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/*@@
@file Startup.c
@date Mon Mar 15 15:48:42 1999
@author Gerd Lanfermann
@desc
Startup file to register the GHextension and coordinates
@enddesc
@version $Id$
@@*/
#include <stdlib.h>
#include "cctk.h"
#include "Symmetry.h"
/* the rcs ID and its dummy function to use it */
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(CactusBase_CartGrid3D_Startup_c)
/********************************************************************
******************** External Routines ************************
********************************************************************/
void SymmetryStartup (void);
int RegisterCartGrid3DCoords (void);
/********************************************************************
******************** Internal Routines ************************
********************************************************************/
static void *SetupGH (tFleshConfig *config, int convlevel, cGH *GH);
/*@@
@routine SymmetryStartup
@date Mon Mar 15 15:49:16 1999
@author Gerd Lanfermann
@desc
Routine registers the GH extension for CartGrid3D
along with its setup routine.
@enddesc
@calls CCTK_RegisterGHExtension
CCTK_RegisterGHExtensionSetupGH
@@*/
void SymmetryStartup (void)
{
CCTK_RegisterGHExtensionSetupGH (CCTK_RegisterGHExtension ("Symmetry"),
SetupGH);
}
/*@@
@routine RegisterCartGrid3DCoords
@date
@author Gabrielle Allen
@desc
Routine registers the coordinates provided by CartGrid3D
@enddesc
@calls CCTK_CoordRegisterSystem
CCTK_CoordRegisterData
@returntype int
@returndesc
0 for success, or negative in case of errors
@endreturndesc
@@*/
int RegisterCartGrid3DCoords (void)
{
int nerrors;
nerrors = 0;
CCTK_CoordRegisterSystem (3, "cart3d");
CCTK_CoordRegisterSystem (3, "spher3d");
if (CCTK_CoordRegisterData (1, "grid::x", "x", "cart3d") < 0)
{
CCTK_WARN (1, "Problem with registering coordinate x");
nerrors--;
}
if (CCTK_CoordRegisterData (2, "grid::y", "y", "cart3d") < 0)
{
CCTK_WARN (1, "Problem with registering coordinate y");
nerrors--;
}
if (CCTK_CoordRegisterData (3, "grid::z", "z", "cart3d") < 0)
{
CCTK_WARN (1, "Problem with registering coordinate z");
nerrors--;
}
if (CCTK_CoordRegisterData (1, "grid::r", "r", "spher3d") < 0)
{
CCTK_WARN (1, "Problem with registering coordinate r");
nerrors--;
}
return (nerrors);
}
/********************************************************************
******************** Internal Routines ************************
********************************************************************/
static void *SetupGH (tFleshConfig *config, int convlevel, cGH *GH)
{
int i, j, maxdim, numvars;
SymmetryGHex *myGH;
/* avoid compiler warnings about unused arguments */
(void) (config + 0);
(void) (convlevel + 0);
(void) (GH + 0);
maxdim = CCTK_MaxDim ();
numvars = CCTK_NumVars ();
/* allocate the GH extension */
myGH = (SymmetryGHex *) malloc (sizeof (SymmetryGHex));
if (myGH)
{
/* allocation for the number of grid functions */
myGH->GFSym = (int **) malloc (numvars * sizeof (int *));
/* allocation for the number of dimensions*/
for (i = 0; i < numvars; i++)
{
myGH->GFSym[i] = (int *) malloc (2 * maxdim * sizeof (int));
for (j = 0; j < 2 * maxdim; j++)
{
myGH->GFSym[i][j] = GFSYM_UNSET; /* not set */
}
}
}
return (myGH);
}
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