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3 #ifndef DUNE_GRIDGLUE_ADAPTER_GRIDGLUECOMMUNICATE_HH
4 #define DUNE_GRIDGLUE_ADAPTER_GRIDGLUECOMMUNICATE_HH
11 #include <type_traits>
13 #include <dune/common/bartonnackmanifcheck.hh>
14 #include <dune/common/parallel/communicator.hh>
15 #include <dune/grid/common/datahandleif.hh>
16 #include <dune/grid/common/gridenums.hh>
23 struct GlobalId :
public std::pair<RankPair, unsigned int>
29 this->first.first = 0;
30 this->first.second = 0;
37 this->first.first = i;
38 this->first.second = i;
47 this->first.first = std::min(i,j);
48 this->first.second = std::max(i,j);
56 <<
id.first.first <<
"," <<
id.first.second <<
","
73 template <
class DataHandleImp,
class DataTypeImp>
89 template<
class RISType>
90 size_t size (RISType& i)
const
92 CHECK_INTERFACE_IMPLEMENTATION((asImp().
size(i)));
93 return asImp().size(i);
101 template<
class MessageBufferImp,
class EntityType,
class RISType>
102 void gather (MessageBufferImp& buff,
const EntityType& e,
const RISType & i)
const
104 MessageBufferIF<MessageBufferImp> buffIF(buff);
105 CHECK_AND_CALL_INTERFACE_IMPLEMENTATION((asImp().
gather(buffIF,e,i)));
115 template<
class MessageBufferImp,
class EntityType,
class RISType>
116 void scatter (MessageBufferImp& buff,
const EntityType& e,
const RISType & i,
size_t n)
118 MessageBufferIF<MessageBufferImp> buffIF(buff);
119 CHECK_AND_CALL_INTERFACE_IMPLEMENTATION((asImp().
scatter(buffIF,e,i,n)));
124 DataHandleImp& asImp () {
125 return static_cast<DataHandleImp &
> (*this);
128 const DataHandleImp& asImp ()
const
130 return static_cast<const DataHandleImp &
>(*this);
138 template<
typename DT>
155 static_assert(std::is_same<DT,Y>::value,
"DataType mismatch");
163 static_assert(std::is_same<DT,Y>::value,
"DataType mismatch");
194 template<
class CommInfo>
198 typedef typename CommInfo::GridGlue::Intersection
Intersection;
205 if (dir == Dune::ForwardCommunication)
221 return commInfo.
buffer[j];
224 template<
class CommInfo>
228 typedef typename CommInfo::GridGlue::Intersection
Intersection;
244 if (dir == Dune::ForwardCommunication)
268 template <
typename GG,
class DataHandleImp,
class DataTypeImp>
284 mutable ::Dune::GridGlue::StreamingMessageBuffer<DataType>
mbuffer;
286 Dune::CommunicationDirection
dir;
296 template<
typename GG,
class DataHandleImp,
class DataTypeImp>
302 typedef ::Dune::GridGlue::CommInfo<GG, DataHandleImp, DataTypeImp> Type;
307 typedef DataTypeImp IndexedType;
313 typedef VariableSize IndexedTypeFlag;
318 static size_t getSize(
const Type& commInfo,
size_t i)
321 typedef typename Type::GridGlue::Intersection Intersection;
322 Intersection ris(commInfo.gridglue->getIntersection(i));
325 return commInfo.data->size(ris);
Definition: gridglue.hh:35
mutable ::Dune::GridGlue::StreamingMessageBuffer< DataType > mbuffer
Definition: gridgluecommunicate.hh:284
void clear()
Definition: gridgluecommunicate.hh:169
Definition: gridgluecommunicate.hh:139
CommInfo()
Definition: gridgluecommunicate.hh:275
void scatter(MessageBufferImp &buff, const EntityType &e, const RISType &i, size_t n)
Definition: gridgluecommunicate.hh:116
DT * a
Definition: gridgluecommunicate.hh:179
DataTypeImp value_type
Definition: gridgluecommunicate.hh:271
std::ostream & operator<<(std::ostream &os, const GlobalId &id)
Definition: gridgluecommunicate.hh:53
std::vector< DataType > buffer
Definition: gridgluecommunicate.hh:283
collects all GridGlue data requried for communication
Definition: gridgluecommunicate.hh:269
describes the features of a data handle for communication in parallel runs using the GridGlue::commun...
Definition: gridgluecommunicate.hh:74
size_t j
Definition: gridgluecommunicate.hh:181
CommDataHandle()
Definition: gridgluecommunicate.hh:82
void gather(MessageBufferImp &buff, const EntityType &e, const RISType &i) const
pack data from user to message buffer
Definition: gridgluecommunicate.hh:102
CommunicationOperator< Dune::ForwardCommunication > ForwardOperator
Definition: gridgluecommunicate.hh:261
size_t neighbor(unsigned int g=0) const
Return number of embeddings into local grid0 (grid1) entities.
Definition: intersection.hh:403
Dune::CommunicationDirection dir
Definition: gridgluecommunicate.hh:286
DataTypeImp DataType
data type of data to communicate
Definition: gridgluecommunicate.hh:78
CommunicationOperator< Dune::BackwardCommunication > BackwardOperator
Definition: gridgluecommunicate.hh:262
Intersection< P0, P1, O, I > flip() const
Return a copy of the intersection with inside and outside switched.
Definition: intersection.hh:487
std::pair< int, int > RankPair
Definition: gridgluecommunicate.hh:22
void read(Y &data) const
Definition: gridgluecommunicate.hh:161
DT value_type
Definition: gridgluecommunicate.hh:141
bool self() const
For parallel computations: Return true if inside() entity exists locally.
Definition: intersection.hh:397
DataTypeImp DataType
Definition: gridgluecommunicate.hh:273
The intersection of two entities of the two patches of a GridGlue.
Definition: gridglue.hh:46
GlobalId()
Definition: gridgluecommunicate.hh:28
GlobalId(int i)
Definition: gridgluecommunicate.hh:36
::Dune::GridGlue::CommDataHandle< DataHandleImp, DataTypeImp > * data
Definition: gridgluecommunicate.hh:280
InsideEntity inside(unsigned int parentId=0) const
Return element on the inside of this intersection.
Definition: intersection.hh:323
StreamingMessageBuffer(DT *p)
Definition: gridgluecommunicate.hh:144
size_t i
Definition: gridgluecommunicate.hh:180
size_t size(RISType &i) const
Definition: gridgluecommunicate.hh:90
GlobalId(int i, int j, unsigned int n)
Definition: gridgluecommunicate.hh:46
GG GridGlue
Definition: gridgluecommunicate.hh:272
size_t counter() const
Definition: gridgluecommunicate.hh:167
OutsideEntity outside(unsigned int parentId=0) const
Return element on the outside of this intersection.
Definition: intersection.hh:332
forward gather scatter to user defined CommInfo class
Definition: gridgluecommunicate.hh:191
static void scatter(CommInfo &commInfo, const typename CommInfo::DataType &v, std::size_t i, std::size_t j=0)
Definition: gridgluecommunicate.hh:225
Definition: gridgluecommunicate.hh:23
void write(const Y &data)
Definition: gridgluecommunicate.hh:153
static const CommInfo::DataType & gather(const CommInfo &commInfo, size_t i, size_t j=0)
Definition: gridgluecommunicate.hh:195
size_t currentsize
Definition: gridgluecommunicate.hh:285
const GridGlue * gridglue
Definition: gridgluecommunicate.hh:279