public override Formula RemoveUniversalQuantifiers(List <Constant> lConstants, List <Predicate> lConstantPredicates, Domain d)
{
ProbabilisticFormula pf = new ProbabilisticFormula();
for (int i = 0; i < Options.Count; i++)
{
pf.AddOption(Options[i].RemoveUniversalQuantifiers(lConstants, lConstantPredicates, d), Probabilities[i]);
}
return(pf);
}
public override Formula PartiallyGround(Dictionary <string, Constant> dBindings)
{
ProbabilisticFormula pf = new ProbabilisticFormula();
for (int i = 0; i < Options.Count; i++)
{
pf.AddOption(Options[i].PartiallyGround(dBindings), Probabilities[i]);
}
return(pf);
}
public override Formula Reduce(IEnumerable <Predicate> lKnown)
{
ProbabilisticFormula pf = new ProbabilisticFormula();
for (int i = 0; i < Options.Count; i++)
{
pf.AddOption(Options[i].Reduce(lKnown), Probabilities[i]);
}
return(pf);
}
public override Formula Simplify()
{
ProbabilisticFormula pf = new ProbabilisticFormula();
for (int i = 0; i < Options.Count; i++)
{
pf.AddOption(Options[i].Simplify(), Probabilities[i]);
}
return(pf);
}
public override Formula Replace(Dictionary <Formula, Formula> dTranslations)
{
ProbabilisticFormula pf = new ProbabilisticFormula();
for (int i = 0; i < Options.Count; i++)
{
pf.AddOption(Options[i].Replace(dTranslations), Probabilities[i]);
}
return(pf);
}
public override Formula Replace(Formula fOrg, Formula fNew)
{
ProbabilisticFormula pf = new ProbabilisticFormula();
for (int i = 0; i < Options.Count; i++)
{
pf.AddOption(Options[i].Replace(fOrg, fNew), Probabilities[i]);
}
return(pf);
}
public override Formula RemoveNegations()
{
ProbabilisticFormula pf = new ProbabilisticFormula();
for (int i = 0; i < Probabilities.Count; i++)
{
Formula fRemoved = Options[i].RemoveNegations();
if (fRemoved != null)
{
pf.AddOption(fRemoved, Probabilities[i]);
}
}
return(pf);
}
private Formula ReadFormula(CompoundExpression exp, Dictionary <string, string> dParameterNameToType, bool bParamterized, Domain d)
{
bool bPredicate = true;
//Console.WriteLine(exp);
if (d != null && d.IsFunctionExpression(exp.Type))
{
Predicate p = ReadFunctionExpression(exp, dParameterNameToType, d);
return(new PredicateFormula(p));
}
else if (IsUniversalQuantifier(exp))
{
CompoundExpression eParameter = (CompoundExpression)exp.SubExpressions[0];
CompoundExpression eBody = (CompoundExpression)exp.SubExpressions[1];
string sParameter = eParameter.Type;
string sType = eParameter.SubExpressions[1].ToString();
dParameterNameToType[sParameter] = sType;
ParametrizedFormula cfQuantified = new ParametrizedFormula(exp.Type);
cfQuantified.Parameters[sParameter] = sType;
Formula fBody = ReadFormula(eBody, dParameterNameToType, true, d);
cfQuantified.AddOperand(fBody);
return(cfQuantified);
}
else if (exp.Type == "probabilistic")
{
ProbabilisticFormula pf = new ProbabilisticFormula();
int iExpression = 0;
for (iExpression = 0; iExpression < exp.SubExpressions.Count; iExpression += 2)
{
//if (exp.SubExpressions[iExpression] is StringExpression)
// throw new InvalidDataException();
string sProb = exp.SubExpressions[iExpression].ToString();
double dProb = 0.0;
if (sProb.Contains("/"))
{
string[] a = sProb.Split('/');
dProb = double.Parse(a[0]) / double.Parse(a[1]);
}
else
{
dProb = double.Parse(sProb);
}
Formula f = ReadFormula((CompoundExpression)exp.SubExpressions[iExpression + 1], dParameterNameToType, bParamterized, d);
pf.AddOption(f, dProb);
}
return(pf);
}
else
{
foreach (Expression eSub in exp.SubExpressions)
{
if (eSub is CompoundExpression)
{
bPredicate = false;
break;
}
}
if (bPredicate)
{
return(ReadPredicate(exp, dParameterNameToType, bParamterized, d));
}
else
{
CompoundFormula cf = new CompoundFormula(exp.Type);
int iExpression = 0;
for (iExpression = 0; iExpression < exp.SubExpressions.Count; iExpression++)
{
if (exp.SubExpressions[iExpression] is StringExpression)
{
throw new InvalidDataException();
}
Formula f = ReadFormula((CompoundExpression)exp.SubExpressions[iExpression], dParameterNameToType, bParamterized, d);
cf.SimpleAddOperand(f);
}
if (cf.Operator == "not" && cf.Operands[0] is PredicateFormula)
{
PredicateFormula fNegate = new PredicateFormula(((PredicateFormula)cf.Operands[0]).Predicate.Negate());
return(fNegate);
}
return(cf);
}
}
}