EpetraExt_MapColoringIndex.cpp

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//     EpetraExt: Epetra Extended - Linear Algebra Services Package
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#include <Epetra_ConfigDefs.h>
#include <EpetraExt_MapColoringIndex.h>
 
#include <Epetra_CrsGraph.h>
#include <Epetra_MapColoring.h>
#include <Epetra_GIDTypeVector.h>
#include <Epetra_Map.h>
 
#include <vector>
#include <map>
 
using std::vector;
using std::map;
 
namespace EpetraExt {
 
// template<typename int_type>
// typename TCrsGraph_MapColoringIndex<int_type>::NewTypeRef
// TCrsGraph_MapColoringIndex<int_type>::
// operator()( OriginalTypeRef orig )
// {
//   if(!orig.RowMap(). template GlobalIndicesIsType<int_type>())
//     throw "EpetraExt::TCrsGraph_MapColoringIndex::operator(): Global indices mismatch.";
 
//   Base::origObj_ = &orig;
 
//   const Epetra_BlockMap & RowMap = orig.RowMap();
//   int nRows = RowMap.NumMyElements();
 
//   int NumColors = ColorMap_.NumColors();
//   int * ListOfColors = ColorMap_.ListOfColors();
 
//   map<int,int> MapOfColors;
//   for( int i = 0; i < NumColors; ++i ) MapOfColors[ ListOfColors[i] ] = i;
 
//   //initial setup of stl vector of IntVectors for indexing
//   vector<int_type> dummy( nRows, -1 );
//   typename Base::NewTypePtr IndexVec = new typename Base::NewType( NumColors, typename Epetra_GIDTypeVector<int_type>::impl( Copy, RowMap, &dummy[0] ) );
 
//   int MaxNumIndices = orig.MaxNumIndices();
//   int NumIndices;
//   vector<int_type> Indices( MaxNumIndices );
 
//   for( int i = 0; i < nRows; ++i )
//   {
//     orig.ExtractGlobalRowCopy( (int_type) orig.GRID64(i), MaxNumIndices, NumIndices, &Indices[0] );
 
//     for( int j = 0; j < NumIndices; ++j )
//      (*IndexVec)[ MapOfColors[ColorMap_(Indices[j])] ][i] = Indices[j];
//   }
 
//   Base::newObj_ = IndexVec;
 
//   return *IndexVec;
// }
 
#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
 
std::vector<Epetra_IntVector>&
CrsGraph_MapColoringIndex::operator()( Epetra_CrsGraph& orig )
{
  return TCrsGraph_MapColoringIndex<int>::operator()(orig);
}
 
#endif
 
#ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
 
std::vector<Epetra_LongLongVector>&
CrsGraph_MapColoringIndex64::operator()( Epetra_CrsGraph& orig )
{
  return TCrsGraph_MapColoringIndex<long long>::operator()(orig);
}
 
#endif
 
} // namespace EpetraExt