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#include <stdio.h>
#include <stdlib.h>
#include <netcdf.h>
void
check_err(const int stat, const int line, const char *file) {
if (stat != NC_NOERR) {
(void) fprintf(stderr, "line %d of %s: %s\n", line, file, nc_strerror(stat));
exit(1);
}
}
int
main() { /* create rec2Gp.nc */
int stat; /* return status */
int ncid; /* netCDF id */
int rec, i, j, k;
signed char x[] = {42, 21};
/* dimension ids */
int rec_dim;
int i_dim;
int j_dim;
int k_dim;
int n_dim;
#define NUMRECS 1
#define I_LEN 4104
#define J_LEN 1023
#define K_LEN 1023
#define N_LEN 2
/* dimension lengths */
size_t rec_len = NC_UNLIMITED;
size_t i_len = I_LEN;
size_t j_len = J_LEN;
size_t k_len = K_LEN;
size_t n_len = N_LEN;
/* variable ids */
int var1_id;
int x_id;
/* rank (number of dimensions) for each variable */
# define RANK_var1 4
# define RANK_x 2
/* variable shapes */
int var1_dims[RANK_var1];
int x_dims[RANK_x];
/* enter define mode */
stat = nc_create("rec2Gp.nc", NC_CLOBBER|NC_64BIT_OFFSET, &ncid);
check_err(stat,__LINE__,__FILE__);
/* define dimensions */
stat = nc_def_dim(ncid, "rec", rec_len, &rec_dim);
check_err(stat,__LINE__,__FILE__);
stat = nc_def_dim(ncid, "i", i_len, &i_dim);
check_err(stat,__LINE__,__FILE__);
stat = nc_def_dim(ncid, "j", j_len, &j_dim);
check_err(stat,__LINE__,__FILE__);
stat = nc_def_dim(ncid, "k", k_len, &k_dim);
check_err(stat,__LINE__,__FILE__);
stat = nc_def_dim(ncid, "n", n_len, &n_dim);
check_err(stat,__LINE__,__FILE__);
/* define variables */
var1_dims[0] = rec_dim;
var1_dims[1] = i_dim;
var1_dims[2] = j_dim;
var1_dims[3] = k_dim;
stat = nc_def_var(ncid, "var1", NC_BYTE, RANK_var1, var1_dims, &var1_id);
check_err(stat,__LINE__,__FILE__);
x_dims[0] = rec_dim;
x_dims[1] = n_dim;
stat = nc_def_var(ncid, "x", NC_BYTE, RANK_x, x_dims, &x_id);
check_err(stat,__LINE__,__FILE__);
/* don't initialize variables with fill values */
stat = nc_set_fill(ncid, NC_NOFILL, 0);
check_err(stat,__LINE__,__FILE__);
/* leave define mode */
stat = nc_enddef (ncid);
check_err(stat,__LINE__,__FILE__);
{ /* store var1 */
int n = 0;
static signed char var1[J_LEN][K_LEN];
static size_t var1_start[RANK_var1] = {0, 0, 0, 0};
static size_t var1_count[RANK_var1] = {1, 1, J_LEN, K_LEN};
static size_t x_start[RANK_x] = {0, 0};
static size_t x_count[RANK_x] = {1, N_LEN};
for(rec=0; rec<NUMRECS; rec++) {
var1_start[0] = rec;
x_start[0] = rec;
for(i=0; i<I_LEN; i++) {
for(j=0; j<J_LEN; j++) {
for (k=0; k<K_LEN; k++) {
var1[j][k] = n++;
}
}
var1_start[1] = i;
stat = nc_put_vara_schar(ncid, var1_id, var1_start, var1_count, &var1[0][0]);
check_err(stat,__LINE__,__FILE__);
}
}
stat = nc_put_vara_schar(ncid, x_id, x_start, x_count, x);
check_err(stat,__LINE__,__FILE__);
}
stat = nc_close(ncid);
check_err(stat,__LINE__,__FILE__);
stat = nc_open("rec2Gp.nc", NC_NOWRITE, &ncid);
check_err(stat,__LINE__,__FILE__);
{ /* read var1 */
int n = 0;
static signed char var1[J_LEN][K_LEN];
static size_t var1_start[RANK_var1] = {0, 0, 0, 0};
static size_t var1_count[RANK_var1] = {1, 1, J_LEN, K_LEN};
static size_t x_start[RANK_x] = {0, 0};
static size_t x_count[RANK_x] = {1, N_LEN};
for(rec=0; rec<NUMRECS; rec++) {
var1_start[0] = rec;
x_start[0] = rec;
for(i=0; i<I_LEN; i++) {
var1_start[1] = i;
stat = nc_get_vara_schar(ncid, var1_id, var1_start, var1_count, &var1[0][0]);
check_err(stat,__LINE__,__FILE__);
for(j=0; j<J_LEN; j++) {
for (k=0; k<K_LEN; k++) {
if (var1[j][k] != (signed char) n) {
printf("Error on read, var1[%d, %d, %d, %d] = %d wrong, should be %d !\n", rec, i, j, k, var1[j][k], (signed char) n);
return 1;
}
n++;
}
}
}
nc_get_vara_schar(ncid, x_id, x_start, x_count, x);
if(x[0] != 42 || x[1] != 21) {
printf("Error on read, x[] = %d, %d\n", x[0], x[1]);
return 1;
}
}
}
stat = nc_close(ncid);
check_err(stat,__LINE__,__FILE__);
return 0;
}
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