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/*@@
@file Write.c
@date 01 Oct 1999
@author Jonghyun Lee
@desc Do the actual writing of a 3D grid array.
@enddesc
@history
@hendhistory
@@*/
#include <stdio.h>
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "CactusPUGH/PUGH/src/include/pugh.h"
#include "CactusBase/IOUtil/src/ioGH.h"
#include "ioPandaGH.h"
void IOPanda_getDumpData (const cGH *GH, int vindex, int timelevel,
void **outme, int *free_outme, CCTK_INT4 *geom,
int element_size);
void IOPanda_getDumpData (const cGH *GH, int vindex, int timelevel,
void **outme, int *free_outme, CCTK_INT4 *geom,
int element_size)
{
DECLARE_CCTK_PARAMETERS
int i, myproc, do_downsample, dim;
ioGH *ioUtilGH;
CCTK_REAL4 *single_ptr;
CCTK_REAL *real_ptr;
CCTK_BYTE *char_ptr;
CCTK_INT *int_ptr;
pGExtras *extras;
void *data = CCTK_VarDataPtrI (GH, timelevel, vindex);
/* to make the compiler happy */
single_ptr = NULL;
real_ptr = NULL;
char_ptr = NULL;
int_ptr = NULL;
/* get the processor ID */
myproc = CCTK_MyProc (GH);
/* get the handle for IOUtil GH extensions */
ioUtilGH = (ioGH *) GH->extensions [CCTK_GHExtensionHandle ("IO")];
/* get the pGExtras pointer as a shortcut */
extras = ((pGA ***) PUGH_pGH (GH)->variables) [vindex][timelevel]->extras;
/* get the dimension of the variable */
dim = CCTK_GroupDimI (CCTK_GroupIndexFromVarI (vindex));
do_downsample = 0;
for (i = 0; i < dim; i++)
do_downsample |= ioUtilGH->downsample [i] > 1;
/* All the downsampling code is hard-coded for 3D data.
For other-dimensional variables we print a warning
and return the non-downsampled data. */
if (do_downsample && dim != 3) {
char *fullname = CCTK_FullName (vindex);
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"No downsampling for %dD variable '%s' ! Downsampling is only "
"supported for 3D variables.", dim, fullname);
free (fullname);
do_downsample = 0;
}
/* Simple case if no downsampling */
if (! do_downsample) {
if (ioUtilGH->out_single) {
single_ptr = (CCTK_REAL4 *) malloc (extras->npoints*sizeof (CCTK_REAL4));
for (i = 0; i < extras->npoints; i++)
single_ptr [i] = (CCTK_REAL4) ((CCTK_REAL *) data) [i];
*outme = single_ptr;
*free_outme = 1;
} else {
*outme = data;
*free_outme = 0;
}
/* set the bounds, the sizes, and the global shape */
for (i = 0; i < dim; i++) {
geom [i + 0*dim] = extras->lb [myproc][i];
geom [i + 1*dim] = extras->lnsize [i];
geom [i + 2*dim] = extras->nsize [i];
}
} else {
/* NOTE: the following downsampling code is hard-coded for 3D data */
int start [3], end [3];
int j, k, l;
/* downsampled global shape */
for (i = 0; i < 3; i++) {
geom [i + 6] = extras->nsize [i] / ioUtilGH->downsample [i];
if (extras->nsize [i] % ioUtilGH->downsample [i])
geom [i + 6]++;
}
if (verbose)
CCTK_VInfo (CCTK_THORNSTRING, "Downsampled sizes (%d, %d, %d) -> "
"(%d, %d, %d)",
extras->nsize [0], extras->nsize [1], extras->nsize [2],
(int) geom [6], (int) geom [7], (int) geom [8]);
/* Now figure out the local downsampling */
/* The local starts are the lb modded into the downsample */
for (i = 0; i < 3; i++) {
geom [i] = extras->lb [myproc][i] / ioUtilGH->downsample [i];
start [i] = geom [i] * ioUtilGH->downsample [i];
if (start [i] <
extras->lb [myproc][i] + extras->ownership [PUGH_NO_STAGGER][0][i]) {
start [i] += ioUtilGH->downsample [i];
geom [i] ++;
}
end [i] = ((extras->lb [myproc][i] +
extras->ownership [PUGH_NO_STAGGER][1][i] - 1) /
ioUtilGH->downsample [i]) * ioUtilGH->downsample [i];
geom [i+3] = (end [i] - start [i]) / ioUtilGH->downsample [i] + 1;
}
if (verbose) {
CCTK_VInfo (CCTK_THORNSTRING, "Downsample ranges (%d, %d, %d) -> "
"(%d, %d, %d)",
start [0], start [1], start [2], end [0], end [1], end [2]);
CCTK_VInfo (CCTK_THORNSTRING, "Local size/bound (%d, %d, %d) "
"(%d, %d, %d)", (int) geom [3], (int) geom [4], (int) geom[5],
(int) geom [0], (int) geom [1], (int) geom [2]);
}
/* compute local ranges */
for (i = 0; i < 3; i++) {
start [i] -= extras->lb [myproc][i];
end [i] -= extras->lb [myproc][i];
}
*outme = malloc (geom [3] * geom [4] * geom [5] * element_size);
*free_outme = 1;
/* I hate it to repeat the loops for each case label
but that way produces much more efficient code */
l = 0;
switch (CCTK_VarTypeI (vindex)) {
case CCTK_VARIABLE_BYTE:
char_ptr = (CCTK_BYTE *) *outme;
for (k = start [2]; k <= end [2]; k += ioUtilGH->downsample [2])
for (j = start [1]; j <= end [1]; j += ioUtilGH->downsample [1])
for (i = start [0]; i <= end [0]; i += ioUtilGH->downsample [0])
char_ptr [l++] = ((CCTK_BYTE *) data) [DATINDEX (extras, i, j, k)];
break;
case CCTK_VARIABLE_INT:
int_ptr = (CCTK_INT *) *outme;
for (k = start [2]; k <= end [2]; k += ioUtilGH->downsample [2])
for (j = start [1]; j <= end [1]; j += ioUtilGH->downsample [1])
for (i = start [0]; i <= end [0]; i += ioUtilGH->downsample [0])
int_ptr [l++] = ((CCTK_INT *) data) [DATINDEX (extras, i, j, k)];
break;
case CCTK_VARIABLE_REAL:
if (ioUtilGH->out_single)
single_ptr = (CCTK_REAL4 *) *outme;
else
real_ptr = (CCTK_REAL *) *outme;
for (k = start [2]; k <= end [2]; k += ioUtilGH->downsample [2])
for (j = start [1]; j <= end [1]; j += ioUtilGH->downsample [1])
for (i = start [0]; i <= end [0]; i += ioUtilGH->downsample [0])
if (ioUtilGH->out_single)
single_ptr [l++] = (CCTK_REAL4)
(((CCTK_REAL *) data) [DATINDEX (extras, i, j, k)]);
else
real_ptr [l++] = ((CCTK_REAL *) data) [DATINDEX (extras, i, j, k)];
break;
default:
CCTK_WARN (1, "Unsupported variable type in IOPanda_getDumpData");
return;
}
}
#ifdef IOPANDA_DEBUG
printf ("Lower bound: %d", (int) geom [0]);
for (i = 1; i < dim; i++)
printf (" %d", (int) geom [i]);
printf ("\n");
printf ("Chunk size : %d", (int) geom [1*dim + 0]);
for (i = 1; i < dim; i++)
printf (" %d", (int) geom [1*dim + i]);
printf ("\n");
printf ("Global size: %d", (int) geom [2*dim + 0]);
for (i = 1; i < dim; i++)
printf (" %d", (int) geom [2*dim + i]);
printf ("\n");
#endif
}
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