Dune Core Modules (2.5.2)

yaspgrid.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_GRID_YASPGRID_HH
4#define DUNE_GRID_YASPGRID_HH
5
6#include <iostream>
7#include <vector>
8#include <algorithm>
9#include <stack>
10
11// either include stdint.h or provide fallback for uint8_t
12#if HAVE_STDINT_H
13#include <stdint.h>
14#else
15typedef unsigned char uint8_t;
16#endif
17
18#include <dune/grid/common/backuprestore.hh>
19#include <dune/grid/common/grid.hh> // the grid base classes
20#include <dune/grid/common/capabilities.hh> // the capabilities
21#include <dune/common/power.hh>
29#include <dune/geometry/type.hh>
32
33
34#if HAVE_MPI
36#endif
37
45namespace Dune {
46
47 /* some sizes for building global ids
48 */
49 const int yaspgrid_dim_bits = 24; // bits for encoding each dimension
50 const int yaspgrid_level_bits = 5; // bits for encoding level number
51
52
53 //************************************************************************
54 // forward declaration of templates
55
56 template<int dim, class Coordinates> class YaspGrid;
57 template<int mydim, int cdim, class GridImp> class YaspGeometry;
58 template<int codim, int dim, class GridImp> class YaspEntity;
59 template<int codim, class GridImp> class YaspEntityPointer;
60 template<int codim, class GridImp> class YaspEntitySeed;
61 template<int codim, PartitionIteratorType pitype, class GridImp> class YaspLevelIterator;
62 template<class GridImp> class YaspIntersectionIterator;
63 template<class GridImp> class YaspIntersection;
64 template<class GridImp> class YaspHierarchicIterator;
65 template<class GridImp, bool isLeafIndexSet> class YaspIndexSet;
66 template<class GridImp> class YaspGlobalIdSet;
67 template<class GridImp> class YaspPersistentContainerIndex;
68
69} // namespace Dune
70
83#include <dune/grid/yaspgrid/yaspgrididset.hh>
85
86namespace Dune {
87
88 template<int dim, class Coordinates>
89 struct YaspGridFamily
90 {
91#if HAVE_MPI
92 typedef CollectiveCommunication<MPI_Comm> CCType;
93#else
94 typedef CollectiveCommunication<No_Comm> CCType;
95#endif
96
97 typedef GridTraits<dim, // dimension of the grid
98 dim, // dimension of the world space
100 YaspGeometry,YaspEntity,
101 YaspLevelIterator, // type used for the level iterator
102 YaspIntersection, // leaf intersection
103 YaspIntersection, // level intersection
104 YaspIntersectionIterator, // leaf intersection iter
105 YaspIntersectionIterator, // level intersection iter
106 YaspHierarchicIterator,
107 YaspLevelIterator, // type used for the leaf(!) iterator
108 YaspIndexSet< const YaspGrid< dim, Coordinates >, false >, // level index set
109 YaspIndexSet< const YaspGrid< dim, Coordinates >, true >, // leaf index set
110 YaspGlobalIdSet<const YaspGrid<dim, Coordinates> >,
111 bigunsignedint<dim*yaspgrid_dim_bits+yaspgrid_level_bits+dim>,
112 YaspGlobalIdSet<const YaspGrid<dim, Coordinates> >,
113 bigunsignedint<dim*yaspgrid_dim_bits+yaspgrid_level_bits+dim>,
114 CCType,
115 DefaultLevelGridViewTraits, DefaultLeafGridViewTraits,
116 YaspEntitySeed>
117 Traits;
118 };
119
120#ifndef DOXYGEN
121 template<int dim, int codim>
122 struct YaspCommunicateMeta {
123 template<class G, class DataHandle>
124 static void comm (const G& g, DataHandle& data, InterfaceType iftype, CommunicationDirection dir, int level)
125 {
126 if (data.contains(dim,codim))
127 {
128 g.template communicateCodim<DataHandle,codim>(data,iftype,dir,level);
129 }
130 YaspCommunicateMeta<dim,codim-1>::comm(g,data,iftype,dir,level);
131 }
132 };
133
134 template<int dim>
135 struct YaspCommunicateMeta<dim,0> {
136 template<class G, class DataHandle>
137 static void comm (const G& g, DataHandle& data, InterfaceType iftype, CommunicationDirection dir, int level)
138 {
139 if (data.contains(dim,0))
140 g.template communicateCodim<DataHandle,0>(data,iftype,dir,level);
141 }
142 };
143#endif
144
145 //************************************************************************
162 template<int dim, class Coordinates = EquidistantCoordinates<double, dim> >
164 : public GridDefaultImplementation<dim,dim,typename Coordinates::ctype,YaspGridFamily<dim, Coordinates> >
165 {
166
167 template<int, PartitionIteratorType, typename>
168 friend class YaspLevelIterator;
169
170 template<typename>
171 friend class YaspHierarchicIterator;
172
173 protected:
174
175 using GridDefaultImplementation<dim,dim,typename Coordinates::ctype,YaspGridFamily<dim, Coordinates> >::getRealImplementation;
176
177 public:
179 typedef typename Coordinates::ctype ctype;
180#if HAVE_MPI
182#else
184#endif
185
186#ifndef DOXYGEN
187 typedef typename Dune::YGrid<Coordinates> YGrid;
189
192 struct YGridLevel {
193
195 int level() const
196 {
197 return level_;
198 }
199
200 Coordinates coords;
201
202 std::array<YGrid, dim+1> overlapfront;
203 std::array<YGridComponent<Coordinates>, StaticPower<2,dim>::power> overlapfront_data;
204 std::array<YGrid, dim+1> overlap;
205 std::array<YGridComponent<Coordinates>, StaticPower<2,dim>::power> overlap_data;
206 std::array<YGrid, dim+1> interiorborder;
207 std::array<YGridComponent<Coordinates>, StaticPower<2,dim>::power> interiorborder_data;
208 std::array<YGrid, dim+1> interior;
209 std::array<YGridComponent<Coordinates>, StaticPower<2,dim>::power> interior_data;
210
211 std::array<YGridList<Coordinates>,dim+1> send_overlapfront_overlapfront;
212 std::array<std::deque<Intersection>, StaticPower<2,dim>::power> send_overlapfront_overlapfront_data;
213 std::array<YGridList<Coordinates>,dim+1> recv_overlapfront_overlapfront;
214 std::array<std::deque<Intersection>, StaticPower<2,dim>::power> recv_overlapfront_overlapfront_data;
215
216 std::array<YGridList<Coordinates>,dim+1> send_overlap_overlapfront;
217 std::array<std::deque<Intersection>, StaticPower<2,dim>::power> send_overlap_overlapfront_data;
218 std::array<YGridList<Coordinates>,dim+1> recv_overlapfront_overlap;
219 std::array<std::deque<Intersection>, StaticPower<2,dim>::power> recv_overlapfront_overlap_data;
220
221 std::array<YGridList<Coordinates>,dim+1> send_interiorborder_interiorborder;
222 std::array<std::deque<Intersection>, StaticPower<2,dim>::power> send_interiorborder_interiorborder_data;
223 std::array<YGridList<Coordinates>,dim+1> recv_interiorborder_interiorborder;
224 std::array<std::deque<Intersection>, StaticPower<2,dim>::power> recv_interiorborder_interiorborder_data;
225
226 std::array<YGridList<Coordinates>,dim+1> send_interiorborder_overlapfront;
227 std::array<std::deque<Intersection>, StaticPower<2,dim>::power> send_interiorborder_overlapfront_data;
228 std::array<YGridList<Coordinates>,dim+1> recv_overlapfront_interiorborder;
229 std::array<std::deque<Intersection>, StaticPower<2,dim>::power> recv_overlapfront_interiorborder_data;
230
231 // general
232 YaspGrid<dim,Coordinates>* mg; // each grid level knows its multigrid
233 int overlapSize; // in mesh cells on this level
234 bool keepOverlap;
235
237 int level_;
238 };
239
241 typedef std::array<int, dim> iTupel;
242 typedef FieldVector<ctype, dim> fTupel;
243
244 // communication tag used by multigrid
245 enum { tag = 17 };
246#endif
247
250 {
251 return _torus;
252 }
253
255 int globalSize(int i) const
256 {
257 return levelSize(maxLevel(),i);
258 }
259
261 iTupel globalSize() const
262 {
263 return levelSize(maxLevel());
264 }
265
267 int levelSize(int l, int i) const
268 {
269 return _coarseSize[i] * (1 << l);
270 }
271
273 iTupel levelSize(int l) const
274 {
275 iTupel s;
276 for (int i=0; i<dim; ++i)
277 s[i] = levelSize(l,i);
278 return s;
279 }
280
282 bool isPeriodic(int i) const
283 {
284 return _periodic[i];
285 }
286
287 bool getRefineOption() const
288 {
289 return keep_ovlp;
290 }
291
294
297 {
298 return YGridLevelIterator(_levels,0);
299 }
300
303 {
304 if (i<0 || i>maxLevel())
305 DUNE_THROW(GridError, "level not existing");
306 return YGridLevelIterator(_levels,i);
307 }
308
311 {
312 return YGridLevelIterator(_levels,maxLevel()+1);
313 }
314
315 // static method to create the default load balance strategy
316 static const YLoadBalanceDefault<dim>* defaultLoadbalancer()
317 {
318 static YLoadBalanceDefault<dim> lb;
319 return & lb;
320 }
321
322 protected:
330 void makelevel (const Coordinates& coords, std::bitset<dim> periodic, iTupel o_interior, int overlap)
331 {
332 YGridLevel& g = _levels.back();
333 g.overlapSize = overlap;
334 g.mg = this;
335 g.level_ = maxLevel();
336 g.coords = coords;
337 g.keepOverlap = keep_ovlp;
338
339 // set the inserting positions in the corresponding arrays of YGridLevelStructure
340 typename std::array<YGridComponent<Coordinates>, StaticPower<2,dim>::power>::iterator overlapfront_it = g.overlapfront_data.begin();
341 typename std::array<YGridComponent<Coordinates>, StaticPower<2,dim>::power>::iterator overlap_it = g.overlap_data.begin();
342 typename std::array<YGridComponent<Coordinates>, StaticPower<2,dim>::power>::iterator interiorborder_it = g.interiorborder_data.begin();
343 typename std::array<YGridComponent<Coordinates>, StaticPower<2,dim>::power>::iterator interior_it = g.interior_data.begin();
344
345 typename std::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator
346 send_overlapfront_overlapfront_it = g.send_overlapfront_overlapfront_data.begin();
347 typename std::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator
348 recv_overlapfront_overlapfront_it = g.recv_overlapfront_overlapfront_data.begin();
349
350 typename std::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator
351 send_overlap_overlapfront_it = g.send_overlap_overlapfront_data.begin();
352 typename std::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator
353 recv_overlapfront_overlap_it = g.recv_overlapfront_overlap_data.begin();
354
355 typename std::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator
356 send_interiorborder_interiorborder_it = g.send_interiorborder_interiorborder_data.begin();
357 typename std::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator
358 recv_interiorborder_interiorborder_it = g.recv_interiorborder_interiorborder_data.begin();
359
360 typename std::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator
361 send_interiorborder_overlapfront_it = g.send_interiorborder_overlapfront_data.begin();
362 typename std::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator
363 recv_overlapfront_interiorborder_it = g.recv_overlapfront_interiorborder_data.begin();
364
365 // have a null array for constructor calls around
366 std::array<int,dim> n;
367 std::fill(n.begin(), n.end(), 0);
368
369 // determine origin of the grid with overlap and store whether an overlap area exists in direction i.
370 std::bitset<dim> ovlp_low(0ULL);
371 std::bitset<dim> ovlp_up(0ULL);
372
373 iTupel o_overlap;
374 iTupel s_overlap;
375
376 // determine at where we have overlap and how big the size of the overlap partition is
377 for (int i=0; i<dim; i++)
378 {
379 // the coordinate container has been contructed to hold the entire grid on
380 // this processor, including overlap. this is the element size.
381 s_overlap[i] = g.coords.size(i);
382
383 //in the periodic case there is always overlap
384 if (periodic[i])
385 {
386 o_overlap[i] = o_interior[i]-overlap;
387 ovlp_low[i] = true;
388 ovlp_up[i] = true;
389 }
390 else
391 {
392 //check lower boundary
393 if (o_interior[i] - overlap < 0)
394 o_overlap[i] = 0;
395 else
396 {
397 o_overlap[i] = o_interior[i] - overlap;
398 ovlp_low[i] = true;
399 }
400
401 //check upper boundary
402 if (o_overlap[i] + g.coords.size(i) < globalSize(i))
403 ovlp_up[i] = true;
404 }
405 }
406
407 for (unsigned int codim = 0; codim < dim + 1; codim++)
408 {
409 // set the begin iterator for the corresponding ygrids
410 g.overlapfront[codim].setBegin(overlapfront_it);
411 g.overlap[codim].setBegin(overlap_it);
412 g.interiorborder[codim].setBegin(interiorborder_it);
413 g.interior[codim].setBegin(interior_it);
414 g.send_overlapfront_overlapfront[codim].setBegin(send_overlapfront_overlapfront_it);
415 g.recv_overlapfront_overlapfront[codim].setBegin(recv_overlapfront_overlapfront_it);
416 g.send_overlap_overlapfront[codim].setBegin(send_overlap_overlapfront_it);
417 g.recv_overlapfront_overlap[codim].setBegin(recv_overlapfront_overlap_it);
418 g.send_interiorborder_interiorborder[codim].setBegin(send_interiorborder_interiorborder_it);
419 g.recv_interiorborder_interiorborder[codim].setBegin(recv_interiorborder_interiorborder_it);
420 g.send_interiorborder_overlapfront[codim].setBegin(send_interiorborder_overlapfront_it);
421 g.recv_overlapfront_interiorborder[codim].setBegin(recv_overlapfront_interiorborder_it);
422
423 // find all combinations of unit vectors that span entities of the given codimension
424 for (unsigned int index = 0; index < (1<<dim); index++)
425 {
426 // check whether the given shift is of our codimension
427 std::bitset<dim> r(index);
428 if (r.count() != dim-codim)
429 continue;
430
431 // get an origin and a size array for subsequent modification
432 std::array<int,dim> origin(o_overlap);
433 std::array<int,dim> size(s_overlap);
434
435 // build overlapfront
436 // we have to extend the element size by one in all directions without shift.
437 for (int i=0; i<dim; i++)
438 if (!r[i])
439 size[i]++;
440 *overlapfront_it = YGridComponent<Coordinates>(origin, r, &g.coords, size, n, size);
441
442 // build overlap
443 for (int i=0; i<dim; i++)
444 {
445 if (!r[i])
446 {
447 if (ovlp_low[i])
448 {
449 origin[i]++;
450 size[i]--;
451 }
452 if (ovlp_up[i])
453 size[i]--;
454 }
455 }
456 *overlap_it = YGridComponent<Coordinates>(origin,size,*overlapfront_it);
457
458 // build interiorborder
459 for (int i=0; i<dim; i++)
460 {
461 if (ovlp_low[i])
462 {
463 origin[i] += overlap;
464 size[i] -= overlap;
465 if (!r[i])
466 {
467 origin[i]--;
468 size[i]++;
469 }
470 }
471 if (ovlp_up[i])
472 {
473 size[i] -= overlap;
474 if (!r[i])
475 size[i]++;
476 }
477 }
478 *interiorborder_it = YGridComponent<Coordinates>(origin,size,*overlapfront_it);
479
480 // build interior
481 for (int i=0; i<dim; i++)
482 {
483 if (!r[i])
484 {
485 if (ovlp_low[i])
486 {
487 origin[i]++;
488 size[i]--;
489 }
490 if (ovlp_up[i])
491 size[i]--;
492 }
493 }
494 *interior_it = YGridComponent<Coordinates>(origin, size, *overlapfront_it);
495
496 intersections(*overlapfront_it,*overlapfront_it,*send_overlapfront_overlapfront_it, *recv_overlapfront_overlapfront_it);
497 intersections(*overlap_it,*overlapfront_it,*send_overlap_overlapfront_it, *recv_overlapfront_overlap_it);
498 intersections(*interiorborder_it,*interiorborder_it,*send_interiorborder_interiorborder_it,*recv_interiorborder_interiorborder_it);
499 intersections(*interiorborder_it,*overlapfront_it,*send_interiorborder_overlapfront_it,*recv_overlapfront_interiorborder_it);
500
501 // advance all iterators pointing to the next insertion point
502 ++overlapfront_it;
503 ++overlap_it;
504 ++interiorborder_it;
505 ++interior_it;
506 ++send_overlapfront_overlapfront_it;
507 ++recv_overlapfront_overlapfront_it;
508 ++send_overlap_overlapfront_it;
509 ++recv_overlapfront_overlap_it;
510 ++send_interiorborder_interiorborder_it;
511 ++recv_interiorborder_interiorborder_it;
512 ++send_interiorborder_overlapfront_it;
513 ++recv_overlapfront_interiorborder_it;
514 }
515
516 // set end iterators in the corresonding ygrids
517 g.overlapfront[codim].finalize(overlapfront_it);
518 g.overlap[codim].finalize(overlap_it);
519 g.interiorborder[codim].finalize(interiorborder_it);
520 g.interior[codim].finalize(interior_it);
521 g.send_overlapfront_overlapfront[codim].finalize(send_overlapfront_overlapfront_it,g.overlapfront[codim]);
522 g.recv_overlapfront_overlapfront[codim].finalize(recv_overlapfront_overlapfront_it,g.overlapfront[codim]);
523 g.send_overlap_overlapfront[codim].finalize(send_overlap_overlapfront_it,g.overlapfront[codim]);
524 g.recv_overlapfront_overlap[codim].finalize(recv_overlapfront_overlap_it,g.overlapfront[codim]);
525 g.send_interiorborder_interiorborder[codim].finalize(send_interiorborder_interiorborder_it,g.overlapfront[codim]);
526 g.recv_interiorborder_interiorborder[codim].finalize(recv_interiorborder_interiorborder_it,g.overlapfront[codim]);
527 g.send_interiorborder_overlapfront[codim].finalize(send_interiorborder_overlapfront_it,g.overlapfront[codim]);
528 g.recv_overlapfront_interiorborder[codim].finalize(recv_overlapfront_interiorborder_it,g.overlapfront[codim]);
529 }
530 }
531
532#ifndef DOXYGEN
541 struct mpifriendly_ygrid {
542 mpifriendly_ygrid ()
543 {
544 std::fill(origin.begin(), origin.end(), 0);
545 std::fill(size.begin(), size.end(), 0);
546 }
547 mpifriendly_ygrid (const YGridComponent<Coordinates>& grid)
548 : origin(grid.origin()), size(grid.size())
549 {}
550 iTupel origin;
551 iTupel size;
552 };
553#endif
554
564 std::deque<Intersection>& sendlist, std::deque<Intersection>& recvlist)
565 {
566 iTupel size = globalSize();
567
568 // the exchange buffers
569 std::vector<YGridComponent<Coordinates> > send_recvgrid(_torus.neighbors());
570 std::vector<YGridComponent<Coordinates> > recv_recvgrid(_torus.neighbors());
571 std::vector<YGridComponent<Coordinates> > send_sendgrid(_torus.neighbors());
572 std::vector<YGridComponent<Coordinates> > recv_sendgrid(_torus.neighbors());
573
574 // new exchange buffers to send simple struct without virtual functions
575 std::vector<mpifriendly_ygrid> mpifriendly_send_recvgrid(_torus.neighbors());
576 std::vector<mpifriendly_ygrid> mpifriendly_recv_recvgrid(_torus.neighbors());
577 std::vector<mpifriendly_ygrid> mpifriendly_send_sendgrid(_torus.neighbors());
578 std::vector<mpifriendly_ygrid> mpifriendly_recv_sendgrid(_torus.neighbors());
579
580 // fill send buffers; iterate over all neighboring processes
581 // non-periodic case is handled automatically because intersection will be zero
582 for (typename Torus<CollectiveCommunicationType,dim>::ProcListIterator i=_torus.sendbegin(); i!=_torus.sendend(); ++i)
583 {
584 // determine if we communicate with this neighbor (and what)
585 bool skip = false;
586 iTupel coord = _torus.coord(); // my coordinates
587 iTupel delta = i.delta(); // delta to neighbor
588 iTupel nb = coord; // the neighbor
589 for (int k=0; k<dim; k++) nb[k] += delta[k];
590 iTupel v; // grid movement
591 std::fill(v.begin(), v.end(), 0);
592
593 for (int k=0; k<dim; k++)
594 {
595 if (nb[k]<0)
596 {
597 if (_periodic[k])
598 v[k] += size[k];
599 else
600 skip = true;
601 }
602 if (nb[k]>=_torus.dims(k))
603 {
604 if (_periodic[k])
605 v[k] -= size[k];
606 else
607 skip = true;
608 }
609 // neither might be true, then v=0
610 }
611
612 // store moved grids in send buffers
613 if (!skip)
614 {
615 send_sendgrid[i.index()] = sendgrid.move(v);
616 send_recvgrid[i.index()] = recvgrid.move(v);
617 }
618 else
619 {
620 send_sendgrid[i.index()] = YGridComponent<Coordinates>();
621 send_recvgrid[i.index()] = YGridComponent<Coordinates>();
622 }
623 }
624
625 // issue send requests for sendgrid being sent to all neighbors
626 for (typename Torus<CollectiveCommunicationType,dim>::ProcListIterator i=_torus.sendbegin(); i!=_torus.sendend(); ++i)
627 {
628 mpifriendly_send_sendgrid[i.index()] = mpifriendly_ygrid(send_sendgrid[i.index()]);
629 _torus.send(i.rank(), &mpifriendly_send_sendgrid[i.index()], sizeof(mpifriendly_ygrid));
630 }
631
632 // issue recv requests for sendgrids of neighbors
633 for (typename Torus<CollectiveCommunicationType,dim>::ProcListIterator i=_torus.recvbegin(); i!=_torus.recvend(); ++i)
634 _torus.recv(i.rank(), &mpifriendly_recv_sendgrid[i.index()], sizeof(mpifriendly_ygrid));
635
636 // exchange the sendgrids
637 _torus.exchange();
638
639 // issue send requests for recvgrid being sent to all neighbors
640 for (typename Torus<CollectiveCommunicationType,dim>::ProcListIterator i=_torus.sendbegin(); i!=_torus.sendend(); ++i)
641 {
642 mpifriendly_send_recvgrid[i.index()] = mpifriendly_ygrid(send_recvgrid[i.index()]);
643 _torus.send(i.rank(), &mpifriendly_send_recvgrid[i.index()], sizeof(mpifriendly_ygrid));
644 }
645
646 // issue recv requests for recvgrid of neighbors
647 for (typename Torus<CollectiveCommunicationType,dim>::ProcListIterator i=_torus.recvbegin(); i!=_torus.recvend(); ++i)
648 _torus.recv(i.rank(), &mpifriendly_recv_recvgrid[i.index()], sizeof(mpifriendly_ygrid));
649
650 // exchange the recvgrid
651 _torus.exchange();
652
653 // process receive buffers and compute intersections
654 for (typename Torus<CollectiveCommunicationType,dim>::ProcListIterator i=_torus.recvbegin(); i!=_torus.recvend(); ++i)
655 {
656 // what must be sent to this neighbor
657 Intersection send_intersection;
658 mpifriendly_ygrid yg = mpifriendly_recv_recvgrid[i.index()];
659 recv_recvgrid[i.index()] = YGridComponent<Coordinates>(yg.origin,yg.size);
660 send_intersection.grid = sendgrid.intersection(recv_recvgrid[i.index()]);
661 send_intersection.rank = i.rank();
662 send_intersection.distance = i.distance();
663 if (!send_intersection.grid.empty()) sendlist.push_front(send_intersection);
664
665 Intersection recv_intersection;
666 yg = mpifriendly_recv_sendgrid[i.index()];
667 recv_sendgrid[i.index()] = YGridComponent<Coordinates>(yg.origin,yg.size);
668 recv_intersection.grid = recvgrid.intersection(recv_sendgrid[i.index()]);
669 recv_intersection.rank = i.rank();
670 recv_intersection.distance = i.distance();
671 if(!recv_intersection.grid.empty()) recvlist.push_back(recv_intersection);
672 }
673 }
674
675 protected:
676
677 typedef const YaspGrid<dim,Coordinates> GridImp;
678
679 void init()
680 {
681 Yasp::BinomialTable<dim>::init();
682 Yasp::EntityShiftTable<Yasp::calculate_entity_shift<dim>,dim>::init();
683 Yasp::EntityShiftTable<Yasp::calculate_entity_move<dim>,dim>::init();
684 indexsets.push_back( std::make_shared< YaspIndexSet<const YaspGrid<dim, Coordinates>, false > >(*this,0) );
685 boundarysegmentssize();
686 }
687
688 void boundarysegmentssize()
689 {
690 // sizes of local macro grid
691 std::array<int, dim> sides;
692 {
693 for (int i=0; i<dim; i++)
694 {
695 sides[i] =
696 ((begin()->overlap[0].dataBegin()->origin(i) == 0)+
697 (begin()->overlap[0].dataBegin()->origin(i) + begin()->overlap[0].dataBegin()->size(i)
698 == levelSize(0,i)));
699 }
700 }
701 nBSegments = 0;
702 for (int k=0; k<dim; k++)
703 {
704 int offset = 1;
705 for (int l=0; l<dim; l++)
706 {
707 if (l==k) continue;
708 offset *= begin()->overlap[0].dataBegin()->size(l);
709 }
710 nBSegments += sides[k]*offset;
711 }
712 }
713
714 public:
715
716 // define the persistent index type
717 typedef bigunsignedint<dim*yaspgrid_dim_bits+yaspgrid_level_bits+dim> PersistentIndexType;
718
720 typedef YaspGridFamily<dim, Coordinates> GridFamily;
721 // the Traits
723
724 // need for friend declarations in entity
728
738 std::array<int, dim> s,
739 std::bitset<dim> periodic = std::bitset<dim>(0ULL),
740 int overlap = 1,
742 const YLoadBalance<dim>* lb = defaultLoadbalancer())
743 : ccobj(comm), _torus(comm,tag,s,lb), leafIndexSet_(*this),
744 _L(L), _periodic(periodic), _coarseSize(s), _overlap(overlap),
745 keep_ovlp(true), adaptRefCount(0), adaptActive(false)
746 {
747 // check whether YaspGrid has been given the correct template parameter
748 static_assert(std::is_same<Coordinates,EquidistantCoordinates<ctype,dim> >::value,
749 "YaspGrid coordinate container template parameter and given constructor values do not match!");
750
751 _levels.resize(1);
752
753 iTupel o;
754 std::fill(o.begin(), o.end(), 0);
755 iTupel o_interior(o);
756 iTupel s_interior(s);
757
758 _torus.partition(_torus.rank(),o,s,o_interior,s_interior);
759
760#if HAVE_MPI
761 // check whether the grid is large enough to be overlapping
762 for (int i=0; i<dim; i++)
763 {
764 // find out whether the grid is too small to
765 int toosmall = (s_interior[i] <= overlap) && // interior is very small
766 (periodic[i] || (s_interior[i] != s[i])); // there is an overlap in that direction
767 // communicate the result to all those processes to have all processors error out if one process failed.
768 int global = 0;
769 MPI_Allreduce(&toosmall, &global, 1, MPI_INT, MPI_LOR, comm);
770 if (global)
771 DUNE_THROW(Dune::GridError,"YaspGrid is too small to be overlapping");
772 }
773#endif // #if HAVE_MPI
774
775 fTupel h(L);
776 for (int i=0; i<dim; i++)
777 h[i] /= s[i];
778
779 iTupel s_overlap(s_interior);
780 for (int i=0; i<dim; i++)
781 {
782 if ((o_interior[i] - overlap > 0) || (periodic[i]))
783 s_overlap[i] += overlap;
784 if ((o_interior[i] + s_interior[i] + overlap <= _coarseSize[i]) || (periodic[i]))
785 s_overlap[i] += overlap;
786 }
787
788 EquidistantCoordinates<ctype,dim> cc(h,s_overlap);
789
790 // add level
791 makelevel(cc,periodic,o_interior,overlap);
792
793 init();
794 }
795
807 std::array<int, dim> s,
808 std::bitset<dim> periodic = std::bitset<dim>(0ULL),
809 int overlap = 1,
811 const YLoadBalance<dim>* lb = defaultLoadbalancer())
812 : ccobj(comm), _torus(comm,tag,s,lb), leafIndexSet_(*this),
813 _L(upperright - lowerleft),
814 _periodic(periodic), _coarseSize(s), _overlap(overlap),
815 keep_ovlp(true), adaptRefCount(0), adaptActive(false)
816 {
817 // check whether YaspGrid has been given the correct template parameter
818 static_assert(std::is_same<Coordinates,EquidistantOffsetCoordinates<ctype,dim> >::value,
819 "YaspGrid coordinate container template parameter and given constructor values do not match!");
820
821 _levels.resize(1);
822
823 iTupel o;
824 std::fill(o.begin(), o.end(), 0);
825 iTupel o_interior(o);
826 iTupel s_interior(s);
827
828 _torus.partition(_torus.rank(),o,s,o_interior,s_interior);
829
830#if HAVE_MPI
831 // check whether the grid is large enough to be overlapping
832 for (int i=0; i<dim; i++)
833 {
834 // find out whether the grid is too small to
835 int toosmall = (s_interior[i] <= overlap) && // interior is very small
836 (periodic[i] || (s_interior[i] != s[i])); // there is an overlap in that direction
837 // communicate the result to all those processes to have all processors error out if one process failed.
838 int global = 0;
839 MPI_Allreduce(&toosmall, &global, 1, MPI_INT, MPI_LOR, comm);
840 if (global)
841 DUNE_THROW(Dune::GridError,"YaspGrid is too small to be overlapping");
842 }
843#endif // #if HAVE_MPI
844
845 Dune::FieldVector<ctype,dim> extension(upperright);
847 for (int i=0; i<dim; i++)
848 {
849 extension[i] -= lowerleft[i];
850 h[i] = extension[i] / s[i];
851 }
852
853 iTupel s_overlap(s_interior);
854 for (int i=0; i<dim; i++)
855 {
856 if ((o_interior[i] - overlap > 0) || (periodic[i]))
857 s_overlap[i] += overlap;
858 if ((o_interior[i] + s_interior[i] + overlap <= _coarseSize[i]) || (periodic[i]))
859 s_overlap[i] += overlap;
860 }
861
862 EquidistantOffsetCoordinates<ctype,dim> cc(lowerleft,h,s_overlap);
863
864 // add level
865 makelevel(cc,periodic,o_interior,overlap);
866
867 init();
868 }
869
877 YaspGrid (std::array<std::vector<ctype>, dim> coords,
878 std::bitset<dim> periodic = std::bitset<dim>(0ULL),
879 int overlap = 1,
881 const YLoadBalance<dim>* lb = defaultLoadbalancer())
882 : ccobj(comm), _torus(comm,tag,Dune::Yasp::sizeArray<dim>(coords),lb),
883 leafIndexSet_(*this), _periodic(periodic), _overlap(overlap),
884 keep_ovlp(true), adaptRefCount(0), adaptActive(false)
885 {
886 if (!Dune::Yasp::checkIfMonotonous(coords))
887 DUNE_THROW(Dune::GridError,"Setup of a tensorproduct grid requires monotonous sequences of coordinates.");
888
889 // check whether YaspGrid has been given the correct template parameter
890 static_assert(std::is_same<Coordinates,TensorProductCoordinates<ctype,dim> >::value,
891 "YaspGrid coordinate container template parameter and given constructor values do not match!");
892
893 _levels.resize(1);
894
895 //determine sizes of vector to correctly construct torus structure and store for later size requests
896 for (int i=0; i<dim; i++) {
897 _coarseSize[i] = coords[i].size() - 1;
898 _L[i] = coords[i][_coarseSize[i]] - coords[i][0];
899 }
900
901 iTupel o;
902 std::fill(o.begin(), o.end(), 0);
903 iTupel o_interior(o);
904 iTupel s_interior(_coarseSize);
905
906 _torus.partition(_torus.rank(),o,_coarseSize,o_interior,s_interior);
907
908#if HAVE_MPI
909 // check whether the grid is large enough to be overlapping
910 for (int i=0; i<dim; i++)
911 {
912 // find out whether the grid is too small to
913 int toosmall = (s_interior[i] <= overlap) && // interior is very small
914 (periodic[i] || (s_interior[i] != _coarseSize[i])); // there is an overlap in that direction
915 // communicate the result to all those processes to have all processors error out if one process failed.
916 int global = 0;
917 MPI_Allreduce(&toosmall, &global, 1, MPI_INT, MPI_LOR, comm);
918 if (global)
919 DUNE_THROW(Dune::GridError,"YaspGrid is too small to be overlapping");
920 }
921#endif // #if HAVE_MPI
922
923
924 std::array<std::vector<ctype>,dim> newcoords;
925 std::array<int, dim> offset(o_interior);
926
927 // find the relevant part of the coords vector for this processor and copy it to newcoords
928 for (int i=0; i<dim; ++i)
929 {
930 //define iterators on coords that specify the coordinate range to be used
931 typename std::vector<ctype>::iterator begin = coords[i].begin() + o_interior[i];
932 typename std::vector<ctype>::iterator end = begin + s_interior[i] + 1;
933
934 // check whether we are not at the physical boundary. In that case overlap is a simple
935 // extension of the coordinate range to be used
936 if (o_interior[i] - overlap > 0)
937 {
938 begin = begin - overlap;
939 offset[i] -= overlap;
940 }
941 if (o_interior[i] + s_interior[i] + overlap < _coarseSize[i])
942 end = end + overlap;
943
944 //copy the selected part in the new coord vector
945 newcoords[i].resize(end-begin);
946 std::copy(begin, end, newcoords[i].begin());
947
948 // check whether we are at the physical boundary and a have a periodic grid.
949 // In this case the coordinate vector has to be tweaked manually.
950 if ((periodic[i]) && (o_interior[i] + s_interior[i] + overlap >= _coarseSize[i]))
951 {
952 // we need to add the first <overlap> cells to the end of newcoords
953 typename std::vector<ctype>::iterator it = coords[i].begin();
954 for (int j=0; j<overlap; ++j)
955 newcoords[i].push_back(newcoords[i].back() - *it + *(++it));
956 }
957
958 if ((periodic[i]) && (o_interior[i] - overlap <= 0))
959 {
960 offset[i] -= overlap;
961
962 // we need to add the last <overlap> cells to the begin of newcoords
963 typename std::vector<ctype>::iterator it = coords[i].end() - 1;
964 for (int j=0; j<overlap; ++j)
965 newcoords[i].insert(newcoords[i].begin(), newcoords[i].front() - *it + *(--it));
966 }
967 }
968
969 TensorProductCoordinates<ctype,dim> cc(newcoords, offset);
970
971 // add level
972 makelevel(cc,periodic,o_interior,overlap);
973 init();
974 }
975
976 private:
977
992 YaspGrid (std::array<std::vector<ctype>, dim> coords,
993 std::bitset<dim> periodic,
994 int overlap,
995 CollectiveCommunicationType comm,
996 std::array<int,dim> coarseSize,
997 const YLoadBalance<dim>* lb = defaultLoadbalancer())
998 : ccobj(comm), _torus(comm,tag,coarseSize,lb), leafIndexSet_(*this),
999 _periodic(periodic), _coarseSize(coarseSize), _overlap(overlap),
1000 keep_ovlp(true), adaptRefCount(0), adaptActive(false)
1001 {
1002 // check whether YaspGrid has been given the correct template parameter
1003 static_assert(std::is_same<Coordinates,TensorProductCoordinates<ctype,dim> >::value,
1004 "YaspGrid coordinate container template parameter and given constructor values do not match!");
1005
1006 if (!Dune::Yasp::checkIfMonotonous(coords))
1007 DUNE_THROW(Dune::GridError,"Setup of a tensorproduct grid requires monotonous sequences of coordinates.");
1008
1009 for (int i=0; i<dim; i++)
1010 _L[i] = coords[i][coords[i].size() - 1] - coords[i][0];
1011
1012 _levels.resize(1);
1013
1014 std::array<int,dim> o;
1015 std::fill(o.begin(), o.end(), 0);
1016 std::array<int,dim> o_interior(o);
1017 std::array<int,dim> s_interior(coarseSize);
1018
1019 _torus.partition(_torus.rank(),o,coarseSize,o_interior,s_interior);
1020
1021 // get offset by modifying o_interior according to overlap
1022 std::array<int,dim> offset(o_interior);
1023 for (int i=0; i<dim; i++)
1024 if ((periodic[i]) || (o_interior[i] > 0))
1025 offset[i] -= overlap;
1026
1027 TensorProductCoordinates<ctype,dim> cc(coords, offset);
1028
1029 // add level
1030 makelevel(cc,periodic,o_interior,overlap);
1031
1032 init();
1033 }
1034
1035 // the backup restore facility needs to be able to use above constructor
1036 friend struct BackupRestoreFacility<YaspGrid<dim,Coordinates> >;
1037
1038 // do not copy this class
1039 YaspGrid(const YaspGrid&);
1040
1041 public:
1042
1046 int maxLevel() const
1047 {
1048 return _levels.size()-1;
1049 }
1050
1052 void globalRefine (int refCount)
1053 {
1054 if (refCount < -maxLevel())
1055 DUNE_THROW(GridError, "Only " << maxLevel() << " levels left. " <<
1056 "Coarsening " << -refCount << " levels requested!");
1057
1058 // If refCount is negative then coarsen the grid
1059 for (int k=refCount; k<0; k++)
1060 {
1061 // create an empty grid level
1062 YGridLevel empty;
1063 _levels.back() = empty;
1064 // reduce maxlevel
1065 _levels.pop_back();
1066
1067 indexsets.pop_back();
1068 }
1069
1070 // If refCount is positive refine the grid
1071 for (int k=0; k<refCount; k++)
1072 {
1073 // access to coarser grid level
1074 YGridLevel& cg = _levels[maxLevel()];
1075
1076 std::bitset<dim> ovlp_low(0ULL), ovlp_up(0ULL);
1077 for (int i=0; i<dim; i++)
1078 {
1079 if (cg.overlap[0].dataBegin()->origin(i) > 0 || _periodic[i])
1080 ovlp_low[i] = true;
1081 if (cg.overlap[0].dataBegin()->max(i) + 1 < globalSize(i) || _periodic[i])
1082 ovlp_up[i] = true;
1083 }
1084
1085 Coordinates newcont(cg.coords.refine(ovlp_low, ovlp_up, cg.overlapSize, keep_ovlp));
1086
1087 int overlap = (keep_ovlp) ? 2*cg.overlapSize : cg.overlapSize;
1088
1089 //determine new origin
1090 iTupel o_interior;
1091 for (int i=0; i<dim; i++)
1092 o_interior[i] = 2*cg.interior[0].dataBegin()->origin(i);
1093
1094 // add level
1095 _levels.resize(_levels.size() + 1);
1096 makelevel(newcont,_periodic,o_interior,overlap);
1097
1098 indexsets.push_back( std::make_shared<YaspIndexSet<const YaspGrid<dim,Coordinates>, false > >(*this,maxLevel()) );
1099 }
1100 }
1101
1106 void refineOptions (bool keepPhysicalOverlap)
1107 {
1108 keep_ovlp = keepPhysicalOverlap;
1109 }
1110
1122 bool mark( int refCount, const typename Traits::template Codim<0>::Entity & e )
1123 {
1124 assert(adaptActive == false);
1125 if (e.level() != maxLevel()) return false;
1126 adaptRefCount = std::max(adaptRefCount, refCount);
1127 return true;
1128 }
1129
1136 int getMark ( const typename Traits::template Codim<0>::Entity &e ) const
1137 {
1138 return ( e.level() == maxLevel() ) ? adaptRefCount : 0;
1139 }
1140
1142 bool adapt ()
1143 {
1144 globalRefine(adaptRefCount);
1145 return (adaptRefCount > 0);
1146 }
1147
1149 bool preAdapt ()
1150 {
1151 adaptActive = true;
1152 adaptRefCount = comm().max(adaptRefCount);
1153 return (adaptRefCount < 0);
1154 }
1155
1158 {
1159 adaptActive = false;
1160 adaptRefCount = 0;
1161 }
1162
1164 template<int cd, PartitionIteratorType pitype>
1165 typename Traits::template Codim<cd>::template Partition<pitype>::LevelIterator lbegin (int level) const
1166 {
1167 return levelbegin<cd,pitype>(level);
1168 }
1169
1171 template<int cd, PartitionIteratorType pitype>
1172 typename Traits::template Codim<cd>::template Partition<pitype>::LevelIterator lend (int level) const
1173 {
1174 return levelend<cd,pitype>(level);
1175 }
1176
1178 template<int cd>
1179 typename Traits::template Codim<cd>::template Partition<All_Partition>::LevelIterator lbegin (int level) const
1180 {
1181 return levelbegin<cd,All_Partition>(level);
1182 }
1183
1185 template<int cd>
1186 typename Traits::template Codim<cd>::template Partition<All_Partition>::LevelIterator lend (int level) const
1187 {
1188 return levelend<cd,All_Partition>(level);
1189 }
1190
1192 template<int cd, PartitionIteratorType pitype>
1193 typename Traits::template Codim<cd>::template Partition<pitype>::LeafIterator leafbegin () const
1194 {
1195 return levelbegin<cd,pitype>(maxLevel());
1196 }
1197
1199 template<int cd, PartitionIteratorType pitype>
1200 typename Traits::template Codim<cd>::template Partition<pitype>::LeafIterator leafend () const
1201 {
1202 return levelend<cd,pitype>(maxLevel());
1203 }
1204
1206 template<int cd>
1207 typename Traits::template Codim<cd>::template Partition<All_Partition>::LeafIterator leafbegin () const
1208 {
1209 return levelbegin<cd,All_Partition>(maxLevel());
1210 }
1211
1213 template<int cd>
1214 typename Traits::template Codim<cd>::template Partition<All_Partition>::LeafIterator leafend () const
1215 {
1216 return levelend<cd,All_Partition>(maxLevel());
1217 }
1218
1219 // \brief obtain Entity from EntitySeed. */
1220 template <typename Seed>
1221 typename Traits::template Codim<Seed::codimension>::Entity
1222 entity(const Seed& seed) const
1223 {
1224 const int codim = Seed::codimension;
1225 YGridLevelIterator g = begin(this->getRealImplementation(seed).level());
1226
1227 typedef typename Traits::template Codim<Seed::codimension>::Entity Entity;
1228 typedef YaspEntity<codim,dim,const YaspGrid> EntityImp;
1229 typedef typename YGrid::Iterator YIterator;
1230
1231 return Entity(EntityImp(g,YIterator(g->overlapfront[codim],this->getRealImplementation(seed).coord(),this->getRealImplementation(seed).offset())));
1232 }
1233
1235 int overlapSize (int level, int codim) const
1236 {
1237 YGridLevelIterator g = begin(level);
1238 return g->overlapSize;
1239 }
1240
1242 int overlapSize (int codim) const
1243 {
1245 return g->overlapSize;
1246 }
1247
1249 int ghostSize (int level, int codim) const
1250 {
1251 return 0;
1252 }
1253
1255 int ghostSize (int codim) const
1256 {
1257 return 0;
1258 }
1259
1261 int size (int level, int codim) const
1262 {
1263 YGridLevelIterator g = begin(level);
1264
1265 // sum over all components of the codimension
1266 int count = 0;
1267 typedef typename std::array<YGridComponent<Coordinates>, StaticPower<2,dim>::power>::iterator DAI;
1268 for (DAI it = g->overlapfront[codim].dataBegin(); it != g->overlapfront[codim].dataEnd(); ++it)
1269 count += it->totalsize();
1270
1271 return count;
1272 }
1273
1275 int size (int codim) const
1276 {
1277 return size(maxLevel(),codim);
1278 }
1279
1281 int size (int level, GeometryType type) const
1282 {
1283 return (type.isCube()) ? size(level,dim-type.dim()) : 0;
1284 }
1285
1287 int size (GeometryType type) const
1288 {
1289 return size(maxLevel(),type);
1290 }
1291
1293 size_t numBoundarySegments () const
1294 {
1295 return nBSegments;
1296 }
1297
1300 return _L;
1301 }
1302
1307 template<class DataHandleImp, class DataType>
1309 {
1310 YaspCommunicateMeta<dim,dim>::comm(*this,data,iftype,dir,level);
1311 }
1312
1317 template<class DataHandleImp, class DataType>
1319 {
1320 YaspCommunicateMeta<dim,dim>::comm(*this,data,iftype,dir,this->maxLevel());
1321 }
1322
1327 template<class DataHandle, int codim>
1328 void communicateCodim (DataHandle& data, InterfaceType iftype, CommunicationDirection dir, int level) const
1329 {
1330 // check input
1331 if (!data.contains(dim,codim)) return; // should have been checked outside
1332
1333 // data types
1334 typedef typename DataHandle::DataType DataType;
1335
1336 // access to grid level
1337 YGridLevelIterator g = begin(level);
1338
1339 // find send/recv lists or throw error
1340 const YGridList<Coordinates>* sendlist = 0;
1341 const YGridList<Coordinates>* recvlist = 0;
1342
1344 {
1345 sendlist = &g->send_interiorborder_interiorborder[codim];
1346 recvlist = &g->recv_interiorborder_interiorborder[codim];
1347 }
1348 if (iftype==InteriorBorder_All_Interface)
1349 {
1350 sendlist = &g->send_interiorborder_overlapfront[codim];
1351 recvlist = &g->recv_overlapfront_interiorborder[codim];
1352 }
1354 {
1355 sendlist = &g->send_overlap_overlapfront[codim];
1356 recvlist = &g->recv_overlapfront_overlap[codim];
1357 }
1358 if (iftype==All_All_Interface)
1359 {
1360 sendlist = &g->send_overlapfront_overlapfront[codim];
1361 recvlist = &g->recv_overlapfront_overlapfront[codim];
1362 }
1363
1364 // change communication direction?
1365 if (dir==BackwardCommunication)
1366 std::swap(sendlist,recvlist);
1367
1368 int cnt;
1369
1370 // Size computation (requires communication if variable size)
1371 std::vector<int> send_size(sendlist->size(),-1); // map rank to total number of objects (of type DataType) to be sent
1372 std::vector<int> recv_size(recvlist->size(),-1); // map rank to total number of objects (of type DataType) to be recvd
1373 std::vector<size_t*> send_sizes(sendlist->size(),static_cast<size_t*>(0)); // map rank to array giving number of objects per entity to be sent
1374 std::vector<size_t*> recv_sizes(recvlist->size(),static_cast<size_t*>(0)); // map rank to array giving number of objects per entity to be recvd
1375
1376 // define type to iterate over send and recv lists
1377 typedef typename YGridList<Coordinates>::Iterator ListIt;
1378
1379 if (data.fixedSize(dim,codim))
1380 {
1381 // fixed size: just take a dummy entity, size can be computed without communication
1382 cnt=0;
1383 for (ListIt is=sendlist->begin(); is!=sendlist->end(); ++is)
1384 {
1385 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1387 send_size[cnt] = is->grid.totalsize() * data.size(*it);
1388 cnt++;
1389 }
1390 cnt=0;
1391 for (ListIt is=recvlist->begin(); is!=recvlist->end(); ++is)
1392 {
1393 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1395 recv_size[cnt] = is->grid.totalsize() * data.size(*it);
1396 cnt++;
1397 }
1398 }
1399 else
1400 {
1401 // variable size case: sender side determines the size
1402 cnt=0;
1403 for (ListIt is=sendlist->begin(); is!=sendlist->end(); ++is)
1404 {
1405 // allocate send buffer for sizes per entitiy
1406 size_t *buf = new size_t[is->grid.totalsize()];
1407 send_sizes[cnt] = buf;
1408
1409 // loop over entities and ask for size
1410 int i=0; size_t n=0;
1411 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1413 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1414 itend(YaspLevelIterator<codim,All_Partition,GridImp>(g, typename YGrid::Iterator(is->yg,true)));
1415 for ( ; it!=itend; ++it)
1416 {
1417 buf[i] = data.size(*it);
1418 n += buf[i];
1419 i++;
1420 }
1421
1422 // now we know the size for this rank
1423 send_size[cnt] = n;
1424
1425 // hand over send request to torus class
1426 torus().send(is->rank,buf,is->grid.totalsize()*sizeof(size_t));
1427 cnt++;
1428 }
1429
1430 // allocate recv buffers for sizes and store receive request
1431 cnt=0;
1432 for (ListIt is=recvlist->begin(); is!=recvlist->end(); ++is)
1433 {
1434 // allocate recv buffer
1435 size_t *buf = new size_t[is->grid.totalsize()];
1436 recv_sizes[cnt] = buf;
1437
1438 // hand over recv request to torus class
1439 torus().recv(is->rank,buf,is->grid.totalsize()*sizeof(size_t));
1440 cnt++;
1441 }
1442
1443 // exchange all size buffers now
1444 torus().exchange();
1445
1446 // release send size buffers
1447 cnt=0;
1448 for (ListIt is=sendlist->begin(); is!=sendlist->end(); ++is)
1449 {
1450 delete[] send_sizes[cnt];
1451 send_sizes[cnt] = 0;
1452 cnt++;
1453 }
1454
1455 // process receive size buffers
1456 cnt=0;
1457 for (ListIt is=recvlist->begin(); is!=recvlist->end(); ++is)
1458 {
1459 // get recv buffer
1460 size_t *buf = recv_sizes[cnt];
1461
1462 // compute total size
1463 size_t n=0;
1464 for (int i=0; i<is->grid.totalsize(); ++i)
1465 n += buf[i];
1466
1467 // ... and store it
1468 recv_size[cnt] = n;
1469 ++cnt;
1470 }
1471 }
1472
1473
1474 // allocate & fill the send buffers & store send request
1475 std::vector<DataType*> sends(sendlist->size(), static_cast<DataType*>(0)); // store pointers to send buffers
1476 cnt=0;
1477 for (ListIt is=sendlist->begin(); is!=sendlist->end(); ++is)
1478 {
1479 // allocate send buffer
1480 DataType *buf = new DataType[send_size[cnt]];
1481
1482 // remember send buffer
1483 sends[cnt] = buf;
1484
1485 // make a message buffer
1486 MessageBuffer<DataType> mb(buf);
1487
1488 // fill send buffer; iterate over cells in intersection
1489 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1491 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1492 itend(YaspLevelIterator<codim,All_Partition,GridImp>(g, typename YGrid::Iterator(is->yg,true)));
1493 for ( ; it!=itend; ++it)
1494 data.gather(mb,*it);
1495
1496 // hand over send request to torus class
1497 torus().send(is->rank,buf,send_size[cnt]*sizeof(DataType));
1498 cnt++;
1499 }
1500
1501 // allocate recv buffers and store receive request
1502 std::vector<DataType*> recvs(recvlist->size(),static_cast<DataType*>(0)); // store pointers to send buffers
1503 cnt=0;
1504 for (ListIt is=recvlist->begin(); is!=recvlist->end(); ++is)
1505 {
1506 // allocate recv buffer
1507 DataType *buf = new DataType[recv_size[cnt]];
1508
1509 // remember recv buffer
1510 recvs[cnt] = buf;
1511
1512 // hand over recv request to torus class
1513 torus().recv(is->rank,buf,recv_size[cnt]*sizeof(DataType));
1514 cnt++;
1515 }
1516
1517 // exchange all buffers now
1518 torus().exchange();
1519
1520 // release send buffers
1521 cnt=0;
1522 for (ListIt is=sendlist->begin(); is!=sendlist->end(); ++is)
1523 {
1524 delete[] sends[cnt];
1525 sends[cnt] = 0;
1526 cnt++;
1527 }
1528
1529 // process receive buffers and delete them
1530 cnt=0;
1531 for (ListIt is=recvlist->begin(); is!=recvlist->end(); ++is)
1532 {
1533 // get recv buffer
1534 DataType *buf = recvs[cnt];
1535
1536 // make a message buffer
1537 MessageBuffer<DataType> mb(buf);
1538
1539 // copy data from receive buffer; iterate over cells in intersection
1540 if (data.fixedSize(dim,codim))
1541 {
1542 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1544 size_t n=data.size(*it);
1545 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1546 itend(YaspLevelIterator<codim,All_Partition,GridImp>(g, typename YGrid::Iterator(is->yg,true)));
1547 for ( ; it!=itend; ++it)
1548 data.scatter(mb,*it,n);
1549 }
1550 else
1551 {
1552 int i=0;
1553 size_t *sbuf = recv_sizes[cnt];
1554 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1556 typename Traits::template Codim<codim>::template Partition<All_Partition>::LevelIterator
1557 itend(YaspLevelIterator<codim,All_Partition,GridImp>(g, typename YGrid::Iterator(is->yg,true)));
1558 for ( ; it!=itend; ++it)
1559 data.scatter(mb,*it,sbuf[i++]);
1560 delete[] sbuf;
1561 }
1562
1563 // delete buffer
1564 delete[] buf; // hier krachts !
1565 cnt++;
1566 }
1567 }
1568
1569 // The new index sets from DDM 11.07.2005
1570 const typename Traits::GlobalIdSet& globalIdSet() const
1571 {
1572 return theglobalidset;
1573 }
1574
1575 const typename Traits::LocalIdSet& localIdSet() const
1576 {
1577 return theglobalidset;
1578 }
1579
1580 const typename Traits::LevelIndexSet& levelIndexSet(int level) const
1581 {
1582 if (level<0 || level>maxLevel()) DUNE_THROW(RangeError, "level out of range");
1583 return *(indexsets[level]);
1584 }
1585
1586 const typename Traits::LeafIndexSet& leafIndexSet() const
1587 {
1588 return leafIndexSet_;
1589 }
1590
1594 {
1595 return ccobj;
1596 }
1597
1598 private:
1599
1600 // number of boundary segments of the level 0 grid
1601 int nBSegments;
1602
1603 // Index classes need access to the real entity
1604 friend class Dune::YaspIndexSet<const Dune::YaspGrid<dim, Coordinates>, true >;
1605 friend class Dune::YaspIndexSet<const Dune::YaspGrid<dim, Coordinates>, false >;
1606 friend class Dune::YaspGlobalIdSet<const Dune::YaspGrid<dim, Coordinates> >;
1607 friend class Dune::YaspPersistentContainerIndex<const Dune::YaspGrid<dim, Coordinates> >;
1608
1609 friend class Dune::YaspIntersectionIterator<const Dune::YaspGrid<dim, Coordinates> >;
1610 friend class Dune::YaspIntersection<const Dune::YaspGrid<dim, Coordinates> >;
1611 friend class Dune::YaspEntity<0, dim, const Dune::YaspGrid<dim, Coordinates> >;
1612
1613 template <int codim_, class GridImp_>
1614 friend class Dune::YaspEntityPointer;
1615
1616 template<int codim_, int dim_, class GridImp_, template<int,int,class> class EntityImp_>
1617 friend class Entity;
1618
1619 template<class DT>
1620 class MessageBuffer {
1621 public:
1622 // Constructor
1623 MessageBuffer (DT *p)
1624 {
1625 a=p;
1626 i=0;
1627 j=0;
1628 }
1629
1630 // write data to message buffer, acts like a stream !
1631 template<class Y>
1632 void write (const Y& data)
1633 {
1634 static_assert(( std::is_same<DT,Y>::value ), "DataType mismatch");
1635 a[i++] = data;
1636 }
1637
1638 // read data from message buffer, acts like a stream !
1639 template<class Y>
1640 void read (Y& data) const
1641 {
1642 static_assert(( std::is_same<DT,Y>::value ), "DataType mismatch");
1643 data = a[j++];
1644 }
1645
1646 private:
1647 DT *a;
1648 int i;
1649 mutable int j;
1650 };
1651
1653 template<int cd, PartitionIteratorType pitype>
1654 YaspLevelIterator<cd,pitype,GridImp> levelbegin (int level) const
1655 {
1656 YGridLevelIterator g = begin(level);
1657 if (level<0 || level>maxLevel()) DUNE_THROW(RangeError, "level out of range");
1658
1659 if (pitype==Interior_Partition)
1660 return YaspLevelIterator<cd,pitype,GridImp>(g,g->interior[cd].begin());
1661 if (pitype==InteriorBorder_Partition)
1662 return YaspLevelIterator<cd,pitype,GridImp>(g,g->interiorborder[cd].begin());
1663 if (pitype==Overlap_Partition)
1664 return YaspLevelIterator<cd,pitype,GridImp>(g,g->overlap[cd].begin());
1665 if (pitype<=All_Partition)
1666 return YaspLevelIterator<cd,pitype,GridImp>(g,g->overlapfront[cd].begin());
1667 if (pitype==Ghost_Partition)
1668 return levelend <cd, pitype> (level);
1669
1670 DUNE_THROW(GridError, "YaspLevelIterator with this codim or partition type not implemented");
1671 }
1672
1674 template<int cd, PartitionIteratorType pitype>
1675 YaspLevelIterator<cd,pitype,GridImp> levelend (int level) const
1676 {
1677 YGridLevelIterator g = begin(level);
1678 if (level<0 || level>maxLevel()) DUNE_THROW(RangeError, "level out of range");
1679
1680 if (pitype==Interior_Partition)
1681 return YaspLevelIterator<cd,pitype,GridImp>(g,g->interior[cd].end());
1682 if (pitype==InteriorBorder_Partition)
1683 return YaspLevelIterator<cd,pitype,GridImp>(g,g->interiorborder[cd].end());
1684 if (pitype==Overlap_Partition)
1685 return YaspLevelIterator<cd,pitype,GridImp>(g,g->overlap[cd].end());
1686 if (pitype<=All_Partition || pitype == Ghost_Partition)
1687 return YaspLevelIterator<cd,pitype,GridImp>(g,g->overlapfront[cd].end());
1688
1689 DUNE_THROW(GridError, "YaspLevelIterator with this codim or partition type not implemented");
1690 }
1691
1692 CollectiveCommunicationType ccobj;
1693
1694 Torus<CollectiveCommunicationType,dim> _torus;
1695
1696 std::vector< std::shared_ptr< YaspIndexSet<const YaspGrid<dim,Coordinates>, false > > > indexsets;
1697 YaspIndexSet<const YaspGrid<dim,Coordinates>, true> leafIndexSet_;
1698 YaspGlobalIdSet<const YaspGrid<dim,Coordinates> > theglobalidset;
1699
1701 iTupel _s;
1702 std::bitset<dim> _periodic;
1703 iTupel _coarseSize;
1704 ReservedVector<YGridLevel,32> _levels;
1705 int _overlap;
1706 bool keep_ovlp;
1707 int adaptRefCount;
1708 bool adaptActive;
1709 };
1710
1712
1713 template <int d, class CC>
1714 std::ostream& operator<< (std::ostream& s, const YaspGrid<d,CC>& grid)
1715 {
1716 int rank = grid.torus().rank();
1717
1718 s << "[" << rank << "]:" << " YaspGrid maxlevel=" << grid.maxLevel() << std::endl;
1719
1720 s << "Printing the torus: " <<std::endl;
1721 s << grid.torus() << std::endl;
1722
1723 for (typename YaspGrid<d,CC>::YGridLevelIterator g=grid.begin(); g!=grid.end(); ++g)
1724 {
1725 s << "[" << rank << "]: " << std::endl;
1726 s << "[" << rank << "]: " << "==========================================" << std::endl;
1727 s << "[" << rank << "]: " << "level=" << g->level() << std::endl;
1728
1729 for (int codim = 0; codim < d + 1; ++codim)
1730 {
1731 s << "[" << rank << "]: " << "overlapfront[" << codim << "]: " << g->overlapfront[codim] << std::endl;
1732 s << "[" << rank << "]: " << "overlap[" << codim << "]: " << g->overlap[codim] << std::endl;
1733 s << "[" << rank << "]: " << "interiorborder[" << codim << "]: " << g->interiorborder[codim] << std::endl;
1734 s << "[" << rank << "]: " << "interior[" << codim << "]: " << g->interior[codim] << std::endl;
1735
1736 typedef typename YGridList<CC>::Iterator I;
1737 for (I i=g->send_overlapfront_overlapfront[codim].begin();
1738 i!=g->send_overlapfront_overlapfront[codim].end(); ++i)
1739 s << "[" << rank << "]: " << " s_of_of[" << codim << "] to rank "
1740 << i->rank << " " << i->grid << std::endl;
1741
1742 for (I i=g->recv_overlapfront_overlapfront[codim].begin();
1743 i!=g->recv_overlapfront_overlapfront[codim].end(); ++i)
1744 s << "[" << rank << "]: " << " r_of_of[" << codim << "] to rank "
1745 << i->rank << " " << i->grid << std::endl;
1746
1747 for (I i=g->send_overlap_overlapfront[codim].begin();
1748 i!=g->send_overlap_overlapfront[codim].end(); ++i)
1749 s << "[" << rank << "]: " << " s_o_of[" << codim << "] to rank "
1750 << i->rank << " " << i->grid << std::endl;
1751
1752 for (I i=g->recv_overlapfront_overlap[codim].begin();
1753 i!=g->recv_overlapfront_overlap[codim].end(); ++i)
1754 s << "[" << rank << "]: " << " r_of_o[" << codim << "] to rank "
1755 << i->rank << " " << i->grid << std::endl;
1756
1757 for (I i=g->send_interiorborder_interiorborder[codim].begin();
1758 i!=g->send_interiorborder_interiorborder[codim].end(); ++i)
1759 s << "[" << rank << "]: " << " s_ib_ib[" << codim << "] to rank "
1760 << i->rank << " " << i->grid << std::endl;
1761
1762 for (I i=g->recv_interiorborder_interiorborder[codim].begin();
1763 i!=g->recv_interiorborder_interiorborder[codim].end(); ++i)
1764 s << "[" << rank << "]: " << " r_ib_ib[" << codim << "] to rank "
1765 << i->rank << " " << i->grid << std::endl;
1766
1767 for (I i=g->send_interiorborder_overlapfront[codim].begin();
1768 i!=g->send_interiorborder_overlapfront[codim].end(); ++i)
1769 s << "[" << rank << "]: " << " s_ib_of[" << codim << "] to rank "
1770 << i->rank << " " << i->grid << std::endl;
1771
1772 for (I i=g->recv_overlapfront_interiorborder[codim].begin();
1773 i!=g->recv_overlapfront_interiorborder[codim].end(); ++i)
1774 s << "[" << rank << "]: " << " r_of_ib[" << codim << "] to rank "
1775 << i->rank << " " << i->grid << std::endl;
1776 }
1777 }
1778
1779 s << std::endl;
1780
1781 return s;
1782 }
1783
1784 namespace Capabilities
1785 {
1786
1794 template<int dim, class Coordinates>
1795 struct hasBackupRestoreFacilities< YaspGrid<dim, Coordinates> >
1796 {
1797 static const bool v = true;
1798 };
1799
1803 template<int dim, class Coordinates>
1804 struct hasSingleGeometryType< YaspGrid<dim, Coordinates> >
1805 {
1806 static const bool v = true;
1807 static const unsigned int topologyId = Impl::CubeTopology< dim >::type::id;
1808 };
1809
1813 template<int dim, class Coordinates>
1814 struct isCartesian< YaspGrid<dim, Coordinates> >
1815 {
1816 static const bool v = true;
1817 };
1818
1822 template<int dim, class Coordinates, int codim>
1823 struct hasEntity< YaspGrid<dim, Coordinates>, codim>
1824 {
1825 static const bool v = true;
1826 };
1827
1831 template<int dim, int codim, class Coordinates>
1832 struct canCommunicate< YaspGrid< dim, Coordinates>, codim >
1833 {
1834 static const bool v = true;
1835 };
1836
1840 template<int dim, class Coordinates>
1841 struct isLevelwiseConforming< YaspGrid<dim, Coordinates> >
1842 {
1843 static const bool v = true;
1844 };
1845
1849 template<int dim, class Coordinates>
1850 struct isLeafwiseConforming< YaspGrid<dim, Coordinates> >
1851 {
1852 static const bool v = true;
1853 };
1854
1855 }
1856
1857} // end namespace
1858
1859// Include the specialization of the StructuredGridFactory class for YaspGrid
1861// Include the specialization of the BackupRestoreFacility class for YaspGrid
1862#include <dune/grid/yaspgrid/backuprestore.hh>
1863
1864#endif
A geometry implementation for axis-aligned hypercubes.
Portable very large unsigned integers.
Specialization of CollectiveCommunication for MPI.
Definition: mpicollectivecommunication.hh:146
T max(T &in) const
Compute the maximum of the argument over all processes and return the result in every process....
Definition: mpicollectivecommunication.hh:228
CommDataHandleIF describes the features of a data handle for communication in parallel runs using the...
Definition: datahandleif.hh:73
Wrapper class for entities.
Definition: entity.hh:65
Container for equidistant coordinates in a YaspGrid.
Definition: coordinates.hh:27
Container for equidistant coordinates in a YaspGrid with non-trivial origin.
Definition: coordinates.hh:125
Unique label for each type of entities that can occur in DUNE grids.
Definition: type.hh:268
unsigned int dim() const
Return dimension of the type.
Definition: type.hh:565
bool isCube() const
Return true if entity is a cube of any dimension.
Definition: type.hh:555
Definition: grid.hh:920
static std::conditional< std::is_reference< InterfaceType >::value, typenamestd::add_lvalue_reference< typenameReturnImplementationType< typenamestd::remove_reference< InterfaceType >::type >::ImplementationType >::type, typenamestd::remove_const< typenameReturnImplementationType< typenamestd::remove_reference< InterfaceType >::type >::ImplementationType >::type >::type getRealImplementation(InterfaceType &&i)
return real implementation of interface class
Definition: grid.hh:1115
Base class for exceptions in Dune grid modules.
Definition: exceptions.hh:18
GridFamily::Traits::CollectiveCommunication CollectiveCommunication
A type that is a model of Dune::CollectiveCommunication. It provides a portable way for collective co...
Definition: grid.hh:519
Intersection of a mesh entity of codimension 0 ("element") with a "neighboring" element or with the d...
Definition: intersection.hh:162
A Vector class with statically reserved memory.
Definition: reservedvector.hh:40
size_type size() const
Returns number of elements in the vector.
Definition: reservedvector.hh:173
void resize(size_t s)
Specifies a new size for the vector.
Definition: reservedvector.hh:87
reference back()
Returns reference to last element of vector.
Definition: reservedvector.hh:155
void pop_back()
Erases the last element of the vector, O(1) time.
Definition: reservedvector.hh:101
Coordinate container for a tensor product YaspGrid.
Definition: coordinates.hh:234
Definition: torus.hh:279
Definition: torus.hh:43
Definition: ygrid.hh:72
YGridComponent< Coordinates > move(iTupel v) const
return grid moved by the vector v
Definition: ygrid.hh:260
YGridComponent< Coordinates > intersection(const YGridComponent< Coordinates > &r) const
Return YGridComponent of supergrid of self which is the intersection of self and another YGridCompone...
Definition: ygrid.hh:268
implements a collection of multiple std::deque<Intersection> Intersections with neighboring processor...
Definition: ygrid.hh:821
int size() const
return the size of the container, this is the sum of the sizes of all deques
Definition: ygrid.hh:951
Iterator end() const
return iterator pointing to the end of the container
Definition: ygrid.hh:927
Iterator begin() const
return iterator pointing to the begin of the container
Definition: ygrid.hh:921
Iterator over a collection o YGrids A YGrid::Iterator is the heart of an entity in YaspGrid.
Definition: ygrid.hh:591
implements a collection of YGridComponents which form a codimension Entities of given codimension c n...
Definition: ygrid.hh:548
Implement the default load balance strategy of yaspgrid.
Definition: partitioning.hh:35
a base class for the yaspgrid partitioning strategy The name might be irritating. It will probably ch...
Definition: partitioning.hh:24
A pointer to a YaspGrid::Entity.
Definition: yaspgridentitypointer.hh:16
persistent, globally unique Ids
Definition: yaspgrididset.hh:23
[ provides Dune::Grid ]
Definition: yaspgrid.hh:165
YaspGridFamily< dim, Coordinates > GridFamily
the GridFamily of this grid
Definition: yaspgrid.hh:720
int ghostSize(int level, int codim) const
return size (= distance in graph) of ghost region
Definition: yaspgrid.hh:1249
YaspGrid(std::array< std::vector< ctype >, dim > coords, std::bitset< dim > periodic=std::bitset< dim >(0ULL), int overlap=1, CollectiveCommunicationType comm=CollectiveCommunicationType(), const YLoadBalance< dim > *lb=defaultLoadbalancer())
Standard constructor for a tensorproduct YaspGrid.
Definition: yaspgrid.hh:877
Traits::template Codim< cd >::template Partition< All_Partition >::LevelIterator lbegin(int level) const
version without second template parameter for convenience
Definition: yaspgrid.hh:1179
int size(int level, GeometryType type) const
number of entities per level and geometry type in this process
Definition: yaspgrid.hh:1281
Traits::template Codim< cd >::template Partition< All_Partition >::LeafIterator leafbegin() const
return LeafIterator which points to the first entity in maxLevel
Definition: yaspgrid.hh:1207
void globalRefine(int refCount)
refine the grid refCount times.
Definition: yaspgrid.hh:1052
const Torus< CollectiveCommunicationType, dim > & torus() const
return reference to torus
Definition: yaspgrid.hh:249
int getMark(const typename Traits::template Codim< 0 >::Entity &e) const
returns adaptation mark for given entity
Definition: yaspgrid.hh:1136
int ghostSize(int codim) const
return size (= distance in graph) of ghost region
Definition: yaspgrid.hh:1255
int overlapSize(int codim) const
return size (= distance in graph) of overlap region
Definition: yaspgrid.hh:1242
int globalSize(int i) const
return number of cells on finest level in given direction on all processors
Definition: yaspgrid.hh:255
Traits::template Codim< cd >::template Partition< pitype >::LeafIterator leafend() const
return LeafIterator which points behind the last entity in maxLevel
Definition: yaspgrid.hh:1200
void postAdapt()
clean up some markers
Definition: yaspgrid.hh:1157
const Dune::FieldVector< ctype, dim > & domainSize() const
returns the size of the physical domain
Definition: yaspgrid.hh:1299
YGridLevelIterator end() const
return iterator pointing to one past the finest level
Definition: yaspgrid.hh:310
int size(GeometryType type) const
number of leaf entities per geometry type in this process
Definition: yaspgrid.hh:1287
YaspGrid(Dune::FieldVector< ctype, dim > lowerleft, Dune::FieldVector< ctype, dim > upperright, std::array< int, dim > s, std::bitset< dim > periodic=std::bitset< dim >(0ULL), int overlap=1, CollectiveCommunicationType comm=CollectiveCommunicationType(), const YLoadBalance< dim > *lb=defaultLoadbalancer())
Definition: yaspgrid.hh:805
int maxLevel() const
Definition: yaspgrid.hh:1046
Traits::template Codim< cd >::template Partition< All_Partition >::LeafIterator leafend() const
return LeafIterator which points behind the last entity in maxLevel
Definition: yaspgrid.hh:1214
void communicate(CommDataHandleIF< DataHandleImp, DataType > &data, InterfaceType iftype, CommunicationDirection dir, int level) const
Definition: yaspgrid.hh:1308
void intersections(const YGridComponent< Coordinates > &sendgrid, const YGridComponent< Coordinates > &recvgrid, std::deque< Intersection > &sendlist, std::deque< Intersection > &recvlist)
Construct list of intersections with neighboring processors.
Definition: yaspgrid.hh:563
Traits::template Codim< cd >::template Partition< pitype >::LeafIterator leafbegin() const
return LeafIterator which points to the first entity in maxLevel
Definition: yaspgrid.hh:1193
bool preAdapt()
returns true, if the grid will be coarsened
Definition: yaspgrid.hh:1149
iTupel levelSize(int l) const
return size vector of the grid (in cells) on level l
Definition: yaspgrid.hh:273
bool mark(int refCount, const typename Traits::template Codim< 0 >::Entity &e)
Marks an entity to be refined/coarsened in a subsequent adapt.
Definition: yaspgrid.hh:1122
int overlapSize(int level, int codim) const
return size (= distance in graph) of overlap region
Definition: yaspgrid.hh:1235
const CollectiveCommunicationType & comm() const
return a collective communication object
Definition: yaspgrid.hh:1593
void communicate(CommDataHandleIF< DataHandleImp, DataType > &data, InterfaceType iftype, CommunicationDirection dir) const
Definition: yaspgrid.hh:1318
int size(int codim) const
number of leaf entities per codim in this process
Definition: yaspgrid.hh:1275
bool isPeriodic(int i) const
return whether the grid is periodic in direction i
Definition: yaspgrid.hh:282
void refineOptions(bool keepPhysicalOverlap)
set options for refinement
Definition: yaspgrid.hh:1106
YaspGrid(Dune::FieldVector< ctype, dim > L, std::array< int, dim > s, std::bitset< dim > periodic=std::bitset< dim >(0ULL), int overlap=1, CollectiveCommunicationType comm=CollectiveCommunicationType(), const YLoadBalance< dim > *lb=defaultLoadbalancer())
Definition: yaspgrid.hh:737
int size(int level, int codim) const
number of entities per level and codim in this process
Definition: yaspgrid.hh:1261
bool adapt()
map adapt to global refine
Definition: yaspgrid.hh:1142
Traits::template Codim< cd >::template Partition< All_Partition >::LevelIterator lend(int level) const
version without second template parameter for convenience
Definition: yaspgrid.hh:1186
ReservedVector< YGridLevel, 32 >::const_iterator YGridLevelIterator
Iterator over the grid levels.
Definition: yaspgrid.hh:293
size_t numBoundarySegments() const
returns the number of boundary segments within the macro grid
Definition: yaspgrid.hh:1293
void communicateCodim(DataHandle &data, InterfaceType iftype, CommunicationDirection dir, int level) const
Definition: yaspgrid.hh:1328
void makelevel(const Coordinates &coords, std::bitset< dim > periodic, iTupel o_interior, int overlap)
Make a new YGridLevel structure.
Definition: yaspgrid.hh:330
Traits::template Codim< cd >::template Partition< pitype >::LevelIterator lend(int level) const
Iterator to one past the last entity of given codim on level for partition type.
Definition: yaspgrid.hh:1172
Traits::template Codim< cd >::template Partition< pitype >::LevelIterator lbegin(int level) const
one past the end on this level
Definition: yaspgrid.hh:1165
iTupel globalSize() const
return number of cells on finest level on all processors
Definition: yaspgrid.hh:261
YGridLevelIterator begin(int i) const
return iterator pointing to given level
Definition: yaspgrid.hh:302
Coordinates::ctype ctype
Type used for coordinates.
Definition: yaspgrid.hh:179
int levelSize(int l, int i) const
return size of the grid (in cells) on level l in direction i
Definition: yaspgrid.hh:267
YGridLevelIterator begin() const
return iterator pointing to coarsest level
Definition: yaspgrid.hh:296
YaspHierarchicIterator enables iteration over son entities of codim 0.
Definition: yaspgridhierarchiciterator.hh:19
Implementation of Level- and LeafIndexSets for YaspGrid.
Definition: yaspgridindexsets.hh:23
YaspIntersectionIterator enables iteration over intersections with neighboring codim 0 entities.
Definition: yaspgridintersectioniterator.hh:20
YaspIntersection provides data about intersection with neighboring codim 0 entities.
Definition: yaspgridintersection.hh:20
Iterates over entities of one grid level.
Definition: yaspgridleveliterator.hh:18
implement a consecutive index for all entities of given codim of a YaspGrid
Definition: yaspgridpersistentcontainer.hh:33
Implements an utility class that provides collective communication methods for sequential programs.
A set of traits classes to store static information about grid implementation.
Different resources needed by all grid implementations.
This provides container classes for the coordinates to be used in YaspGrid Upon implementation of the...
Describes the parallel communication interface class for MessageBuffers and DataHandles.
Definition of the DUNE_DEPRECATED macro for the case that config.h is not available.
#define DUNE_THROW(E, m)
Definition: exceptions.hh:216
CommunicationDirection
Define a type for communication direction parameter.
Definition: gridenums.hh:168
InterfaceType
Parameter to be used for the communication functions.
Definition: gridenums.hh:84
@ All_Partition
all entities
Definition: gridenums.hh:139
@ Interior_Partition
only interior entities
Definition: gridenums.hh:135
@ InteriorBorder_Partition
interior and border entities
Definition: gridenums.hh:136
@ Overlap_Partition
interior, border, and overlap entities
Definition: gridenums.hh:137
@ Ghost_Partition
only ghost entities
Definition: gridenums.hh:140
@ BackwardCommunication
reverse communication direction
Definition: gridenums.hh:170
@ InteriorBorder_All_Interface
send interior and border, receive all entities
Definition: gridenums.hh:86
@ All_All_Interface
send all and receive all entities
Definition: gridenums.hh:89
@ Overlap_All_Interface
send overlap, receive all entities
Definition: gridenums.hh:88
@ Overlap_OverlapFront_Interface
send overlap, receive overlap and front entities
Definition: gridenums.hh:87
@ InteriorBorder_InteriorBorder_Interface
send/receive interior and border entities
Definition: gridenums.hh:85
Provides base classes for index and id sets.
Implements an utility class that provides MPI's collective communication methods.
Helpers for dealing with MPI.
Dune namespace.
Definition: alignment.hh:11
Various implementations of the power function for run-time and static arguments.
An stl-compliant random-access container which stores everything on the stack.
specialize with 'true' for all codims that a grid can communicate data on (default=false)
Definition: capabilities.hh:69
Specialize with 'true' for all codims that a grid implements entities for. (default=false)
Definition: capabilities.hh:56
Specialize with 'true' for if the codimension 0 entity of the grid has only one possible geometry typ...
Definition: capabilities.hh:25
Specialize with 'true' if the grid is a Cartesian grid. Cartesian grids satisfy the following propert...
Definition: capabilities.hh:46
Specialize with 'true' if implementation guarantees a conforming leaf grid. (default=false)
Definition: capabilities.hh:87
Specialize with 'true' if implementation guarantees conforming level grids. (default=false)
Definition: capabilities.hh:78
Static tag representing a codimension.
Definition: dimension.hh:22
A traits struct that collects all associated types of one grid model.
Definition: grid.hh:1153
IdSet< const GridImp, LocalIdSetImp, LIDType > LocalIdSet
The type of the local id set.
Definition: grid.hh:1226
IdSet< const GridImp, GlobalIdSetImp, GIDType > GlobalIdSet
The type of the global id set.
Definition: grid.hh:1224
IndexSet< const GridImp, LeafIndexSetImp > LeafIndexSet
The type of the leaf index set.
Definition: grid.hh:1222
IndexSet< const GridImp, LevelIndexSetImp > LevelIndexSet
The type of the level index set.
Definition: grid.hh:1220
Calculates m^p at compile time.
Definition: power.hh:20
type describing an intersection with a neighboring processor
Definition: ygrid.hh:827
Specialization of the StructuredGridFactory class for YaspGrid.
This file provides the infrastructure for toroidal communication in YaspGrid.
A unique label for each type of element that can occur in a grid.
Traits for type conversions and type information.
the YaspEntity class and its specializations
The YaspEntityPointer class.
The YaspEntitySeed class.
The YaspGeometry class and its specializations.
level-wise, non-persistent, consecutive indices for YaspGrid
The YaspIntersection class.
The YaspIntersectionIterator class.
The YaspLevelIterator class.
Specialization of the PersistentContainer for YaspGrid.
This provides a YGrid, the elemental component of the yaspgrid implementation.
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