3 #ifndef DUNE_GRID_YASPGRID_YGRID_HH
4 #define DUNE_GRID_YASPGRID_YGRID_HH
10 #include <dune/common/array.hh>
11 #include <dune/common/fvector.hh>
12 #include <dune/common/power.hh>
25 template<
int d,
typename ct>
26 Dune::array<int,d>
sizeArray(
const Dune::array<std::vector<ct>,d>& v)
28 Dune::array<int,d> tmp;
29 for (
int i=0; i<d; ++i)
30 tmp[i] = v[i].size() - 1;
70 template<
class Coordinates>
75 typedef typename Coordinates::ctype
ct;
76 static const int d = Coordinates::dimension;
84 std::fill(_origin.begin(), _origin.end(), 0);
85 std::fill(_offset.begin(), _offset.end(), 0);
86 std::fill(_size.begin(), _size.end(), 0);
97 : _origin(origin), _size(size)
106 : _origin(origin), _shift(enclosing.
shift()), _coords(enclosing.
getCoords()), _size(size), _supersize(enclosing.
supersize())
108 for (
int i=0; i<
d; i++)
109 _offset[i] = origin[i] - enclosing.
origin(i) + enclosing.
offset(i);
113 for (
int i=0; i<
d; ++i)
115 _superincrement[i] = inc;
116 inc *= _supersize[i];
129 : _origin(origin), _shift(shift), _coords(coords), _size(size), _offset(offset), _supersize(supersize)
133 for (
int i=0; i<
d; ++i)
135 _superincrement[i] = inc;
136 inc *= _supersize[i];
159 const std::bitset<d>&
shift ()
const
184 return _supersize[i];
209 for (
int i=0; i<
d; ++i)
223 return _origin[i] +
size(i) - 1;
229 for (
int i=0; i<
d; ++i)
240 for (
int i=0; i<
d; i++)
242 if ((coord[i]<_origin[i]) || (coord[i]>=_origin[i]+_size[i]))
249 int index (
const iTupel& coord)
const
251 int index = (coord[d-1]-_origin[d-1]);
253 for (
int i=d-2; i>=0; i--)
254 index = index*_size[i] + (coord[i]-_origin[i]);
262 for (
int i=0; i<
d; i++)
270 for (
int i=0; i<
d; i++)
279 for (
int i=0; i<
d; ++i)
317 for (
int i=0; i<
d; ++i)
322 for (
int i=0; i<
d; ++i)
368 for (
int i = 0; i <
d; ++i)
378 for (
int i=0; i<
d; i++)
392 for (
int i=0; i<
d; i++)
402 return _grid->getCoords()->coordinate(i,
_coord[i]);
409 for (
int i=0; i<
d; i++)
420 return _grid->getCoords()->coordinate(i,coord);
427 for (
int i=0; i<
d; i++)
442 for (
int i=0; i<
d; i++)
449 return _grid->shift(i);
454 return _grid->shift();
459 return _grid->getCoords();
473 for (
int i=0; i<
d; ++i)
474 si += (
offset(i)+coord[i]-
origin(i))*_superincrement[i];
480 return _superincrement[i];
499 for (
int i=0; i<
d; i++)
507 std::bitset<d> _shift;
508 Coordinates* _coords;
512 iTupel _superincrement;
518 template <
class Coordinates>
519 inline std::ostream& operator<< (std::ostream& s, YGridComponent<Coordinates> e)
521 s <<
"Printing YGridComponent structure:" << std::endl;
522 s <<
"Origin: " << e.origin() << std::endl;
523 s <<
"Shift: " << e.shift() << std::endl;
524 s <<
"Size: " << e.size() << std::endl;
525 s <<
"Offset: " << e.offset() << std::endl;
526 s <<
"Supersize: " << e.supersize() << std::endl;
531 template <
class Coordinates>
532 inline std::ostream& operator<< (std::ostream& s, typename YGridComponent<Coordinates>::Iterator& e)
534 s <<
"Printing YGridComponent Iterator:" << std::endl <<
"Iterator at " << e.coord() <<
" (index ";
535 s << e.index() <<
"), position " << e.position();
546 template<
class Coordinates>
550 static const int dim = Coordinates::dimension;
555 typedef typename Dune::array<int, dim>
iTupel;
566 return _shiftmapping[shift.to_ulong()];
582 bool inside(
const iTupel& coord,
const std::bitset<dim>& shift = std::bitset<dim>())
const
584 return (_begin+_shiftmapping[shift.to_ulong()])->
inside(coord);
600 : _which(
which), _yg(&yg)
610 _it = _yg->_itends.back();
611 _which = _yg->_itends.size() - 1;
615 _it = _yg->_itbegins[0];
635 const Dune::array<int, dim>&
coord ()
const
645 Dune::FieldVector<typename Coordinates::ctype,dim>
lowerleft()
const
655 Dune::FieldVector<typename Coordinates::ctype,dim>
upperright()
const
667 Dune::FieldVector<typename Coordinates::ctype,dim>
meshsize()
const
688 return _yg->_indexOffset[_which] + _it.
superindex();
694 if ((++_it == _yg->_itends[_which]) && (_which < _yg->_itends.size()-1))
695 _it = _yg->_itbegins[++_which];
702 if (_which != i._which)
712 return _which != i._which;
753 return Iterator(*
this, coord, which);
774 _indexOffset.push_back(artificialOffset);
776 for (DAI i=_begin; i != _end; ++i, ++k)
779 _itbegins.push_back(i->begin());
780 _itends.push_back(i->end());
783 _indexOffset.push_back(_indexOffset.back() + i->totalsize());
786 _shiftmapping[i->shift().to_ulong()] = k;
788 _indexOffset.resize(_itends.size());
796 Dune::array<int,StaticPower<2,dim>::power> _shiftmapping;
797 std::vector<typename YGridComponent<Coordinates>::Iterator> _itbegins;
798 std::vector<typename YGridComponent<Coordinates>::Iterator> _itends;
799 std::vector<int> _indexOffset;
803 template <class Coordinates>
804 inline std::ostream& operator<< (std::ostream& s, const YGrid<Coordinates>& e)
806 s << "Printing YGrid structure:" << std::endl;
807 for (auto it = e.dataBegin(); it != e.dataEnd(); ++it)
808 s << *it << std::endl;
819 template<class Coordinates>
823 static const int dim = Coordinates::dimension;
829 YGridComponent<Coordinates> grid;
835 YGrid<Coordinates> yg;
839 typedef typename Dune::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator DAI;
848 Iterator(const YGridList<Coordinates>& ygl, bool end=false) : _end(ygl.dataEnd()), _which(ygl.dataBegin())
850 _it = _which->begin();
854 while ((_which != _end) && (_it == _which->end()))
858 _it = _which->begin();
868 Iterator& operator++ ()
873 while ((_which != _end) && (_it == _which->end()))
877 _it = _which->begin();
883 typename std::deque<Intersection>::iterator operator->() const
889 typename std::deque<Intersection>::iterator operator*() const
895 bool operator== (const Iterator& i) const
897 if (_which != i._which)
905 bool operator!= (const Iterator& i) const
907 if (_which != i._which)
915 typename std::deque<Intersection>::iterator _it;
921 Iterator begin() const
923 return Iterator(*this);
929 return Iterator(*this,true);
933 void setBegin(typename Dune::array<std::deque<Intersection>, StaticPower<2,dim>::power>::iterator begin)
939 DAI dataBegin() const
954 for (DAI it = _begin; it != _end; ++it)
960 void finalize(DAI end, const YGrid<Coordinates>& ygrid)
980 while (i != _end && i->begin() == i->end())
983 for (auto yit = ygrid.dataBegin(); yit != ygrid.dataEnd(); ++yit)
987 auto it = i->
begin();
988 if (it->grid.shift() == yit->shift())
991 for (; it != i->end(); ++it)
993 it->yg.setBegin(&(it->grid));
994 it->yg.finalize(&(it->grid)+1, offset);
999 while (i != _end && i->begin() == i->end())
1005 for (
int j=0; j<
dim; j++)
1006 add *= yit->supersize(j);
void reinit(const YGrid< Coordinates > &yg, const Dune::array< int, dim > &coords, int which=0)
reinitializes an iterator, as if it was just constructed.
Definition: ygrid.hh:621
const Dune::array< int, dim > & coord() const
return coordinate array at the current postion
Definition: ygrid.hh:635
int totalsize() const
Return total size of index set which is the product of all size per direction.
Definition: ygrid.hh:206
bool operator!=(const Iterator &i) const
compare two iterators: component has to match
Definition: ygrid.hh:708
Dune::FieldVector< typename Coordinates::ctype, dim > meshsize() const
return the current meshsize vector
Definition: ygrid.hh:667
Dune::array< int, d > sizeArray(const Dune::array< std::vector< ct >, d > &v)
Definition: ygrid.hh:26
bool empty() const
Return true if YGrid is empty, i.e. has size 0 in all directions.
Definition: ygrid.hh:227
Iterator(const YGrid< Coordinates > &yg, bool end=false)
create an iterator to start or end of the codimension
Definition: ygrid.hh:606
YGridComponent< Coordinates > move(iTupel v) const
return grid moved by the vector v
Definition: ygrid.hh:260
int max(int i) const
Return maximum index in direction i.
Definition: ygrid.hh:221
Iterator begin() const
return begin iterator for the codimension and partition the ygrid represents
Definition: ygrid.hh:745
bool shift(int i) const
return the shift in direction i
Definition: ygrid.hh:673
int min(const DofVectorPointer< int > &dofVector)
Definition: dofvector.hh:346
fTupel lowerleft() const
Return lower left corner of the entity associated with the current coordinates and shift...
Definition: ygrid.hh:406
bool inside(const iTupel &coord, const std::bitset< dim > &shift=std::bitset< dim >()) const
decide whether a coordinate is in the grid (depending on the component)
Definition: ygrid.hh:582
static double dist(const double *x, const double *y)
Definition: ghmesh.cc:149
void move(const iTupel &dist)
Definition: ygrid.hh:727
Iterator & operator++()
increment to the next entity jumping to next component if necessary
Definition: ygrid.hh:692
Iterator begin() const
return iterator to first element of index set
Definition: ygrid.hh:484
fTupel upperright() const
Return upper right corder of the entity associated with the current coordinates and shift...
Definition: ygrid.hh:424
YGridComponent< Coordinates > * DAI
Definition: ygrid.hh:553
Iterator()
Definition: ygrid.hh:298
YGridComponent(iTupel origin, iTupel size, const YGridComponent< Coordinates > &enclosing)
make a subgrid by taking coordinates from a larger grid
Definition: ygrid.hh:105
Iterator end() const
return subiterator to last element of index set
Definition: ygrid.hh:496
int _superindex
consecutive index in enclosing grid
Definition: ygrid.hh:464
int index(const iTupel &coord) const
given a tupel compute its index in the lexicographic numbering
Definition: ygrid.hh:249
DAI dataBegin() const
get start iterator in the data array
Definition: ygrid.hh:570
std::bitset< d > shift() const
Definition: ygrid.hh:452
void move(int i, int dist)
move this iterator dist cells in direction i
Definition: ygrid.hh:359
const iTupel & offset() const
Return offset to origin of enclosing grid.
Definition: ygrid.hh:176
Dune::array< int, dim > iTupel
Definition: ygrid.hh:555
static const int dim
Definition: ygrid.hh:550
Dune::array< int, d > iTupel
Definition: ygrid.hh:78
int superindex() const
Return consecutive index in enclosing grid.
Definition: ygrid.hh:341
static const int d
Definition: ygrid.hh:76
ct lowerleft(int i) const
Return ith component of lower left corner of the entity associated with the current coordinates and s...
Definition: ygrid.hh:400
Iterator begin(const Dune::array< int, dim > &coord, int which=0) const
return iterator pointint to a specified position
Definition: ygrid.hh:751
int origin(int i) const
Return origin in direction i.
Definition: ygrid.hh:141
int max(const DofVectorPointer< int > &dofVector)
Definition: dofvector.hh:335
Coordinates * getCoords() const
Definition: ygrid.hh:164
DAI dataEnd() const
get end iterator in the data array
Definition: ygrid.hh:576
Iterator begin(const iTupel &co) const
return iterator to given element of index set
Definition: ygrid.hh:490
int supersize(int i) const
return size of enclosing grid
Definition: ygrid.hh:182
void finalize(const DAI &end, int artificialOffset=0)
Definition: ygrid.hh:769
int size(int i) const
return size in direction i
Definition: ygrid.hh:194
Iterator end() const
return end iterator for the codimension and partition the ygrid represents
Definition: ygrid.hh:757
int superindex(const iTupel &coord, int which) const
Definition: ygrid.hh:762
const std::bitset< d > & shift() const
Return shift tupel.
Definition: ygrid.hh:159
int superindex(iTupel coord) const
Definition: ygrid.hh:469
fTupel meshsize() const
Return meshsize of current cell as reference.
Definition: ygrid.hh:439
bool operator==(const Iterator &i) const
Return true when two iterators over the same grid are equal (!).
Definition: ygrid.hh:329
void setBegin(DAI begin)
set start iterator in the data array
Definition: ygrid.hh:558
int which() const
return the current component number
Definition: ygrid.hh:716
YGridComponent()
make uninitialized ygrid
Definition: ygrid.hh:82
Iterator(const YGridComponent< Coordinates > &r, const iTupel &coord)
Make iterator pointing to given cell in a grid.
Definition: ygrid.hh:308
int coord(int i) const
return coordinate at the current position (direction i)
Definition: ygrid.hh:629
Iterator(const YGridComponent< Coordinates > &r)
Make iterator pointing to first cell in a grid.
Definition: ygrid.hh:301
bool inside(const iTupel &coord) const
given a coordinate, return true if it is in the grid
Definition: ygrid.hh:238
std::bitset< dim > shift() const
return the shift vector
Definition: ygrid.hh:679
bool shift(int i) const
Return shift in direction i.
Definition: ygrid.hh:153
Iterator & operator++()
Increment iterator to next cell with position.
Definition: ygrid.hh:376
Iterator()
default constructor
Definition: ygrid.hh:595
YGridComponent(iTupel origin, std::bitset< d > shift, Coordinates *coords, iTupel size, iTupel offset, iTupel supersize)
Make YGridComponent by giving all parameters.
Definition: ygrid.hh:128
FieldVector< ct, d > fTupel
Definition: ygrid.hh:79
int superincrement(int i) const
Definition: ygrid.hh:478
int min(int i) const
Return minimum index in direction i.
Definition: ygrid.hh:215
bool operator==(const Iterator &i) const
compare two iterators: component has to match
Definition: ygrid.hh:700
bool shift(int i) const
Definition: ygrid.hh:447
Dune::FieldVector< typename Coordinates::ctype, dim > lowerleft() const
Definition: ygrid.hh:645
Dune::FieldVector< typename Coordinates::ctype, dim > upperright() const
Definition: ygrid.hh:655
YGridComponent(iTupel origin, iTupel size)
make ygrid without coordinate information
Definition: ygrid.hh:96
ct meshsize(int i) const
Return meshsize in direction i.
Definition: ygrid.hh:433
Coordinates::ctype lowerleft(int i) const
Definition: ygrid.hh:640
const iTupel & coord() const
Return coordinate of the cell as reference (do not modify).
Definition: ygrid.hh:353
Iterator over a collection o YGrids A YGrid::Iterator is the heart of an entity in YaspGrid...
Definition: ygrid.hh:590
int superindex() const
return the superindex
Definition: ygrid.hh:685
ct upperright(int i) const
Return ith component of upper right corder of the entity associated with the current coordinates and ...
Definition: ygrid.hh:415
int coord(int i) const
Return coordinate of the cell in direction i.
Definition: ygrid.hh:347
const iTupel & origin() const
return reference to origin
Definition: ygrid.hh:147
int offset(int i) const
Return offset to origin of enclosing grid.
Definition: ygrid.hh:170
Coordinates::ctype upperright(int i) const
Definition: ygrid.hh:650
void move(int i, int dist)
move the grid, this is only done and needed for codim 0
Definition: ygrid.hh:722
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
void move(const iTupel &dist)
move this iterator dist cells in direction i
Definition: ygrid.hh:366
Coordinates * coordCont() const
Definition: ygrid.hh:457
bool operator!=(const Iterator &i) const
Return true when two iterators over the same grid are not equal (!).
Definition: ygrid.hh:335
iTupel size() const
retrun size
Definition: ygrid.hh:200
Include standard header files.
Definition: agrid.hh:59
Iterator(const YGrid< Coordinates > &yg, const Dune::array< int, dim > &coords, int which=0)
construct an iterator from coordinates and component
Definition: ygrid.hh:599
const iTupel & supersize() const
return size of enclosing grid
Definition: ygrid.hh:188
int shiftmapping(const std::bitset< dim > &shift) const
get which component belongs to a given shift vector
Definition: ygrid.hh:564
Coordinates * coordCont() const
Definition: ygrid.hh:732
Coordinates::ctype meshsize(int i) const
return the current meshsize in direction i
Definition: ygrid.hh:661
void reinit(const YGridComponent< Coordinates > &r, const iTupel &coord)
reinitialize iterator to given position
Definition: ygrid.hh:314
Coordinates::ctype ct
Definition: ygrid.hh:75
iTupel _coord
current position in index set
Definition: ygrid.hh:463
const YGridComponent< Coordinates > * _grid
Definition: ygrid.hh:465
implements a collection of YGridComponents which form a codimension Entities of given codimension c n...
Definition: ygrid.hh:547