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/*
//@HEADER
// ***********************************************************************
//
// Ifpack2: Templated Object-Oriented Algebraic Preconditioner Package
// Copyright (2009) 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.
//
// 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 Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
*/
/*! \file Ifpack2_UnitTestRILUK.cpp
\brief Ifpack2 parallel unit tests for the RILUK template.
*/
#include <Teuchos_ConfigDefs.hpp>
#include <Ifpack2_ConfigDefs.hpp>
#include <Teuchos_UnitTestHarness.hpp>
#include <Ifpack2_Version.hpp>
#include <iostream>
#include "Tpetra_Core.hpp"
#include "Tpetra_MatrixIO.hpp"
#include "MatrixMarket_Tpetra.hpp"
#include "TpetraExt_MatrixMatrix.hpp"
#if defined(HAVE_IFPACK2_QD) && !defined(HAVE_TPETRA_EXPLICIT_INSTANTIATION)
#include <qd/dd_real.h>
#endif
#include <Ifpack2_UnitTestHelpers.hpp>
#include <Ifpack2_RILUK.hpp>
namespace {
using Tpetra::global_size_t;
typedef tif_utest::Node Node;
// Single-process unit tests for RILUK are located in the file Ifpack2_UnitTestSerialRILUK.cpp.
template <typename Scalar, typename LocalOrdinal, typename GlobalOrdinal>
static Teuchos::RCP<Ifpack2::RILUK<Tpetra::RowMatrix<Scalar,LocalOrdinal,GlobalOrdinal,Node> > > setupTest ()
{
// Test that ILU(k) can be done on a parallel sparse matrix with noncontiguous row map.
// See bug #6033.
typedef Tpetra::CrsMatrix<Scalar,LocalOrdinal,GlobalOrdinal,Node> crs_matrix_type;
typedef Tpetra::RowMatrix<Scalar,LocalOrdinal,GlobalOrdinal,Node> row_matrix_type;
typedef Tpetra::Map<LocalOrdinal,GlobalOrdinal,Node> map_type;
using Teuchos::RCP;
using Teuchos::rcp;
RCP<const Teuchos::Comm<int> > comm = Tpetra::getDefaultComm();
int nx = 2;
size_t numElementsPerProc = nx*nx;
//create noncontiguous row map.
Teuchos::Array<GlobalOrdinal> eltList;
GlobalOrdinal offset = 2*numElementsPerProc;
for (size_t i=0; i<numElementsPerProc; ++i)
eltList.push_back(comm->getRank()*offset + 2*i);
const global_size_t INVALID = Teuchos::OrdinalTraits<global_size_t>::invalid();
RCP<const map_type> map = Teuchos::rcp(new map_type(INVALID, eltList(), 0, comm));
//Construct a nondiagonal matrix. It's not tridiagonal because of processor boundaries.
const Scalar one = Teuchos::ScalarTraits<Scalar>::one();
const Scalar two = one + one;
RCP<crs_matrix_type > A = Teuchos::rcp(new crs_matrix_type(map, 3));
Teuchos::Array<GlobalOrdinal> col(3);
Teuchos::Array<Scalar> val(3);
size_t numLocalElts = map->getNodeNumElements();
for(LocalOrdinal l_row = 0; (size_t) l_row < numLocalElts; l_row++) {
GlobalOrdinal g_row = map->getGlobalElement(l_row);
size_t i=0;
col[i] = g_row;
val[i++] = two;
if (l_row>0) {col[i] = map->getGlobalElement(l_row-1); val[i++] = -one;}
if ((size_t)l_row<numLocalElts-1) {col[i] = map->getGlobalElement(l_row+1); val[i++] = -one;}
A->insertGlobalValues(g_row, col(0,i), val(0,i));
}
A->fillComplete();
RCP<const crs_matrix_type> constA = A;
auto prec = rcp(new Ifpack2::RILUK<row_matrix_type>(constA));
Teuchos::ParameterList params;
GlobalOrdinal lof=1;
params.set("fact: iluk level-of-fill", lof);
params.set("fact: iluk level-of-overlap", 0);
prec->setParameters(params);
return prec;
}
TEUCHOS_UNIT_TEST_TEMPLATE_3_DECL(Ifpack2RILUK, Parallel, Scalar, LocalOrdinal, GlobalOrdinal)
{
std::string version = Ifpack2::Version();
out << "Ifpack2::Version(): " << version << std::endl;
auto prec = setupTest<Scalar, LocalOrdinal, GlobalOrdinal>();
prec->initialize();
prec->compute();
}
TEUCHOS_UNIT_TEST_TEMPLATE_3_DECL(Ifpack2RILUK, ParallelReuse, Scalar, LocalOrdinal, GlobalOrdinal)
{
std::string version = Ifpack2::Version();
out << "Ifpack2::Version(): " << version << std::endl;
auto prec = setupTest<Scalar, LocalOrdinal, GlobalOrdinal>();
prec->initialize();
prec->compute();
// Pretend we've updated some of the numbers in the matrix, but not its structure.
prec->compute();
}
#define UNIT_TEST_GROUP_SC_LO_GO( SC, LO, GO ) \
TEUCHOS_UNIT_TEST_TEMPLATE_3_INSTANT( Ifpack2RILUK, Parallel, SC, LO, GO ) \
TEUCHOS_UNIT_TEST_TEMPLATE_3_INSTANT( Ifpack2RILUK, ParallelReuse, SC, LO, GO )
#include "Ifpack2_ETIHelperMacros.h"
IFPACK2_ETI_MANGLING_TYPEDEFS()
// Test all enabled combinations of Scalar (SC), LocalOrdinal (LO),
// and GlobalOrdinal (GO) types.
IFPACK2_INSTANTIATE_SLG( UNIT_TEST_GROUP_SC_LO_GO )
}//namespace <anonymous>
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