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/* This is part of the netCDF package. Copyright 2018 University
Corporation for Atmospheric Research/Unidata. See COPYRIGHT file for
conditions of use. See www.unidata.ucar.edu for more info.
Create a chunkable test file for nccopy to test chunking.
*/
#include <netcdf.h>
#include <nc_tests.h>
#include "err_macros.h"
#define DEBUG
static int ret = NC_NOERR;
/* Make trackable ERR macro replacement */
static int lerr(int stat, const char* file, int lineno) {
fflush(stdout); /* Make sure our stdout is synced with stderr. */
err++;
fprintf(stderr, "Sorry! Unexpected result(%d), %s, line: %d\n",ret,file,lineno);
fflush(stderr); \
return 2; \
}
#define LERR lerr(ret,__FILE__,__LINE__)
#define FILE_NAME "tst_chunking.nc"
#define VAR_RANK 7
#define IVAR_NAME "ivar"
#define FVAR_NAME "fvar"
#define GRP_NAME "g"
#define UNLIM_NAME "unlimited"
#define UNLIM_SIZE 10
#define DEFLATE_LEVEL 1
#define NVALS 45360 /* 7 * 4 * 2 * 3 * 5 * 6 * 9 */
static const char *dim_names[VAR_RANK] = {"dim0", "dim1", "dim2", "dim3", "dim4", "dim5", "dim6"};
static const size_t dim_lens[VAR_RANK] = {7, 4, 2, 3, 5, 6, 9};
int
main(int argc, char **argv)
{
/* mutually exclusive command line options */
int option_group = 0;
int option_deflate = 0;
int option_unlimited = 0;
/* file metadata */
int mode = NC_CLOBBER;
int ncid, grpid;
int ivarid, fvarid;
int ivar_dims[VAR_RANK];
int fvar_dims[VAR_RANK];
int ivar_data[NVALS];
float fvar_data[NVALS];
int r, i;
char* file_name = FILE_NAME;
int unlimid;
/* Parse command line */
if(argc >= 2) {
file_name = argv[1];
}
if(argc >= 3) {
if(strcmp(argv[2],"group")==0) {
option_group = 1;
mode |= NC_NETCDF4;
} else if(strcmp(argv[2],"deflate")==0) {
option_deflate = 1;
mode |= NC_NETCDF4;
} else if(strcmp(argv[2],"unlimited")==0) {
option_unlimited = 1;
} else {
fprintf(stderr,"usage: tst_chunking [<filename> [group|deflate|unlimited]]\n");
exit(1);
}
}
printf("*** Creating chunkable test file %s...\n", file_name);
if(option_deflate)
printf("\toption: deflate\n");
else if(option_unlimited)
printf("\toption: unlimited\n");
else if(option_group)
printf("\toption: group\n");
if (nc_create(file_name, mode, &ncid)) LERR;
for(r = 0; r < VAR_RANK; r++) {
if (nc_def_dim(ncid, dim_names[r], dim_lens[r], &ivar_dims[r])) LERR;
fvar_dims[VAR_RANK - 1 - r] = ivar_dims[r];
}
if(option_unlimited) {
int udims[2];
if (nc_def_dim(ncid, UNLIM_NAME, 0, &unlimid)) LERR;
udims[0] = unlimid;
udims[1] = ivar_dims[0];
if (nc_def_var(ncid, IVAR_NAME, NC_INT, 2, udims, &ivarid)) LERR;
} else {
if (option_group) {
if (nc_def_grp(ncid, GRP_NAME, &grpid)) LERR;
} else
grpid = ncid;
if (nc_def_var(grpid, IVAR_NAME, NC_INT, VAR_RANK, ivar_dims, &ivarid)) LERR;
if(option_deflate) {
if(nc_def_var_deflate(grpid,ivarid,NC_NOSHUFFLE, option_deflate, DEFLATE_LEVEL)) LERR;
}
}
/* fvar is unchanged */
if (nc_def_var(ncid, FVAR_NAME, NC_FLOAT, VAR_RANK, fvar_dims, &fvarid)) LERR;
if (nc_enddef (ncid)) LERR;
/* Fill in the data */
if(option_unlimited) {
int nvals = UNLIM_SIZE * dim_lens[0];
size_t start[2] = {0,0};
size_t count[2];
for(i=0;i<nvals;i++) {
ivar_data[i] = i;
}
count[0] = UNLIM_SIZE;
count[1] = dim_lens[0];
if (nc_put_vara(ncid, ivarid, start, count, ivar_data)) LERR;
} else {
for(i=0; i < NVALS; i++) {
ivar_data[i] = i;
}
if (nc_put_var(ncid, ivarid, ivar_data)) LERR;
}
/* fvar is unchanged */
for(i=0; i < NVALS; i++) {
fvar_data[i] = NVALS - i;
}
if (nc_put_var(ncid, fvarid, fvar_data)) LERR;
if (nc_close(ncid)) LERR;
SUMMARIZE_ERR;
FINAL_RESULTS;
}
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