/// <summary>
/// The Directional Movement Index is quite similiar to Welles Wilder's Relative Strength Index. The difference is the DMI uses variable time periods (from 3 to 30) vs. the RSI's fixed periods.
/// </summary>
/// <returns></returns>
public DMI DMI(Data.IDataSeries input, int period)
{
if (cacheDMI != null)
{
for (int idx = 0; idx < cacheDMI.Length; idx++)
{
if (cacheDMI[idx].Period == period && cacheDMI[idx].EqualsInput(input))
{
return(cacheDMI[idx]);
}
}
}
lock (checkDMI)
{
checkDMI.Period = period;
period = checkDMI.Period;
if (cacheDMI != null)
{
for (int idx = 0; idx < cacheDMI.Length; idx++)
{
if (cacheDMI[idx].Period == period && cacheDMI[idx].EqualsInput(input))
{
return(cacheDMI[idx]);
}
}
}
DMI indicator = new DMI();
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();
DMI[] tmp = new DMI[cacheDMI == null ? 1 : cacheDMI.Length + 1];
if (cacheDMI != null)
{
cacheDMI.CopyTo(tmp, 0);
}
tmp[tmp.Length - 1] = indicator;
cacheDMI = tmp;
return(indicator);
}
}
/// <summary>
/// The Directional Movement Index is quite similiar to Welles Wilder's Relative Strength Index. The difference is the DMI uses variable time periods (from 3 to 30) vs. the RSI's fixed periods.
/// </summary>
/// <returns></returns>
public DMI DMI(Data.IDataSeries input, int period)
{
if (cacheDMI != null)
for (int idx = 0; idx < cacheDMI.Length; idx++)
if (cacheDMI[idx].Period == period && cacheDMI[idx].EqualsInput(input))
return cacheDMI[idx];
lock (checkDMI)
{
checkDMI.Period = period;
period = checkDMI.Period;
if (cacheDMI != null)
for (int idx = 0; idx < cacheDMI.Length; idx++)
if (cacheDMI[idx].Period == period && cacheDMI[idx].EqualsInput(input))
return cacheDMI[idx];
DMI indicator = new DMI();
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();
DMI[] tmp = new DMI[cacheDMI == null ? 1 : cacheDMI.Length + 1];
if (cacheDMI != null)
cacheDMI.CopyTo(tmp, 0);
tmp[tmp.Length - 1] = indicator;
cacheDMI = tmp;
return indicator;
}
}
