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EpetraExt_Reindex_MultiVector.cpp
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00004 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
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00041 
00042 #include <EpetraExt_Reindex_MultiVector.h>
00043 
00044 #include <vector>
00045 
00046 #include <Epetra_Map.h>
00047 #include <Epetra_MultiVector.h>
00048 
00049 namespace EpetraExt {
00050 
00051 MultiVector_Reindex::
00052 ~MultiVector_Reindex()
00053 {
00054   if( newObj_ ) delete newObj_;
00055 }
00056 
00057 MultiVector_Reindex::NewTypeRef
00058 MultiVector_Reindex::
00059 operator()( OriginalTypeRef orig )
00060 {
00061   origObj_ = &orig;
00062 
00063   //test std::map, must have same number of local and global elements as original row std::map
00064   assert( orig.Map().NumMyElements() == NewRowMap_.NumMyElements() );
00065 
00066   std::vector<double*> MyValues(1);
00067   int MyLDA;
00068   int NumVectors = orig.NumVectors();
00069   orig.ExtractView( &MyValues[0], &MyLDA );
00070 
00071   Epetra_MultiVector * NewMV = new Epetra_MultiVector( View, NewRowMap_, MyValues[0], MyLDA, NumVectors );
00072 
00073   newObj_ = NewMV;
00074 
00075   return *NewMV;
00076 }
00077 
00078 MultiVector_Reindex::NewTypeRCP
00079 MultiVector_Reindex::transform(OriginalTypeRef orig)
00080 {
00081   //test std::map, must have same number of local and global elements as original row std::map
00082   assert( orig.Map().NumMyElements() == NewRowMap_.NumMyElements() );
00083 
00084   std::vector<double*> MyValues(1);
00085   int MyLDA;
00086   int NumVectors = orig.NumVectors();
00087   orig.ExtractView( &MyValues[0], &MyLDA );
00088 
00089   return Teuchos::rcp(new Epetra_MultiVector( View, NewRowMap_, MyValues[0], MyLDA, NumVectors ));
00090 }
00091 
00092 } // namespace EpetraExt
00093 
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