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
Mapping::JacobianTransposed JacobianTransposed
Definition: geometrygrid/geometry.hh:125
Definition: geometrygrid/geometry.hh:105
static ctype tolerance()
Definition: geometrygrid/geometry.hh:66
GeoGrid::CornerStorage< mydim, cdim, Grid > Type
Definition: geometrygrid/geometry.hh:71
Mapping::GlobalCoordinate GlobalCoordinate
Definition: geometrygrid/geometry.hh:123
static const unsigned int topologyId
Definition: geometrygrid/geometry.hh:35
static const int codimension
Definition: geometrygrid/geometry.hh:100
Definition: geometrygrid/geometry.hh:86
bool removeReference()
Definition: geometrygrid/geometry.hh:115
Geometry(This &&other)
Definition: geometrygrid/geometry.hh:150
JacobianTransposed jacobianTransposed(const LocalCoordinate &local) const
Definition: geometrygrid/geometry.hh:198
Geometry(const This &other)
Definition: geometrygrid/geometry.hh:142
Definition: geometrygrid/geometry.hh:69
GlobalCoordinate center() const
Definition: geometrygrid/geometry.hh:190
GeometryType type() const
Definition: geometrygrid/geometry.hh:186
GlobalCoordinate global(const LocalCoordinate &local) const
Definition: geometrygrid/geometry.hh:192
Traits::ctype ctype
Definition: geometrygrid/geometry.hh:95
Mapping::LocalCoordinate LocalCoordinate
Definition: geometrygrid/geometry.hh:122
const Grid & grid() const
Definition: geometrygrid/geometry.hh:201
Definition: geometrygrid/geometry.hh:27
ctype volume() const
Definition: geometrygrid/geometry.hh:196
Geometry()
Definition: geometrygrid/geometry.hh:128
static const bool v
Definition: geometrygrid/geometry.hh:34
LocalCoordinate local(const GlobalCoordinate &global) const
Definition: geometrygrid/geometry.hh:193
Geometry(const Grid &grid, const GeometryType &type, const CoordVector &coords)
Definition: geometrygrid/geometry.hh:133
Traits::ctype ctype
Definition: geometrygrid/geometry.hh:62
remove_const< Grid >::type::Traits Traits
Definition: geometrygrid/geometry.hh:60
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
~Geometry()
Definition: geometrygrid/geometry.hh:158
Mapping(const GeometryType &type, const CoordVector &coords)
Definition: geometrygrid/geometry.hh:109
void addReference()
Definition: geometrygrid/geometry.hh:114
static const int dimension
Definition: geometrygrid/geometry.hh:99
Geometry(const Grid &grid)
Definition: geometrygrid/geometry.hh:130
ctype integrationElement(const LocalCoordinate &local) const
Definition: geometrygrid/geometry.hh:195
GenericGeometry::MatrixHelper< GenericGeometry::DuneCoordTraits< ctype > > MatrixHelper
Definition: geometrygrid/geometry.hh:64
const This & operator=(const This &other)
Definition: geometrygrid/geometry.hh:164
static const int coorddimension
Definition: geometrygrid/geometry.hh:98
JacobianInverseTransposed jacobianInverseTransposed(const LocalCoordinate &local) const
Definition: geometrygrid/geometry.hh:199
Include standard header files.
Definition: agrid.hh:59
Definition: cornerstorage.hh:172
int corners() const
Definition: geometrygrid/geometry.hh:188
bool affine() const
Definition: geometrygrid/geometry.hh:185
Mapping::JacobianInverseTransposed JacobianInverseTransposed
Definition: geometrygrid/geometry.hh:126
Definition: geometrygrid/geometry.hh:75
CachedMultiLinearGeometry< ctype, mydimension, coorddimension, GeometryTraits< Grid > > BasicMapping
Definition: geometrygrid/geometry.hh:103
static const int mydimension
Definition: geometrygrid/geometry.hh:97
A set of traits classes to store static information about grid implementation.
GlobalCoordinate corner(const int i) const
Definition: geometrygrid/geometry.hh:189
Definition: cornerstorage.hh:20
Definition: geometrygrid/geometry.hh:58
GeometryType
Type representing VTK's entity geometry types.
Definition: common.hh:178