3 #ifndef DUNE_GEOGRID_GEOMETRY_HH
4 #define DUNE_GEOGRID_GEOMETRY_HH
8 #include <dune/common/nullptr.hh>
9 #include <dune/common/typetraits.hh>
11 #include <dune/geometry/referenceelements.hh>
12 #include <dune/geometry/multilineargeometry.hh>
26 template<
class hasSingleGeometryType,
int dim,
int mydim >
30 static const unsigned int id = hasSingleGeometryType::topologyId;
31 static const unsigned int idMask = (1u << mydim) - 1u;
34 static const bool v = hasSingleGeometryType::v && ((mydim == dim) || ((
id | 1u) == 1u) || ((
id | 1u) == idMask));
35 static const unsigned int topologyId = (v ?
id & idMask : ~0u);
38 template<
class hasSingleGeometryType,
int dim >
41 static const bool v =
true;
42 static const unsigned int topologyId = GenericGeometry::CubeTopology< 1 >::type::id;
45 template<
class hasSingleGeometryType,
int dim >
48 static const bool v =
true;
49 static const unsigned int topologyId = GenericGeometry::CubeTopology< 0 >::type::id;
57 template<
class Gr
id >
60 typedef typename remove_const< Grid >::type::Traits
Traits;
62 typedef typename Traits::ctype
ctype;
64 typedef GenericGeometry::MatrixHelper< GenericGeometry::DuneCoordTraits< ctype > >
MatrixHelper;
66 static ctype
tolerance () {
return 16 * std::numeric_limits< ctype >::epsilon(); }
68 template<
int mydim,
int cdim >
85 template<
int mydim,
int cdim,
class Gr
id >
90 typedef typename remove_const< Grid >::type::Traits Traits;
92 template<
int,
int,
class >
friend class Geometry;
95 typedef typename Traits::ctype
ctype;
103 typedef CachedMultiLinearGeometry< ctype, mydimension, coorddimension, GeometryTraits< Grid > >
BasicMapping;
106 :
public BasicMapping
108 template<
class CoordVector >
110 : BasicMapping( type, coords ),
118 unsigned int refCount_;
128 Geometry () : grid_( nullptr ), mapping_( nullptr ) {}
132 template<
class CoordVector >
136 assert(
int( type.dim() ) == mydimension );
137 void *mappingStorage = grid.allocateStorage(
sizeof(
Mapping ) );
138 mapping_ =
new( mappingStorage )
Mapping( type, coords );
143 : grid_( other.grid_ ),
144 mapping_( other.mapping_ )
151 : grid_( other.grid_ ),
152 mapping_( other.mapping_ )
154 other.grid_ =
nullptr;
155 other.mapping_ =
nullptr;
171 mapping_ = other.mapping_;
178 swap( grid_, other.grid_ );
179 swap( mapping_, other.mapping_ );
183 operator bool ()
const {
return bool( mapping_ ); }
185 bool affine ()
const {
return mapping_->affine(); }
188 int corners ()
const {
return mapping_->corners(); }
189 GlobalCoordinate
corner (
const int i )
const {
return mapping_->corner( i ); }
190 GlobalCoordinate
center ()
const {
return mapping_->center(); }
192 GlobalCoordinate
global (
const LocalCoordinate &
local )
const {
return mapping_->global( local ); }
193 LocalCoordinate
local (
const GlobalCoordinate &
global )
const {
return mapping_->local( global ); }
196 ctype
volume ()
const {
return mapping_->volume(); }
198 JacobianTransposed
jacobianTransposed (
const LocalCoordinate &
local )
const {
return mapping_->jacobianTransposed( local ); }
201 const Grid &
grid ()
const { assert( grid_ );
return *grid_; }
204 void destroyMapping ()
206 mapping_->~Mapping();
207 grid().deallocateStorage( mapping_,
sizeof( Mapping ) );
218 #endif // #ifndef DUNE_GEOGRID_GEOMETRY_HH
remove_const< Grid >::type::Traits Traits
Definition: geometrygrid/geometry.hh:60
const This & operator=(const This &other)
Definition: geometrygrid/geometry.hh:164
Definition: geometrygrid/geometry.hh:105
ctype volume() const
Definition: geometrygrid/geometry.hh:196
Geometry()
Definition: geometrygrid/geometry.hh:128
GlobalCoordinate center() const
Definition: geometrygrid/geometry.hh:190
static const int dimension
Definition: geometrygrid/geometry.hh:99
int corners() const
Definition: geometrygrid/geometry.hh:188
bool removeReference()
Definition: geometrygrid/geometry.hh:115
Geometry(const Grid &grid, const GeometryType &type, const CoordVector &coords)
Definition: geometrygrid/geometry.hh:133
GeometryType
Type representing VTK's entity geometry types.
Definition: common.hh:178
const Grid & grid() const
Definition: geometrygrid/geometry.hh:201
Include standard header files.
Definition: agrid.hh:59
static const unsigned int topologyId
Definition: geometrygrid/geometry.hh:35
bool affine() const
Definition: geometrygrid/geometry.hh:185
Mapping::JacobianInverseTransposed JacobianInverseTransposed
Definition: geometrygrid/geometry.hh:126
ctype integrationElement(const LocalCoordinate &local) const
Definition: geometrygrid/geometry.hh:195
Definition: geometrygrid/geometry.hh:75
static ctype tolerance()
Definition: geometrygrid/geometry.hh:66
Grid abstract base classThis class is the base class for all grid implementations. Although no virtual functions are used we call it abstract since its methods do not contain an implementation but forward to the methods of the derived class via the Barton-Nackman trick.
Definition: common/grid.hh:388
JacobianInverseTransposed jacobianInverseTransposed(const LocalCoordinate &local) const
Definition: geometrygrid/geometry.hh:199
Traits::ctype ctype
Definition: geometrygrid/geometry.hh:62
Geometry(const This &other)
Definition: geometrygrid/geometry.hh:142
Definition: geometrygrid/geometry.hh:69
GeoGrid::CornerStorage< mydim, cdim, Grid > Type
Definition: geometrygrid/geometry.hh:71
static const int coorddimension
Definition: geometrygrid/geometry.hh:98
Geometry(This &&other)
Definition: geometrygrid/geometry.hh:150
Definition: geometrygrid/geometry.hh:58
Mapping(const GeometryType &type, const CoordVector &coords)
Definition: geometrygrid/geometry.hh:109
Traits::ctype ctype
Definition: geometrygrid/geometry.hh:95
static const bool v
Definition: geometrygrid/geometry.hh:34
void addReference()
Definition: geometrygrid/geometry.hh:114
CachedMultiLinearGeometry< ctype, mydimension, coorddimension, GeometryTraits< Grid > > BasicMapping
Definition: geometrygrid/geometry.hh:103
static const int mydimension
Definition: geometrygrid/geometry.hh:97
LocalCoordinate local(const GlobalCoordinate &global) const
Definition: geometrygrid/geometry.hh:193
GlobalCoordinate corner(const int i) const
Definition: geometrygrid/geometry.hh:189
GenericGeometry::MatrixHelper< GenericGeometry::DuneCoordTraits< ctype > > MatrixHelper
Definition: geometrygrid/geometry.hh:64
Definition: cornerstorage.hh:20
JacobianTransposed jacobianTransposed(const LocalCoordinate &local) const
Definition: geometrygrid/geometry.hh:198
Mapping::JacobianTransposed JacobianTransposed
Definition: geometrygrid/geometry.hh:125
Mapping::LocalCoordinate LocalCoordinate
Definition: geometrygrid/geometry.hh:122
~Geometry()
Definition: geometrygrid/geometry.hh:158
Mapping::GlobalCoordinate GlobalCoordinate
Definition: geometrygrid/geometry.hh:123
Definition: geometrygrid/geometry.hh:27
Definition: cornerstorage.hh:172
static const int codimension
Definition: geometrygrid/geometry.hh:100
GeometryType type() const
Definition: geometrygrid/geometry.hh:186
GlobalCoordinate global(const LocalCoordinate &local) const
Definition: geometrygrid/geometry.hh:192
Definition: geometrygrid/geometry.hh:86
A set of traits classes to store static information about grid implementation.
Geometry(const Grid &grid)
Definition: geometrygrid/geometry.hh:130