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/*@@
@file Symmetry.c
@date Mon Mar 15 15:09:00 1999
@author Gerd Lanfermann
@desc
This file contains the routines for registering and applying symmetry
boundary conditions
@enddesc
@@*/
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_FortranString.h"
#include "Symmetry.h"
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(CactusBase_CartGrid3D_SetSymmetry_c)
/********************************************************************
********************* External Routines **********************
********************************************************************/
void DecodeSymParameters3D(int sym[6]);
void CCTK_FCALL CCTK_FNAME(SetCartSymVI)
(int *ierr, const cGH **GH, const int *sym, const int *vi);
void CCTK_FCALL CCTK_FNAME(SetCartSymVN)
(int *ierr, const cGH **GH, const int *sym, ONE_FORTSTRING_ARG);
void CCTK_FCALL CCTK_FNAME(SetCartSymGI)
(int *ierr, const cGH **GH, const int *sym, const int *gi);
void CCTK_FCALL CCTK_FNAME(SetCartSymGN)
(int *ierr, const cGH **GH, const int *sym, ONE_FORTSTRING_ARG);
/*@@
@routine SetCartSymmetry
@date Mon Mar 15 15:10:58 1999
@author Gerd Lanfermann
@desc
This routine sets the GH extension (EinsteinBoundGHex *bGHex),
which describes the symmetry boundary type of each GF. Takes
the name of the GF ("implementation::gfname") and the
symmetry operators sx,sy,sz and inserts them in the array bGHex.
These values will looked up by the application routines
SymmetryWrappers
@enddesc
@history
enhanced by E.Schnetter
@endhistory
@@*/
int SetCartSymVI (const cGH *GH, const int *sym, int vi)
{
int domainsym[MAX_FACE];
SymmetryGHex *sGHex;
int dir;
DECLARE_CCTK_PARAMETERS
/* Pointer to the SymmetryGHextension */
sGHex = (SymmetryGHex *) CCTK_GHExtension (GH, "Symmetry");
/* Reference the hash table in the GHex and tell it what kind of
symmetry is being applied
(depending on sym and the grid layout)
If there is no symmetry necessary,set ESYM_NOSYM
When we apply a symmetry and find ESYM_UNSET, something went wrong!
*/
#ifdef SYM_DEBUG
printf("SetSymmetry: %s [%d,%d,%d]\n",CCTK_VarName(vi), sym[0],sym[1],sym[2]);
#endif
DecodeSymParameters3D(domainsym);
for (dir=0; dir<MAX_FACE; ++dir)
{
if (domainsym[dir] == GFSYM_REFLECTION)
{
sGHex->GFSym[vi][dir] = sym[dir/2];
}
else if (domainsym[dir] == GFSYM_ROTATION_X)
{
sGHex->GFSym[vi][dir] = sym[1]*sym[2];
}
else if (domainsym[dir] == GFSYM_ROTATION_Y)
{
sGHex->GFSym[vi][dir] = sym[0]*sym[2];
}
else if (domainsym[dir] == GFSYM_ROTATION_Z)
{
sGHex->GFSym[vi][dir] = sym[0]*sym[1];
}
else
{
sGHex->GFSym[vi][dir] = GFSYM_NOSYM;
}
}
#ifdef SYM_DEBUG
printf("SetSymmetry: %s [%d,%d,%d]\n\n", CCTK_VarName(vi),
sGHex->GFSym[vi][0], sGHex->GFSym[vi][2], sGHex->GFSym[vi][4]);
#endif
return (0);
}
void CCTK_FCALL CCTK_FNAME(SetCartSymVI)
(int *ierr, const cGH **GH, const int *sym, const int *vi)
{
*ierr = SetCartSymVI (*GH, sym, *vi);
}
/*@@
@routine SetCartSymVN
@date Thu May 11 13:32:55 2000
@author Gerd Lanfermann
@desc
Applies symmetry boundary conditions from
variable index
@enddesc
@@*/
int SetCartSymVN(const cGH *GH, const int *sym, const char *vn)
{
int vi, retval;
vi = CCTK_VarIndex(vn);
if (vi >= 0)
{
retval = SetCartSymVI (GH, sym, vi);
}
else
{
CCTK_VWarn(1,__LINE__,__FILE__,CCTK_THORNSTRING,
"Unknown variable '%s' in SetCartSymVN", vn);
retval = -1;
}
return (retval);
}
void CCTK_FCALL CCTK_FNAME(SetCartSymVN)
(int *ierr, const cGH **GH, const int *sym, ONE_FORTSTRING_ARG)
{
ONE_FORTSTRING_CREATE(vn)
*ierr = SetCartSymVN(*GH, sym, vn);
free(vn);
}
/*@@
@routine SetCartSymGI
@date
@author Gerd Lanfermann
@desc
Applies symmetry boundary conditions from
Group index
@enddesc
@@*/
int SetCartSymGI(const cGH *GH, const int *sym, int gi)
{
int domainsym[MAX_FACE];
SymmetryGHex *sGHex;
int first_vari,numvars,vi;
int dir;
DECLARE_CCTK_PARAMETERS
sGHex = (SymmetryGHex *) CCTK_GHExtension (GH, "Symmetry");
first_vari = CCTK_FirstVarIndexI(gi);
numvars = CCTK_NumVarsInGroupI(gi);
if (first_vari<0)
{
CCTK_VWarn(1,__LINE__,__FILE__,CCTK_THORNSTRING,
"Cannot find group %s (grp.index: %d) in SetCartSymGI",
CCTK_GroupName(gi),first_vari);
return(-1);
}
/* Reference the hash table in the GHex and tell it what kind of
symmetry is being applied
(depending on sym and the grid layout)
If there is no symmetry necessary,set ESYM_NOSYM
When we apply a symmetry and find ESYM_UNSET, something went wrong!
*/
for (vi=first_vari; vi<first_vari+numvars; vi++)
{
#ifdef SYM_DEBUG
printf("SetSymmetry: %s [%d,%d,%d]\n",CCTK_VarName(vi),
sym[0],sym[1],sym[2]);
#endif
DecodeSymParameters3D (domainsym);
for (dir=0; dir<MAX_FACE; dir++)
{
if (domainsym[dir] == GFSYM_REFLECTION)
{
sGHex->GFSym[vi][dir] = sym[dir/2];
}
else if (domainsym[dir] == GFSYM_ROTATION_X)
{
sGHex->GFSym[vi][dir] = sym[1]*sym[2];
}
else if (domainsym[dir] == GFSYM_ROTATION_Y)
{
sGHex->GFSym[vi][dir] = sym[0]*sym[2];
}
else if (domainsym[dir] == GFSYM_ROTATION_Z)
{
sGHex->GFSym[vi][dir] = sym[0]*sym[1];
}
else
{
sGHex->GFSym[vi][dir] = GFSYM_NOSYM;
}
}
#ifdef SYM_DEBUG
printf("SetSymmetry: %s [%d,%d,%d]\n\n", CCTK_VarName(vi),
sGHex->GFSym[vi][0],
sGHex->GFSym[vi][2],
sGHex->GFSym[vi][4]);
#endif
}
return(0);
}
void CCTK_FCALL CCTK_FNAME(SetCartSymGI)
(int *ierr, const cGH **GH, const int *sym, const int *gi)
{
*ierr = SetCartSymGI(*GH, sym, *gi);
}
/*@@
@routine
@date
@author
@desc
Applies symmetry boundary conditions from
"Implementation::Groupname"
@enddesc
@@*/
int SetCartSymGN(const cGH *GH, const int *sym, const char *gn)
{
int gi, retval;
gi = CCTK_GroupIndex(gn);
if (gi >= 0)
{
retval = SetCartSymGI (GH, sym, gi);
}
else
{
CCTK_VWarn(1,__LINE__,__FILE__,CCTK_THORNSTRING,
"Unknown group '%s' in SetCartSymGN", gn);
retval = -1;
}
return (retval);
}
void CCTK_FCALL CCTK_FNAME(SetCartSymGN)
(int *ierr, const cGH **GH, const int *sym, ONE_FORTSTRING_ARG)
{
ONE_FORTSTRING_CREATE(gn)
*ierr = SetCartSymGN(*GH, sym, gn);
free(gn);
}
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