private static void ExportCid(NestedMarkovDecisionProcess nmdp, TextWriter sb, string fromNode, bool fromProbabilistic, long currentCid)
{
NestedMarkovDecisionProcess.ContinuationGraphElement cge = nmdp.GetContinuationGraphElement(currentCid);
if (cge.IsChoiceTypeUnsplitOrFinal)
{
var cgl = nmdp.GetContinuationGraphLeaf(currentCid);
var thisNode = $"cid{currentCid}";
sb.WriteLine($" {thisNode} [ shape=point,width=0.1,height=0.1,label=\"\" ];");
if (fromProbabilistic)
{
sb.WriteLine($" {fromNode}->{thisNode} [ arrowhead =\"onormal\", label=\"{cgl.Probability.ToString(CultureInfo.InvariantCulture)}\"];");
}
else
{
sb.WriteLine($" {fromNode}->{thisNode} [ arrowhead =\"normal\"];");
}
sb.WriteLine($" {thisNode} -> {cgl.ToState} [ arrowhead =\"normal\"];");
}
else if (cge.IsChoiceTypeForward)
{
// only forward node (no recursion)
// do not print thisNode
var cgi = nmdp.GetContinuationGraphInnerNode(currentCid);
var toNode = $"cid{cgi.ToCid}";
sb.WriteLine($" {fromNode}->{toNode} [ style =\"dashed\", label=\"{Probability.PrettyPrint(cgi.Probability)}\"];");
}
else
{
// we print how we came to this node
var cgi = nmdp.GetContinuationGraphInnerNode(currentCid);
var thisNode = $"cid{currentCid}";
sb.WriteLine($" {thisNode} [ shape=point,width=0.1,height=0.1,label=\"\" ];");
if (fromProbabilistic)
{
sb.WriteLine($" {fromNode}->{thisNode} [ arrowhead =\"onormal\", label=\"{Probability.PrettyPrint(cgi.Probability)}\"];");
}
else
{
sb.WriteLine($" {fromNode}->{thisNode} [ arrowhead =\"normal\"];");
}
for (var i = cgi.FromCid; i <= cgi.ToCid; i++)
{
ExportCid(nmdp, sb, thisNode, cge.IsChoiceTypeProbabilitstic, i);
}
}
}
private void UpdateContinuationDistributionMapperAndCollectLeafs(long currentCid)
{
var cge = _nmdp.GetContinuationGraphElement(currentCid);
if (cge.IsChoiceTypeUnsplitOrFinal)
{
var cgl = _nmdp.GetContinuationGraphLeaf(currentCid);
MultiplyProbabilityOfCid(currentCid, cgl.Probability);
SetLeafOfCid(currentCid, cgl);
}
else
{
var cgi = _nmdp.GetContinuationGraphInnerNode(currentCid);
MultiplyProbabilityOfCid(currentCid, cgi.Probability);
if (cge.IsChoiceTypeForward)
{
// This ChoiceType might be created by ForwardUntakenChoicesAtIndex in ChoiceResolver
throw new Exception("Forward transitions not supported");
}
else if (cge.IsChoiceTypeNondeterministic)
{
_ltmdpContinuationDistributionMapper.NonDeterministicSplit(currentCid, cgi.FromCid, cgi.ToCid);
}
else if (cge.IsChoiceTypeProbabilitstic)
{
_ltmdpContinuationDistributionMapper.ProbabilisticSplit(currentCid, cgi.FromCid, cgi.ToCid);
}
var oldProbability = GetProbabilityOfCid(currentCid);
for (var i = cgi.FromCid; i <= cgi.ToCid; i++)
{
SetProbabilityOfCid(i, oldProbability);
UpdateContinuationDistributionMapperAndCollectLeafs(i);
}
}
}
