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EpetraExt_SolverMap_LinearProblem.cpp
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41 
43 
44 #include <Epetra_LinearProblem.h>
45 #include <Epetra_CrsMatrix.h>
46 #include <Epetra_Map.h>
47 
48 class Epetra_MultiVector;
49 
50 namespace EpetraExt {
51 
54 {
55  if( newObj_ && newObj_ != origObj_ ) delete newObj_;
56 }
57 
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
71  newObj_ = origObj_;
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 &quot;fixed&quot; Epetra_LinearProblem.