Thyra_EpetraOperatorViewExtractorStd.cpp

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// ***********************************************************************
// 
//               Thyra: Trilinos Solver Framework Core
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//  
// This library is distributed in the hope that it will be useful, but
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
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#include "Thyra_EpetraOperatorViewExtractorStd.hpp"
#include "Thyra_EpetraLinearOpBase.hpp"
#include "Thyra_ScaledAdjointLinearOpBase.hpp"

class Epetra_Operator;


namespace Thyra {


// Overridden from EpetraOperatorViewExtractorBase


bool EpetraOperatorViewExtractorStd::isCompatible( const LinearOpBase<double> &fwdOp ) const
{
  double wrappedScalar = 0.0;
  EOpTransp wrappedTransp = NOTRANS;
  const LinearOpBase<double> *wrappedFwdOp = NULL;
  ::Thyra::unwrap(fwdOp, &wrappedScalar, &wrappedTransp, &wrappedFwdOp);
  const EpetraLinearOpBase *eFwdOp = NULL;
  if( !(eFwdOp = dynamic_cast<const EpetraLinearOpBase*>(wrappedFwdOp)) )
    return false;
  return true;
}


void EpetraOperatorViewExtractorStd::getNonconstEpetraOpView(
  const RCP<LinearOpBase<double> > &fwdOp,
  const Ptr<RCP<Epetra_Operator> > &epetraOp,
  const Ptr<EOpTransp> &epetraOpTransp,
  const Ptr<EApplyEpetraOpAs> &epetraOpApplyAs,
  const Ptr<EAdjointEpetraOp> &epetraOpAdjointSupport,
    const Ptr<double> &epetraOpScalar
  ) const
{
  TEST_FOR_EXCEPT(true);
  // ToDo: Implement once this is needed by just copying what is below and
  // removing the 'const' in the right places!
}


void EpetraOperatorViewExtractorStd::getEpetraOpView(
  const RCP<const LinearOpBase<double> > &fwdOp,
  const Ptr<RCP<const Epetra_Operator> > &epetraOp,
  const Ptr<EOpTransp> &epetraOpTransp,
  const Ptr<EApplyEpetraOpAs> &epetraOpApplyAs,
  const Ptr<EAdjointEpetraOp> &epetraOpAdjointSupport,
    const Ptr<double> &epetraOpScalar
  ) const
{
  using Teuchos::outArg;
  double wrappedFwdOpScalar = 0.0;
  EOpTransp wrappedFwdOpTransp = NOTRANS;
  Teuchos::RCP<const LinearOpBase<double> > wrappedFwdOp; 
  unwrap(fwdOp,&wrappedFwdOpScalar, &wrappedFwdOpTransp, &wrappedFwdOp);
  Teuchos::RCP<const EpetraLinearOpBase> epetraFwdOp =
    Teuchos::rcp_dynamic_cast<const EpetraLinearOpBase>(wrappedFwdOp,true);
  EOpTransp epetra_epetraOpTransp;
  epetraFwdOp->getEpetraOpView(epetraOp, outArg(epetra_epetraOpTransp),
    epetraOpApplyAs, epetraOpAdjointSupport);
  *epetraOpTransp = trans_trans(real_trans(epetra_epetraOpTransp), wrappedFwdOpTransp);
  *epetraOpScalar = wrappedFwdOpScalar;
}


// ToDo: Refactor unwrap(...) to not use raw pointers!


} // namespace Thyra