public Indicator.BollingerBandwidth BollingerBandwidth(BollingerBandwidth_MATypes averageType, int bulgeLength, double numStdDev, int period, int squeezeLength)
{
return(_indicator.BollingerBandwidth(Input, averageType, bulgeLength, numStdDev, period, squeezeLength));
}
/// <summary>
/// The Bollinger Bandwidth study is a technical indicator based upon Bollinger Bands® study, expressing the distance between upper and lower bands as percentage of the middle band value (SMA/EMA around which the bands are plotted). The main plot is accompanied with two additional ones: Bulge and Squeeze. Bulge plot displays the highest bandwidth value reached on the specified period, and, similarly, Squeeze plot shows the lowest bandwidth value.
/// </summary>
/// <returns></returns>
public Indicator.BollingerBandwidth BollingerBandwidth(Data.IDataSeries input, BollingerBandwidth_MATypes averageType, int bulgeLength, double numStdDev, int period, int squeezeLength)
{
if (InInitialize && input == null)
{
throw new ArgumentException("You only can access an indicator with the default input/bar series from within the 'Initialize()' method");
}
return(_indicator.BollingerBandwidth(input, averageType, bulgeLength, numStdDev, period, squeezeLength));
}
/// <summary>
/// The Bollinger Bandwidth study is a technical indicator based upon Bollinger Bands® study, expressing the distance between upper and lower bands as percentage of the middle band value (SMA/EMA around which the bands are plotted). The main plot is accompanied with two additional ones: Bulge and Squeeze. Bulge plot displays the highest bandwidth value reached on the specified period, and, similarly, Squeeze plot shows the lowest bandwidth value.
/// </summary>
/// <returns></returns>
public BollingerBandwidth BollingerBandwidth(Data.IDataSeries input, BollingerBandwidth_MATypes averageType, int bulgeLength, double numStdDev, int period, int squeezeLength)
{
if (cacheBollingerBandwidth != null)
{
for (int idx = 0; idx < cacheBollingerBandwidth.Length; idx++)
{
if (cacheBollingerBandwidth[idx].AverageType == averageType && cacheBollingerBandwidth[idx].BulgeLength == bulgeLength && Math.Abs(cacheBollingerBandwidth[idx].NumStdDev - numStdDev) <= double.Epsilon && cacheBollingerBandwidth[idx].Period == period && cacheBollingerBandwidth[idx].SqueezeLength == squeezeLength && cacheBollingerBandwidth[idx].EqualsInput(input))
{
return(cacheBollingerBandwidth[idx]);
}
}
}
lock (checkBollingerBandwidth)
{
checkBollingerBandwidth.AverageType = averageType;
averageType = checkBollingerBandwidth.AverageType;
checkBollingerBandwidth.BulgeLength = bulgeLength;
bulgeLength = checkBollingerBandwidth.BulgeLength;
checkBollingerBandwidth.NumStdDev = numStdDev;
numStdDev = checkBollingerBandwidth.NumStdDev;
checkBollingerBandwidth.Period = period;
period = checkBollingerBandwidth.Period;
checkBollingerBandwidth.SqueezeLength = squeezeLength;
squeezeLength = checkBollingerBandwidth.SqueezeLength;
if (cacheBollingerBandwidth != null)
{
for (int idx = 0; idx < cacheBollingerBandwidth.Length; idx++)
{
if (cacheBollingerBandwidth[idx].AverageType == averageType && cacheBollingerBandwidth[idx].BulgeLength == bulgeLength && Math.Abs(cacheBollingerBandwidth[idx].NumStdDev - numStdDev) <= double.Epsilon && cacheBollingerBandwidth[idx].Period == period && cacheBollingerBandwidth[idx].SqueezeLength == squeezeLength && cacheBollingerBandwidth[idx].EqualsInput(input))
{
return(cacheBollingerBandwidth[idx]);
}
}
}
BollingerBandwidth indicator = new BollingerBandwidth();
indicator.BarsRequired = BarsRequired;
indicator.CalculateOnBarClose = CalculateOnBarClose;
#if NT7
indicator.ForceMaximumBarsLookBack256 = ForceMaximumBarsLookBack256;
indicator.MaximumBarsLookBack = MaximumBarsLookBack;
#endif
indicator.Input = input;
indicator.AverageType = averageType;
indicator.BulgeLength = bulgeLength;
indicator.NumStdDev = numStdDev;
indicator.Period = period;
indicator.SqueezeLength = squeezeLength;
Indicators.Add(indicator);
indicator.SetUp();
BollingerBandwidth[] tmp = new BollingerBandwidth[cacheBollingerBandwidth == null ? 1 : cacheBollingerBandwidth.Length + 1];
if (cacheBollingerBandwidth != null)
{
cacheBollingerBandwidth.CopyTo(tmp, 0);
}
tmp[tmp.Length - 1] = indicator;
cacheBollingerBandwidth = tmp;
return(indicator);
}
}
