The general structure for a grid variable, not used yet.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusPUGH/PUGH/trunk@113 b61c5cb5-eaca-4651-9a7a-d64986f99364

1 files changed, 63 insertions, 0 deletions

diff --git a/src/include/pGV.h b/src/include/pGV.h
new file mode 100644
index 0000000..5784a67
--- /dev/null
+++ b/src/include/pGV.h
@@ -0,0 +1,63 @@
+ /*@@
+   @header    pGV.h
+   @date      Wed Oct 13 01:14:02 CEST 1999  
+   @author    Gabrielle Allen
+   @desc 
+   The Pugh Grid Variable structure. Based heavily on the former pGH.h and pGF.h
+   @enddesc 
+   @version $Id$
+ @@*/
+
+#include "pugh_constants.h"
+
+typedef struct PGV {
+
+  /* Size of the problems */
+  int    *size;		        /* Size of array */
+  int    *nghostzones;	        /* Width of ghost zone in each direction */
+
+  /* Processor group layouts */
+  CCTK_REAL maxskew;		/* Maximum point skew */
+  int  **lb;			/* Lower bound (nprocs X 3) for each proc */
+  int  **ub;			/* Upper bound (same sizes) */
+  int  *lsize;		        /* Size on this processor */
+  int  npoints;		        /* LOCAL number of points on this proc. */
+  int  *rnpoints;		/* Number of points on each proc */
+  int  **rsize;	                /* Number of points on each proc */
+  int  **neighbors;		/* An array of size nprocs X dim*2 of the
+				 * neighbors on each side. The entry in
+				 * this array is the processor number of
+				 * the neighbor.
+				 */
+
+  char  *name;               /* The name of the grid function */
+  int   gvindex;             /* My ID number in my GH parent. */
+  void  *padddata;           /* Storage for the data. */
+  void  *data;               /* See the note above. */
+  int   *buffer_sz;          /* Size of the face ghost zones */
+  void  **send_buffer;       /* Storage for buffered Comm if */
+  void  **recv_buffer;       /* we don't use derived types */
+  int   commflag;            /* What is the comm flag set to? */
+  int   *docomm;             /* Do we do comm or not? */
+  int   storage;             /* Do we have storage or not? */
+  int   stagger;             /* Only Vertex Centered now... */
+
+  struct PGH      *parentGH; /* The GH to which I belong */
+                             /* Note this is struct PGH whic is
+                                typedeffed to pGH in pGH.h, but
+                                that is included AFTER this so we 
+                                need the full name for the lookahead
+                                structure reference thingy.
+                             */
+
+  int   varsize;             /* The size of the data */
+  int   vtype;               /* The type of the data */
+  int   gtype;               /* Variable type (GF, scalar, array) */
+
+#ifdef MPI
+  MPI_Request *sreq, *rreq;  /* Comm requests and statuses. */
+  MPI_Status ms;
+#endif
+
+} pGV;
+