/// <summary>
/// Parabolic SAR
/// </summary>
/// <returns></returns>
public ParabolicSAR ParabolicSAR(Data.IDataSeries input, double acceleration, double accelerationMax, double accelerationStep)
{
if (cacheParabolicSAR != null)
for (int idx = 0; idx < cacheParabolicSAR.Length; idx++)
if (Math.Abs(cacheParabolicSAR[idx].Acceleration - acceleration) <= double.Epsilon && Math.Abs(cacheParabolicSAR[idx].AccelerationMax - accelerationMax) <= double.Epsilon && Math.Abs(cacheParabolicSAR[idx].AccelerationStep - accelerationStep) <= double.Epsilon && cacheParabolicSAR[idx].EqualsInput(input))
return cacheParabolicSAR[idx];
lock (checkParabolicSAR)
{
checkParabolicSAR.Acceleration = acceleration;
acceleration = checkParabolicSAR.Acceleration;
checkParabolicSAR.AccelerationMax = accelerationMax;
accelerationMax = checkParabolicSAR.AccelerationMax;
checkParabolicSAR.AccelerationStep = accelerationStep;
accelerationStep = checkParabolicSAR.AccelerationStep;
if (cacheParabolicSAR != null)
for (int idx = 0; idx < cacheParabolicSAR.Length; idx++)
if (Math.Abs(cacheParabolicSAR[idx].Acceleration - acceleration) <= double.Epsilon && Math.Abs(cacheParabolicSAR[idx].AccelerationMax - accelerationMax) <= double.Epsilon && Math.Abs(cacheParabolicSAR[idx].AccelerationStep - accelerationStep) <= double.Epsilon && cacheParabolicSAR[idx].EqualsInput(input))
return cacheParabolicSAR[idx];
ParabolicSAR indicator = new ParabolicSAR();
indicator.BarsRequired = BarsRequired;
indicator.CalculateOnBarClose = CalculateOnBarClose;
#if NT7
indicator.ForceMaximumBarsLookBack256 = ForceMaximumBarsLookBack256;
indicator.MaximumBarsLookBack = MaximumBarsLookBack;
#endif
indicator.Input = input;
indicator.Acceleration = acceleration;
indicator.AccelerationMax = accelerationMax;
indicator.AccelerationStep = accelerationStep;
Indicators.Add(indicator);
indicator.SetUp();
ParabolicSAR[] tmp = new ParabolicSAR[cacheParabolicSAR == null ? 1 : cacheParabolicSAR.Length + 1];
if (cacheParabolicSAR != null)
cacheParabolicSAR.CopyTo(tmp, 0);
tmp[tmp.Length - 1] = indicator;
cacheParabolicSAR = tmp;
return indicator;
}
}
