Tpetra parallel linear algebra
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Tpetra_ApplyOp.hpp
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// @HEADER
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// ***********************************************************************
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//
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// Tpetra: Templated Linear Algebra Services Package
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// Copyright (2008) Sandia Corporation
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ************************************************************************
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// @HEADER
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#ifndef TPETRA_APPLYOP_HPP
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#define TPETRA_APPLYOP_HPP
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#include "Tpetra_ConfigDefs.hpp"
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#include "Tpetra_Operator.hpp"
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#include "Tpetra_MultiVector.hpp"
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namespace
Tpetra
{
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namespace
details {
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template
<
class
Scalar,
class
OperatorType>
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class
ApplyOp
:
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public
Tpetra::Operator
<Scalar,
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typename OperatorType::local_ordinal_type,
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typename OperatorType::global_ordinal_type,
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typename OperatorType::node_type> {
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public
:
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// \name Typedefs
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typedef
typename
OperatorType::scalar_type
scalar_type
;
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typedef
typename
OperatorType::local_ordinal_type
local_ordinal_type
;
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typedef
typename
OperatorType::global_ordinal_type
global_ordinal_type
;
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typedef
typename
OperatorType::node_type
node_type
;
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ApplyOp
(
const
Teuchos::RCP<const OperatorType> &op) :
operator_
(op)
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{}
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virtual
~ApplyOp
() {}
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void
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apply
(
const
Tpetra::MultiVector<Scalar,local_ordinal_type,global_ordinal_type,node_type>
& X,
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Tpetra::MultiVector<Scalar,local_ordinal_type,global_ordinal_type,node_type>
& Y,
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Teuchos::ETransp mode = Teuchos::NO_TRANS,
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Scalar alpha = Teuchos::ScalarTraits<Scalar>::one(),
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Scalar beta = Teuchos::ScalarTraits<Scalar>::zero())
const
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{
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operator_
->template applyTempl<Scalar,Scalar> (X, Y, mode, alpha, beta);
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}
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bool
hasTransposeApply
()
const
{
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return
operator_
->hasTransposeApply ();
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}
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Teuchos::RCP<const Tpetra::Map<local_ordinal_type,global_ordinal_type,node_type> >
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getDomainMap
()
const
{
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return
operator_
->getDomainMap ();
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}
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Teuchos::RCP<const Tpetra::Map<local_ordinal_type,global_ordinal_type,node_type> >
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getRangeMap
()
const
{
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return
operator_
->getRangeMap ();
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}
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protected
:
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Teuchos::RCP<const OperatorType>
operator_
;
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};
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}
// end of namespace details
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}
// end of namespace Tpetra
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#endif
// TPETRA_APPLYOP_HPP
Tpetra::MultiVector
One or more distributed dense vectors.
Definition
Tpetra_MultiVector_decl.hpp:387
Tpetra::Operator
Abstract interface for operators (e.g., matrices and preconditioners).
Definition
Tpetra_Operator.hpp:87
Tpetra::details::ApplyOp::~ApplyOp
virtual ~ApplyOp()
Destructor.
Definition
Tpetra_ApplyOp.hpp:108
Tpetra::details::ApplyOp::ApplyOp
ApplyOp(const Teuchos::RCP< const OperatorType > &op)
Constructor.
Definition
Tpetra_ApplyOp.hpp:104
Tpetra::details::ApplyOp::global_ordinal_type
OperatorType::global_ordinal_type global_ordinal_type
The type of global indices in the input OperatorType.
Definition
Tpetra_ApplyOp.hpp:92
Tpetra::details::ApplyOp::operator_
Teuchos::RCP< const OperatorType > operator_
The underlying Operator object.
Definition
Tpetra_ApplyOp.hpp:154
Tpetra::details::ApplyOp::scalar_type
OperatorType::scalar_type scalar_type
The type of the entries of the input OperatorType.
Definition
Tpetra_ApplyOp.hpp:86
Tpetra::details::ApplyOp::local_ordinal_type
OperatorType::local_ordinal_type local_ordinal_type
The type of local indices in the input OperatorType.
Definition
Tpetra_ApplyOp.hpp:89
Tpetra::details::ApplyOp::apply
void apply(const Tpetra::MultiVector< Scalar, local_ordinal_type, global_ordinal_type, node_type > &X, Tpetra::MultiVector< Scalar, local_ordinal_type, global_ordinal_type, node_type > &Y, Teuchos::ETransp mode=Teuchos::NO_TRANS, Scalar alpha=Teuchos::ScalarTraits< Scalar >::one(), Scalar beta=Teuchos::ScalarTraits< Scalar >::zero()) const
Compute Y = beta*Y + alpha*Op(A)*X, where Op(A) is either A, , or .
Definition
Tpetra_ApplyOp.hpp:120
Tpetra::details::ApplyOp::getDomainMap
Teuchos::RCP< const Tpetra::Map< local_ordinal_type, global_ordinal_type, node_type > > getDomainMap() const
The domain Map of this Operator.
Definition
Tpetra_ApplyOp.hpp:141
Tpetra::details::ApplyOp::getRangeMap
Teuchos::RCP< const Tpetra::Map< local_ordinal_type, global_ordinal_type, node_type > > getRangeMap() const
The range Map of this Operator.
Definition
Tpetra_ApplyOp.hpp:147
Tpetra::details::ApplyOp::hasTransposeApply
bool hasTransposeApply() const
Whether this Operator's apply() method can apply the transpose or conjugate transpose.
Definition
Tpetra_ApplyOp.hpp:135
Tpetra::details::ApplyOp::node_type
OperatorType::node_type node_type
The type of the Kokkos Node used by the input OperatorType.
Definition
Tpetra_ApplyOp.hpp:95
Tpetra
Namespace Tpetra contains the class and methods constituting the Tpetra library.
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