/// <summary> /// Heikan-Ashi bar levels /// </summary> /// <returns></returns> public HAMedians HAMedians(Data.IDataSeries input, double alpha) { if (cacheHAMedians != null) { for (int idx = 0; idx < cacheHAMedians.Length; idx++) { if (Math.Abs(cacheHAMedians[idx].Alpha - alpha) <= double.Epsilon && cacheHAMedians[idx].EqualsInput(input)) { return(cacheHAMedians[idx]); } } } lock (checkHAMedians) { checkHAMedians.Alpha = alpha; alpha = checkHAMedians.Alpha; if (cacheHAMedians != null) { for (int idx = 0; idx < cacheHAMedians.Length; idx++) { if (Math.Abs(cacheHAMedians[idx].Alpha - alpha) <= double.Epsilon && cacheHAMedians[idx].EqualsInput(input)) { return(cacheHAMedians[idx]); } } } HAMedians indicator = new HAMedians(); indicator.BarsRequired = BarsRequired; indicator.CalculateOnBarClose = CalculateOnBarClose; #if NT7 indicator.ForceMaximumBarsLookBack256 = ForceMaximumBarsLookBack256; indicator.MaximumBarsLookBack = MaximumBarsLookBack; #endif indicator.Input = input; indicator.Alpha = alpha; Indicators.Add(indicator); indicator.SetUp(); HAMedians[] tmp = new HAMedians[cacheHAMedians == null ? 1 : cacheHAMedians.Length + 1]; if (cacheHAMedians != null) { cacheHAMedians.CopyTo(tmp, 0); } tmp[tmp.Length - 1] = indicator; cacheHAMedians = tmp; return(indicator); } }
protected override void OnStartUp() { ham = HAMedians(hAAlpha); med = zSortedWindow(ham.Value, windowLength); }