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/*@@
@file CactusSync.c
@date Thu Sep 18 14:27:18 1999
@author Gerd Lanfermann
@desc
A collection of SyncGroup routines:
Sync a group by the GROUP INDEX, by the group's VARIABLE NAME,
by the group's VARIABLE INDEX.
It ends up calling CCTK_SyncGroup(GH,groupname),
which is overloaded (currently by PUGH).
@enddesc
@version $Id$
@@*/
#include <stdlib.h>
#include "cctk_Flesh.h"
#include "cctk_FortranString.h"
#include "cctk_Comm.h"
#include "cctk_Groups.h"
#include "cctk_Sync.h"
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(comm_CactusSync_c);
/********************************************************************
******************** External Routines ************************
********************************************************************/
/* prototypes for external C routines are declared in header cctk_Groups.h
here only follow the fortran wrapper prototypes */
void CCTK_FCALL CCTK_FNAME (CCTK_SyncGroupI)
(int *ierror, const cGH **GH, const int *group);
void CCTK_FCALL CCTK_FNAME (CCTK_SyncGroupWithVar)
(int *ierror, const cGH **GH, ONE_FORTSTRING_ARG);
void CCTK_FCALL CCTK_FNAME (CCTK_SyncGroupWithVarI)
(int *ierror, const cGH **GH, const int *var);
void CCTK_FCALL CCTK_FNAME (CCTK_SyncGroupsI)
(int *ierror, const cGH **GH, const int *num_groups,
const int *groups);
/*@@
@routine CCTK_SyncGroupI
@date Thu Sep 18 14:27:18 1999
@author Gerd Lanfermann
@desc
Synchronizes a group given by its index.
@enddesc
@calls CCTK_SyncGroupsI
@var GH
@vdesc Pointer to Grid Hierachy
@vtype const cGH *
@vio in
@endvar
@var group
@vdesc group index
@vtype int
@vio in
@endvar
@returntype int
@returndesc
0 for success, or<BR>
-negative return code of @seeroutine CCTK_SyncGroupsI
@endreturndesc
@@*/
int CCTK_SyncGroupI (const cGH *GH, int group)
{
int retval;
retval = CCTK_SyncGroupsI (GH, 1, &group);
return (retval == 1 ? 0 : retval);
}
void CCTK_FCALL CCTK_FNAME (CCTK_SyncGroupI)
(int *ierror, const cGH **GH, const int *group)
{
CCTK_SyncGroupI (*GH, *group);
*ierror = 0;
}
/*@@
@routine CCTK_SyncGroupWithVar
@date Thu Sep 18 14:27:18 1999
@author Gerd Lanfermann
@desc
Synchronizes a group which contains the given variable
(given by its name).
@enddesc
@calls CCTK_GroupIndexFromVarI
CCTK_VarIndex
CCTK_SyncGroupI
@var GH
@vdesc Pointer to Grid Hierachy
@vtype const cGH *
@vio in
@endvar
@var varname
@vdesc full variable name
@vtype const char *
@vio in
@endvar
@returntype int
@returndesc
return code of @seeroutine CCTK_SyncGroupI
@endreturndesc
@@*/
int CCTK_SyncGroupWithVar (const cGH *GH, const char *varname)
{
int idx;
idx = CCTK_VarIndex (varname);
idx = CCTK_GroupIndexFromVarI (idx);
return (CCTK_SyncGroupI (GH, idx));
}
void CCTK_FCALL CCTK_FNAME (CCTK_SyncGroupWithVar)
(int *ierror, const cGH **GH, ONE_FORTSTRING_ARG)
{
ONE_FORTSTRING_CREATE (varname);
*ierror = CCTK_SyncGroupWithVar (*GH, varname);
free (varname);
}
/*@@
@routine CCTK_SyncGroupWithVarI
@date Thu Sep 18 14:27:18 1999
@author Gerd Lanfermann
@desc
Synchronizes a group which contains the given variable
(given by its index).
@enddesc
@calls CCTK_GroupIndexFromVarI
CCTK_SyncGroupI
@var GH
@vdesc Pointer to Grid Hierachy
@vtype const cGH *
@vio in
@endvar
@var var
@vdesc variable index
@vtype int
@vio in
@endvar
@returntype int
@returndesc
return code of @seeroutine CCTK_SyncGroupI
@endreturndesc
@@*/
int CCTK_SyncGroupWithVarI (const cGH *GH, int var)
{
int idx;
idx = CCTK_GroupIndexFromVarI (var);
return (CCTK_SyncGroupI (GH, idx));
}
void CCTK_FCALL CCTK_FNAME (CCTK_SyncGroupWithVarI)
(int *ierror, const cGH **GH, const int *var)
{
*ierror = CCTK_SyncGroupWithVarI (*GH, *var);
}
/*@@
@routine CCTK_SyncGroupsI
@date Thu Jan 27 18:00:15 2000
@author Tom Goodale
@desc
Synchronises a list of groups given by their group indices.
@enddesc
@calls CCTK_SyncGroupsByDirI
@var GH
@vdesc Pointer to Grid Hierachy
@vtype const cGH *
@vio in
@endvar
@var n_groups
@vdesc number of groups to synchronize
@vtype int
@vio in
@endvar
@var groups
@vdesc list of group indices
@vtype const int *
@vio in
@endvar
@returntype int
@returndesc
the total number of groups synchronized, or
-negative return code of @seeroutine CCTK_SyncGroupsByDirI
@endreturndesc
@@*/
int CCTK_SyncGroupsI (const cGH *GH,
int n_groups,
const int *groups)
{
int retval;
/* passing NULL as the last argument means: synchronise all directions */
retval = CCTK_SyncGroupsByDirI (GH, n_groups, groups, NULL);
return (retval);
}
void CCTK_FCALL CCTK_FNAME (CCTK_SyncGroupsI)
(int *ierror, const cGH **GH, const int *num_groups, const int *groups)
{
*ierror = CCTK_SyncGroupsI (*GH, *num_groups, groups);
}
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