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EpetraExt_SolverMap_LinearProblem.cpp
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4// EpetraExt: Epetra Extended - Linear Algebra Services Package
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40//@HEADER
41
43
45#include <Epetra_CrsMatrix.h>
46#include <Epetra_Map.h>
47
49
50namespace EpetraExt {
51
54{
55 if( newObj_ && newObj_ != origObj_ ) delete newObj_;
56}
57
60operator()( OriginalTypeRef orig )
61{
62 origObj_ = &orig;
63
64 Epetra_CrsMatrix * OldMatrix = dynamic_cast<Epetra_CrsMatrix*>( orig.GetMatrix() );
65 Epetra_MultiVector * OldRHS = orig.GetRHS();
66 Epetra_MultiVector * OldLHS = orig.GetLHS();
67
68 Epetra_CrsMatrix & NewMatrix = SolverMapTrans_( *OldMatrix );
69
70 if( &NewMatrix == OldMatrix ) //same matrix so use same problem
72 else
73 newObj_ = new Epetra_LinearProblem( &NewMatrix, OldLHS, OldRHS );
74
75 return *newObj_;
76}
77
78} //namespace EpetraExt
79
NewTypeRef operator()(OriginalTypeRef orig)
Constructs "fixed" Epetra_LinearProblem.
EpetraExt::BlockCrsMatrix: A class for constructing a distributed block matrix.