/// <summary>
/// Evaluates the delta wrt the continuously compounding rate R.
/// </summary>
/// <returns></returns>
public Decimal GetDeltaCCR(Decimal npv, Decimal curveYearFraction, Decimal rate, Decimal yearFraction)
{
return(RateAnalytics.GetDeltaCcr(npv, curveYearFraction, rate, yearFraction));
}