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EpetraExt_MapColoringIndex.cpp
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00004 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
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00041 
00042 #include <Epetra_ConfigDefs.h>
00043 #include <EpetraExt_MapColoringIndex.h>
00044 
00045 #include <Epetra_CrsGraph.h>
00046 #include <Epetra_MapColoring.h>
00047 #include <Epetra_GIDTypeVector.h>
00048 #include <Epetra_Map.h>
00049 
00050 #include <vector>
00051 #include <map>
00052 
00053 using std::vector;
00054 using std::map;
00055 
00056 namespace EpetraExt {
00057 
00058 // template<typename int_type>
00059 // typename TCrsGraph_MapColoringIndex<int_type>::NewTypeRef
00060 // TCrsGraph_MapColoringIndex<int_type>::
00061 // operator()( OriginalTypeRef orig )
00062 // {
00063 //   if(!orig.RowMap(). template GlobalIndicesIsType<int_type>())
00064 //     throw "EpetraExt::TCrsGraph_MapColoringIndex::operator(): Global indices mismatch.";
00065 
00066 //   Base::origObj_ = &orig;
00067 
00068 //   const Epetra_BlockMap & RowMap = orig.RowMap();
00069 //   int nRows = RowMap.NumMyElements();
00070 
00071 //   int NumColors = ColorMap_.NumColors();
00072 //   int * ListOfColors = ColorMap_.ListOfColors();
00073 
00074 //   map<int,int> MapOfColors;
00075 //   for( int i = 0; i < NumColors; ++i ) MapOfColors[ ListOfColors[i] ] = i;
00076 
00077 //   //initial setup of stl vector of IntVectors for indexing
00078 //   vector<int_type> dummy( nRows, -1 );
00079 //   typename Base::NewTypePtr IndexVec = new typename Base::NewType( NumColors, typename Epetra_GIDTypeVector<int_type>::impl( Copy, RowMap, &dummy[0] ) );
00080 
00081 //   int MaxNumIndices = orig.MaxNumIndices();
00082 //   int NumIndices;
00083 //   vector<int_type> Indices( MaxNumIndices );
00084 
00085 //   for( int i = 0; i < nRows; ++i )
00086 //   {
00087 //     orig.ExtractGlobalRowCopy( (int_type) orig.GRID64(i), MaxNumIndices, NumIndices, &Indices[0] );
00088 
00089 //     for( int j = 0; j < NumIndices; ++j )
00090 //      (*IndexVec)[ MapOfColors[ColorMap_(Indices[j])] ][i] = Indices[j];
00091 //   }
00092 
00093 //   Base::newObj_ = IndexVec;
00094 
00095 //   return *IndexVec;
00096 // }
00097 
00098 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00099 
00100 std::vector<Epetra_IntVector>&
00101 CrsGraph_MapColoringIndex::operator()( Epetra_CrsGraph& orig )
00102 {
00103   return TCrsGraph_MapColoringIndex<int>::operator()(orig);
00104 }
00105 
00106 #endif
00107 
00108 #ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
00109 
00110 std::vector<Epetra_LongLongVector>&
00111 CrsGraph_MapColoringIndex64::operator()( Epetra_CrsGraph& orig )
00112 {
00113   return TCrsGraph_MapColoringIndex<long long>::operator()(orig);
00114 }
00115 
00116 #endif
00117 
00118 } // namespace EpetraExt
00119 
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