This file is indexed.

/usr/include/trilinos/Tsqr_NodeTsqrFactory.hpp is in libtrilinos-tpetra-dev 12.12.1-5.

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
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
//@HEADER
// ************************************************************************
//
//          Kokkos: Node API and Parallel Node Kernels
//              Copyright (2008) 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 Michael A. Heroux (maherou@sandia.gov)
//
// ************************************************************************
//@HEADER

#ifndef __TSQR_NodeTsqrFactory_hpp
#define __TSQR_NodeTsqrFactory_hpp

#include <Tsqr_ConfigDefs.hpp>
#include <Kokkos_DefaultNode.hpp>

#ifdef HAVE_KOKKOSTSQR_TBB
#  include <TbbTsqr.hpp>
#endif // HAVE_KOKKOSTSQR_TBB

#include <Tsqr_KokkosNodeTsqr.hpp>
#include <Tsqr_SequentialTsqr.hpp>

#include <Teuchos_ParameterList.hpp>
#include <Teuchos_ParameterListExceptions.hpp>
#include <Teuchos_RCP.hpp>
#include <Teuchos_ScalarTraits.hpp>
#include <Teuchos_TypeNameTraits.hpp>

#include <stdexcept>


namespace TSQR {

  /// \class NodeTsqrFactory
  /// \brief Factory for creating an instance of the right \c NodeTsqr subclass.
  /// \author Mark Hoemmen
  ///
  /// \tparam Node The Kokkos Node type
  /// \tparam Scalar The type of entries in the matrices to factor
  /// \tparam LocalOrdinal The type of local indices in the matrices to factor
  ///
  /// This class maps from a particular Kokkos \c Node type, to the
  /// corresponding \c NodeTsqr subclass.  It lets you construct a
  /// default ParameterList for that \c NodeTsqr subclass, as well as
  /// an instance of the \c NodeTsqr subclass.  It also provides
  /// typedefs for template metaprogramming.
  ///
  /// The "right" \c NodeTsqr subclass is a function of the \c Node
  /// template parameter, and possibly also of the other template
  /// parameters.
  ///
  /// \note If this class does <i>not</i> have a partial
  ///   specialization for your \c Node type, it defaults to use
  ///   SequentialTsqr.  That class does <i>not</i> use threads, and
  ///   only knows how to deal with host data; it cannot handle GPU
  ///   device-resident data.  Thus, it may perform poorly.
  template<class Node, class Scalar, class LocalOrdinal>
  class NodeTsqrFactory {
  public:
    //! The Kokkos Node type.
    typedef Node node_type;
    //! Pointer (RCP) to node_type.
    typedef Teuchos::RCP<node_type> node_ptr;

    //! The NodeTsqr subclass corresponding to the Kokkos Node type.
    typedef SequentialTsqr<LocalOrdinal, Scalar> node_tsqr_type;

    /// \brief Default parameter list for intranode TSQR.
    ///
    /// \note The default implementation returns an empty (not null)
    ///   parameter list.  Each specialization for a specific Node
    ///   type redefines this method to return a parameter list
    ///   appropriate for that Node type's TSQR implementation.
    static Teuchos::RCP<const Teuchos::ParameterList>
    getDefaultParameters ()
    {
      using Teuchos::ParameterList;
      using Teuchos::parameterList;
      using Teuchos::RCP;

      RCP<ParameterList> params = parameterList ("NodeTsqr");
      // Create a temporary node_tsqr_type instance in order to get
      // default parameters.  The empty input parameter list will get
      // filled in with default values of missing parameters.
      node_tsqr_type nodeTsqr (params);

      return params;
    }

    /// \brief Return a pointer to the intranode TSQR implementation.
    ///
    /// \param node [in/out] Pointer to the Kokkos Node instance.
    ///
    /// \param plist [in/out] Parameter list for configuring the
    ///   NodeTsqr implementation.
    static Teuchos::RCP<node_tsqr_type>
    makeNodeTsqr (const Teuchos::RCP<node_type>& node,
                  const Teuchos::RCP<Teuchos::ParameterList>& plist)
    {
      (void) node;
      return rcp (new node_tsqr_type (plist));
    }

    /// \brief Prepare the NodeTsqr instance for use by setting its
    ///   Kokkos \c Node instance.
    ///
    /// Some NodeTsqr subclasses can't compute anything until they
    /// have a pointer to a Kokkos Node instance.  Call this method
    /// before invoking any computational methods of the NodeTsqr
    /// subclass instance.
    ///
    /// \pre <tt> ! nodeTsqr.is_null() && ! node.is_null() </tt>
    /// \post <tt> nodeTsqr->ready() </tt>
    static void
    prepareNodeTsqr (const Teuchos::RCP<node_tsqr_type>& nodeTsqr,
                     const Teuchos::RCP<node_type>& node)
    {
      // SequentialTsqr doesn't need the Kokkos Node instance.
      (void) nodeTsqr;
      (void) node;
    }
  };
} // namespace TSQR

#endif // __TSQR_NodeTsqrFactory_hpp