/usr/include/trilinos/Xpetra_ThyraUtils.cpp is in libtrilinos-xpetra-dev 12.12.1-5.
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//
// ***********************************************************************
//
// Xpetra: A linear algebra interface package
// Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
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// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact
// Jonathan Hu (jhu@sandia.gov)
// Andrey Prokopenko (aprokop@sandia.gov)
// Ray Tuminaro (rstumin@sandia.gov)
// Tobias Wiesner (tawiesn@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
#include "Xpetra_ConfigDefs.hpp"
#ifdef HAVE_XPETRA_THYRA
#include "Xpetra_BlockedCrsMatrix.hpp"
//#include "Xpetra_ThyraUtils.hpp"
namespace Xpetra {
#ifdef HAVE_XPETRA_EPETRA
#ifndef XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES
// implementation of "toThyra" for full specialization on SC=double, LO=GO=int and NO=EpetraNode
// We need the specialization in the cpp file due to a circle dependency in the .hpp files for BlockedCrsMatrix
Teuchos::RCP<Thyra::LinearOpBase<double> >
ThyraUtils<double, int, int, EpetraNode>::toThyra(const Teuchos::RCP<Xpetra::BlockedCrsMatrix<double, int, int, EpetraNode> >& mat) {
int nRows = mat->Rows();
int nCols = mat->Cols();
Teuchos::RCP<Xpetra::Matrix<double, int, int, EpetraNode> > Ablock = mat->getInnermostCrsMatrix();
Teuchos::RCP<Xpetra::CrsMatrixWrap<double, int, int, EpetraNode> > Ablock_wrap = Teuchos::rcp_dynamic_cast<Xpetra::CrsMatrixWrap<double, int, int, EpetraNode>>(Ablock);
TEUCHOS_TEST_FOR_EXCEPT(Ablock_wrap.is_null() == true);
bool bTpetra = false;
bool bEpetra = false;
#ifdef HAVE_XPETRA_TPETRA
// Note: Epetra is enabled
#if ((defined(EPETRA_HAVE_OMP) && defined(HAVE_TPETRA_INST_OPENMP) && defined(HAVE_TPETRA_INST_INT_INT) && defined(HAVE_TPETRA_INST_DOUBLE)) || \
(!defined(EPETRA_HAVE_OMP) && defined(HAVE_TPETRA_INST_SERIAL) && defined(HAVE_TPETRA_INST_INT_INT) && defined(HAVE_TPETRA_INST_DOUBLE)))
Teuchos::RCP<Xpetra::TpetraCrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> > tpetraMat = Teuchos::rcp_dynamic_cast<Xpetra::TpetraCrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> >(Ablock_wrap->getCrsMatrix());
if(tpetraMat!=Teuchos::null) bTpetra = true;
#else
bTpetra = false;
#endif
#endif
#ifdef HAVE_XPETRA_EPETRA
Teuchos::RCP<Xpetra::EpetraCrsMatrixT<GlobalOrdinal,Node> > epetraMat = Teuchos::rcp_dynamic_cast<Xpetra::EpetraCrsMatrixT<GlobalOrdinal,Node> >(Ablock_wrap->getCrsMatrix());
if(epetraMat!=Teuchos::null) bEpetra = true;
#endif
TEUCHOS_TEST_FOR_EXCEPT(bTpetra == bEpetra); // we only allow Epetra OR Tpetra
// create new Thyra blocked operator
Teuchos::RCP<Thyra::PhysicallyBlockedLinearOpBase<Scalar> > blockMat =
Thyra::defaultBlockedLinearOp<Scalar>();
blockMat->beginBlockFill(nRows,nCols);
for (int r=0; r<nRows; ++r) {
for (int c=0; c<nCols; ++c) {
Teuchos::RCP<Matrix> xpmat = mat->getMatrix(r,c);
if(xpmat == Teuchos::null) continue; // shortcut for empty blocks
Teuchos::RCP<Thyra::LinearOpBase<Scalar> > thBlock = Teuchos::null;
// check whether the subblock is again a blocked operator
Teuchos::RCP<BlockedCrsMatrix> xpblock = Teuchos::rcp_dynamic_cast<BlockedCrsMatrix>(xpmat);
if(xpblock != Teuchos::null) {
if(xpblock->Rows() == 1 && xpblock->Cols() == 1) {
// If it is a single block operator, unwrap it
Teuchos::RCP<CrsMatrixWrap> xpwrap = Teuchos::rcp_dynamic_cast<CrsMatrixWrap>(xpblock->getCrsMatrix());
TEUCHOS_TEST_FOR_EXCEPT(xpwrap.is_null() == true);
thBlock = Xpetra::ThyraUtils<Scalar,LocalOrdinal,GlobalOrdinal,Node>::toThyra(xpwrap->getCrsMatrix());
} else {
// recursive call for general blocked operators
thBlock = Xpetra::ThyraUtils<Scalar,LocalOrdinal,GlobalOrdinal,Node>::toThyra(xpblock);
}
} else {
// check whether it is a CRSMatrix object
Teuchos::RCP<CrsMatrixWrap> xpwrap = Teuchos::rcp_dynamic_cast<CrsMatrixWrap>(xpmat);
TEUCHOS_TEST_FOR_EXCEPT(xpwrap.is_null() == true);
thBlock = Xpetra::ThyraUtils<Scalar,LocalOrdinal,GlobalOrdinal,Node>::toThyra(xpwrap->getCrsMatrix());
}
blockMat->setBlock(r,c,thBlock);
}
}
blockMat->endBlockFill();
return blockMat;
}
# endif //#ifndef XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES
#ifndef XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES
// implementation of "toThyra" for full specialization on SC=double, LO=int, GO=long long and NO=EpetraNode
// We need the specialization in the cpp file due to a circle dependency in the .hpp files for BlockedCrsMatrix
Teuchos::RCP<Thyra::LinearOpBase<double> >
ThyraUtils<double, int, long long, EpetraNode>::toThyra(const Teuchos::RCP<Xpetra::BlockedCrsMatrix<double, int, long long, EpetraNode> >& mat) {
int nRows = mat->Rows();
int nCols = mat->Cols();
Teuchos::RCP<Xpetra::Matrix<double, int, long long, EpetraNode> > Ablock = mat->getInnermostCrsMatrix();
Teuchos::RCP<Xpetra::CrsMatrixWrap<double, int, long long, EpetraNode> > Ablock_wrap = Teuchos::rcp_dynamic_cast<Xpetra::CrsMatrixWrap<double, int, long long, EpetraNode>>(Ablock);
TEUCHOS_TEST_FOR_EXCEPT(Ablock_wrap.is_null() == true);
bool bTpetra = false;
bool bEpetra = false;
#ifdef HAVE_XPETRA_TPETRA
// Note: Epetra is enabled
#if ((defined(EPETRA_HAVE_OMP) && defined(HAVE_TPETRA_INST_OPENMP) && defined(HAVE_TPETRA_INST_INT_LONG_LONG) && defined(HAVE_TPETRA_INST_DOUBLE)) || \
(!defined(EPETRA_HAVE_OMP) && defined(HAVE_TPETRA_INST_SERIAL) && defined(HAVE_TPETRA_INST_INT_LONG_LONG) && defined(HAVE_TPETRA_INST_DOUBLE)))
Teuchos::RCP<Xpetra::TpetraCrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> > tpetraMat = Teuchos::rcp_dynamic_cast<Xpetra::TpetraCrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> >(Ablock_wrap->getCrsMatrix());
if(tpetraMat!=Teuchos::null) bTpetra = true;
#else
bTpetra = false;
#endif
#endif
#ifdef HAVE_XPETRA_EPETRA
Teuchos::RCP<Xpetra::EpetraCrsMatrixT<GlobalOrdinal,Node> > epetraMat = Teuchos::rcp_dynamic_cast<Xpetra::EpetraCrsMatrixT<GlobalOrdinal,Node> >(Ablock_wrap->getCrsMatrix());
if(epetraMat!=Teuchos::null) bEpetra = true;
#endif
TEUCHOS_TEST_FOR_EXCEPT(bTpetra == bEpetra); // we only allow Epetra OR Tpetra
// create new Thyra blocked operator
Teuchos::RCP<Thyra::PhysicallyBlockedLinearOpBase<Scalar> > blockMat =
Thyra::defaultBlockedLinearOp<Scalar>();
blockMat->beginBlockFill(nRows,nCols);
for (int r=0; r<nRows; ++r) {
for (int c=0; c<nCols; ++c) {
Teuchos::RCP<Matrix> xpmat = mat->getMatrix(r,c);
if(xpmat == Teuchos::null) continue; // shortcut for empty blocks
Teuchos::RCP<Thyra::LinearOpBase<Scalar> > thBlock = Teuchos::null;
// check whether the subblock is again a blocked operator
Teuchos::RCP<BlockedCrsMatrix> xpblock = Teuchos::rcp_dynamic_cast<BlockedCrsMatrix>(xpmat);
if(xpblock != Teuchos::null) {
if(xpblock->Rows() == 1 && xpblock->Cols() == 1) {
// If it is a single block operator, unwrap it
Teuchos::RCP<CrsMatrixWrap> xpwrap = Teuchos::rcp_dynamic_cast<CrsMatrixWrap>(xpblock->getCrsMatrix());
TEUCHOS_TEST_FOR_EXCEPT(xpwrap.is_null() == true);
thBlock = Xpetra::ThyraUtils<Scalar,LocalOrdinal,GlobalOrdinal,Node>::toThyra(xpwrap->getCrsMatrix());
} else {
// recursive call for general blocked operators
thBlock = Xpetra::ThyraUtils<Scalar,LocalOrdinal,GlobalOrdinal,Node>::toThyra(xpblock);
}
} else {
// check whether it is a CRSMatrix object
Teuchos::RCP<CrsMatrixWrap> xpwrap = Teuchos::rcp_dynamic_cast<CrsMatrixWrap>(xpmat);
TEUCHOS_TEST_FOR_EXCEPT(xpwrap.is_null() == true);
thBlock = Xpetra::ThyraUtils<Scalar,LocalOrdinal,GlobalOrdinal,Node>::toThyra(xpwrap->getCrsMatrix());
}
blockMat->setBlock(r,c,thBlock);
}
}
blockMat->endBlockFill();
return blockMat;
}
#endif // #ifndef XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES
#endif
} // namespace Xpetra
#endif // HAVE_XPETRA_THYRA
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