Mesh block for the 4th order Yee orhtogonal mesh. More...

#include <yee4.h>

Inheritance diagram for emYeeRectBlock4:

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Collaboration diagram for emYeeRectBlock4:

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Public Types
typedef base_t::contour_t	contour_t
	geometrically the contour is the same as for the 2nd order scheme, only having 4 extra input points outside its outline

Public Types inherited from emYeeRectBlockBase< iterate_order_t, data_structure_t >
typedef Box	region_t
	Synonym for enclosing region classname.

Public Member Functions
	emYeeRectBlock4 (const Box &B, const indtype *ndim, const int wf=0)
	B - бокс, в котором находится сетка, ndim - сколько точек в сетке должно быть.

int	get_inp_data_max_count () const
	gets the maximal possible number of inputs points for one edge of a contour

int	get_edge_count (const contour_it &cnti) const
	gets the number of edges for the given contour

int	get_inp_data_index (const contour_it &cnti, int edgenum, indtype ind, valtype coeff, int check=0) const
	gets the data index and coefficients of input (edge) data points to contribute to each edge center it is assumed that the pointers have space at least for get_out_data_max_count() entries if check==1 performs data index memory range validity check

int	StepO (int field)
	performs (optimized) explicit timestep

int	StepV (int field)
	performs vectorizable explicit timestep

int	StepC (int field)
	performs non-optimized contour-based explicit timestep

void	StepContour (const contour_it &cnt)
	performs explicit timestep for one single contour

Public Member Functions inherited from emYeeRectBlock
	emYeeRectBlock ()
	Default constructor for pre-initialized object to allow for post-inits.

Public Member Functions inherited from emYeeRectBlockBase< iterate_order_t, data_structure_t >
	emYeeRectBlockBase ()
	Default constructor for pre-initialized object to allow for post-inits.

Vector_3	get_position (indtype ind, int &ftype, Vector_3 &fdir) const
	Gets the position, fieldtype and direction of a data with given index.

template<int Dir = 0, class interp_form_tt , typename fix_stack_t >
std::pair< size_t, size_t >	fill_interp_value_async (fix_stack_t &fix_stack, const interp_form_tt entry, int depth, int action, const emtype src, const emtype src_vec, emtype dest, emtype *dest_vec)
	vectorized form does nothing, direct and indirect copies work the same way

emInterpolation	create_interpolation (const Vector_3 &pos, const Vector_3 &dir, int fieldtype)
	Old interpolation form.

template<class interp_arg_tt >
interp_arg_tt::interp_form_t	create_interpolation (const interp_arg_tt &arg, std::vector< interp_arg_tt > *nonlocal=NULL, bool all_nonlocal=false)
	Returns the coefficients of field interpolation.

int	get_out_data_max_count () const
	Gets the maximal possible number of output points for a contour.

template<typename contour_it_t >
int	get_out_data_index (const contour_it_t &cnti, indtype ind, valtype coeff, int check=0) const
	Gets the data index and coefficients of output (central) updated data points as distributed from contour center.

int	get_inp_data_max_count () const
	Gets the maximal possible number of inputs points for one edge of a contour.

template<typename contour_it_t >
int	get_edge_count (const contour_it_t &cnti) const
	Gets the number of edges for the given contour.

template<typename contour_it_t >
int	get_inp_data_index (const contour_it_t &cnti, int edgenum, indtype ind, valtype coeff, int check=0) const
	Gets the data index and coefficients of input (edge) data points to contribute to each edge center.

int	mark_all_unused ()
	Mark all contours as unused (the fileds will not be updated by Step).

int	mark_all_used (Vector_3 vmin=NULL, Vector_3 vmax=NULL)
	Mark all contours as used.

template<typename contour_it_t >
int	mark_cnt_used (const contour_it_t &cnti, int border=0)
	Mark the contour as used (for optimization purposes).

virtual int	commit_marking ()
	Commits the marked contours to match iterator range.

int	join_markings ()
	Joins local thread marking range with global range (for multithreaded processing).

int	auto_marking (Vector_3 vmin, Vector_3 vmax)
	Mark all contours in vmin to vmax box used.

size_t	GetDataSize () const

emtype *	GetDataPtr ()
	Gets data pointer associated with the mesh block.

int	SetDataPtr (EmtypePtr_t _ptr)
	Sets the pointer and clears values.

int	Reset ()
	Clears all buffers.

template<class contour_it_t , class contour_table_t >
indtype	put_medium (const contour_it_t &it, valtype dt, contour_table_t &table)
	Records the media data from table for a contour given by.

template<class fix_stack_t >
int	StepC (int field, fix_stack_t &fl=fix_stack_t())
	Performs non-optimized contour-based explicit timestep.

template<class fix_stack_t , typename contour_it_t >
void	StepContour (const contour_it_t &cnt, fix_stack_t &fl=fix_stack_t())
	Performs explicit timestep for one single contour.

int	set_avx_axis (int axis)
	Sets the axis that will be used for (AVX/SSE) vectorization, 0=x, 1=y, 2=z, -1 = automatic setting (usually largest dimension) Vectorization works better for dimensions with uniform geometry (less object boundaries).

int	get_transfer_flags () const

virtual int	get_first_updated_field () const
	Gets the first field to be updated in a bulk loop.

virtual int	set_first_updated_field (int _first_updated_field)
	Sets the first field to update.

template<typename contour_it_t >
Box	get_cell_bounding_box (const contour_it_t &cnti) const
	Bounding box for current yee cell.

template<typename contour_it_t >
Box	get_vec_cell_bounding_box (const contour_it_t &cnti) const
	Bounding box for vector cell that includes current iterator.

Public Member Functions inherited from base_yee_struc_t
int	adjust_dimensions (int N, const iVector_3 &extra_cells, int bc=NULL, valtype *courantf=NULL)
	Changes dimensions, resolution and boundary conditions according to requirements of the Block.

iVector_3	get_cell_cluster () const

int	init (const Box &B, const indtype *ndim, int wf_)
	Init override to initialize additional data.

void	unpack_ind (indtype ind, int &ftype, int &dir, indtype &ix, indtype &iy, indtype &iz) const
	Indexing the value.

indtype	pack_ind (int ftype, int dir, indtype ix, indtype iy, indtype iz) const
	Packs component indicies to integer.

grid_t &	get_field_grid (int ftype, int dir)
	Gets interpolation grid for each filed type and direction. The grids normally can not be used for accessing field data.

const grid_t &	get_field_grid (int ftype, int dir) const
	Gets interpolation grid for each filed type and direction.

virtual size_t	packed_size () const

virtual size_t	data_size () const

int	set_fix_storage (emFixStorage *fs)
	Sets a pointer for fix storage for contour fixes.

template<class contour_it >
int	set_contour_fix (const contour_it &cnti, int fix_flags, ptrdiff_t shift)
	Sets fix flags and shift from fix storage begin for a specific contour cnti.

template<class fix_stack_t >
void	apply_fixes_before (fix_stack_t &fix_stack, indtype oind, emtype *out) const
	Base data does not support contour fixes.

template<class fix_stack_t >
void	apply_fixes_after (fix_stack_t &fix_stack, indtype oind, emtype *out) const
	Base data does not support contour fixes.

virtual int	get_sync_hsteps () const
	Number of mesh steps per field (half steps) mesh block is performing between synchronization, i.e.

int	get_perm_sign () const
	Returns permutation sign if the coords are flipped: 1 = even (cycle), -1 = odd.

Vector_3	get_dx (bool int_order=false) const
	Gets space steps.

template<typename contour_it_t >
Box	get_vec_cell_bounding_box_extent (const contour_it_t &cnti) const
	Bounding box for current yee cell.

Public Member Functions inherited from emComponent
emDump *	GetEmDumper ()
	This function insures that the returned dumper is of true emDumper type.

Protected Member Functions
int	get_inp_data_index_unpacked (const contour_it &cnti, int edgenum, indtype *ind) const
	gets the data index and coefficients of input (edge) data points to contribute to each edge center 8 inds for each edgenum

Protected Member Functions inherited from emYeeRectBlockBase< iterate_order_t, data_structure_t >
Vector_3	get_position (indtype ix, indtype iy, indtype iz, int cdir, int ftype, Vector_3 &fdir) const
	Data position via 3 indicies, and contour ftype.

template<typename contour_it_t >
int	get_inp_data_index_unpacked (const contour_it_t &cnti, int edgenum, indtype *ind) const
	Gets the data index and coefficients of input (edge) data points to contribute to each edge center.

Protected Member Functions inherited from base_yee_struc_t
int	StepO (int field)
	performs (optimized) explicit timestep

int	StepV (int field)
	performs vectorizable explicit timestep

indtype	get_start_ind (int field, int dir) const
	Gets starting index of the mesh of certain field and dir. All other mesh indicies for (field,dir) are then calculated by adding pack_ind(ix,iy,iz).

void	set_arr (emtype *sptr)
	Assigns external pointer for data array.

template<class contour_it >
indtype	put_media_type (const contour_it &cnti, valtype dt, emtype perm, emtype loss)
	Records the media data for a contour given by.

Additional Inherited Members
Static Public Member Functions inherited from base_yee_struc_t
static constexpr int	get_fix_aggregate_size ()

Public Attributes inherited from emYeeRectBlockBase< iterate_order_t, data_structure_t >
EmtypePtr_t	ptr
	main (aligned) data pointer

indtype	ustart [6][3]
	Grid box internal area (border excluded) limits for each field type and direction, default is [1, N-2].

Vector_3	dx
	space increments

Vector_3	dx2
	space increments divided by 2

Static Public Attributes inherited from emYeeRectBlock
static constexpr int	c_USE_OPENMP_INIT
	Configuration flag for parallel initialization (contour analysis).

static constexpr int	c_USE_CONETURS = 0
	Configuration flag for switching to LRnLA version.

Protected Attributes inherited from emYeeRectBlockBase< iterate_order_t, data_structure_t >
int	dhalo_left [3] = { 1,1,1 }
	data halos for blocks with no builtin PBCs.

int	force_halos = 0
	forcing halo inclusion from both sides of the mesh. Works for axes with no builtin PBCs.

indtype	mstart [6][3]
	Commited local memory range for all grids.

indtype	estart [6][3]
	marking for grid box iterator limits for each field type and direction, default is [1, N-2].

indtype	_start [6][3]
	marking for grid box memory limits for each field type and direction, default is [1, N-2].

indtype	istart [6][3]
	marking grid box internal area (external border excluded) limits for each field type and direction, default is [1, N-2]

indtype	astart [6][3]
	marking for interpolation area (internal border included)

Vector_3	origin
	Origin point of main grid.

Box	rbox
	Bounding region [origin+dx/4, origin+nx*dx-dx/4], where nx is dimension supplied in constructor.

int	first_updated_field
	grids for different field types

int	builtin_pbc
	Bit flags specifying that periodic boudary conditions are intrinsically built in for this mesh block (in the Step procedue).

int	builtin_transfers
	If not zero, means that all transfers (both for boundaries and MPI) are intrinsically built in for this mesh block (in the Step procedue).

Protected Attributes inherited from base_yee_struc_t
int	wf
	media coefficients for vectorized main loop

int	mpi_domains
	Number of domains in DomainDecomposition.

iVector_3	decomp_recommendation
	Recommendation for DomainDecomposition layout.

indtype	SZ4
	Slice sizes.

int	topthreads
	number of threads for processing

Detailed Description

Mesh block for the 4th order Yee orhtogonal mesh.

This block class is conforming to emtMeshBlock model

Member Function Documentation

◆ get_inp_data_index()

int emYeeRectBlock4::get_inp_data_index	(	const contour_it &	cnti,
		int	edgenum,
		indtype *	ind,
		valtype *	coeff,
		int	check = `0`
	)		const

gets the data index and coefficients of input (edge) data points to contribute to each edge center it is assumed that the pointers have space at least for get_out_data_max_count() entries if check==1 performs data index memory range validity check

2 indicies and 2 coeffs

Returns: the actual number of indicies (2)

The documentation for this class was generated from the following file:

yee4.h

Public Types

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ get_inp_data_index()