/// <summary>
/// Calculates indicator.
/// </summary>
/// <param name="price">Price series.</param>
/// <param name="period">Indicator period.</param>
/// <param name="timeSeries">Instrument <c>ohlc</c> time series.</param>
/// <returns>Calculated indicator series.</returns>
public static double[] Calculate(double[] price, int period, TimeSeries timeSeries)
{
Condition.Requires(price, "price")
.IsNotEmpty();
Condition.Requires(period, "period")
.IsGreaterThan(0)
.IsLessOrEqual(price.Length);
Condition.Requires(timeSeries, "timeSeries")
.IsNotNull();
var bulls = new double[price.Length];
var ema = EMA.Calculate(price, period);
for (var i = 0; i < price.Length; i++)
{
bulls[i] = timeSeries.High[i] - ema[i];
}
return(bulls);
}
