public static double Value(TimeSeries input, int index, int length1, int length2, BarData option)
{
if (index >= input.FirstIndex)
{
return(EMA.Value(input, index, length1, option) - EMA.Value(input, index, length2, option));
}
else
{
return(double.NaN);
}
}
public static double Value(TimeSeries input, int index, int length, BarData option)
{
if (index >= input.FirstIndex + 1)
{
double num1 = 2.0 / (double)(length + 1);
double num2 = EMA.Value(input, index - 1, length, option);
return(num2 + num1 * (input[index, option] - num2));
}
else if (index == input.FirstIndex)
{
return(input[input.FirstIndex, option]);
}
else
{
return(double.NaN);
}
}
public static double Value(DoubleSeries input, int index, int length)
{
return(EMA.Value((TimeSeries)input, index, length, BarData.Close));
}