/usr/include/trilinos/Xpetra_IteratorOps.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.
//
// Redistribution and use in source and binary forms, with or without
// 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
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// 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_IteratorOps.hpp"
namespace Xpetra {
#if defined(HAVE_XPETRA_EPETRA) && !defined(XPETRA_EPETRA_NO_32BIT_GLOBAL_INDICES)
template<>
void Jacobi<double,int,int,EpetraNode>(double omega,
const Xpetra::Vector<double,int,int,EpetraNode> & Dinv,
const Xpetra::Matrix<double,int,int,EpetraNode> & A,
const Xpetra::Matrix<double,int,int,EpetraNode> & B,
Xpetra::Matrix<double,int,int,EpetraNode> &C,
bool call_FillComplete_on_result,
bool doOptimizeStorage,
const std::string & label,
const Teuchos::RCP<Teuchos::ParameterList>& params) {
typedef double SC;
typedef int LO;
typedef int GO;
typedef EpetraNode NO;
TEUCHOS_TEST_FOR_EXCEPTION(C.getRowMap()->isSameAs(*A.getRowMap()) == false, Exceptions::RuntimeError,
"XpetraExt::MatrixMatrix::Jacobi: row map of C is not same as row map of A")
TEUCHOS_TEST_FOR_EXCEPTION(C.getRowMap()->isSameAs(*B.getRowMap()) == false, Exceptions::RuntimeError,
"XpetraExt::MatrixMatrix::Jacobi: row map of C is not same as row map of B");
TEUCHOS_TEST_FOR_EXCEPTION(!A.isFillComplete(), Exceptions::RuntimeError, "A is not fill-completed");
TEUCHOS_TEST_FOR_EXCEPTION(!B.isFillComplete(), Exceptions::RuntimeError, "B is not fill-completed");
bool haveMultiplyDoFillComplete = call_FillComplete_on_result && doOptimizeStorage;
if (C.getRowMap()->lib() == Xpetra::UseEpetra) {
#ifndef HAVE_XPETRA_EPETRAEXT
throw(Xpetra::Exceptions::RuntimeError("Xpetra::IteratorOps::Jacobi requires EpetraExt to be compiled."));
#else
Epetra_CrsMatrix& epA = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(A);
Epetra_CrsMatrix& epB = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(B);
Epetra_CrsMatrix& epC = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(C);
// FIXME
XPETRA_DYNAMIC_CAST(const EpetraVectorT<GO XPETRA_COMMA NO>, Dinv, epD, "Xpetra::IteratorOps::Jacobi() only accepts Xpetra::EpetraVector as input argument.");
int i = EpetraExt::MatrixMatrix::Jacobi(omega, *epD.getEpetra_Vector(), epA, epB, epC, haveMultiplyDoFillComplete);
if (haveMultiplyDoFillComplete) {
// Due to Epetra wrapper intricacies, we need to explicitly call
// fillComplete on Xpetra matrix here. Specifically, EpetraCrsMatrix
// only keeps an internal variable to check whether we are in resumed
// state or not, but never touches the underlying Epetra object. As
// such, we need to explicitly update the state of Xpetra matrix to
// that of Epetra one afterwords
C.fillComplete();
}
if (i != 0) {
std::ostringstream buf;
buf << i;
std::string msg = "EpetraExt::MatrixMatrix::Jacobi return value of " + buf.str();
throw(Exceptions::RuntimeError(msg));
}
#endif
} else if (C.getRowMap()->lib() == Xpetra::UseTpetra) {
#ifdef HAVE_XPETRA_TPETRA
# if ((defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_OPENMP) || !defined(HAVE_TPETRA_INST_INT_INT))) || \
(!defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_SERIAL) || !defined(HAVE_TPETRA_INST_INT_INT))))
throw(Xpetra::Exceptions::RuntimeError("Xpetra must be compiled with Tpetra GO=<double,int,int> enabled."));
# else
const Tpetra::CrsMatrix<SC,LO,GO,NO> & tpA = Xpetra::Helpers<SC,LO,GO,NO>::Op2TpetraCrs(A);
const Tpetra::CrsMatrix<SC,LO,GO,NO> & tpB = Xpetra::Helpers<SC,LO,GO,NO>::Op2TpetraCrs(B);
Tpetra::CrsMatrix<SC,LO,GO,NO> & tpC = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstTpetraCrs(C);
const RCP<Tpetra::Vector<SC,LO,GO,NO> > & tpD = toTpetra(Dinv);
Tpetra::MatrixMatrix::Jacobi(omega, *tpD, tpA, tpB, tpC, haveMultiplyDoFillComplete, label, params);
# endif
#else
throw(Xpetra::Exceptions::RuntimeError("Xpetra must be compiled with Tpetra."));
#endif
}
if (call_FillComplete_on_result && !haveMultiplyDoFillComplete) {
RCP<Teuchos::ParameterList> ppp = rcp(new Teuchos::ParameterList());
ppp->set("Optimize Storage", doOptimizeStorage);
C.fillComplete(B.getDomainMap(), B.getRangeMap(), ppp);
}
// transfer striding information
Teuchos::RCP<Xpetra::Matrix<SC,LO,GO,NO> > rcpA = Teuchos::rcp_const_cast<Xpetra::Matrix<SC,LO,GO,NO> >(Teuchos::rcpFromRef(A));
Teuchos::RCP<Xpetra::Matrix<SC,LO,GO,NO> > rcpB = Teuchos::rcp_const_cast<Xpetra::Matrix<SC,LO,GO,NO> >(Teuchos::rcpFromRef(B));
C.CreateView("stridedMaps", rcpA, false, rcpB, false); // TODO use references instead of RCPs
}
#endif
#if defined(HAVE_XPETRA_EPETRA) && !defined(XPETRA_EPETRA_NO_64BIT_GLOBAL_INDICES)
template<>
void Jacobi<double,int,long long,EpetraNode>(double omega,
const Xpetra::Vector<double,int,long long,EpetraNode> & Dinv,
const Xpetra::Matrix<double,int,long long,EpetraNode> & A,
const Xpetra::Matrix<double,int,long long,EpetraNode> & B,
Xpetra::Matrix<double,int,long long,EpetraNode> &C,
bool call_FillComplete_on_result,
bool doOptimizeStorage,
const std::string & label,
const Teuchos::RCP<Teuchos::ParameterList>& params) {
typedef double SC;
typedef int LO;
typedef long long GO;
typedef EpetraNode NO;
TEUCHOS_TEST_FOR_EXCEPTION(C.getRowMap()->isSameAs(*A.getRowMap()) == false, Exceptions::RuntimeError,
"XpetraExt::MatrixMatrix::Jacobi: row map of C is not same as row map of A")
TEUCHOS_TEST_FOR_EXCEPTION(C.getRowMap()->isSameAs(*B.getRowMap()) == false, Exceptions::RuntimeError,
"XpetraExt::MatrixMatrix::Jacobi: row map of C is not same as row map of B");
TEUCHOS_TEST_FOR_EXCEPTION(!A.isFillComplete(), Exceptions::RuntimeError, "A is not fill-completed");
TEUCHOS_TEST_FOR_EXCEPTION(!B.isFillComplete(), Exceptions::RuntimeError, "B is not fill-completed");
bool haveMultiplyDoFillComplete = call_FillComplete_on_result && doOptimizeStorage;
if (C.getRowMap()->lib() == Xpetra::UseEpetra) {
#ifndef HAVE_XPETRA_EPETRAEXT
throw(Xpetra::Exceptions::RuntimeError("Xpetra::IteratorOps::Jacobi requires EpetraExt to be compiled."));
#else
Epetra_CrsMatrix& epA = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(A);
Epetra_CrsMatrix& epB = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(B);
Epetra_CrsMatrix& epC = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstEpetraCrs(C);
// FIXME
XPETRA_DYNAMIC_CAST(const EpetraVectorT<GO XPETRA_COMMA NO>, Dinv, epD, "Xpetra::IteratorOps::Jacobi() only accepts Xpetra::EpetraVector as input argument.");
int i = EpetraExt::MatrixMatrix::Jacobi(omega, *epD.getEpetra_Vector(), epA, epB, epC, haveMultiplyDoFillComplete);
if (haveMultiplyDoFillComplete) {
// Due to Epetra wrapper intricacies, we need to explicitly call
// fillComplete on Xpetra matrix here. Specifically, EpetraCrsMatrix
// only keeps an internal variable to check whether we are in resumed
// state or not, but never touches the underlying Epetra object. As
// such, we need to explicitly update the state of Xpetra matrix to
// that of Epetra one afterwords
C.fillComplete();
}
if (i != 0) {
std::ostringstream buf;
buf << i;
std::string msg = "EpetraExt::MatrixMatrix::Jacobi return value of " + buf.str();
throw(Exceptions::RuntimeError(msg));
}
#endif
} else if (C.getRowMap()->lib() == Xpetra::UseTpetra) {
#ifdef HAVE_XPETRA_TPETRA
# if ((defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_OPENMP) || !defined(HAVE_TPETRA_INST_INT_LONG_LONG))) || \
(!defined(EPETRA_HAVE_OMP) && (!defined(HAVE_TPETRA_INST_SERIAL) || !defined(HAVE_TPETRA_INST_INT_LONG_LONG))))
throw(Xpetra::Exceptions::RuntimeError("Xpetra must be compiled with Tpetra GO=<double,int,long long> enabled."));
# else
const Tpetra::CrsMatrix<SC,LO,GO,NO> & tpA = Xpetra::Helpers<SC,LO,GO,NO>::Op2TpetraCrs(A);
const Tpetra::CrsMatrix<SC,LO,GO,NO> & tpB = Xpetra::Helpers<SC,LO,GO,NO>::Op2TpetraCrs(B);
Tpetra::CrsMatrix<SC,LO,GO,NO> & tpC = Xpetra::Helpers<SC,LO,GO,NO>::Op2NonConstTpetraCrs(C);
const RCP<Tpetra::Vector<SC,LO,GO,NO> > & tpD = toTpetra(Dinv);
Tpetra::MatrixMatrix::Jacobi(omega, *tpD, tpA, tpB, tpC, haveMultiplyDoFillComplete, label, params);
# endif
#else
throw(Xpetra::Exceptions::RuntimeError("Xpetra must be compiled with Tpetra."));
#endif
}
if (call_FillComplete_on_result && !haveMultiplyDoFillComplete) {
RCP<Teuchos::ParameterList> ppp = rcp(new Teuchos::ParameterList());
ppp->set("Optimize Storage", doOptimizeStorage);
C.fillComplete(B.getDomainMap(), B.getRangeMap(), ppp);
}
// transfer striding information
Teuchos::RCP<Xpetra::Matrix<SC,LO,GO,NO> > rcpA = Teuchos::rcp_const_cast<Xpetra::Matrix<SC,LO,GO,NO> >(Teuchos::rcpFromRef(A));
Teuchos::RCP<Xpetra::Matrix<SC,LO,GO,NO> > rcpB = Teuchos::rcp_const_cast<Xpetra::Matrix<SC,LO,GO,NO> >(Teuchos::rcpFromRef(B));
C.CreateView("stridedMaps", rcpA, false, rcpB, false); // TODO use references instead of RCPs
}
#endif
} // namespace Xpetra
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