/usr/include/trilinos/Ifpack2_LinearPartitioner_def.hpp is in libtrilinos-ifpack2-dev 12.10.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | /*@HEADER
// ***********************************************************************
//
// Ifpack2: Tempated 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
*/
#ifndef IFPACK2_LINEAR_PARTITIONER_DEF_HPP
#define IFPACK2_LINEAR_PARTITIONER_DEF_HPP
#include "Ifpack2_ConfigDefs.hpp"
#include "Ifpack2_LinearPartitioner_decl.hpp"
namespace Ifpack2 {
//==============================================================================
// Constructor
template<class GraphType>
LinearPartitioner<GraphType>::
LinearPartitioner (const Teuchos::RCP<const row_graph_type>& graph) :
OverlappingPartitioner<GraphType> (graph)
{}
template<class GraphType>
LinearPartitioner<GraphType>::~LinearPartitioner() {}
template<class GraphType>
void
LinearPartitioner<GraphType>::
setPartitionParameters (Teuchos::ParameterList& List) {}
template<class GraphType>
void LinearPartitioner<GraphType>::computePartitions()
{
using Teuchos::as;
// Partition_ is an array of local_ordinal_type. local_ordinal_type
// may be signed or unsigned. NumLocalParts_ is int, and needs to
// be signed, since negative values are significant. Comparisons
// between signed and unsigned integers often result in compiler
// warnings, which is why we use as() for explicit conversions
// below. We also use as() because in a debug build, it checks for
// overflow.
const int mod = as<int> (this->Graph_->getNodeNumRows () /
this->NumLocalParts_);
for (size_t i = 0; i < this->Graph_->getNodeNumRows (); ++i) {
this->Partition_[i] = as<local_ordinal_type> (i / mod);
if (this->Partition_[i] >= as<local_ordinal_type> (this->NumLocalParts_)) {
this->Partition_[i] = this->NumLocalParts_ - 1;
}
}
}
}// namespace Ifpack2
#define IFPACK2_LINEARPARTITIONER_INSTANT(LO,GO,N) \
template class Ifpack2::LinearPartitioner<Tpetra::CrsGraph< LO, GO, N > >; \
template class Ifpack2::LinearPartitioner<Tpetra::RowGraph< LO, GO, N > >;
#endif // IFPACK2_LINEARPARTITIONER_DEF_HPP
|