test/PreconditionerFactory/cxx_main.cpp

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//       Ifpack: Object-Oriented Algebraic Preconditioner Package
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#ifdef NDEBUG
#undef NDEBUG
#endif

#include "Ifpack_ConfigDefs.h"

#ifdef HAVE_MPI
#include "Epetra_MpiComm.h"
#else
#include "Epetra_SerialComm.h"
#endif
#include "Epetra_CrsMatrix.h"
#include "Epetra_Vector.h"
#include "Epetra_LinearProblem.h"
#include "Epetra_Map.h"
#include "Galeri_Maps.h"
#include "Galeri_CrsMatrices.h"
 #include "Teuchos_ParameterList.hpp"
#include "Teuchos_RefCountPtr.hpp"
#include "Ifpack_Preconditioner.h"
#include "Ifpack.h"
#include "AztecOO.h"
#ifdef HAVE_IFPACK_AMESOS
#include "Amesos_TestRowMatrix.h"
#endif




// =======================================================================
// GOAL: test that the names in the factory do not change. This test
//       will not solve any linear system.
//
int main(int argc, char *argv[])
{
#ifdef HAVE_MPI
  MPI_Init(&argc,&argv);
  Epetra_MpiComm Comm( MPI_COMM_WORLD );
#else
  Epetra_SerialComm Comm;
#endif

  Teuchos::ParameterList GaleriList;
  const int n = 9; 
  GaleriList.set("n", n);
  Teuchos::RefCountPtr<Epetra_Map> Map = Teuchos::rcp( Galeri::CreateMap("Linear", Comm, GaleriList) );
  Teuchos::RefCountPtr<Epetra_CrsMatrix> A = Teuchos::rcp( Galeri::CreateCrsMatrix("Minij", &*Map, GaleriList) );
  
  Ifpack Factory;
  Teuchos::RefCountPtr<Ifpack_Preconditioner> Prec;

  Prec = Teuchos::rcp( Factory.Create("point relaxation", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("point relaxation stand-alone", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("block relaxation", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("block relaxation stand-alone", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("IC", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("ICT", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("ILU", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("ILUT", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("IC stand-alone", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("ICT stand-alone", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("ILU stand-alone", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("ILUT stand-alone", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

#ifdef HAVE_IFPACK_AMESOS
  Prec = Teuchos::rcp( Factory.Create("Amesos", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("Amesos stand-alone", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;
#endif
  
  Prec = Teuchos::rcp( Factory.Create("Chebyshev", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("Polynomial", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  Prec = Teuchos::rcp( Factory.Create("Krylov", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;

  
  


#if defined (HAVE_IFPACK_SUPPORTGRAPH) && defined (HAVE_IFPACK_AMESOS)
  Prec = Teuchos::rcp( Factory.Create("MSF Amesos", &*A) );
  assert (Prec !=Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;


#endif



#ifdef HAVE_IFPACK_SUPPORTGRAPH
  Prec = Teuchos::rcp( Factory.Create("MSF IC", &*A) );
  assert (Prec != Teuchos::null);
  IFPACK_CHK_ERR(Prec->Initialize());
  IFPACK_CHK_ERR(Prec->Compute());
  cout << *Prec;


#endif

  if (Comm.MyPID() == 0)
    cout << "Test `PrecondititonerFactory.exe' passed!" << endl;



#ifdef HAVE_MPI
  MPI_Finalize() ; 
#endif

  return(EXIT_SUCCESS);
}