62     : G(&G), F(F), DFSNumber(0), LowLink(0) {  in Node()
194     assert(N->LowLink == -1 &&  in verify()
527     N->DFSNumber = N->LowLink = 0;  in switchInternalEdgeToRef()
539   TargetN.DFSNumber = TargetN.LowLink = -1;  in switchInternalEdgeToRef()
557     RootN->DFSNumber = RootN->LowLink = 1;  in switchInternalEdgeToRef()
575           ChildN.DFSNumber = ChildN.LowLink = NextDFSNumber++;  in switchInternalEdgeToRef()
596               N.DFSNumber = N.LowLink = -1;  in switchInternalEdgeToRef()
611         assert(ChildN.LowLink > 0 && "Must have a positive low-link number!");  in switchInternalEdgeToRef()
612         if (ChildN.LowLink < N->LowLink)  in switchInternalEdgeToRef()
613           N->LowLink = ChildN.LowLink;  in switchInternalEdgeToRef()
628       if (N->LowLink != N->DFSNumber)  in switchInternalEdgeToRef()
647         N.DFSNumber = N.LowLink = -1;  in switchInternalEdgeToRef()
1009       N.DFSNumber = N.LowLink = 0;  in removeInternalRefEdge()
1015     N.DFSNumber = N.LowLink = -1;  in removeInternalRefEdge()
1035     RootN->DFSNumber = RootN->LowLink = 1;  in removeInternalRefEdge()
1057           ChildN.LowLink = ChildN.DFSNumber = NextDFSNumber++;  in removeInternalRefEdge()
1096         assert(ChildN.LowLink != 0 &&  in removeInternalRefEdge()
1098         if (ChildN.LowLink >= 0 && ChildN.LowLink < N->LowLink)  in removeInternalRefEdge()
1099           N->LowLink = ChildN.LowLink;  in removeInternalRefEdge()
1112       if (N->LowLink != N->DFSNumber) {  in removeInternalRefEdge()
1287     assert(N->LowLink >= (*Nodes.begin())->LowLink &&  in buildSCCs()
1293     N->DFSNumber = N->LowLink = 0;  in buildSCCs()
1317     RootN->DFSNumber = RootN->LowLink = 1;  in buildSCCs()
1335           ChildN.DFSNumber = ChildN.LowLink = NextDFSNumber++;  in buildSCCs()
1351         assert(ChildN.LowLink > 0 && "Must have a positive low-link number!");  in buildSCCs()
1352         if (ChildN.LowLink < N->LowLink)  in buildSCCs()
1353           N->LowLink = ChildN.LowLink;  in buildSCCs()
1365       if (N->LowLink != N->DFSNumber)  in buildSCCs()
1383         N.DFSNumber = N.LowLink = -1;  in buildSCCs()
1432     N->LowLink = N->DFSNumber = 1;  in getNextRefSCCInPostOrder()
1455         ChildN.LowLink = ChildN.DFSNumber = NextDFSNumber++;  in getNextRefSCCInPostOrder()
1471       assert(ChildN.LowLink > 0 && "Must have a positive low-link number!");  in getNextRefSCCInPostOrder()
1472       if (ChildN.LowLink < N->LowLink)  in getNextRefSCCInPostOrder()
1473         N->LowLink = ChildN.LowLink;  in getNextRefSCCInPostOrder()
1485     if (N->LowLink != N->DFSNumber) {  in getNextRefSCCInPostOrder()