Dune Core Modules (2.5.0)

owneroverlapcopy.hh
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1// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2// vi: set et ts=4 sw=2 sts=2:
3#ifndef DUNE_ISTL_OWNEROVERLAPCOPY_HH
4#define DUNE_ISTL_OWNEROVERLAPCOPY_HH
5
6#include <new>
7#include <iostream>
8#include <vector>
9#include <list>
10#include <map>
11#include <set>
12#include <tuple>
13
14#include "cmath"
15
16// MPI header
17#if HAVE_MPI
18#include <mpi.h>
19#endif
20
22
23#if HAVE_MPI
28#endif
29
30#include "solvercategory.hh"
31#include "istlexception.hh"
34
35template<int dim, template<class,class> class Comm>
36void testRedistributed(int s);
37
38
39namespace Dune {
40
57 {
58 enum AttributeSet {
59 owner=1, overlap=2, copy=3
60 };
61 };
62
74 template <class G, class L>
76 {
77 public:
79 typedef G GlobalIdType;
80
82 typedef L LocalIdType;
83
90 typedef std::tuple<GlobalIdType,LocalIdType,int> IndexTripel;
97 typedef std::tuple<int,GlobalIdType,int> RemoteIndexTripel;
98
105 {
106 if (std::get<2>(x)!=OwnerOverlapCopyAttributeSet::owner &&
107 std::get<2>(x)!=OwnerOverlapCopyAttributeSet::overlap &&
108 std::get<2>(x)!=OwnerOverlapCopyAttributeSet::copy)
109 DUNE_THROW(ISTLError,"OwnerOverlapCopyCommunication: global index not in index set");
110 localindices.insert(x);
111 }
112
119 {
120 if (std::get<2>(x)!=OwnerOverlapCopyAttributeSet::owner &&
121 std::get<2>(x)!=OwnerOverlapCopyAttributeSet::overlap &&
122 std::get<2>(x)!=OwnerOverlapCopyAttributeSet::copy)
123 DUNE_THROW(ISTLError,"OwnerOverlapCopyCommunication: global index not in index set");
124 remoteindices.insert(x);
125 }
126
131 const std::set<IndexTripel>& localIndices () const
132 {
133 return localindices;
134 }
135
140 const std::set<RemoteIndexTripel>& remoteIndices () const
141 {
142 return remoteindices;
143 }
144
148 void clear ()
149 {
150 localindices.clear();
151 remoteindices.clear();
152 }
153
154 private:
156 std::set<IndexTripel> localindices;
158 std::set<RemoteIndexTripel> remoteindices;
159 };
160
161
162#if HAVE_MPI
163
170 template <class GlobalIdType, class LocalIdType=int>
172 {
173 template<typename M, typename G, typename L>
174 friend void loadMatrixMarket(M&,
175 const std::string&,
177 bool);
178 // used types
181 typedef typename std::set<IndexTripel>::const_iterator localindex_iterator;
182 typedef typename std::set<RemoteIndexTripel>::const_iterator remoteindex_iterator;
183 typedef typename OwnerOverlapCopyAttributeSet::AttributeSet AttributeSet;
185 public:
189 typedef typename RI::RemoteIndex RX;
191 typedef Dune::Interface IF;
196 protected:
197
198
200 template<typename T>
202 {
203 typedef typename CommPolicy<T>::IndexedType V;
204
205 static V gather(const T& a, std::size_t i)
206 {
207 return a[i];
208 }
209
210 static void scatter(T& a, V v, std::size_t i)
211 {
212 a[i] = v;
213 }
214 };
215 template<typename T>
216 struct AddGatherScatter
217 {
218 typedef typename CommPolicy<T>::IndexedType V;
219
220 static V gather(const T& a, std::size_t i)
221 {
222 return a[i];
223 }
224
225 static void scatter(T& a, V v, std::size_t i)
226 {
227 a[i] += v;
228 }
229 };
230
231 void buildOwnerOverlapToAllInterface () const
232 {
233 if (OwnerOverlapToAllInterfaceBuilt)
234 OwnerOverlapToAllInterface.free();
235 typedef Combine<EnumItem<AttributeSet,OwnerOverlapCopyAttributeSet::owner>,EnumItem<AttributeSet,OwnerOverlapCopyAttributeSet::overlap>,AttributeSet> OwnerOverlapSet;
236 typedef Combine<OwnerOverlapSet,EnumItem<AttributeSet,OwnerOverlapCopyAttributeSet::copy>,AttributeSet> AllSet;
237 OwnerOverlapSet sourceFlags;
238 AllSet destFlags;
239 OwnerOverlapToAllInterface.build(ri,sourceFlags,destFlags);
240 OwnerOverlapToAllInterfaceBuilt = true;
241 }
242
243 void buildOwnerToAllInterface () const
244 {
245 if (OwnerToAllInterfaceBuilt)
246 OwnerToAllInterface.free();
247 OwnerSet sourceFlags;
248 AllSet destFlags;
249 OwnerToAllInterface.build(ri,sourceFlags,destFlags);
250 OwnerToAllInterfaceBuilt = true;
251 }
252
253 void buildOwnerCopyToAllInterface () const
254 {
255 if (OwnerCopyToAllInterfaceBuilt)
256 OwnerCopyToAllInterface.free();
257 typedef Combine<EnumItem<AttributeSet,OwnerOverlapCopyAttributeSet::owner>,EnumItem<AttributeSet,OwnerOverlapCopyAttributeSet::copy>,AttributeSet> OwnerCopySet;
258 typedef Combine<OwnerCopySet,EnumItem<AttributeSet,OwnerOverlapCopyAttributeSet::overlap>,AttributeSet> AllSet;
259 OwnerCopySet sourceFlags;
260 AllSet destFlags;
261 OwnerCopyToAllInterface.build(ri,sourceFlags,destFlags);
262 OwnerCopyToAllInterfaceBuilt = true;
263 }
264
265 void buildOwnerCopyToOwnerCopyInterface () const
266 {
267 if (OwnerCopyToOwnerCopyInterfaceBuilt)
268 OwnerCopyToOwnerCopyInterface.free();
269 typedef Combine<EnumItem<AttributeSet,OwnerOverlapCopyAttributeSet::owner>,EnumItem<AttributeSet,OwnerOverlapCopyAttributeSet::copy>,AttributeSet> OwnerCopySet;
270 OwnerCopySet sourceFlags;
271 OwnerCopySet destFlags;
272 OwnerCopyToOwnerCopyInterface.build(ri,sourceFlags,destFlags);
273 OwnerCopyToOwnerCopyInterfaceBuilt = true;
274 }
275
276 void buildCopyToAllInterface () const
277 {
278 if (CopyToAllInterfaceBuilt)
279 CopyToAllInterface.free();
280 CopySet sourceFlags;
281 AllSet destFlags;
282 CopyToAllInterface.build(ri,sourceFlags,destFlags);
283 CopyToAllInterfaceBuilt = true;
284 }
285
286 public:
287
292 category = set;
293 }
294
300 return category;
301 }
302
303 const CollectiveCommunication<MPI_Comm>& communicator() const
304 {
305 return cc;
306 }
307
314 template<class T>
315 void copyOwnerToAll (const T& source, T& dest) const
316 {
317 if (!OwnerToAllInterfaceBuilt)
318 buildOwnerToAllInterface ();
319 BC communicator;
320 communicator.template build<T>(OwnerToAllInterface);
321 communicator.template forward<CopyGatherScatter<T> >(source,dest);
322 communicator.free();
323 }
324
331 template<class T>
332 void copyCopyToAll (const T& source, T& dest) const
333 {
334 if (!CopyToAllInterfaceBuilt)
335 buildCopyToAllInterface ();
336 BC communicator;
337 communicator.template build<T>(CopyToAllInterface);
338 communicator.template forward<CopyGatherScatter<T> >(source,dest);
339 communicator.free();
340 }
341
348 template<class T>
349 void addOwnerOverlapToAll (const T& source, T& dest) const
350 {
351 if (!OwnerOverlapToAllInterfaceBuilt)
352 buildOwnerOverlapToAllInterface ();
353 BC communicator;
354 communicator.template build<T>(OwnerOverlapToAllInterface);
355 communicator.template forward<AddGatherScatter<T> >(source,dest);
356 communicator.free();
357 }
358
365 template<class T>
366 void addOwnerCopyToAll (const T& source, T& dest) const
367 {
368 if (!OwnerCopyToAllInterfaceBuilt)
369 buildOwnerCopyToAllInterface ();
370 BC communicator;
371 communicator.template build<T>(OwnerCopyToAllInterface);
372 communicator.template forward<AddGatherScatter<T> >(source,dest);
373 communicator.free();
374 }
375
382 template<class T>
383 void addOwnerCopyToOwnerCopy (const T& source, T& dest) const
384 {
385 if (!OwnerCopyToOwnerCopyInterfaceBuilt)
386 buildOwnerCopyToOwnerCopyInterface ();
387 BC communicator;
388 communicator.template build<T>(OwnerCopyToOwnerCopyInterface);
389 communicator.template forward<AddGatherScatter<T> >(source,dest);
390 communicator.free();
391 }
392
393
401 template<class T1, class T2>
402 void dot (const T1& x, const T1& y, T2& result) const
403 {
404 // set up mask vector
405 if (mask.size()!=static_cast<typename std::vector<double>::size_type>(x.size()))
406 {
407 mask.resize(x.size());
408 for (typename std::vector<double>::size_type i=0; i<mask.size(); i++)
409 mask[i] = 1;
410 for (typename PIS::const_iterator i=pis.begin(); i!=pis.end(); ++i)
411 if (i->local().attribute()!=OwnerOverlapCopyAttributeSet::owner)
412 mask[i->local().local()] = 0;
413 }
414 result = T2(0.0);
415
416 for (typename T1::size_type i=0; i<x.size(); i++)
417 result += x[i]*(y[i])*mask[i];
418 result = cc.sum(result);
419 return;
420 }
421
428 template<class T1>
429 typename FieldTraits<typename T1::field_type>::real_type norm (const T1& x) const
430 {
431 // set up mask vector
432 if (mask.size()!=static_cast<typename std::vector<double>::size_type>(x.size()))
433 {
434 mask.resize(x.size());
435 for (typename std::vector<double>::size_type i=0; i<mask.size(); i++)
436 mask[i] = 1;
437 for (typename PIS::const_iterator i=pis.begin(); i!=pis.end(); ++i)
438 if (i->local().attribute()!=OwnerOverlapCopyAttributeSet::owner)
439 mask[i->local().local()] = 0;
440 }
441 typename T1::field_type result = typename T1::field_type(0.0);
442 for (typename T1::size_type i=0; i<x.size(); i++)
443 result += x[i].two_norm2()*mask[i];
444 return static_cast<double>(sqrt(cc.sum(result)));
445 }
446
448
451
454
458
464 {
465 return pis;
466 }
467
473 {
474 return ri;
475 }
476
482 {
483 return pis;
484 }
485
486
492 {
493 return ri;
494 }
495
496 void buildGlobalLookup()
497 {
498 if(globalLookup_) {
499 if(pis.seqNo()==oldseqNo)
500 // Nothing changed!
501 return;
502 delete globalLookup_;
503 }
504
505 globalLookup_ = new GlobalLookupIndexSet(pis);
506 oldseqNo = pis.seqNo();
507 }
508
509 void buildGlobalLookup(std::size_t size)
510 {
511 if(globalLookup_) {
512 if(pis.seqNo()==oldseqNo)
513 // Nothing changed!
514 return;
515 delete globalLookup_;
516 }
517 globalLookup_ = new GlobalLookupIndexSet(pis, size);
518 oldseqNo = pis.seqNo();
519 }
520
521 void freeGlobalLookup()
522 {
523 delete globalLookup_;
524 globalLookup_=0;
525 }
526
527 const GlobalLookupIndexSet& globalLookup() const
528 {
529 assert(globalLookup_ != 0);
530 return *globalLookup_;
531 }
532
538 template<class T1>
539 void project (T1& x) const
540 {
541 for (typename PIS::const_iterator i=pis.begin(); i!=pis.end(); ++i)
542 if (i->local().attribute()==OwnerOverlapCopyAttributeSet::copy)
543 x[i->local().local()] = 0;
544 }
545
557 bool freecomm_ = false)
558 : comm(comm_), cc(comm_), pis(), ri(pis,pis,comm_),
559 OwnerToAllInterfaceBuilt(false), OwnerOverlapToAllInterfaceBuilt(false),
560 OwnerCopyToAllInterfaceBuilt(false), OwnerCopyToOwnerCopyInterfaceBuilt(false),
561 CopyToAllInterfaceBuilt(false), globalLookup_(0), category(cat_),
562 freecomm(freecomm_)
563 {}
564
574 : comm(MPI_COMM_WORLD), cc(MPI_COMM_WORLD), pis(), ri(pis,pis,MPI_COMM_WORLD),
575 OwnerToAllInterfaceBuilt(false), OwnerOverlapToAllInterfaceBuilt(false),
576 OwnerCopyToAllInterfaceBuilt(false), OwnerCopyToOwnerCopyInterfaceBuilt(false),
577 CopyToAllInterfaceBuilt(false), globalLookup_(0), category(cat_), freecomm(false)
578 {}
579
588 MPI_Comm comm_,
590 bool freecomm_ = false)
591 : comm(comm_), cc(comm_), OwnerToAllInterfaceBuilt(false),
592 OwnerOverlapToAllInterfaceBuilt(false), OwnerCopyToAllInterfaceBuilt(false),
593 OwnerCopyToOwnerCopyInterfaceBuilt(false), CopyToAllInterfaceBuilt(false),
594 globalLookup_(0), category(cat_), freecomm(freecomm_)
595 {
596 // set up an ISTL index set
597 pis.beginResize();
598 for (localindex_iterator i=indexinfo.localIndices().begin(); i!=indexinfo.localIndices().end(); ++i)
599 {
600 if (std::get<2>(*i)==OwnerOverlapCopyAttributeSet::owner)
601 pis.add(std::get<0>(*i),LI(std::get<1>(*i),OwnerOverlapCopyAttributeSet::owner,true));
602 if (std::get<2>(*i)==OwnerOverlapCopyAttributeSet::overlap)
603 pis.add(std::get<0>(*i),LI(std::get<1>(*i),OwnerOverlapCopyAttributeSet::overlap,true));
604 if (std::get<2>(*i)==OwnerOverlapCopyAttributeSet::copy)
605 pis.add(std::get<0>(*i),LI(std::get<1>(*i),OwnerOverlapCopyAttributeSet::copy,true));
606 // std::cout << cc.rank() << ": adding index " << std::get<0>(*i) << " " << std::get<1>(*i) << " " << std::get<2>(*i) << std::endl;
607 }
608 pis.endResize();
609
610 // build remote indices WITHOUT communication
611 // std::cout << cc.rank() << ": build remote indices" << std::endl;
612 ri.setIndexSets(pis,pis,cc);
613 if (indexinfo.remoteIndices().size()>0)
614 {
615 remoteindex_iterator i=indexinfo.remoteIndices().begin();
616 int p = std::get<0>(*i);
617 RILM modifier = ri.template getModifier<false,true>(p);
618 typename PIS::const_iterator pi=pis.begin();
619 for ( ; i!=indexinfo.remoteIndices().end(); ++i)
620 {
621 // handle processor change
622 if (p!=std::get<0>(*i))
623 {
624 p = std::get<0>(*i);
625 modifier = ri.template getModifier<false,true>(p);
626 pi=pis.begin();
627 }
628
629 // position to correct entry in parallel index set
630 while (pi->global()!=std::get<1>(*i) && pi!=pis.end())
631 ++pi;
632 if (pi==pis.end())
633 DUNE_THROW(ISTLError,"OwnerOverlapCopyCommunication: global index not in index set");
634
635 // insert entry
636 // std::cout << cc.rank() << ": adding remote index " << std::get<0>(*i) << " " << std::get<1>(*i) << " " << std::get<2>(*i) << std::endl;
637 if (std::get<2>(*i)==OwnerOverlapCopyAttributeSet::owner)
638 modifier.insert(RX(OwnerOverlapCopyAttributeSet::owner,&(*pi)));
639 if (std::get<2>(*i)==OwnerOverlapCopyAttributeSet::overlap)
640 modifier.insert(RX(OwnerOverlapCopyAttributeSet::overlap,&(*pi)));
641 if (std::get<2>(*i)==OwnerOverlapCopyAttributeSet::copy)
642 modifier.insert(RX(OwnerOverlapCopyAttributeSet::copy,&(*pi)));
643 }
644 }else{
645 // Force remote indices to be synced!
646 ri.template getModifier<false,true>(0);
647 }
648 }
649
650 // destructor: free memory in some objects
652 {
653 ri.free();
654 if (OwnerToAllInterfaceBuilt) OwnerToAllInterface.free();
655 if (OwnerOverlapToAllInterfaceBuilt) OwnerOverlapToAllInterface.free();
656 if (OwnerCopyToAllInterfaceBuilt) OwnerCopyToAllInterface.free();
657 if (OwnerCopyToOwnerCopyInterfaceBuilt) OwnerCopyToOwnerCopyInterface.free();
658 if (CopyToAllInterfaceBuilt) CopyToAllInterface.free();
659 if (globalLookup_) delete globalLookup_;
660 if (freecomm==true)
661 if(comm!=MPI_COMM_NULL)
662 {
663#ifdef MPI_2
664 // If it is possible to query whether MPI_Finalize
665 // was called, only free the communicator before
666 // calling MPI_Finalize.
667 int wasFinalized = 0;
668 MPI_Finalized( &wasFinalized );
669 if(!wasFinalized)
670#endif
671 MPI_Comm_free(&comm);
672 }
673 }
674
675 private:
677 {}
678 MPI_Comm comm;
679 CollectiveCommunication<MPI_Comm> cc;
680 PIS pis;
681 RI ri;
682 mutable IF OwnerToAllInterface;
683 mutable bool OwnerToAllInterfaceBuilt;
684 mutable IF OwnerOverlapToAllInterface;
685 mutable bool OwnerOverlapToAllInterfaceBuilt;
686 mutable IF OwnerCopyToAllInterface;
687 mutable bool OwnerCopyToAllInterfaceBuilt;
688 mutable IF OwnerCopyToOwnerCopyInterface;
689 mutable bool OwnerCopyToOwnerCopyInterfaceBuilt;
690 mutable IF CopyToAllInterface;
691 mutable bool CopyToAllInterfaceBuilt;
692 mutable std::vector<double> mask;
693 int oldseqNo;
694 GlobalLookupIndexSet* globalLookup_;
696 bool freecomm;
697 };
698
699#endif
700
701
704} // end namespace
705
706#endif
A set containing everything.
Definition: enumset.hh:43
A communicator that uses buffers to gather and scatter the data to be send or received.
Definition: communicator.hh:452
void free()
Free the allocated memory (i.e. buffers and message information.
Specialization of CollectiveCommunication for MPI.
Definition: mpicollectivecommunication.hh:146
T sum(T &in) const
Compute the sum of the argument over all processes and return the result in every process....
Definition: mpicollectivecommunication.hh:179
A set combining two other sets.
Definition: enumset.hh:110
A constant random access iterator for the Dune::ArrayList class.
Definition: arraylist.hh:379
A set consisting only of one item.
Definition: enumset.hh:60
derive error class from the base class in common
Definition: istlexception.hh:16
Information about the index distribution.
Definition: owneroverlapcopy.hh:76
std::tuple< GlobalIdType, LocalIdType, int > IndexTripel
A triple describing a local index.
Definition: owneroverlapcopy.hh:90
void addRemoteIndex(const RemoteIndexTripel &x)
Add a new remote index triple to the set of remote indices.
Definition: owneroverlapcopy.hh:118
G GlobalIdType
The type of the global index.
Definition: owneroverlapcopy.hh:79
const std::set< IndexTripel > & localIndices() const
Get the set of indices local to the process.
Definition: owneroverlapcopy.hh:131
const std::set< RemoteIndexTripel > & remoteIndices() const
Get the set of remote indices.
Definition: owneroverlapcopy.hh:140
L LocalIdType
The type of the local index.
Definition: owneroverlapcopy.hh:82
void clear()
Remove all indices from the sets.
Definition: owneroverlapcopy.hh:148
void addLocalIndex(const IndexTripel &x)
Add a new index triple to the set of local indices.
Definition: owneroverlapcopy.hh:104
std::tuple< int, GlobalIdType, int > RemoteIndexTripel
A triple describing a remote index.
Definition: owneroverlapcopy.hh:97
Communication interface between remote and local indices.
Definition: interface.hh:207
A class setting up standard communication for a two-valued attribute set with owner/overlap/copy sema...
Definition: owneroverlapcopy.hh:172
FieldTraits< typenameT1::field_type >::real_type norm(const T1 &x) const
Compute the global euclidian norm of a vector.
Definition: owneroverlapcopy.hh:429
OwnerOverlapCopyCommunication(const IndexInfoFromGrid< GlobalIdType, LocalIdType > &indexinfo, MPI_Comm comm_, SolverCategory::Category cat_=SolverCategory::overlapping, bool freecomm_=false)
Constructor.
Definition: owneroverlapcopy.hh:587
void addOwnerCopyToOwnerCopy(const T &source, T &dest) const
Communicate values from owner and copy data points to owner and copy data points and add them to thos...
Definition: owneroverlapcopy.hh:383
RemoteIndices & remoteIndices()
Get the underlying remote indices.
Definition: owneroverlapcopy.hh:491
const ParallelIndexSet & indexSet() const
Get the underlying parallel index set.
Definition: owneroverlapcopy.hh:463
void addOwnerOverlapToAll(const T &source, T &dest) const
Communicate values from owner data points to all other data points and add them to those values.
Definition: owneroverlapcopy.hh:349
Dune::RemoteIndices< PIS > RemoteIndices
The type of the remote indices.
Definition: owneroverlapcopy.hh:453
void project(T1 &x) const
Set vector to zero at copy dofs.
Definition: owneroverlapcopy.hh:539
void copyCopyToAll(const T &source, T &dest) const
Communicate values from copy data points to all other data points.
Definition: owneroverlapcopy.hh:332
Dune::GlobalLookupIndexSet< ParallelIndexSet > GlobalLookupIndexSet
The type of the reverse lookup of indices.
Definition: owneroverlapcopy.hh:457
OwnerOverlapCopyCommunication(MPI_Comm comm_, SolverCategory::Category cat_=SolverCategory::overlapping, bool freecomm_=false)
Construct the communication without any indices.
Definition: owneroverlapcopy.hh:555
ParallelIndexSet & indexSet()
Get the underlying parallel index set.
Definition: owneroverlapcopy.hh:481
void dot(const T1 &x, const T1 &y, T2 &result) const
Compute a global dot product of two vectors.
Definition: owneroverlapcopy.hh:402
OwnerOverlapCopyCommunication(SolverCategory::Category cat_=SolverCategory::overlapping)
Construct the communication without any indices using MPI_COMM_WORLD.
Definition: owneroverlapcopy.hh:573
void setSolverCategory(SolverCategory set)
Set right Solver Category (default is overlapping).
Definition: owneroverlapcopy.hh:291
void copyOwnerToAll(const T &source, T &dest) const
Communicate values from owner data points to all other data points.
Definition: owneroverlapcopy.hh:315
const RemoteIndices & remoteIndices() const
Get the underlying remote indices.
Definition: owneroverlapcopy.hh:472
friend void loadMatrixMarket(M &, const std::string &, OwnerOverlapCopyCommunication< G, L > &, bool)
Load a parallel matrix/vector stored in matrix market format.
Definition: matrixmarket.hh:1031
void addOwnerCopyToAll(const T &source, T &dest) const
Communicate values from owner and copy data points to all other data points and add them to those val...
Definition: owneroverlapcopy.hh:366
SolverCategory::Category getSolverCategory() const
Get Solver Category.
Definition: owneroverlapcopy.hh:299
Dune::ParallelIndexSet< GlobalIdType, LI, 512 > ParallelIndexSet
The type of the parallel index set.
Definition: owneroverlapcopy.hh:450
An index present on the local process with an additional attribute flag.
Definition: plocalindex.hh:47
Modifier for adding and/or deleting remote indices from the remote index list.
Definition: remoteindices.hh:544
void insert(const RemoteIndex &index)
Insert an index to the list.
Definition: remoteindices.hh:1612
Information about an index residing on another processor.
Definition: remoteindices.hh:66
void setIndexSets(const ParallelIndexSet &source, const ParallelIndexSet &destination, const MPI_Comm &comm, const std::vector< int > &neighbours=std::vector< int >())
Set the index sets and communicator we work with.
Definition: remoteindices.hh:979
void free()
Free the index lists.
Definition: remoteindices.hh:1429
Implements an utility class that provides collective communication methods for sequential programs.
Provides utility classes for syncing distributed data via MPI communication.
Classes for building sets out of enumeration values.
void beginResize()
Indicate that the index set is to be resized.
void build(const R &remoteIndices, const T1 &sourceFlags, const T2 &destFlags)
Builds the interface.
Definition: interface.hh:459
void add(const GlobalIndex &global)
Add an new index to the set.
iterator begin()
Get an iterator over the indices positioned at the first index.
iterator end()
Get an iterator over the indices positioned after the last index.
void endResize()
Indicate that the resizing finishes.
int seqNo() const
Get the internal sequence number.
void free()
Frees memory allocated during the build.
Definition: interface.hh:490
#define DUNE_THROW(E, m)
Definition: exceptions.hh:216
Provides a map between global and local indices.
Provides classes for reading and writing MatrixMarket Files with an extension for parallel matrices.
Implements an utility class that provides MPI's collective communication methods.
Dune namespace.
Definition: alignment.hh:11
Classes describing a distributed indexset.
V::value_type IndexedType
The type we get at each index with operator[].
Definition: communicator.hh:139
Attribute set for overlapping schwarz.
Definition: owneroverlapcopy.hh:57
gather/scatter callback for communcation
Definition: owneroverlapcopy.hh:202
Categories for the solvers.
Definition: solvercategory.hh:18
Category
Definition: solvercategory.hh:19
@ overlapping
Category for overlapping solvers.
Definition: solvercategory.hh:25
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