public static double SumOfSquares(IRingNavigator <BarItem> ringNavigator, int barCount)
{
double sumResult = 0;
for (int index = 0; index < barCount; index++)
{
sumResult += ringNavigator.Last(index).Close *ringNavigator.Last(index).Close;
}
return(sumResult);
}
public static double MinimumLow(IRingNavigator <BarItem> ringNavigator, int barCount, int startIndex = 0)
{
double min = ringNavigator.Last(startIndex).Low;
for (int index = startIndex; index < (barCount + startIndex); index++)
{
if (min > ringNavigator.Last(index).Low)
{
min = ringNavigator.Last(index).Low;
}
}
return(min);
}
public static double MaximumHigh(IRingNavigator <BarItem> ringNavigator, int barCount, int startIndex = 0)
{
double max = ringNavigator.Last(startIndex).High;
for (int index = startIndex; index < (barCount + startIndex); index++)
{
if (max < ringNavigator.Last(index).High)
{
max = ringNavigator.Last(index).High;
}
}
return(max);
}
public static double Sum(IRingNavigator <T> ringNavigator, int barCount)
{
double sumResult = 0;
for (int index = 0; index < barCount; index++)
{
sumResult += ringNavigator.Last(index).Value;
}
return(sumResult);
}
public static double Sum(IRingNavigator <MultiValueIndicator> ringNavigator, int valueIndex, int barCount)
{
double sumResult = 0;
for (int index = 0; index < barCount; index++)
{
sumResult += ringNavigator.Last(index).Values[valueIndex];
}
return(sumResult);
}
public static double Sum(IRingNavigator <BarItem> ringNavigator, int barCount)
{
double sumResult = double.NaN;
if (ringNavigator.HasValue(barCount - 1))
{
sumResult = 0;
for (int index = 0; index < barCount; index++)
{
sumResult += ringNavigator.Last(index).Close;
}
}
return(sumResult);
}
public static double NextSumOfSquares(IRingNavigator <BarItem> ringNavigator, double lastSumOfSquare, int barCount)
{
return((lastSumOfSquare + (ringNavigator.FirstToLast.Close * ringNavigator.FirstToLast.Close)) - (ringNavigator.Last(barCount + 1).Close *ringNavigator.Last(barCount + 1).Close));
}
public static double NextSum(IRingNavigator <BarItem> ringNavigator, double lastSum, int barCount)
{
return((lastSum + ringNavigator.FirstToLast.Close) - ringNavigator.Last(barCount + 1).Close);
}
public static double NextSum(IRingNavigator <MultiValueIndicator> ringNavigator, int valueIndex, double lastSum, int barCount)
{
return((lastSum + ringNavigator.FirstToLast.Values[valueIndex]) - ringNavigator.Last(barCount + 1).Values[valueIndex]);
}
public static double NextSum(IRingNavigator <SingleValueIndicator> ringNavigator, double lastSum, int barCount)
{
return((lastSum + ringNavigator.FirstToLast.Value) - ringNavigator.Last(barCount + 1).Value);
}