497 struct MergedNodesT {  struct
498   MergedNodesT(NodeIter Begin1, NodeIter End1,  in MergedNodesT()  function
561 MergedNodesT mergeNodes(const std::vector<NodeT *> &X,  in mergeNodes()
575     return MergedNodesT(BeginX1, EndX2, BeginY, EndY);  in mergeNodes()
577     return MergedNodesT(BeginY, EndY, BeginX1, EndX2);  in mergeNodes()
579     return MergedNodesT(BeginX1, EndX1, BeginY, EndY, BeginX2, EndX2);  in mergeNodes()
581     return MergedNodesT(BeginY, EndY, BeginX2, EndX2, BeginX1, EndX1);  in mergeNodes()
583     return MergedNodesT(BeginX2, EndX2, BeginX1, EndX1, BeginY, EndY);  in mergeNodes()
826   double extTSPScore(const MergedNodesT &Nodes,  in extTSPScore()
934     MergedNodesT MergedNodes =  in computeMergeGain()
955     MergedNodesT MergedNodes =  in mergeChains()
966       MergedNodes = MergedNodesT(Into->Nodes.begin(), Into->Nodes.end());  in mergeChains()
1302   double distBasedLocalityGain(const MergedNodesT &Nodes,  in distBasedLocalityGain()
1328     MergedNodesT MergedNodes =  in mergeChains()