/usr/include/dune/grid/alugrid/2d/alu2dinclude.hh is in libdune-grid-dev 2.4.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_ALU2DGRID_INCLUDE_HH
#define DUNE_ALU2DGRID_INCLUDE_HH
#define ALU2DGRID_COMPATIBILITY_LEVEL 2
#include <alugrid_2d.h>
//////////////////////////////////////////////////////////////////////
// compile imp.cc into lib (1 yes, 0 no)
// if you change this, you'll get what you deserve
//////////////////////////////////////////////////////////////////////
#define COMPILE_ALU2DGRID_LIB 0
#if COMPILE_ALU2DGRID_LIB
#define COMPILE_ALU2DGRID_INLINE 0
#else
#define COMPILE_ALU2DGRID_INLINE 1
#endif
#if COMPILE_ALU2DGRID_INLINE
#define alu2d_inline inline
#else
#define alu2d_inline
#endif
/////////////////////////////////////////////////////////////////////
// fix for ALUGrid 1.22, where ALUGRID_VERTEX_PROJECTION is defined only in alugrid_serial.h
#ifndef ALUGRID_VERTEX_PROJECTION
#include <alugrid_serial.h>
#endif
#define ALU2DSPACE ALU2DSPACENAME ::
#define ALU2DSPACENAME ALU2DGrid
#define ALU2DDIMWORLD(dimw,eltype) < dimw,(eltype == ALU2DSPACE triangle ? 3 : 4) >
// use the ALU3dGrid Parallel detection
#include <dune/grid/alugrid/common/checkparallel.hh>
//#define ALU2DGRID_PARALLEL ALU3DGRID_PARALLEL
#define ALU2DGRID_PARALLEL 0
#include <dune/common/parallel/collectivecommunication.hh>
#if ALU2DGRID_PARALLEL
//#include "communicator.hh"
#warning "Using ALU2dGrid in parallel"
#endif
namespace ALU2DSPACENAME
{
enum ElementType { triangle, quadrilateral, mixed };
}
namespace Dune
{
typedef double alu2d_ctype;
#ifndef DOXYGEN
// ALU2dImplInterface
// ------------------
template< int dim, int dimw, ALU2DSPACE ElementType eltype >
struct ALU2dImplInterface;
template< int dimw, ALU2DSPACE ElementType eltype >
struct ALU2dImplInterface< 0, dimw, eltype >
{
typedef typename ALU2DSPACE Hmesh_basic ALU2DDIMWORLD (dimw,eltype) ::vertex_t Type;
};
template< int dimw, ALU2DSPACE ElementType eltype >
struct ALU2dImplInterface< 1, dimw, eltype >
{
typedef typename ALU2DSPACE Hmesh_basic ALU2DDIMWORLD (dimw,eltype) ::helement_t Type;
};
template< int dimw, ALU2DSPACE ElementType eltype >
struct ALU2dImplInterface< 2, dimw, eltype >
{
typedef typename ALU2DSPACE Hmesh_basic ALU2DDIMWORLD (dimw,eltype) ::helement_t Type;
};
#endif
// ALU2dImplTraits
// ---------------
template< int dimw, ALU2DSPACE ElementType eltype >
struct ALU2dImplTraits
{
template< int cdim >
struct Codim
{
typedef typename ALU2dImplInterface< 2-cdim, dimw, eltype >::Type InterfaceType;
};
typedef ALU2DSPACE Hmesh ALU2DDIMWORLD (dimw,eltype) HmeshType;
typedef ALU2DSPACE Thinelement ALU2DDIMWORLD (dimw,eltype) ThinelementType;
typedef ALU2DSPACE Element ALU2DDIMWORLD (dimw,eltype) ElementType;
typedef typename HmeshType::helement_t HElementType;
typedef typename HmeshType::hbndel_t HBndElType;
typedef ALU2DSPACE Bndel_periodic ALU2DDIMWORLD (dimw,eltype) PeriodicBndElType;
};
// ALU2dGridMarkerVector
// ---------------------
class ALU2dGridMarkerVector
{
typedef std::vector< int > VectorType;
public:
ALU2dGridMarkerVector() : valid_(false) {}
bool valid() const { return valid_; }
void invalidate() { valid_ = false; }
bool isOnElement(int elementIndex, int idx, int codim) const
{
return marker_[codim-1][idx] == elementIndex;
}
template <class GridType>
void update (const GridType & grid, int level )
{
enum { dim = GridType::dimension };
static const int dimworld = GridType::dimensionworld;
static const ALU2DSPACE ElementType eltype = GridType::elementType;
typedef typename ALU2dImplTraits< dimworld, eltype >::template Codim<0>::InterfaceType ElementType;
typedef ALU2DSPACE Listwalkptr< ElementType > IteratorType;
// resize
for(int i=0; i<2; ++i)
{
int s = grid.hierSetSize(i+1);
if((int) marker_[i].size() < s ) marker_[i].resize(s);
size_t markerSize = marker_[i].size();
// reset marker vector to default value
for(size_t k=0; k<markerSize; ++k) marker_[i][k] = -1;
}
IteratorType iter(grid.myGrid(), level);
for(iter->first(); !iter->done(); iter->next())
{
ElementType & elem = iter->getitem();
int elIdx = elem.getIndex();
// if element is not valid, go to next
#if ALU2DGRID_PARALLEL
if( ! grid.rankManager().isValid( elIdx , All_Partition ) ) continue;
#endif
for(int i=0; i<elem.numvertices(); ++i)
{
enum { vxCodim = 1 };
int vxIdx = elem.getVertex(i)->getIndex();
if( marker_[vxCodim][vxIdx] < 0) marker_[vxCodim][vxIdx] = elIdx;
enum { edgeCodim = 0 };
int edgeIdx = elem.edge_idx(i);
if( marker_[edgeCodim][edgeIdx] < 0) marker_[edgeCodim][edgeIdx] = elIdx;
}
}
valid_ = true;
}
private:
VectorType marker_[2];
bool valid_;
};
class ALU2dGridLeafMarkerVector
{
typedef std::vector< int > VectorType;
public:
ALU2dGridLeafMarkerVector() : valid_(false) {}
bool valid() const { return valid_; }
void invalidate() { valid_ = false; }
// return true, if edge is visited on given element
bool isOnElement(int elementIndex, int idx, int codim) const
{
assert( valid_ );
// this marker only works for codim 1, i.e. edges
assert( codim == 1 );
return marker_[idx] == elementIndex;
}
// this is for the LeafIterator
template <class GridType>
void update (const GridType & grid)
{
static const int dimworld = GridType::dimensionworld;
static const ALU2DSPACE ElementType eltype = GridType::elementType;
typedef typename ALU2dImplTraits< dimworld, eltype >::template Codim<0>::InterfaceType ElementType;
typedef ALU2DSPACE Listwalkptr< ElementType > IteratorType;
// resize edge marker
{
int s = grid.hierSetSize(1);
if((int) marker_.size() < s ) marker_.resize(s);
size_t markerSize = marker_.size();
// reset marker vector to default value
for(size_t k=0; k<markerSize; ++k) marker_[k] = -1;
}
// resize vertex levels
{
int s = grid.hierSetSize(2);
if((int) vertexLevels_.size() < s ) vertexLevels_.resize(s);
// initialize with -1
size_t vxSize = vertexLevels_.size();
for(size_t k=0; k<vxSize; ++k) vertexLevels_[k] = -1;
}
enum { dim = GridType::dimension };
IteratorType iter(grid.myGrid());
for(iter->first(); !iter->done(); iter->next())
{
ElementType & elem = iter->getitem();
int elIdx = elem.getIndex();
#if ALU2DGRID_PARALLEL
// is element is not valid, go to next
if( ! grid.rankManager().isValid( elIdx , All_Partition ) ) continue;
#endif
int level = elem.level();
for(int i=0; i<elem.numvertices(); ++i)
{
int vxIdx = elem.getVertex(i)->getIndex();
// set max level to vertices, see Grid docu paper
if(level > vertexLevels_[vxIdx]) vertexLevels_[vxIdx] = level;
int edgeIdx = elem.edge_idx(i);
if( marker_[edgeIdx] < 0) marker_[edgeIdx] = elIdx;
}
}
valid_ = true;
}
//! return level of vertex
int levelOfVertex(const int vxIdx) const
{
assert( valid_ );
assert( vxIdx >= 0 && vxIdx < (int) vertexLevels_.size());
// if this assertion is thrown, the level has not been initialized
assert( vertexLevels_[vxIdx] >= 0 );
return vertexLevels_[vxIdx];
}
//! return level of vertex
bool isValidVertex(const int vxIdx) const
{
assert( valid_ );
assert( vxIdx >= 0 && vxIdx < (int) vertexLevels_.size());
return (vertexLevels_[vxIdx] >= 0);
}
private:
VectorType marker_;
VectorType vertexLevels_;
bool valid_;
};
// dummy object stream class
class ALU2dGridObjectStream
{
public:
class EOFException {} ;
template <class T>
void readObject (T &) {}
void readObject (int) {}
void readObject (double) {}
template <class T>
void writeObject (T &) {}
void writeObject (int) {}
void writeObject (double) {}
template <class T>
void read (T &) const {}
template <class T>
void write (const T &) {}
};
} //end namespace Dune
#endif
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