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/*@@
@header cGH.h
@date Wed Feb 17 03:17:47 1999
@author Tom Goodale
@desc
The cGH structure.
@enddesc
@version $Header$
@@*/
#ifndef _CGH_H_
#define _CGH_H_ 1
#include "cctk_Types.h"
typedef struct
{
char storage;
char comm;
} cGHGroupData;
typedef struct _cGH
{
int cctk_dim;
int cctk_iteration;
/* ...[dim]*/
int *cctk_gsh;
int *cctk_lsh;
int *cctk_lbnd;
int *cctk_ubnd;
/* allocated shape */
int *cctk_ash;
/* unused */
int *cctk_to;
int *cctk_from;
/* The grid spacings */
CCTK_REAL cctk_delta_time;
CCTK_REAL *cctk_delta_space;
/* FIXME we want coordinate registration instead of this */
CCTK_REAL *cctk_origin_space;
/* The bounding box - 1 => a real boundary, 0 => a local grid boundary. */
/* bbox[2*dim] */
int *cctk_bbox;
/* The refinement factor over the top level (coarsest) grid. */
int *cctk_levfac;
/* Offset between this level's and the coarsest level's origin */
int *cctk_levoff;
int *cctk_levoffdenom;
/* The refinement factor in time over the top level (coarsest) grid. */
int cctk_timefac;
/* The convergence level (numbered from zero upwards) */
int cctk_convlevel;
/* The (per level) convergence factor */
int cctk_convfac;
/* The number of ghostzones in each direction */
int *cctk_nghostzones;
/* The coordinate time */
CCTK_REAL cctk_time;
/* An identifier string for this hierarchy
(used to construct names for output files) */
const char *identity;
/* data[variable_index][timelevel][ijk]
(ijk is as calculated e.g. by CCTK_GFINDEX3D) */
void ***data;
/* The extension array */
void **extensions;
/* All the group data for this GH (storage, comm, etc. */
cGHGroupData *GroupData;
} cGH;
#endif /* _CGH_H_ */
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