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/*@@
@file GHExtension.c
@date Sun Sept 22 2002
@author Gabrielle Allen and David Rideout
@desc
CoordBase GHExtension setup
@enddesc
@version $Id$
@@*/
#include <stdlib.h>
#include "cctk.h"
#include "CoordBase.h"
#include "coordbaseGH.h"
#include "util_Hash.h"
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(CactusBase_CoordBase_GHExtension_c);
/********************************************************************
********************* Scheduled Routine Prototypes ***************
********************************************************************/
int CoordBase_Startup (void);
/********************************************************************
********************* Local Routine Prototypes *********************
********************************************************************/
static void *CoordBase_SetupGH (tFleshConfig *config, int conv_level, cGH *GH);
/********************************************************************
********************* External Routines **********************
********************************************************************/
/*@@
@routine CoordBase_Startup
@date Sunday Sept 22 2002
@author Gabrielle Allen
@desc
The startup registration routine for CoordBase.
Registers the GH extension needed for CoordBase.
@enddesc
@calls CCTK_RegisterGHExtension
CCTK_RegisterGHExtensionSetupGH
@@*/
int CoordBase_Startup (void)
{
int GHex_handle;
GHex_handle = CCTK_RegisterGHExtension ("CoordBase");
CCTK_RegisterGHExtensionSetupGH (GHex_handle, CoordBase_SetupGH);
return 0;
}
/********************************************************************
******************** Internal Routines ************************
********************************************************************/
/*@@
@routine CoordBase_SetupGH
@date Sun Sept 22 2002
@author Gabrielle Allen
@desc
Allocates CoordBase's GH extension structure
@enddesc
@calls Util_HashCreate
@var config
@vdesc the CCTK configuration as provided by the flesh
@vtype tFleshConfig *
@vio unused
@endvar
@var conv_level
@vdesc the convergence level
@vtype int
@vio unused
@endvar
@var GH
@vdesc Pointer to CCTK grid hierarchy
@vtype cGH *
@vio in
@endvar
@returntype void *
@returndesc
pointer to the allocated GH extension structure
@endreturndesc
@@*/
static void *CoordBase_SetupGH (tFleshConfig *config, int conv_level, cGH *GH)
{
int maxdim;
int *default_coord_systems;
coordbaseGH *myGH;
/* suppress compiler warnings about unused variables */
(void) (config + 0);
(void) (conv_level + 0);
(void) (GH + 0);
maxdim = CCTK_MaxDim();
/* allocate the GH extension and its components */
myGH = malloc (sizeof (coordbaseGH));
default_coord_systems = malloc(maxdim * sizeof(int));
if (myGH && default_coord_systems)
{
myGH->default_coord_systems = default_coord_systems;
while (--maxdim >= 0)
{
myGH->default_coord_systems[maxdim] = COORDERROR_NOSYSTEM;
}
myGH->coordsystems = Util_HashCreate(8);
}
else
{
CCTK_WARN (0, "CoordBase_SetupGH: Unable to allocate memory for GH "
"extension");
free (default_coord_systems);
myGH = NULL;
}
return (myGH);
}
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