/usr/include/dune/grid/alugrid/3d/faceutility_imp.cc is in libdune-grid-dev 2.2.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#define DUNE_FACEUTILITY_IMP_HH
namespace Dune
{
template< ALU3dGridElementType type, class Comm >
inline ALU3dGridFaceInfo< type, Comm >::ALU3dGridFaceInfo() :
face_(0),
innerElement_(0),
outerElement_(0),
innerFaceNumber_(-1),
outerFaceNumber_(-1),
innerTwist_(-665),
outerTwist_(-665),
segmentIndex_( -1 ),
bndId_( -1 ),
bndType_( noBoundary ),
conformanceState_(UNDEFINED)
{
}
// points face from inner element away?
template< ALU3dGridElementType type, class Comm >
inline void
ALU3dGridFaceInfo< type, Comm >::
updateFaceInfo(const GEOFaceType& face,
int innerLevel,
int innerTwist)
{
face_ = &face;
innerElement_ = 0;
outerElement_ = 0;
innerFaceNumber_ = -1;
outerFaceNumber_ = -1;
bndType_ = noBoundary;
segmentIndex_ = -1;
bndId_ = 0; // inner face
// points face from inner element away?
if (innerTwist < 0)
{
innerElement_ = face.nb.rear().first;
innerFaceNumber_ = face.nb.rear().second;
outerElement_ = face.nb.front().first;
outerFaceNumber_ = face.nb.front().second;
}
else
{
innerElement_ = face.nb.front().first;
innerFaceNumber_ = face.nb.front().second;
outerElement_ = face.nb.rear().first;
outerFaceNumber_ = face.nb.rear().second;
} // end if
// if not true we are accessing a fake bnd
assert( innerElement_->isRealObject() );
// if not true we are accessing a fake bnd
assert( outerElement_->isRealObject() );
// we only have to do this in parallel runs
if( parallel() && innerElement_->isboundary() )
{
bndType_ = innerGhostBoundary;
assert( ! dynamic_cast< const GEOPeriodicType* > ( innerElement_ ) );
}
if( parallel() && innerBoundary() )
{
// check for ghosts
// this check is only need in the parallel case
const BNDFaceType * bnd = static_cast<const BNDFaceType *> (innerElement_);
if(bnd->bndtype() == ALU3DSPACE ProcessorBoundary_t)
{
// if nonconformity occurs then go up one level
if( bnd->level () != bnd->ghostLevel() )
{
bnd = static_cast<const BNDFaceType *>(bnd->up());
assert( bnd );
innerElement_ = static_cast<const HasFaceType*> (bnd);
}
// get ghost and internal number
GhostPairType p = bnd->getGhost();
// get face number
innerFaceNumber_ = p.second;
// this doesn't count as outer boundary
const GEOElementType* ghost = static_cast<const GEOElementType*> (p.first);
assert(ghost);
innerTwist_ = ghost->twist(innerFaceNumber_);
}
else
{
innerTwist_ = innerFace().twist(innerALUFaceIndex());
}
}
else
{
// set inner twist
assert(innerTwist == innerEntity().twist(innerFaceNumber_));
innerTwist_ = innerTwist;
}
if( outerElement_->isboundary() )
{
assert( ! innerBoundary() );
// set to default boundary (with domain boundary)
bndType_ = domainBoundary ;
// check for ghosts
// this check is only need in the parallel case
// if this cast fails we have a periodic element
//#ifdef ALUGRID_PERIODIC_BOUNDARY_PARALLEL
/// const bool periodicBnd = outerElement_->isperiodic();
// const BNDFaceType * bnd = 0;
// const BNDFaceType * bnd = static_cast<const BNDFaceType *> (outerElement_);
//#else
const BNDFaceType * bnd = dynamic_cast<const BNDFaceType *> (outerElement_);
const bool periodicBnd = ( bnd == 0 ) ;
//#endif
if( periodicBnd ) // the periodic case
{
bndType_ = periodicBoundary ;
assert( dynamic_cast< const GEOPeriodicType* > ( outerElement_ ) );
const GEOPeriodicType* periodicClosure = static_cast< const GEOPeriodicType* > ( outerElement_ ) ;
#ifdef ALUGRID_PERIODIC_BOUNDARY
// previously, the segmentIndex( 1 - outerFaceNumber_ ) was used, why?
segmentIndex_ = periodicClosure->segmentIndex( outerFaceNumber_ );
#else
// set to zero (grid test will fail)
segmentIndex_ = 0 ;
#endif
#ifdef ALUGRID_PERIODIC_BOUNDARY_PARALLEL
bndId_ = periodicClosure->bndtype( outerFaceNumber_ );
#endif
const GEOFaceType* face = ImplTraits::getFace( *periodicClosure, 1 - outerFaceNumber_ );
assert( (face->nb.front().first == periodicClosure) || (face->nb.rear().first == periodicClosure) );
if( face->nb.rear().first == periodicClosure )
{
assert( dynamic_cast< const GEOPeriodicType * >( face->nb.rear().first ) );
outerElement_ = face->nb.front().first ;
outerFaceNumber_ = face->nb.front().second ;
}
else
{
assert( dynamic_cast< const GEOPeriodicType * >( face->nb.front().first ) );
outerElement_ = face->nb.rear().first ;
outerFaceNumber_ = face->nb.rear().second ;
}
assert( outerElement_->isRealObject() );
if( outerElement_->isboundary() )
{
assert( dynamic_cast< const BNDFaceType * >( outerElement_ ) );
bnd = static_cast< const BNDFaceType * >( outerElement_ );
}
else
outerTwist_ = outerEntity().twist( outerFaceNumber_ );
}
if ( bnd ) // the boundary case
{
assert( bnd );
// if this cast is valid we have either
// a boundary or a ghost element
// the ghost element case
if( parallel() && bnd->bndtype() == ALU3DSPACE ProcessorBoundary_t)
{
// if nonconformity occurs then go up one level
if( bnd->level () != bnd->ghostLevel() )
{
bnd = static_cast<const BNDFaceType *>(bnd->up());
assert( bnd );
outerElement_ = static_cast<const HasFaceType*> (bnd);
}
// get ghost and internal number
GhostPairType p = bnd->getGhost();
outerFaceNumber_ = p.second;
// set boundary type to ghost boundary
bndType_ = outerGhostBoundary ;
const GEOElementType* ghost = static_cast<const GEOElementType*> (p.first);
assert(ghost);
outerTwist_ = ghost->twist(outerFaceNumber_);
}
else // the normal boundary case
{
// get outer twist
outerTwist_ = boundaryFace().twist(outerALUFaceIndex());
// store segment index
segmentIndex_ = boundaryFace().segmentIndex();
bndId_ = boundaryFace().bndtype();
}
}
}
else
{
// get outer twist
outerTwist_ = outerEntity().twist(outerALUFaceIndex());
}
// make sure we got boundary id correctly
assert( bndType_ == periodicBoundary || bndType_ == domainBoundary ? bndId_ > 0 : bndId_ == 0 );
// set conformance information
conformanceState_ = getConformanceState(innerLevel);
}
// points face from inner element away?
template< ALU3dGridElementType type, class Comm >
inline ALU3dGridFaceInfo< type, Comm >::
ALU3dGridFaceInfo(const GEOFaceType& face,
int innerTwist)
{
updateFaceInfo(face,innerTwist);
}
template< ALU3dGridElementType type, class Comm >
inline ALU3dGridFaceInfo< type, Comm >::~ALU3dGridFaceInfo() {}
template< ALU3dGridElementType type, class Comm >
ALU3dGridFaceInfo< type, Comm >::
ALU3dGridFaceInfo ( const ALU3dGridFaceInfo &orig )
: face_(orig.face_),
innerElement_(orig.innerElement_),
outerElement_(orig.outerElement_),
innerFaceNumber_(orig.innerFaceNumber_),
outerFaceNumber_(orig.outerFaceNumber_),
innerTwist_(orig.innerTwist_),
outerTwist_(orig.outerTwist_),
segmentIndex_( orig.segmentIndex_ ),
bndId_( orig.bndId_ ),
bndType_( orig.bndType_ ),
conformanceState_(orig.conformanceState_)
{}
template< ALU3dGridElementType type, class Comm >
inline bool ALU3dGridFaceInfo< type, Comm >::isElementLike() const {
return bndType_ < domainBoundary;
}
template< ALU3dGridElementType type, class Comm >
inline bool ALU3dGridFaceInfo< type, Comm >::innerBoundary() const {
return bndType_ == innerGhostBoundary;
}
template< ALU3dGridElementType type, class Comm >
inline bool ALU3dGridFaceInfo< type, Comm >::outerBoundary() const {
return bndType_ == domainBoundary;
}
template< ALU3dGridElementType type, class Comm >
inline bool ALU3dGridFaceInfo< type, Comm >::boundary() const {
return outerBoundary() || (bndType_ == periodicBoundary);
}
template< ALU3dGridElementType type, class Comm >
inline bool ALU3dGridFaceInfo< type, Comm >::neighbor() const
{
return isElementLike() || ghostBoundary();
}
template< ALU3dGridElementType type, class Comm >
inline bool ALU3dGridFaceInfo< type, Comm >::ghostBoundary () const
{
// when communicator is No_Comm there is no ghost boundary
return parallel() ? ( bndType_ == outerGhostBoundary ) : false ;
}
template< ALU3dGridElementType type, class Comm >
inline const typename ALU3dGridFaceInfo< type, Comm >::GEOFaceType&
ALU3dGridFaceInfo< type, Comm >::face() const
{
return *face_;
}
template< ALU3dGridElementType type, class Comm >
inline const typename ALU3dGridFaceInfo< type, Comm >::GEOElementType&
ALU3dGridFaceInfo< type, Comm >::innerEntity() const
{
assert( ! innerElement_->isboundary() );
return static_cast<const GEOElementType&>(*innerElement_);
}
template< ALU3dGridElementType type, class Comm >
inline const typename ALU3dGridFaceInfo< type, Comm >::GEOElementType&
ALU3dGridFaceInfo< type, Comm >::outerEntity() const
{
assert( isElementLike() );
return static_cast<const GEOElementType&>(*outerElement_);
}
template< ALU3dGridElementType type, class Comm >
inline const typename ALU3dGridFaceInfo< type, Comm >::BNDFaceType&
ALU3dGridFaceInfo< type, Comm >::innerFace() const
{
assert( innerElement_->isboundary() );
return static_cast<const BNDFaceType&>(*innerElement_);
}
template< ALU3dGridElementType type, class Comm >
inline const typename ALU3dGridFaceInfo< type, Comm >::BNDFaceType&
ALU3dGridFaceInfo< type, Comm >::boundaryFace() const {
assert( ! isElementLike() );
return static_cast<const BNDFaceType&>(*outerElement_);
}
template< ALU3dGridElementType type, class Comm >
inline int ALU3dGridFaceInfo< type, Comm >::outsideLevel() const
{
assert( outerElement_ );
assert( !isElementLike() || outerEntity().level() == outerElement_->nbLevel() );
assert( isElementLike() || boundaryFace().level() == outerElement_->nbLevel() );
return outerElement_->nbLevel();
}
template< ALU3dGridElementType type, class Comm >
inline int ALU3dGridFaceInfo< type, Comm >::segmentIndex() const
{
assert( segmentIndex_ >= 0 );
return segmentIndex_;
}
template< ALU3dGridElementType type, class Comm >
inline int ALU3dGridFaceInfo< type, Comm >::boundaryId() const
{
return bndId_;
}
template< ALU3dGridElementType type, class Comm >
inline int ALU3dGridFaceInfo< type, Comm >::innerTwist() const
{
// don't check ghost boundaries here
assert( ( ! innerBoundary() ) ?
innerEntity().twist(innerALUFaceIndex()) == innerTwist_ : true );
return innerTwist_;
}
template< ALU3dGridElementType type, class Comm >
inline int ALU3dGridFaceInfo< type, Comm >::duneTwist(const int faceIdx, const int aluTwist) const
{
typedef ElementTopologyMapping<type> ElementTopo;
typedef FaceTopologyMapping<type> FaceTopo;
const int mappedZero =
FaceTopo::twist(ElementTopo::dune2aluFaceVertex( faceIdx, 0), aluTwist);
const int twist =
(ElementTopo::faceOrientation( faceIdx ) * sign(aluTwist) < 0 ?
mappedZero : -mappedZero-1);
// see topology.* files
return FaceTopo :: aluTwistMap( twist );
}
template< ALU3dGridElementType type, class Comm >
inline int ALU3dGridFaceInfo< type, Comm >::outerTwist() const
{
// don't check ghost boundaries here
//assert( (outerBoundary_) ?
// (outerTwist_ == boundaryFace().twist(0)) :
// (! ghostBoundary_) ?
// (outerTwist_ == outerEntity().twist(outerALUFaceIndex())) : true
// );
return outerTwist_;
}
template< ALU3dGridElementType type, class Comm >
inline int ALU3dGridFaceInfo< type, Comm >::innerALUFaceIndex() const {
return innerFaceNumber_;
}
template< ALU3dGridElementType type, class Comm >
inline int ALU3dGridFaceInfo< type, Comm >::outerALUFaceIndex() const {
return outerFaceNumber_;
}
template< ALU3dGridElementType type, class Comm >
typename ALU3dGridFaceInfo< type, Comm >::ConformanceState
inline ALU3dGridFaceInfo< type, Comm >::conformanceState() const
{
assert( conformanceState_ != UNDEFINED );
return conformanceState_;
}
// calculate conformance state
template< ALU3dGridElementType type, class Comm >
typename ALU3dGridFaceInfo< type, Comm >::ConformanceState
inline ALU3dGridFaceInfo< type, Comm >::getConformanceState(const int innerLevel) const
{
ConformanceState result = CONFORMING;
// A boundary is always unrefined
int levelDifference = 0 ;
if ( isElementLike() )
levelDifference = innerLevel - outerEntity().level();
else
levelDifference = innerLevel - boundaryFace().level();
if (levelDifference < 0) {
result = REFINED_OUTER;
}
else if (levelDifference > 0) {
result = REFINED_INNER;
}
return result;
}
template< ALU3dGridElementType type, class Comm >
inline ALU3dGridGeometricFaceInfoBase< type, Comm >::
ALU3dGridGeometricFaceInfoBase(const ConnectorType& connector) :
connector_(connector),
coordsSelfLocal_(-1.0),
coordsNeighborLocal_(-1.0),
generatedGlobal_(false),
generatedLocal_(false)
{}
template< ALU3dGridElementType type, class Comm >
inline void
ALU3dGridGeometricFaceInfoBase< type, Comm >::
resetFaceGeom()
{
generatedGlobal_ = false;
generatedLocal_ = false;
}
template< ALU3dGridElementType type, class Comm >
inline ALU3dGridGeometricFaceInfoBase< type, Comm >::
ALU3dGridGeometricFaceInfoBase ( const ALU3dGridGeometricFaceInfoBase &orig )
: connector_(orig.connector_),
coordsSelfLocal_(orig.coordsSelfLocal_),
coordsNeighborLocal_(orig.coordsNeighborLocal_),
generatedGlobal_(orig.generatedGlobal_),
generatedLocal_(orig.generatedLocal_)
{}
template< ALU3dGridElementType type, class Comm >
inline const typename ALU3dGridGeometricFaceInfoBase< type, Comm >::CoordinateType&
ALU3dGridGeometricFaceInfoBase< type, Comm >::intersectionSelfLocal() const {
generateLocalGeometries();
assert(generatedLocal_);
return coordsSelfLocal_;
}
template< ALU3dGridElementType type, class Comm >
inline const typename ALU3dGridGeometricFaceInfoBase< type, Comm >::CoordinateType&
ALU3dGridGeometricFaceInfoBase< type, Comm >::intersectionNeighborLocal() const {
assert(!connector_.outerBoundary());
generateLocalGeometries();
assert(generatedLocal_);
return coordsNeighborLocal_;
}
//sepcialisation for tetra and hexa
template< class Comm >
inline ALU3dGridGeometricFaceInfoTetra< Comm >::
ALU3dGridGeometricFaceInfoTetra(const ConnectorType& connector)
: Base( connector ), normalUp2Date_( false )
{}
template< class Comm >
inline void ALU3dGridGeometricFaceInfoTetra< Comm >::
resetFaceGeom()
{
Base::resetFaceGeom();
normalUp2Date_ = false;
}
template< class Comm >
inline ALU3dGridGeometricFaceInfoTetra< Comm >::
ALU3dGridGeometricFaceInfoTetra(const ALU3dGridGeometricFaceInfoTetra& orig)
: Base( orig ), normalUp2Date_( orig.normalUp2Date_ )
{}
template< class Comm >
template <class GeometryImp>
inline void
ALU3dGridGeometricFaceInfoTetra< Comm >::
buildGlobalGeom(GeometryImp& geo) const
{
if (! this->generatedGlobal_)
{
// calculate the normal
const GEOFaceType & face = this->connector_.face();
geo.buildGeom( face.myvertex(FaceTopo::dune2aluVertex(0))->Point() ,
face.myvertex(FaceTopo::dune2aluVertex(1))->Point() ,
face.myvertex(FaceTopo::dune2aluVertex(2))->Point() );
this->generatedGlobal_ = true ;
}
}
template< class Comm >
inline FieldVector<alu3d_ctype, 3> &
ALU3dGridGeometricFaceInfoTetra< Comm >::
outerNormal(const FieldVector<alu3d_ctype, 2>& local) const
{
// if geomInfo was not reseted then normal is still correct
if(!normalUp2Date_)
{
// calculate the normal
const GEOFaceType & face = this->connector_.face();
const alu3d_ctype (&_p0)[3] = face.myvertex(0)->Point();
const alu3d_ctype (&_p1)[3] = face.myvertex(1)->Point();
const alu3d_ctype (&_p2)[3] = face.myvertex(2)->Point();
// change sign if face normal points into inner element
// factor is 1.0 to get integration outer normal and not volume outer normal
const double factor = (this->connector_.innerTwist() < 0) ? 1.0 : -1.0;
// see mapp_tetra_3d.h for this piece of code
outerNormal_[0] = factor * ((_p1[1]-_p0[1]) *(_p2[2]-_p1[2]) - (_p2[1]-_p1[1]) *(_p1[2]-_p0[2]));
outerNormal_[1] = factor * ((_p1[2]-_p0[2]) *(_p2[0]-_p1[0]) - (_p2[2]-_p1[2]) *(_p1[0]-_p0[0]));
outerNormal_[2] = factor * ((_p1[0]-_p0[0]) *(_p2[1]-_p1[1]) - (_p2[0]-_p1[0]) *(_p1[1]-_p0[1]));
normalUp2Date_ = true;
} // end if mapp ...
return outerNormal_;
}
//-sepcialisation for and hexa
template< class Comm >
inline ALU3dGridGeometricFaceInfoHexa< Comm >::
ALU3dGridGeometricFaceInfoHexa(const ConnectorType& connector)
: Base( connector )
, mappingGlobal_()
, mappingGlobalUp2Date_(false)
{}
template< class Comm >
inline void ALU3dGridGeometricFaceInfoHexa< Comm >::
resetFaceGeom()
{
Base::resetFaceGeom();
mappingGlobalUp2Date_ = false;
}
template< class Comm >
inline ALU3dGridGeometricFaceInfoHexa< Comm >::
ALU3dGridGeometricFaceInfoHexa(const ALU3dGridGeometricFaceInfoHexa& orig)
: Base( orig )
, mappingGlobal_(orig.mappingGlobal_)
, mappingGlobalUp2Date_(orig.mappingGlobalUp2Date_)
{}
template< class Comm >
template <class GeometryImp>
inline void
ALU3dGridGeometricFaceInfoHexa< Comm >::
buildGlobalGeom(GeometryImp& geo) const
{
if (! this->generatedGlobal_)
{
// calculate the normal
const GEOFaceType & face = this->connector_.face();
geo.buildGeom( face.myvertex(FaceTopo::dune2aluVertex(0))->Point() ,
face.myvertex(FaceTopo::dune2aluVertex(1))->Point() ,
face.myvertex(FaceTopo::dune2aluVertex(2))->Point() ,
face.myvertex(FaceTopo::dune2aluVertex(3))->Point() );
this->generatedGlobal_ = true ;
}
}
template< class Comm >
inline FieldVector<alu3d_ctype, 3> &
ALU3dGridGeometricFaceInfoHexa< Comm >::
outerNormal(const FieldVector<alu3d_ctype, 2>& local) const
{
// if mapping calculated and affine, nothing more to do
if ( mappingGlobal_.affine () && mappingGlobalUp2Date_ )
return outerNormal_ ;
// update surface mapping
if(! mappingGlobalUp2Date_ )
{
const GEOFaceType & face = connector_.face();
// update mapping to actual face
mappingGlobal_.buildMapping(
face.myvertex( FaceTopo::dune2aluVertex(0) )->Point(),
face.myvertex( FaceTopo::dune2aluVertex(1) )->Point(),
face.myvertex( FaceTopo::dune2aluVertex(2) )->Point(),
face.myvertex( FaceTopo::dune2aluVertex(3) )->Point()
);
mappingGlobalUp2Date_ = true;
}
// calculate the normal
// has to be calculated every time normal called, because
// depends on local
if (connector_.innerTwist() < 0)
mappingGlobal_.negativeNormal(local,outerNormal_);
else
mappingGlobal_.normal(local,outerNormal_);
// end if
return outerNormal_;
}
template< ALU3dGridElementType type, class Comm >
inline void ALU3dGridGeometricFaceInfoBase< type, Comm >::
generateLocalGeometries() const
{
if (!generatedLocal_) {
// Get the coordinates of the face in the reference element of the
// adjoining inner and outer elements and initialise the respective
// geometries
switch (connector_.conformanceState())
{
case (ConnectorType::CONFORMING) :
referenceElementCoordinatesRefined(INNER, coordsSelfLocal_);
// generate outer local geometry only when not at boundary
// * in the parallel case, this needs to be altered for the ghost cells
if (!connector_.outerBoundary()) {
referenceElementCoordinatesRefined(OUTER, coordsNeighborLocal_);
} // end if
break;
case (ConnectorType::REFINED_INNER) :
referenceElementCoordinatesRefined(INNER, coordsSelfLocal_);
referenceElementCoordinatesUnrefined(OUTER, coordsNeighborLocal_);
break;
case (ConnectorType::REFINED_OUTER) :
referenceElementCoordinatesUnrefined(INNER, coordsSelfLocal_);
referenceElementCoordinatesRefined(OUTER, coordsNeighborLocal_);
break;
default :
std::cerr << "ERROR: Wrong conformanceState in generateLocalGeometries! in: " << __FILE__ << " line: " << __LINE__<< std::endl;
assert(false);
exit(1);
} // end switch
generatedLocal_ = true;
} // end if
}
template< ALU3dGridElementType type, class Comm >
inline int ALU3dGridGeometricFaceInfoBase< type, Comm >::
globalVertexIndex(const int duneFaceIndex,
const int aluFaceTwist,
const int duneFaceVertexIndex) const
{
const int localALUIndex =
FaceTopo::dune2aluVertex(duneFaceVertexIndex,
aluFaceTwist);
// get local ALU vertex number on the element's face
const int localDuneIndex = ElementTopo::
alu2duneFaceVertex(ElementTopo::dune2aluFace(duneFaceIndex),
localALUIndex);
return getReferenceElement().subEntity(duneFaceIndex, 1, localDuneIndex, 3);
}
template< ALU3dGridElementType type, class Comm >
inline void ALU3dGridGeometricFaceInfoBase< type, Comm >::
referenceElementCoordinatesRefined(SideIdentifier side,
CoordinateType& result) const
{
// this is a dune face index
const int faceIndex =
(side == INNER ?
ElementTopo::alu2duneFace(connector_.innerALUFaceIndex()) :
ElementTopo::alu2duneFace(connector_.outerALUFaceIndex()));
const int faceTwist =
(side == INNER ?
connector_.innerTwist() :
connector_.outerTwist());
const ReferenceElementType& refElem = getReferenceElement();
for (int i = 0; i < numVerticesPerFace; ++i)
{
int duneVertexIndex = globalVertexIndex(faceIndex, faceTwist, i);
result[i] = refElem.position(duneVertexIndex, 3);
}
}
} //end namespace Dune
#endif
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