private IEnumerable <CRegion> AggregateAndUpdateQ_Common(CRegion crg, CRegion lscrg, CRegion sscrg, SortedSet <CRegion> Q,
SortedDictionary <CCorrCphs, CCorrCphs> pAdjCorrCphsSD, CCorrCphs unitingCorrCphs,
List <SortedDictionary <CRegion, CRegion> > ExistingCrgSDLt, List <SortedDictionary <CPatch, CPatch> > ExistingCphSDLt,
SortedDictionary <CCorrCphs, CCorrCphs> ExistingCorrCphsSD, double[,] padblTD, int intEstSteps)
{
var newcph = crg.ComputeNewCph(unitingCorrCphs, ExistingCphSDLt);
var newAdjCorrCphsSD = CRegion.ComputeNewAdjCorrCphsSDAndUpdateExistingCorrCphsSD(pAdjCorrCphsSD,
unitingCorrCphs, newcph, ExistingCorrCphsSD);
var frcph = unitingCorrCphs.FrCph;
var tocph = unitingCorrCphs.ToCph;
int intfrTypeIndex = crg.GetCphTypeIndex(frcph);
int inttoTypeIndex = crg.GetCphTypeIndex(tocph);
//if the two cphs have the same type, then we only need to aggregate the smaller one into the larger one
//(this will certainly have smaller cost in terms of area)
//otherwise, we need to aggregate from two directions
if (intfrTypeIndex == inttoTypeIndex)
{
if (frcph.dblArea >= tocph.dblArea)
{
yield return(GenerateCrgAndUpdateQ(crg, lscrg, sscrg, Q, ExistingCrgSDLt, newAdjCorrCphsSD,
frcph, tocph, newcph, unitingCorrCphs, padblTD, intEstSteps));
}
else
{
yield return(GenerateCrgAndUpdateQ(crg, lscrg, sscrg, Q, ExistingCrgSDLt, newAdjCorrCphsSD,
tocph, frcph, newcph, unitingCorrCphs, padblTD, intEstSteps));
}
}
else
{
//The aggregate can happen from two directions
yield return(GenerateCrgAndUpdateQ(crg, lscrg, sscrg, Q, ExistingCrgSDLt, newAdjCorrCphsSD,
frcph, tocph, newcph, unitingCorrCphs, padblTD, intEstSteps));
yield return(GenerateCrgAndUpdateQ(crg, lscrg, sscrg, Q, ExistingCrgSDLt, newAdjCorrCphsSD,
tocph, frcph, newcph, unitingCorrCphs, padblTD, intEstSteps));
}
}