/usr/include/dune/grid/geometrygrid/datahandle.hh 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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | #ifndef DUNE_GEOGRID_DATAHANDLE_HH
#define DUNE_GEOGRID_DATAHANDLE_HH
#include <dune/common/typetraits.hh>
#include <dune/grid/common/datahandleif.hh>
#include <dune/grid/common/grid.hh>
#include <dune/grid/geometrygrid/capabilities.hh>
#include <dune/grid/geometrygrid/entity.hh>
namespace Dune
{
namespace GeoGrid
{
template< int codim, class Grid >
class EntityProxy
{
typedef typename remove_const< Grid >::type::Traits Traits;
typedef typename Traits::template Codim< codim >::Entity Entity;
typedef GeoGrid::Entity< codim, Traits::dimension, const Grid > EntityImpl;
typedef typename EntityImpl::HostEntity HostEntity;
template< bool >
struct InitReal
{
static void apply ( EntityImpl &entityImpl, const HostEntity &hostEntity )
{
entityImpl.initialize( hostEntity );
}
};
template< bool >
struct InitFake
{
static void apply ( EntityImpl &entityImpl, const HostEntity &hostEntity )
{
DUNE_THROW( NotImplemented, "Host grid has no entities for codimension " << codim << "." );
}
};
static const bool hasHostEntity = Capabilities::hasHostEntity< Grid, codim >::v;
typedef typename SelectType< hasHostEntity, InitReal< true >, InitFake< false > >::Type Init;
public:
EntityProxy ( const Grid &grid, const HostEntity &hostEntity )
: entity_( EntityImpl( grid ) )
{
Init::apply( Grid::getRealImplementation( entity_ ), hostEntity );
}
const Entity &operator* () const
{
return entity_;
}
private:
Entity entity_;
};
// GeometryGridDataHandle
// ----------------------
template< class Grid, class WrappedHandle >
class CommDataHandle
: public CommDataHandleIF< CommDataHandle< Grid, WrappedHandle >, typename WrappedHandle::DataType >
{
typedef typename remove_const< Grid >::type::Traits Traits;
public:
CommDataHandle ( const Grid &grid, WrappedHandle &handle )
: grid_( grid ),
wrappedHandle_( handle )
{}
bool contains ( int dim, int codim ) const
{
const bool contains = wrappedHandle_.contains( dim, codim );
if( contains )
assertHostEntity( dim, codim );
return contains;
}
bool fixedsize ( int dim, int codim ) const
{
return wrappedHandle_.fixedsize( dim, codim );
}
template< class HostEntity >
size_t size ( const HostEntity &hostEntity ) const
{
EntityProxy< HostEntity::codimension, Grid > proxy( grid_, hostEntity );
return wrappedHandle_.size( *proxy );
}
template< class MessageBuffer, class HostEntity >
void gather ( MessageBuffer &buffer, const HostEntity &hostEntity ) const
{
EntityProxy< HostEntity::codimension, Grid > proxy( grid_, hostEntity );
wrappedHandle_.gather( buffer, *proxy );
}
template< class MessageBuffer, class HostEntity >
void scatter ( MessageBuffer &buffer, const HostEntity &hostEntity, size_t size )
{
EntityProxy< HostEntity::codimension, Grid > proxy( grid_, hostEntity );
wrappedHandle_.scatter( buffer, *proxy, size );
}
private:
static void assertHostEntity ( int dim, int codim )
{
if( !Capabilities::CodimCache< Grid >::hasHostEntity( codim ) )
noEntity( codim );
}
static void noEntity ( int codim )
{
DUNE_THROW( NotImplemented, "Host grid has no entities for codimension " << codim << "." );
}
const Grid &grid_;
WrappedHandle &wrappedHandle_;
};
} // namespace GeoGrid
} // namespace Dune
#endif // #ifndef DUNE_GEOGRID_DATAHANDLE_HH
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