Tpetra parallel linear algebra
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Tpetra_TieBreak.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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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// ************************************************************************
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// @HEADER
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#ifndef TPETRA_DETAILS_TIEBREAK_HPP
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#define TPETRA_DETAILS_TIEBREAK_HPP
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#include "
Tpetra_TieBreak_fwd.hpp
"
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#include "Teuchos_RCP.hpp"
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#include <utility>
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#include <vector>
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namespace
Tpetra
{
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namespace
Details
{
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template
<
typename
LocalOrdinal,
typename
GlobalOrdinal>
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class
TieBreak
{
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public
:
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struct
Triplet
{
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LocalOrdinal LID;
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GlobalOrdinal GID;
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int
PID;
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};
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virtual
bool
mayHaveSideEffects
()
const
{
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return
true
;
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}
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virtual
~TieBreak
() =
default
;
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virtual
std::size_t
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selectedIndex
(GlobalOrdinal GID,
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const
std::vector<std::pair<int, LocalOrdinal> >& pid_and_lid)
const
= 0;
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};
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}
// namespace Details
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}
// namespace Tpetra
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#endif
// TPETRA_DETAILS_TIEBREAK_HPP
Tpetra_TieBreak_fwd.hpp
Forward declaration for Tpetra::TieBreak.
Tpetra::Details::TieBreak
Interface for breaking ties in ownership.
Definition
Tpetra_TieBreak.hpp:68
Tpetra::Details::TieBreak::~TieBreak
virtual ~TieBreak()=default
Virtual destructor (for memory safety of derived classes).
Tpetra::Details::TieBreak::mayHaveSideEffects
virtual bool mayHaveSideEffects() const
Whether selectedIndex() may have side effects.
Definition
Tpetra_TieBreak.hpp:98
Tpetra::Details::TieBreak::selectedIndex
virtual std::size_t selectedIndex(GlobalOrdinal GID, const std::vector< std::pair< int, LocalOrdinal > > &pid_and_lid) const =0
Break any ties in ownership of the given global index GID.
Tpetra::Details
Nonmember function that computes a residual Computes R = B - A * X.
Definition
Tpetra_KokkosRefactor_Details_MultiVectorLocalDeepCopy.hpp:51
Tpetra
Namespace Tpetra contains the class and methods constituting the Tpetra library.
Tpetra::Details::TieBreak::Triplet
Representation of a global index on a process.
Definition
Tpetra_TieBreak.hpp:83
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