Tpetra parallel linear algebra  Version of the Day
Tpetra_Directory_decl.hpp
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41 
42 #ifndef TPETRA_DIRECTORY_DECL_HPP
43 #define TPETRA_DIRECTORY_DECL_HPP
44 
45 #include "Tpetra_ConfigDefs.hpp"
46 #include "Tpetra_Map_decl.hpp"
48 #include "Tpetra_TieBreak.hpp"
49 #include <Teuchos_Describable.hpp>
50 
51 namespace Tpetra {
52 
123  template<class LocalOrdinal,
124  class GlobalOrdinal,
125  class Node>
126  class Directory : public Teuchos::Describable {
127  public:
130 
132 
133 
138  Directory ();
139 
141  ~Directory ();
142 
144  void initialize (const map_type& map);
145 
147  void
148  initialize (const map_type& map,
150 
152  bool initialized () const;
153 
172 #ifdef TPETRA_ENABLE_DEPRECATED_CODE
173  template <class Node2>
174  Teuchos::RCP<Directory<LocalOrdinal,GlobalOrdinal,Node2> > TPETRA_DEPRECATED
175  clone (const Map<LocalOrdinal,GlobalOrdinal,Node2>& clone_map) const
176  {
177  using Teuchos::RCP;
178  typedef LocalOrdinal LO;
179  typedef GlobalOrdinal GO;
180 
181  RCP<Directory<LO, GO, Node2> > dir (new Directory<LO, GO, Node2> ());
182  if (clone_map.isDistributed ()) {
183  if (clone_map.isUniform ()) {
184  typedef ::Tpetra::Details::ContiguousUniformDirectory<LO, GO, Node> impl_type;
185  const impl_type* theImpl = dynamic_cast<const impl_type*> (impl_);
186  TEUCHOS_TEST_FOR_EXCEPTION(
187  theImpl == NULL, std::logic_error, "Tpetra::Directory::clone: "
188  "The input Map claims to be distributed, contiguous, and uniform, "
189  "but its Directory's implementation type does not match that assumption. "
190  "Please report this bug to the Tpetra developers.");
191  dir->impl_ = theImpl->template clone<Node2> (clone_map);
192  }
193  else if (clone_map.isContiguous ()) {
194  typedef ::Tpetra::Details::DistributedContiguousDirectory<LO, GO, Node> impl_type;
195  const impl_type* theImpl = dynamic_cast<const impl_type*> (impl_);
196  TEUCHOS_TEST_FOR_EXCEPTION(
197  theImpl == NULL, std::logic_error, "Tpetra::Directory::clone: "
198  "The input Map claims to be distributed and contiguous, but its "
199  "Directory's implementation type does not match that assumption. "
200  "Please report this bug to the Tpetra developers.");
201  dir->impl_ = theImpl->template clone<Node2> (clone_map);
202  }
203  else { // not contiguous
204  typedef ::Tpetra::Details::DistributedNoncontiguousDirectory<LO, GO, Node> impl_type;
205  const impl_type* theImpl = dynamic_cast<const impl_type*> (impl_);
206  TEUCHOS_TEST_FOR_EXCEPTION(
207  theImpl == NULL, std::logic_error, "Tpetra::Directory::clone: "
208  "The input Map claims to be noncontiguous, but its "
209  "Directory's implementation type does not match that assumption. "
210  "Please report this bug to the Tpetra developers.");
211  dir->impl_ = theImpl->template clone<Node2> (clone_map);
212  }
213  }
214  else { // locally replicated (not distributed)
215  typedef ::Tpetra::Details::ReplicatedDirectory<LO, GO, Node> impl_type;
216  const impl_type* theImpl = dynamic_cast<const impl_type*> (impl_);
217  TEUCHOS_TEST_FOR_EXCEPTION(
218  theImpl == NULL, std::logic_error, "Tpetra::Directory::clone: "
219  "The input Map claims to be locally replicated, but its "
220  "Directory's implementation type does not match that assumption. "
221  "Please report this bug to the Tpetra developers.");
222  dir->impl_ = theImpl->template clone<Node2> (clone_map);
223  }
224  return dir;
225  }
226 #endif
227 
229 
231 
233  std::string description () const;
234 
236 
238 
266  const Teuchos::ArrayView<const GlobalOrdinal>& globalIDs,
267  const Teuchos::ArrayView<int>& nodeIDs) const;
268 
306  const Teuchos::ArrayView<const GlobalOrdinal>& globalIDs,
307  const Teuchos::ArrayView<int>& nodeIDs,
308  const Teuchos::ArrayView<LocalOrdinal>& localIDs) const;
309 
316  bool isOneToOne (const map_type& map) const;
317 
319  private:
326  typedef ::Tpetra::Details::Directory<LocalOrdinal, GlobalOrdinal, Node> base_type;
327 
332  const base_type* impl_;
333 
336 
337  template <class LO, class GO, class N> friend class Directory;
338 
341  operator= (const Directory<LocalOrdinal, GlobalOrdinal, Node>& source);
342  }; // class Directory
343 
344 } // namespace Tpetra
345 
346 #endif // TPETRA_DIRECTORY_DECL_HPP
347 
Tpetra::Directory::initialize
void initialize(const map_type &map)
Initialize the Directory with its Map.
Tpetra::Details::TieBreak
Interface for breaking ties in ownership.
Definition: Tpetra_TieBreak.hpp:68
Tpetra::Directory::initialize
void initialize(const map_type &map, const Tpetra::Details::TieBreak< LocalOrdinal, GlobalOrdinal > &tieBreak)
Initialize the Directory, with its Map and a TieBreak object.
Tpetra::Directory::isOneToOne
bool isOneToOne(const map_type &map) const
Whether the Directory's input Map is (globally) one to one.
Tpetra::Map
A parallel distribution of indices over processes.
Definition: Tpetra_Map_decl.hpp:246
Tpetra::Directory::~Directory
~Directory()
Destructor.
Definition: Tpetra_Directory_def.hpp:58
Tpetra::Directory::getDirectoryEntries
LookupStatus getDirectoryEntries(const map_type &map, const Teuchos::ArrayView< const GlobalOrdinal > &globalIDs, const Teuchos::ArrayView< int > &nodeIDs) const
Given a global ID list, return the list of their owning process IDs.
Tpetra::Directory::map_type
Map< LocalOrdinal, GlobalOrdinal, Node > map_type
Type of the Map specialization to give to the constructor.
Definition: Tpetra_Directory_decl.hpp:129
Tpetra_TieBreak.hpp
Interface for breaking ties in ownership.
Tpetra::Directory::description
std::string description() const
A one-line human-readable description of this object.
Definition: Tpetra_Directory_def.hpp:270
Tpetra_Map_decl.hpp
Declaration of the Tpetra::Map class and related nonmember constructors.
Tpetra::LookupStatus
LookupStatus
Return status of Map remote index lookup (getRemoteIndexList()).
Definition: Tpetra_ConfigDefs.hpp:124
Tpetra::Map::isUniform
bool isUniform() const
Whether the range of global indices is uniform.
Definition: Tpetra_Map_def.hpp:1284
Tpetra::Directory::initialized
bool initialized() const
Whether the Directory is initialized.
Definition: Tpetra_Directory_def.hpp:67
Tpetra::Details::Directory
Computes the local ID and process ID corresponding to given global IDs.
Definition: Tpetra_DirectoryImpl_decl.hpp:87
Tpetra::Directory
Implement mapping from global ID to process ID and local ID.
Definition: Tpetra_Directory_decl.hpp:126
Tpetra::Directory::getDirectoryEntries
LookupStatus getDirectoryEntries(const map_type &map, const Teuchos::ArrayView< const GlobalOrdinal > &globalIDs, const Teuchos::ArrayView< int > &nodeIDs, const Teuchos::ArrayView< LocalOrdinal > &localIDs) const
Given a global ID list, return a list of their owning process IDs and their corresponding local IDs.
Tpetra::Map::isContiguous
bool isContiguous() const
True if this Map is distributed contiguously, else false.
Definition: Tpetra_Map_def.hpp:1289
Tpetra_DirectoryImpl_decl.hpp
Declaration of implementation details of Tpetra::Directory.
Tpetra
Namespace Tpetra contains the class and methods constituting the Tpetra library.
Tpetra::Map::isDistributed
bool isDistributed() const
Whether this Map is globally distributed or locally replicated.
Definition: Tpetra_Map_def.hpp:1670