/// <summary>
/// The Cumulative Distribution Function (CDF) of the distribution, excluding intensity (<see cref="Distribution.N"/>).
/// </summary>
/// <param name="t">Time</param>
/// <param name="NrCycles">Number of time cycles completed.</param>
/// <returns>CDU(t)</returns>
protected override double GetCumulativeProbability(double t, int NrCycles)
{
if (Math.Abs(t - this.μ) > Math.Abs(this.TimeCycleUnits + t - this.μ))
{
t += this.TimeCycleUnits;
NrCycles--;
}
double x = (t - this.μ) / this.σSqrt2;
double erf = x < -5 ? -1 : x > 5 ? 1 : StatMath.Erf(x);
return(((1 + erf) / 2) + NrCycles);
}
/// <summary>
/// Evaluates the function on a scalar argument.
/// </summary>
/// <param name="Argument">Function argument.</param>
/// <param name="Variables">Variables collection.</param>
/// <returns>Function result.</returns>
public override IElement EvaluateScalar(Complex Argument, Variables Variables)
{
return(new ComplexNumber(StatMath.Erf(Argument)));
}
/// <summary>
/// Evaluates the function on a scalar argument.
/// </summary>
/// <param name="Argument">Function argument.</param>
/// <param name="Variables">Variables collection.</param>
/// <returns>Function result.</returns>
public override IElement EvaluateScalar(double Argument, Variables Variables)
{
return(new DoubleNumber(StatMath.Erf(Argument)));
}