1];
if (cacheMomentum != null)
cacheMomentum.CopyTo(tmp, 0);
tmp[tmp.Length - 1] = indicator;
cacheMomentum = tmp;
return indicator;
}
}
