PlayaEpetraVectorType.cpp

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//                 Playa: Programmable Linear Algebra
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#include "PlayaEpetraVectorType.hpp"
#include "PlayaEpetraVectorSpace.hpp"
#include "PlayaEpetraGhostImporter.hpp"
#include "PlayaEpetraMatrixFactory.hpp"
#include "Epetra_Map.h"
#include "Epetra_Import.h"
#include "Epetra_Comm.h"
#include "PlayaOut.hpp"

#ifdef HAVE_MPI
#include "Epetra_MpiComm.h"
#else
#include "Epetra_SerialComm.h"
#endif

#include "Teuchos_RefCountPtr.hpp"
#include "PlayaEpetraMatrix.hpp"

using namespace Playa;
using namespace Teuchos;

EpetraVectorType::EpetraVectorType()
{;}


RCP<const VectorSpaceBase<double> > 
EpetraVectorType::createSpace(int /*dimension*/,
  int nLocal,
  const int* localIndices,
  const MPIComm& comm) const
{
#ifdef HAVE_MPI
  Epetra_MpiComm epComm(comm.getComm());
#else
  Epetra_SerialComm epComm;
#endif

  TEUCHOS_TEST_FOR_EXCEPTION(nLocal < 0, std::runtime_error, "negative vector size n=" << nLocal);

  RCP<Epetra_Map> map = rcp(new Epetra_Map(-1, nLocal,
      (int*) localIndices,
      0, epComm));

  return rcp(new EpetraVectorSpace(map));
}

RCP<GhostImporter<double> > 
EpetraVectorType::createGhostImporter(const VectorSpace<double>& space,
                                      int nGhost,
                                      const int* ghostIndices) const
{
  const EpetraVectorSpace* p 
    = dynamic_cast<const EpetraVectorSpace*>(space.ptr().get());

  TEUCHOS_TEST_FOR_EXCEPTION(p==0, std::runtime_error,
                     "non-epetra vector space [" << space.description() << "] given as "
                     "argument to EpetraVectorType::createGhostImporter()");

  return rcp(new EpetraGhostImporter(p->epetraMap(), nGhost, ghostIndices));
  
}

RCP<MatrixFactory<double> >
EpetraVectorType::createMatrixFactory(const VectorSpace<double>& domain,
                                      const VectorSpace<double>& range) const
{
  RCP<const EpetraVectorSpace> pd 
    = rcp_dynamic_cast<const EpetraVectorSpace>(domain.ptr());

  RCP<const EpetraVectorSpace> pr 
    = rcp_dynamic_cast<const EpetraVectorSpace>(range.ptr());


  TEUCHOS_TEST_FOR_EXCEPTION(pd.get()==0, std::runtime_error, 
                     "incompatible domain space given to "
                     "EpetraVectorType::createMatrix()");

  TEUCHOS_TEST_FOR_EXCEPTION(pr.get()==0, std::runtime_error, 
                     "incompatible range space given to "
                     "EpetraVectorType::createMatrix()");

  //  RCP<SingleScalarTypeOp<double> > A = rcp(new EpetraMatrix(pd, pr));

  return rcp(new EpetraMatrixFactory(pd, pr));
}