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EpetraExt_SolverMap_LinearProblem.cpp
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00004 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
00005 //                 Copyright (2011) Sandia Corporation
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00041 
00042 #include <EpetraExt_SolverMap_LinearProblem.h>
00043 
00044 #include <Epetra_LinearProblem.h>
00045 #include <Epetra_CrsMatrix.h>
00046 #include <Epetra_Map.h>
00047 
00048 class Epetra_MultiVector;
00049 
00050 namespace EpetraExt {
00051 
00052 LinearProblem_SolverMap::
00053 ~LinearProblem_SolverMap()
00054 {
00055   if( newObj_ && newObj_ != origObj_ ) delete newObj_;
00056 }
00057 
00058 LinearProblem_SolverMap::NewTypeRef
00059 LinearProblem_SolverMap::
00060 operator()( OriginalTypeRef orig )
00061 {
00062   origObj_ = &orig;
00063 
00064   Epetra_CrsMatrix * OldMatrix = dynamic_cast<Epetra_CrsMatrix*>( orig.GetMatrix() );
00065   Epetra_MultiVector * OldRHS = orig.GetRHS();
00066   Epetra_MultiVector * OldLHS = orig.GetLHS();
00067 
00068   Epetra_CrsMatrix & NewMatrix = SolverMapTrans_( *OldMatrix );
00069 
00070   if( &NewMatrix == OldMatrix ) //same matrix so use same problem
00071     newObj_ = origObj_;
00072   else
00073     newObj_ = new Epetra_LinearProblem( &NewMatrix, OldLHS, OldRHS );
00074 
00075   return *newObj_;
00076 }
00077 
00078 } //namespace EpetraExt
00079 
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