public Coppock(DataSeries ds, int ROCPeriod1, int ROCPeriod2, int MAPeriod, CoppockCalculation option, string description)
: base(ds, description)
{
base.FirstValidValue = Math.Max(MAPeriod, Math.Max(ROCPeriod1, ROCPeriod2));
if (FirstValidValue > ds.Count || FirstValidValue < 0)
{
FirstValidValue = ds.Count;
}
if (ds.Count < Math.Max(ROCPeriod1, ROCPeriod2))
{
return;
}
DataSeries Coppock = WMA.Series((ROC.Series(ds, ROCPeriod1) + ROC.Series(ds, ROCPeriod2)), MAPeriod);
DataSeries Coppock2 = WMA.Series((Community.Indicators.FastSMA.Series(ds, 22) / Community.Indicators.FastSMA.Series(ds >> 250, 22) - 1), 150);
for (int bar = FirstValidValue; bar < ds.Count; bar++)
{
if (option == CoppockCalculation.Option1)
{
base[bar] = Coppock[bar];
}
else
{
base[bar] = Coppock2[bar];
}
}
}
public static Coppock Series(DataSeries ds, int ROCPeriod1, int ROCPeriod2, int MAPeriod, CoppockCalculation option)
{
string description = string.Concat(new object[] { "Coppock(", ds.Description, ",", ROCPeriod1, ",", ROCPeriod2, ",", MAPeriod, ",", option, ")" });
if (ds.Cache.ContainsKey(description))
{
return((Coppock)ds.Cache[description]);
}
Coppock _Coppock = new Coppock(ds, ROCPeriod1, ROCPeriod2, MAPeriod, option, description);
ds.Cache[description] = _Coppock;
return(_Coppock);
}