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/*@@
@file PUGH_Evolve.c
@date Thu Oct 8 17:28:46 1998
@author Tom Goodale
@desc
PUGH evolution stuff.
@enddesc
@version $Header$
@hdate Tue Mar 28 22:41:15 2000 @hauthor Ed Evans
@hdesc Moved into PUGH and added time level rotation
@hdate Tue Mar 28 22:41:45 2000 @hauthor Tom Goodale
@hdesc Tidied up
@@*/
#include <stdio.h>
#include "cctk_Flesh.h"
#include "cctk_Parameters.h"
#include "cctk_Groups.h"
#include "CactusIOFunctions.h"
#include "pugh.h"
static char *rcsid="$Header$";
CCTK_FILEVERSION(CactusPUGH_PUGH_Evolve_c)
/* Define some macros for convenience. */
#define ForallConvLevels(iteration, conv_level) { \
int factor = 1; \
for(conv_level = 0 ; \
conv_level < config->nGHs; \
conv_level++) \
{ \
if(iteration%factor == 0) \
{
#define EndForallConvLevels \
}; \
factor *=2; \
}; \
}
/* Local function prototypes. */
static int DoneMainLoop (CCTK_REAL cctk_time, int iteration);
static int StepGH(cGH *GH);
static void RotateTimeLevelsGH(cGH *cgh);
/*@@
@routine PUGH_Evolve
@date Thu Oct 8 17:30:15 1998
@author Tom Goodale
@desc
PUGH's evolution routine.
@enddesc
@calls
@calledby
@history
@hdate Tue Mar 28 22:42:47 2000 @hauthor Ed Evans
@hdesc Copied from CactusDefaultEvolve and added rotation
@hdate Tue Mar 28 22:43:18 2000 @hauthor Tom Goodale
@hdesc Tidied
@hdate Fri May 12 2000 @hauthor Thomas Radke
@hdesc Moved evolution loop termination check into DoneMainLoop()
@endhistory
@@*/
int PUGH_Evolve(tFleshConfig *config)
{
int convergence_level;
int iteration=CCTK_MainLoopIndex();
/*** Call OUTPUT for this GH (this routine ***/
/*** checks if output is necessary) and makes ***/
/*** a Traverse with CCTK_ANALYSIS ***/
ForallConvLevels(iteration, convergence_level)
{
CCTK_Traverse(config->GH[convergence_level], "CCTK_ANALYSIS");
CCTK_OutputGH(config->GH[convergence_level]);
}
EndForallConvLevels;
while (! DoneMainLoop (config->GH[0]->cctk_time, iteration))
{
iteration = CCTK_SetMainLoopIndex(++iteration);
/* Step each convergence level */
ForallConvLevels(iteration, convergence_level)
{
StepGH(config->GH[convergence_level]);
/*
CCTK_InfoOutput(config->GH[convergence_level], convergence_level);
*/
}
EndForallConvLevels;
ForallConvLevels(iteration, convergence_level)
{
RotateTimeLevelsGH(config->GH[convergence_level]);
/*
CCTK_InfoOutput(config->GH[convergence_level], convergence_level);
*/
}
EndForallConvLevels;
/* Dump out checkpoint data on all levels */
ForallConvLevels(iteration, convergence_level)
{
CCTK_Traverse(config->GH[convergence_level], "CCTK_CHECKPOINT");
}
EndForallConvLevels;
/* Output perhaps */
/*** Call OUTPUT for this GH (this routine ***/
/*** checks if output is necessary) and makes ***/
/*** an Traverse with CCTK_ANALYSIS ***/
ForallConvLevels(iteration, convergence_level)
{
CCTK_Traverse(config->GH[convergence_level], "CCTK_ANALYSIS");
CCTK_OutputGH(config->GH[convergence_level]);
}
EndForallConvLevels;
#if 0
/* Termination has been raised and broadcasted, exit loop*/
if (cactus_terminate==TERMINATION_RAISED_BRDCAST) break;
#endif
} /*** END OF MAIN ITERATION LOOP ***/
return 0;
}
/************************************************************************/
/*@@
@routine DoneMainLoop
@date Fri May 12 2000
@author Thomas Radke
@desc
Check the termination conditions for the evolution loop
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
static int DoneMainLoop (CCTK_REAL cctk_time, int iteration)
{
DECLARE_CCTK_PARAMETERS
return (! (iteration < cctk_itlast ||
(cctk_final_time > cctk_initial_time ?
cctk_time < cctk_final_time : 0)));
}
/*@@
@routine StepGH
@date Fri Aug 14 12:39:49 1998
@author Gerd Lanfermann
@desc
The full set of routines used to execute all schedule point
int the main iteration loop. Makes calls to the individual
routines for each schedule point.
@enddesc
@calls CCTK_Traverse
@calledby main
@@*/
static int StepGH(cGH *GH)
{
/* Advance GH->iteration BEFORE evolving */
GH->cctk_iteration++;
CCTK_Traverse(GH, "CCTK_PRESTEP");
CCTK_Traverse(GH, "CCTK_EVOL");
/* Advance GH->time AFTER evolving */
GH->cctk_time = GH->cctk_time + GH->cctk_delta_time;
CCTK_Traverse(GH, "CCTK_POSTSTEP");
return 0;
}
/*@@
@routine RotateTimeLevelsGH
@date Tue Mar 28 22:43:49 2000
@author Ed Evans
@desc
Rotates the time levels
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
static void RotateTimeLevelsGH(cGH *cgh)
{
int var;
int numtimelevels;
int i;
void *temp;
pGH *pughGH;
pughGH = PUGH_pGH(cgh);
for(var = 0; var < pughGH->nvariables; var++)
{
numtimelevels = CCTK_NumTimeLevelsFromVarI(var);
if(numtimelevels>1)
{
temp=pughGH->variables[var][0];
for(i = 0 ; i < numtimelevels -1 ; i++)
{
pughGH->variables[var][i]=pughGH->variables[var][i+1];
}
pughGH->variables[var][numtimelevels-1]=temp;
}
}
return;
}
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