/// <summary>
/// Iterates calculation of derivation
/// </summary>
/// <param name="next">The "next" msign</param>
/// <param name="addition">Associated addition</param>
/// <returns>Next derivation iteration</returns>
public FormulaMeasurementDerivation Iterate(bool next, AssociatedAddition addition)
{
string dn = "D" + name;
ObjectFormulaTree t = tree.Derivation("d/dt");
IDistribution d = DeltaFunction.GetDistribution(t);
AssociatedAddition aa = FormulaMeasurementDerivation.Create(associated);
if (next)
{
FormulaMeasurementDerivation der = null;
if (d != null)
{
der = new FormulaMeasurementDerivationDistribution(t, dn, aa);
}
else
{
der = new FormulaMeasurementDerivation(t, dn, aa);
}
derivation = der;
return(der);
}
if (d != null)
{
derivation = new FormulaMeasurementDistribution(t, dn, aa);
}
else
{
derivation = new FormulaMeasurement(t, dn, aa);
}
return(null);
}
/// <summary>
/// Creates measure
/// </summary>
/// <param name="tree">Tree</param>
/// <param name="n">Number of tree</param>
/// <param name="name">Name</param>
/// <param name="associated">Associated addition</param>
/// <returns>Measurement</returns>
public static FormulaMeasurement Create(ObjectFormulaTree tree, int n,
string name, AssociatedAddition associated)
{
object ret = null;
try
{
ret = tree.Result;
}
catch (Exception ex)
{
ex.ShowError(-1);
}
FormulaMeasurement fm;
if (n == 0)
{
IDistribution d = DeltaFunction.GetDistribution(tree);
if (d != null)
{
return(new FormulaMeasurementDistribution(tree, name, associated));
}
fm = new FormulaMeasurement(tree, name, associated);
fm.ret = ret;
return(fm);
}
string dn = "D" + name;
ObjectFormulaTree t = tree.Derivation("d/dt");
if (t == null)
{
throw new Exception("VariableMeasure.Derivation");
}
AssociatedAddition aa = FormulaMeasurementDerivation.Create(associated);
FormulaMeasurement der = Create(t, n - 1, dn, aa);
fm = new FormulaMeasurementDerivation(tree, der, name, aa);
try
{
fm.ret = t.Result;
}
catch (Exception exc)
{
exc.ShowError(10);
}
return(fm);
}
internal void Iterate(bool next)
{
AssociatedAddition aa = FormulaMeasurementDerivation.Create(addition);
temp = temp.Iterate(next, aa);
}