/// <summary>
/// Adds an index to the moving average.
/// </summary>
/// <param name="value">The index value.</param>
public void AddIndex(decimal value)
{
if (_previous != decimal.MinValue)
{
if (value >= _previous)
{
_gainAverage.AddIndex(value - _previous);
_lossAverage.AddIndex(0);
}
else
{
_gainAverage.AddIndex(0);
_lossAverage.AddIndex(_previous - value);
}
}
_previous = value;
if (_lossAverage.GetValue() == 0)
{
_strength = 100;
return;
}
var relativeStrength = _gainAverage.GetValue() / _lossAverage.GetValue();
_strength = 100 - (100 / (1 + relativeStrength));
}
/// <summary>
/// Adds an index to the moving average.
/// </summary>
/// <param name="value">The index value.</param>
public void AddIndex(decimal value)
{
_slowAverage.AddIndex(value);
_fastAverage.AddIndex(value);
if (_slowAverage.IsReady() && _fastAverage.IsReady())
{
_signAverage.AddIndex(_fastAverage.GetValue() - _slowAverage.GetValue());
}
}