/// <summary>
/// String representation.
/// </summary>
/// <returns>String representation.</returns>
public override string ToString()
{
List <string> itemsList = new List <string>();
if (Predicates != null)
{
foreach (var predicateAtom in Predicates)
{
itemsList.Add(predicateAtom.ToString(IdManager.Predicates));
}
}
if (NumericFunctions != null)
{
foreach (var numericFunction in NumericFunctions)
{
string functionAtom = numericFunction.Key.ToString(IdManager.Functions);
string numericValue = (NumericFunction.IsValueUndefined(numericFunction.Value)) ? "undefined" : numericFunction.Value.ToString(CultureInfo.InvariantCulture);
itemsList.Add($"(= {functionAtom} {numericValue})");
}
}
if (ObjectFunctions != null)
{
foreach (var objectFunction in ObjectFunctions)
{
string functionAtom = objectFunction.Key.ToString(IdManager.Functions);
string constValue = IdManager.Constants.GetNameFromId(objectFunction.Value);
itemsList.Add($"(= {functionAtom} {constValue})");
}
}
return(string.Join(", ", itemsList));
}
/// <summary>
/// Defines a new value for the requested function in the state.
/// </summary>
/// <param name="function">Requested function.</param>
/// <param name="assignment">Value to be assigned.</param>
public void AssignNumericFunction(IAtom function, double assignment)
{
if (NumericFunction.IsValueUndefined(assignment))
{
if (NumericFunctions != null && NumericFunctions.ContainsKey(function))
{
NumericFunctions.Remove(function);
}
}
else
{
CheckNumericFunctionsInitialized();
NumericFunctions[function] = assignment;
}
}