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|
/*@@
@file SymmetryWrappers.c
@date April 2000
@author Gerd Lanfermann
@desc
Apply symmetry boundary conditions
@enddesc
@@*/
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_FortranString.h"
#include "Symmetry.h"
void DecodeSymParameters3D(int sym[6]);
void CCTK_FCALL CCTK_FNAME(CartSymGI)(int *ierr, cGH *GH, int *gi);
void CCTK_FCALL CCTK_FNAME(CartSymGN)
(int *ierr, cGH *GH, ONE_FORTSTRING_ARG);
void CCTK_FCALL CCTK_FNAME(CartSymVI)(int *ierr, cGH *GH, int *vi);
void CCTK_FCALL CCTK_FNAME(CartSymVN)
(int *ierr, cGH *GH, ONE_FORTSTRING_ARG);
int CartApplySym3Di(cGH *GH,
int *doSym,
int *cntstag,
int *lssh,
int *ghostz,
int *sym,
CCTK_REAL *var);
int CartApplySym2Di(cGH *GH,
int *doSym,
int *cntstag,
int *lssh,
int *ghostz,
int *sym,
CCTK_REAL *var);
int CartApplySym1Di(cGH *GH,
int *doSym,
int *cntstag,
int *lssh,
int *ghostz,
int *sym,
CCTK_REAL *var);
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(CactusBase_CartGrid3D_SymmetryWrappers_c)
/*#define SYM_DEBUG*/
/*@@
@routine
@date
@author
@desc
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int CartSymGI(cGH *GH, int gi)
{
DECLARE_CCTK_PARAMETERS
int numvars, vi, first_vi;
int idim, gdim;
int berr=-1,ierr=-1;
int time;
int *doSym, *dstag, *lssh, *cntstag;
int domainsym[MAX_FACE];
SymmetryGHex *sGHex;
/* Get out if we are sure no symmetries should be applied */
/* FIXME: There has to be a better way early bailout! */
/*$if (CCTK_Equals(domain,"full")) return 0;$*/
first_vi = CCTK_FirstVarIndexI(gi);
if (first_vi<0)
{
CCTK_VWarn(1,__LINE__,__FILE__,CCTK_THORNSTRING,
"CartSymGI: Cannot find group %d (%s)",gi,CCTK_GroupName(gi));
return(-1);
}
numvars = CCTK_NumVarsInGroupI(gi);
gdim = CCTK_GroupDimI(gi);
sGHex = (SymmetryGHex*)GH->extensions[CCTK_GHExtensionHandle("Symmetry")];
doSym = (int *)malloc((2*gdim)*sizeof(int));
dstag = (int *)malloc(gdim*sizeof(int));
lssh = (int *)malloc(gdim*sizeof(int));
cntstag= (int *)malloc(gdim*sizeof(int));
/* get the directional staggering of the group */
ierr = CCTK_GroupStaggerDirArrayGI(dstag, gdim, gi);
/* Set value to one if grid is staggered around the center */
/* Avoid origin? Default is yes */
cntstag[0] = no_origin && no_originx && avoid_origin && avoid_originx;
cntstag[1] = no_origin && no_originy && avoid_origin && avoid_originy;
cntstag[2] = no_origin && no_originz && avoid_origin && avoid_originz;
/* Use next time level, if present */
time = 0;
/*if (time < 0)
{
time = 0;
}*/
DecodeSymParameters3D(domainsym);
for (vi=first_vi; vi<first_vi+numvars; vi++)
{
/* Apply Symmetries to lower sides [0,2,4,...] if:
+ if the Symmetry is activated (== NOT NOSYM)
+ if the Symmetry is set (== NOT UNSET)
+ if the length in the direction is more than 1 grid point
+ if the processor has a lower physical boundary.
Whether a grid allows a symmetry along a direction (e.g. octant=all)
is part if the Symmetry Setup process.
No Symmetries for "upper" sides : [1,3,5,...]
*/
for (idim=0; idim<gdim; idim++)
{
if ((sGHex->GFSym[vi][idim*2] == GFSYM_UNSET))
{
CCTK_VWarn(0,__LINE__,__FILE__,CCTK_THORNSTRING,
"Symmetries unspecified for %s",CCTK_FullName(vi));
}
lssh[idim] = GH->cctk_lssh[CCTK_LSSH_IDX(dstag[idim],idim)];
if (((sGHex->GFSym[vi][idim*2] != GFSYM_NOSYM) &&
(sGHex->GFSym[vi][idim*2] != GFSYM_UNSET)) &&
lssh[idim]>1 && GH->cctk_bbox[idim*2]==1)
{
doSym[idim*2] = domainsym[idim*2];
}
else
{
doSym[idim*2] = 0;
}
doSym[idim*2+1] = 0;
}
#ifdef SYM_DEBUG
printf(" DOSYM: %s [%d,%d] [%d,%d] [%d,%d] --- %d %d %d\n",
CCTK_VarName(vi),
doSym[0],doSym[1],
doSym[2],doSym[3],
doSym[4],doSym[5],
sGHex->GFSym[vi][0],
sGHex->GFSym[vi][2],
sGHex->GFSym[vi][4]);
#endif
switch (gdim)
{
case 1: berr = CartApplySym1Di(GH,
doSym,
cntstag,
lssh,
GH->cctk_nghostzones,
sGHex->GFSym[vi],
GH->data[vi][time]); break;
case 2: berr = CartApplySym2Di(GH,
doSym,
cntstag,
lssh,
GH->cctk_nghostzones,
sGHex->GFSym[vi],
GH->data[vi][time]); break;
case 3: berr = CartApplySym3Di(GH,
doSym,
cntstag,
lssh,
GH->cctk_nghostzones,
sGHex->GFSym[vi],
GH->data[vi][time]); break;
default: berr = -1; CCTK_WARN(1, "No Symmetries for GF of dim>3");
}
berr=(berr>-1)?0:-1;
}
free(dstag);
free(doSym);
free(lssh);
free(cntstag);
return(ierr);
}
void CCTK_FCALL CCTK_FNAME(CartSymGI)(int *ierr, cGH *GH, int *gi)
{
*ierr = CartSymGI(GH,*gi);
return;
}
/*@@
@routine
@date
@author
@desc
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int CartSymGN(cGH *GH, const char *gn)
{
int gi=CCTK_GroupIndex(gn);
int retval=-1;
if (gi>-1)
{
retval = CartSymGI(GH,gi);
}
else
{
CCTK_VWarn(1,__LINE__,__FILE__,CCTK_THORNSTRING,
"CartSymGN: Cannot find group %s",gn);
}
return retval;
}
void CCTK_FCALL CCTK_FNAME(CartSymGN)
(int *ierr, cGH *GH, ONE_FORTSTRING_ARG)
{
ONE_FORTSTRING_CREATE(gn)
*ierr = CartSymGN(GH,gn);
free(gn);
return;
}
/*@@
@routine
@date
@author
@desc
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int CartSymVI(cGH *GH, int vi)
{
DECLARE_CCTK_PARAMETERS
int gi;
int idim, gdim;
int berr=-1;
int time;
int *doSym, *dstag, *lssh, *cntstag;
SymmetryGHex *sGHex;
/* Get out if we are sure no symmetries should be applied */
/* FIXME: There has to be a better way early bailout! */
if (CCTK_Equals(domain,"full")) return 0;
/* get the dimension/directional staggering of the
group that vi belongs to */
gi = CCTK_GroupIndexFromVarI(vi);
if (gi<0)
{
CCTK_VWarn(1,__LINE__,__FILE__,CCTK_THORNSTRING,
"Cannot find variable index %d (%s) in CartSymVI",
vi,CCTK_FullName(vi));
return(-1);
}
gdim = CCTK_GroupDimI(gi);
sGHex = (SymmetryGHex*)GH->extensions[CCTK_GHExtensionHandle("Symmetry")];
doSym = (int *)malloc((2*gdim)*sizeof(int));
dstag = (int *)malloc(gdim*sizeof(int));
lssh = (int *)malloc(gdim*sizeof(int));
cntstag= (int *)malloc(gdim*sizeof(int));
/* get the directional staggering of the group */
berr = CCTK_GroupStaggerDirArrayGI(dstag, gdim, gi);
/* Avoid origin? Default is yes */
cntstag[0] = no_origin && no_originx && avoid_origin && avoid_originx;
cntstag[1] = no_origin && no_originy && avoid_origin && avoid_originy;
cntstag[2] = no_origin && no_originz && avoid_origin && avoid_originz;
/* Use next time level, if present */
time = 0;
/* if (time < 0)
{
time = 0;
}*/
/* Apply Symmetries to lower sides [0,2,4] if:
+ if the Symmetry is activated (== NOT NOSYM)
+ if the Symmetry is set (== NOT UNSET)
+ if the length in the direction is more than 1 grid point
+ if the processor has a lower physical boundary.
Whether a grid allows a symmetry along a direction (e.g. octant=all)
is part if the Symmetry Setup process.
No Symmetries for "upper" sides : [1,3,5]
*/
for (idim=0; idim<gdim; idim++)
{
if (sGHex->GFSym[vi][idim*2]==GFSYM_UNSET)
{
CCTK_VWarn(0,__LINE__,__FILE__,CCTK_THORNSTRING,
"Symmetries unspecified for %s", CCTK_FullName(vi));
}
lssh[idim] = GH->cctk_lssh[CCTK_LSSH_IDX(dstag[idim],idim)];
doSym[idim*2] = (((sGHex->GFSym[vi][idim*2]!=GFSYM_NOSYM) &&
(sGHex->GFSym[vi][idim*2]!=GFSYM_UNSET)) &&
lssh[idim]>1 && GH->cctk_bbox[idim*2]);
doSym[idim*2+1] = 0;
}
#ifdef SYM_DEBUG
printf(" DOSYM: %s [%d,%d] [%d,%d] [%d,%d] --- %d %d %d\n",
CCTK_VarName(vi),
doSym[0],doSym[1],
doSym[2],doSym[3],
doSym[4],doSym[5],
sGHex->GFSym[vi][0],
sGHex->GFSym[vi][2],
sGHex->GFSym[vi][4]);
#endif
switch (gdim)
{
case 1: berr = CartApplySym1Di(GH,
doSym,
cntstag,
lssh,
GH->cctk_nghostzones,
sGHex->GFSym[vi],
GH->data[vi][time]); break;
case 2: berr = CartApplySym2Di(GH,
doSym,
cntstag,
lssh,
GH->cctk_nghostzones,
sGHex->GFSym[vi],
GH->data[vi][time]); break;
case 3: berr = CartApplySym3Di(GH,
doSym,
cntstag,
lssh,
GH->cctk_nghostzones,
sGHex->GFSym[vi],
GH->data[vi][time]); break;
default: berr = -1; CCTK_WARN(1, "No Symmetries for GF dim>3");
}
free(lssh);
free(dstag);
free(doSym);
free(cntstag);
return(berr);
}
void CCTK_FCALL CCTK_FNAME(CartSymVI)(int *ierr, cGH *GH, int *vi)
{
*ierr = CartSymVI(GH, *vi);
return;
}
/*@@
@routine
@date
@author
@desc
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int CartSymVN(cGH *GH, const char *vn)
{
int retval=-1;
int vi=CCTK_VarIndex(vn);
if (vi>-1)
{
retval = CartSymVI(GH, vi);
}
else
{
CCTK_VWarn(1,__LINE__,__FILE__,CCTK_THORNSTRING,
"Cannot find variable %s in CartSymVN",vn);
}
return retval;
}
void CCTK_FCALL CCTK_FNAME(CartSymVN)
(int *ierr, cGH *GH, ONE_FORTSTRING_ARG)
{
ONE_FORTSTRING_CREATE(vn)
*ierr = CartSymVN(GH,vn);
free(vn);
return;
}
|
