This file is indexed.

/usr/include/dune/pdelab/gridfunctionspace/powergridfunctionspace.hh is in libdune-pdelab-dev 2.5.0~20170124g7cf9f47a-1.

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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
// -*- tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=8 sw=2 sts=2:

#ifndef DUNE_PDELAB_GRIDFUNCTIONSPACE_POWERGRIDFUNCTIONSPACE_HH
#define DUNE_PDELAB_GRIDFUNCTIONSPACE_POWERGRIDFUNCTIONSPACE_HH

#include <cstddef>
#include <memory>

#include <dune/typetree/powernode.hh>

#include <dune/pdelab/gridfunctionspace/powercompositegridfunctionspacebase.hh>
#include <dune/pdelab/gridfunctionspace/datahandleprovider.hh>
#include <dune/pdelab/gridfunctionspace/tags.hh>

namespace Dune {
  namespace PDELab {

    //=======================================
    // power grid function space
    //=======================================

    /** \brief base class for tuples of grid function spaces
        product of identical grid function spaces
        base class that holds implementation of the methods

        PGFS(T,k) = {T}^k

        \tparam T the underlying are all grid function spaces
        \tparam k power factor
        \tparam Mapper is the ordering parameter. Use e.g.
        \link GridFunctionSpaceLexicographicMapper GridFunctionSpaceLexicographicMapper \endlink
        or \link  GridFunctionSpaceComponentBlockwiseMapper  GridFunctionSpaceComponentBlockwiseMapper \endlink
        or \link  GridFunctionSpaceBlockwiseMapper  GridFunctionSpaceBlockwiseMapper \endlink
        or \link  GridFunctionSpaceDynamicBlockwiseMapper  GridFunctionSpaceDynamicBlockwiseMapper \endlink
    */
    template<typename T, std::size_t k,
             typename Backend,
             typename OrderingTag = LexicographicOrderingTag>
    class PowerGridFunctionSpace
      : public TypeTree::PowerNode<T,k>
      , public PowerCompositeGridFunctionSpaceBase<
          PowerGridFunctionSpace<T, k, Backend, OrderingTag>,
          typename T::Traits::EntitySet,
          Backend,
          OrderingTag,
          k>
      , public DataHandleProvider<PowerGridFunctionSpace<T,k,Backend,OrderingTag> >
    {

    public:

      typedef PowerGridFunctionSpaceTag ImplementationTag;

      typedef TypeTree::PowerNode<T,k> BaseT;

    private:

      typedef PowerCompositeGridFunctionSpaceBase<
        PowerGridFunctionSpace,
        typename T::Traits::EntitySet,
        Backend,
        OrderingTag,
        k
        > ImplementationBase;

      friend class PowerCompositeGridFunctionSpaceBase<
        PowerGridFunctionSpace,
        typename T::Traits::EntitySet,
        Backend,
        OrderingTag,
        k>;

      template<typename,typename>
      friend class GridFunctionSpaceBase;

      typedef TypeTree::TransformTree<PowerGridFunctionSpace,
                                      gfs_to_ordering<PowerGridFunctionSpace>
                                      > ordering_transformation;

    public:

      typedef typename ordering_transformation::Type Ordering;

      //! export traits class
      typedef typename ImplementationBase::Traits Traits;


      PowerGridFunctionSpace(T& c, const Backend& backend = Backend(), const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c)
        , ImplementationBase(backend,ordering_tag)
      {}

      PowerGridFunctionSpace (T& c0,
                              T& c1,
                              const Backend& backend = Backend(),
                              const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c0,c1)
        , ImplementationBase(backend,ordering_tag)
      {}

      PowerGridFunctionSpace (T& c0,
                              T& c1,
                              T& c2,
                              const Backend& backend = Backend(),
                              const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c0,c1,c2)
        , ImplementationBase(backend,ordering_tag)
      {}

      PowerGridFunctionSpace (T& c0,
                              T& c1,
                              T& c2,
                              T& c3,
                              const Backend& backend = Backend(),
                              const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c0,c1,c2,c3)
        , ImplementationBase(backend,ordering_tag)
      {}

      PowerGridFunctionSpace (T& c0,
                              T& c1,
                              T& c2,
                              T& c3,
                              T& c4,
                              const Backend& backend = Backend(),
                              const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c0,c1,c2,c3,c4)
        , ImplementationBase(backend,ordering_tag)
      {}

      PowerGridFunctionSpace (T& c0,
                              T& c1,
                              T& c2,
                              T& c3,
                              T& c4,
                              T& c5,
                              const Backend& backend = Backend(),
                              const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c0,c1,c2,c3,c4,c5)
        , ImplementationBase(backend,ordering_tag)
      {}

      PowerGridFunctionSpace (T& c0,
                              T& c1,
                              T& c2,
                              T& c3,
                              T& c4,
                              T& c5,
                              T& c6,
                              const Backend& backend = Backend(),
                              const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c0,c1,c2,c3,c4,c5,c6)
        , ImplementationBase(backend,ordering_tag)
      {}

      PowerGridFunctionSpace (T& c0,
                              T& c1,
                              T& c2,
                              T& c3,
                              T& c4,
                              T& c5,
                              T& c6,
                              T& c7,
                              const Backend& backend = Backend(),
                              const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c0,c1,c2,c3,c4,c5,c6,c7)
        , ImplementationBase(backend,ordering_tag)
      {}

      PowerGridFunctionSpace (T& c0,
                              T& c1,
                              T& c2,
                              T& c3,
                              T& c4,
                              T& c5,
                              T& c6,
                              T& c7,
                              T& c8,
                              const Backend& backend = Backend(),
                              const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c0,c1,c2,c3,c4,c5,c6,c7,c8)
        , ImplementationBase(backend,ordering_tag)
      {}

      PowerGridFunctionSpace (T& c0,
                              T& c1,
                              T& c2,
                              T& c3,
                              T& c4,
                              T& c5,
                              T& c6,
                              T& c7,
                              T& c8,
                              T& c9,
                              const Backend& backend = Backend(),
                              const OrderingTag ordering_tag = OrderingTag())
        : BaseT(c0,c1,c2,c3,c4,c5,c6,c7,c8,c9)
        , ImplementationBase(backend,ordering_tag)
      {}

      template<typename Child0, typename... Children>
      PowerGridFunctionSpace(std::shared_ptr<Child0> child0, std::shared_ptr<Children>... children)
        : BaseT(child0, children...)
        , ImplementationBase(Backend(),OrderingTag())
      {}

      //! Direct access to the DOF ordering.
      const Ordering &ordering() const
      {
        if (!this->isRootSpace())
          {
            DUNE_THROW(GridFunctionSpaceHierarchyError,
                       "Ordering can only be obtained for root space in GridFunctionSpace tree.");
          }
        if (!_ordering)
          {
            create_ordering();
            this->update(*_ordering);
          }
        return *_ordering;
      }

      //! Direct access to the DOF ordering.
      Ordering &ordering()
      {
        if (!this->isRootSpace())
          {
            DUNE_THROW(GridFunctionSpaceHierarchyError,
                       "Ordering can only be obtained for root space in GridFunctionSpace tree.");
          }
        if (!_ordering)
          {
            create_ordering();
            this->update(*_ordering);
          }
        return *_ordering;
      }

      //! Direct access to the storage of the DOF ordering.
      std::shared_ptr<const Ordering> orderingStorage() const
      {
        if (!this->isRootSpace())
          {
            DUNE_THROW(GridFunctionSpaceHierarchyError,
                       "Ordering can only be obtained for root space in GridFunctionSpace tree.");
          }
        if (!_ordering)
          {
            create_ordering();
            this->update(*_ordering);
          }
        return _ordering;
      }

      //! Direct access to the storage of the DOF ordering.
      std::shared_ptr<Ordering> orderingStorage()
      {
        if (!this->isRootSpace())
          {
            DUNE_THROW(GridFunctionSpaceHierarchyError,
                       "Ordering can only be obtained for root space in GridFunctionSpace tree.");
          }
        if (!_ordering)
          {
            create_ordering();
            this->update(*_ordering);
          }
        return _ordering;
      }

    private:

      // This method here is to avoid a double update of the Ordering when the user calls
      // GFS::update() before GFS::ordering().
      void create_ordering() const
      {
        set_entity_set_visitor<typename Traits::EntitySet> visitor(this->entitySet());
        TypeTree::applyToTree(*this,visitor);
        _ordering = std::make_shared<Ordering>(ordering_transformation::transform(*this));
      }

      mutable std::shared_ptr<Ordering> _ordering;

    };

  } // namespace PDELab
} // namespace Dune

#endif // DUNE_PDELAB_GRIDFUNCTIONSPACE_POWERGRIDFUNCTIONSPACE_HH