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|
/*@@
@file Utils.c
@date Tue 4th July 2000
@author Gabrielle Allen
@desc
Utility routines which may be called by other IO thorns
@enddesc
@version $Id$
@@*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "ioutil_Utils.h"
#include "ioutil_CheckpointRecovery.h"
/* the rcs ID and its dummy function to use it */
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(CactusBase_IOUtil_Utils_c)
/* uncomment this if you want some debugging output */
/* #define DEBUG_IOUTIL 1 */
/*@@
@routine IOUtil_1DLines
@date July 4 2000
@author Gabrielle Allen, Gerd Lanfermann, Thomas Radke
@desc
Fills out an array determining where to position 1D lines
for output on a multidimensional regular Cartesian unigrid.
The first slot of the array specifies the 1D line direction,
the second slot fixes the indices of the starting point
of that line on the grid.
@enddesc
@calls CCTK_CoordSystemHandle
CCTK_CoordRange
@var GH
@vdesc Pointer to CCTK GH
@vtype cGH *
@vio in
@endvar
@var num_dims
@vdesc number of dimensions of underlying grid
@vtype int
@vio in
@endvar
@var origin_index
@vdesc origin for 1D lines given by grid point indices
@vtype const int [num_dims][num_dims]
@vio in
@endvar
@var origin_phys
@vdesc origin for 1D lines given by physical coordinates
@vtype const CCTK_REAL [num_dims][num_dims]
@vio in
@endvar
@var slice_center
@vdesc resulting 1D line slice center
@vtype int [num_dims][num_dims]
@vio out
@endvar
@returntype int
@returndesc
0 for success
@endreturndesc
@@*/
int IOUtil_1DLines (cGH *GH,
int num_dims,
int *const origin_index[],
CCTK_REAL *const origin_phys[],
int *slice_center[])
{
int dim, dir;
char system_name[20];
CCTK_REAL *lower_range, *upper_range;
/* allocate arrays for ranges */
lower_range = (CCTK_REAL *) calloc (2 * num_dims, sizeof (CCTK_REAL));
upper_range = lower_range + num_dims;
/* get the appropriate coordinate system name */
sprintf (system_name, "cart%dd", num_dims);
if (CCTK_CoordSystemHandle (system_name) >= 0)
{
/* get the ranges in every direction */
for (dir = 0; dir < num_dims; dir++)
{
if (CCTK_CoordRange (GH, &lower_range[dir], &upper_range[dir],
dir + 1, NULL, system_name) < 0)
{
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"IOUtil_1DLines: Could not get ranges for %c-direction "
"of coordinate system '%s'",
'x' + dir, system_name);
}
}
}
else
{
CCTK_VWarn (4, __LINE__, __FILE__, CCTK_THORNSTRING,
"IOUtil_1DLines: Cartesian coordinate system '%s' not found",
system_name);
}
/* now set the slice center for each line
according to origin_index[] or origin_phys[] */
for (dir = 0; dir < num_dims; dir++)
{
for (dim = 0; dim < num_dims; dim++)
{
if (dim == dir)
{
/* line always starts at the first point */
slice_center[dir][dim] = 0;
}
else if (origin_index && origin_index[dir][dim] >= 0)
{
/* FIXME: check upper index bounds also ?? */
slice_center[dir][dim] = origin_index[dir][dim];
}
else if (lower_range[dim] > origin_phys[dir][dim] ||
upper_range[dim] < origin_phys[dir][dim])
{
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"IOUtil_1DLines: %c-coordinate for slice center of 1D "
"lines in %c-direction (%f) is out of grid coordinates "
"range (%f, %f)",
'x' + dim, 'x' + dir, (double) origin_phys[dir][dim],
(double) lower_range[dim], (double) upper_range[dim]);
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"IOUtil_1DLines: no 1D %c-line output will be written with "
"this slice center default", 'x' + dir);
slice_center[dir][dim] = -1;
}
else
{
/* Find index for first point above the chosen coordinate */
slice_center[dir][dim] =
ceil ((origin_phys[dir][dim] - lower_range[dim]) /
GH->cctk_delta_space[dim] - 1e-6);
#ifdef DEBUG_IOUTIL
printf("spxyz for %c-coord of lines in %c-direction is %d\n",
'x' + dim,'x' + dir, slice_center[dir][dim]);
#endif
}
}
}
/* free allocated resources */
free (lower_range);
return (0);
}
/*@@
@routine IOUtil_2DPlanes
@date July 4 2000
@author Gabrielle Allen, Gerd Lanfermann, Thomas Radke
@desc
Fills out an array determining where to position 2D planes
for output on a multidimensional regular Cartesian unigrid.
@enddesc
@calls CCTK_CoordRange
@var GH
@vdesc Pointer to CCTK GH
@vtype cGH *
@vio in
@endvar
@var num_dims
@vdesc number of dimensions of underlying grid
@vtype int
@vio in
@endvar
@var origin_index
@vdesc origin for 2D planes given by grid point indices
@vtype const int [num_dims]
@vio in
@endvar
@var origin_phys
@vdesc origin for 2D planes given by physical coordinates
@vtype const CCTK_REAL [num_dims]
@vio in
@endvar
@var slice_center
@vdesc resulting 2D plane slice center
@vtype int [num_dims]
@vio out
@endvar
@returntype int
@returndesc
0 for success
-1 no coordinate system of given dimensions found
@endreturndesc
@@*/
int IOUtil_2DPlanes (cGH *GH,
int num_dims,
const int origin_index[],
const CCTK_REAL origin_phys[],
int slice_center[])
{
int dir;
char system_name[20];
CCTK_REAL *lower_range, *upper_range;
/* get the appropriate coordinate system name */
sprintf (system_name, "cart%dd", num_dims);
if (CCTK_CoordSystemHandle (system_name) < 0)
{
CCTK_VWarn (4, __LINE__, __FILE__, CCTK_THORNSTRING,
"IOUtil_1DLines: Cartesian coordinate system '%s' not found",
system_name);
return (-1);
}
/* allocate arrays for ranges */
lower_range = (CCTK_REAL *) calloc (2 * num_dims, sizeof (CCTK_REAL));
upper_range = lower_range + num_dims;
/* get the ranges in every direction */
for (dir = 0; dir < num_dims; dir++)
{
if (CCTK_CoordRange (GH, &lower_range[dir], &upper_range[dir],
dir + 1, NULL, system_name) < 0)
{
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"IOUtil_2DPlanes: Could not get ranges for %c-direction "
"of coordinate system '%s'",
'x' + dir, system_name);
}
}
/* now set the slice center for each line
according to origin_index[] or origin_phys[] */
for (dir = 0; dir < num_dims; dir++)
{
if (origin_index && origin_index[dir] >= 0)
{
slice_center[dir] = origin_index[dir];
}
else if (lower_range[dir] > origin_phys[dir] ||
upper_range[dir] < origin_phys[dir])
{
CCTK_VWarn (2, __LINE__, __FILE__, CCTK_THORNSTRING,
"IOUtil_2DPlanes: Coordinate in %c-direction (%f, %f) "
"doesn't contain %f",
'x' + dir, (double) lower_range[dir],
(double) upper_range[dir], (double) origin_phys[dir]);
slice_center[dir] = 0;
}
else
{
/* Find index for first point above the chosen coordinate */
slice_center[dir] = ceil ((origin_phys[dir] - lower_range[dir]) /
GH->cctk_delta_space[dir] - 1e-6);
#ifdef DEBUG_IOUTIL
printf("sp2xyz for planes perpendicular to"
" %d-direction is %d\n",
dir,slice_center[dir]);
#endif
}
}
/* free allocated resources */
free (lower_range);
return (0);
}
/*@@
@routine IOUtil_PrintTimings
@date Wed Jun 28 2000
@author Thomas Radke
@desc
Gets the timing information for the given timers and prints it
as INFO messages to screen.
@enddesc
@history
@endhistory
@var description
@vdesc description of the timers
@vtype const char *
@vio in
@endvar
@var ntimers
@vdesc number of timers passed in
@vtype int
@vio in
@endvar
@var timers
@vdesc array of timers
@vtype int [ntimers]
@vio in
@endvar
@var timer_descriptions
@vdesc array of timer descriptions
@vtype const char * [ntimers]
@vio in
@endvar
@@*/
void IOUtil_PrintTimings (const char *description,
int ntimers,
int timers[/* ntimers */],
const char *timer_descriptions[/* ntimers */])
{
int i, j;
cTimerData *info;
info = CCTK_TimerCreateData ();
if (info)
{
CCTK_INFO (description);
for (i = 0; i < info->n_vals; i++)
{
for (j = 0; j < ntimers; j++)
{
CCTK_TimerI (timers[j], info);
if (j == 0)
{
CCTK_VInfo (CCTK_THORNSTRING, " %s:", info->vals[i].heading);
}
switch (info->vals[i].type)
{
case val_int:
CCTK_VInfo (CCTK_THORNSTRING, " %s %5d %s",
timer_descriptions [j],
info->vals[i].val.i, info->vals[i].units);
break;
case val_long:
CCTK_VInfo (CCTK_THORNSTRING, " %s %5d %s",
timer_descriptions [j],
(int) info->vals[i].val.l, info->vals[i].units);
break;
case val_double:
CCTK_VInfo (CCTK_THORNSTRING, " %s %5.1f %s",
timer_descriptions [j],
info->vals[i].val.d, info->vals[i].units);
break;
default:
CCTK_WARN(1, "Unknown data type for timer info");
break;
}
}
}
CCTK_INFO ("-----------------------------------------\n");
CCTK_TimerDestroyData (info);
}
else
{
CCTK_WARN (1, "Couldn't create timer info structure ! "
"No timing output available.");
}
}
/*@@
@routine IOUtil_CreateDirectory
@date Fri 10 Aug 2001
@author Thomas Radke
@desc
Creates an output directory path and makes sure it is visible
on all I/O processors.
It is assumed that processor 0 is always an I/O processor.
If there are other I/O processors, they will also try and
create the directory themselfs. This guarantees the directory
be created on all nodes in case the I/O processors don't share
a common filesystem.
@enddesc
@calls CCTK_MyProc
CCTK_CreateDirectory
CCTK_Barrier
@var GH
@vdesc pointer to the GH extensions
@vtype cGH *
@vio in
@endvar
@var dirname
@vdesc the directory to create
@vtype const char *
@vio in
@endvar
@var multiple_io_procs
@vdesc flag indicating that there will be I/O from multiple I/O procs
@vtype int
@vio in
@endvar
@var ioproc
@vdesc I/O processor associated with this processor
@vtype int
@vio in
@endvar
@returntype int
@returndesc
0 for non-I/O processors, or
return code of @seeroutine CCTK_CreateDirectory
@endreturndesc
@@*/
int IOUtil_CreateDirectory (cGH *GH, const char *dirname,
int multiple_io_procs, int ioproc)
{
int myproc, retval;
/* default return value for non-I/O processors */
retval = 0;
/* first, processor 0 creates the directory */
myproc = CCTK_MyProc (GH);
if (myproc == 0)
{
retval = CCTK_CreateDirectory (0755, dirname);
}
if (multiple_io_procs)
{
/* now the other I/O processors create the directory
after syncing with processor 0 */
CCTK_Barrier (GH);
if (myproc == ioproc || ioproc != 0)
{
retval = CCTK_CreateDirectory (0755, dirname);
}
}
return (retval);
}
|