void BuildBPLayerNode <T>(List <T> sourceLayer, List <BPUnit <T> > targetLayer)
where T : Factorable, ILayerNode
{
foreach (T baseUnit in sourceLayer)
{
BPUnit <T> unit = new BPUnit <T>(this, baseUnit);
targetLayer.Add(unit);
Base2BPMapping.Add(baseUnit, unit);
}
}
void BuildBPLayerNeighbor <T>(List <BPUnit <T> > layer)
where T : Factorable, ILayerNode
{
foreach (BPUnit <T> unit in layer)
{
foreach (T neighBase in unit.BaseUnit.GetAdjacent())
{
BPUnit <T> neigh = Base2BPMapping[neighBase] as BPUnit <T>;
unit.Neighbors.Add(neigh);
unit.Messages[neigh] = new Dictionary <short, double>();
}
}
}
double SendMessageTo(BPUnit <T> unit, Dictionary <short, double> message)
{
Dictionary <short, double> lastMsg;
if (unit.Messages.ContainsKey(this))
{
lastMsg = unit.Messages[this];
}
else
{
lastMsg = new Dictionary <short, double>();
}
unit.Messages[this] = message;
if (lastMsg.Count != message.Count)
{
return(1.0);
}
return(Enumerable.Zip(lastMsg, message, (first, second) => Math.Abs(first.Value - second.Value))
.Max());
}
