public PriceChannel(ISeries input, int length, CalcType calcType, IncludeLast includeLast, BarData barData = BarData.Close)
: base(input)
{
this.length = length;
this.barData = barData;
this.calcType = calcType;
this.includeLast = includeLast;
this.Init();
}
public static double Value(ISeries input, int index, int length, CalcType calcType, IncludeLast includeLast, BarData barData = BarData.Close)
{
int _index = index - length + 1;
if (_index < 0)
{
return(double.NaN);
}
if (calcType == CalcType.Max)
{
double max = double.MinValue;
for (int i = _index; i < index; ++i)
{
max = Math.Max(max, input[i, barData]);
}
if (IncludeLast.Yes == includeLast)
{
max = Math.Max(max, input[index, barData]);
}
if (max == double.MinValue)
{
return(double.NaN);
}
return(max);
}
else
{
double min = double.MaxValue;
for (int i = _index; i < index; ++i)
{
min = Math.Min(min, input[i, barData]);
}
if (IncludeLast.Yes == includeLast)
{
min = Math.Min(min, input[index, barData]);
}
if (min == double.MaxValue)
{
return(double.NaN);
}
return(min);
}
}
