TSnap::TSnapDetail::TGetSubGraph< PGraph, IsMultiGraph > Struct Template Reference

#include <subgraph.h>

Static Public Member Functions
static PGraph	Do (const PGraph &Graph, const TIntV &NIdV)

Detailed Description

template<class PGraph, bool IsMultiGraph>
struct TSnap::TSnapDetail::TGetSubGraph< PGraph, IsMultiGraph >

Definition at line 155 of file subgraph.h.

Member Function Documentation

template<class PGraph, bool IsMultiGraph>

static PGraph TSnap::TSnapDetail::TGetSubGraph< PGraph, IsMultiGraph >::Do ( const PGraph &  Graph, const TIntV &  NIdV  )

inlinestatic

Definition at line 156 of file subgraph.h.

References TVec< TVal, TSizeTy >::Len().

                                                           {
    PGraph NewGraphPt = PGraph::TObj::New();
    typename PGraph::TObj& NewGraph = *NewGraphPt;
    NewGraph.Reserve(NIdV.Len(), -1);
    for (int n = 0; n < NIdV.Len(); n++) {
      if (Graph->IsNode(NIdV[n])) {
        NewGraph.AddNode(Graph->GetNI(NIdV[n])); }
    }
    for (typename PGraph::TObj::TEdgeI EI = Graph->BegEI(); EI < Graph->EndEI(); EI++) {
      if (NewGraph.IsNode(EI.GetSrcNId()) && NewGraph.IsNode(EI.GetDstNId())) {
        NewGraph.AddEdge(EI); }
    }
    NewGraph.Defrag();
    return NewGraphPt;
  }

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The documentation for this struct was generated from the following file:

• snap-core/subgraph.h