public void DirectionalMovementIndex(int startIdx, int endIdx, double[] inReal, int timePeriod = 1)
{
var outReal = new double[inReal.Length];
int begIdx, nbElement;
var rc = TAC.Rsi(startIdx, endIdx, inReal, timePeriod, out begIdx, out nbElement, outReal);
//if (rc == TAC.RetCode.Success)
}
// https://www.marketvolume.com/quotes/calculatersi.asp
public TAResult Rsi(int timePeriod = 14, int startIndex = -1, int endIndex = -1)
{
var outReal = new double[inReal.Length];
int begIdx, nbElement;
//var rc = TAC.Rsi(startIdx, endIdx, inReal, timePeriod, out begIdx, out nbElement, outReal);
var rc = TAC.Rsi(startIdx, endIdx, inReal, timePeriod, out begIdx, out nbElement, outReal);
//if (rc == TAC.RetCode.Success)
var values = outReal.Take(nbElement).Reverse().ToArray();
//var values = outReal.Take(outReal.Length).Reverse().ToArray();
return(new TAResult(begIdx, nbElement, values));
}