mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-12-15 08:30:11 +08:00
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "netcdf.h"
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#undef DEBUG
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static void
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nccheck(int ret)
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{
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if(ret == NC_NOERR) return;
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fprintf(stderr,"err=%s\n",nc_strerror(ret));
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exit(1);
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}
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#define NCCHECK(err) nccheck(err)
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int
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main(int argc, char *argv[] )
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{
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int err, ncid, varid, dimid[1];
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size_t dimlen[1];
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float *fdat;
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int *idat;
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const char* filename = "tmp_fillonly.nc";
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const char* varname = "f";
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const char* dimname = "x";
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size_t i;
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NCCHECK(err = nc_open(filename,NC_NETCDF4,&ncid));
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NCCHECK(err = nc_inq_varid(ncid, varname, &varid));
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NCCHECK(err = nc_inq_dimid(ncid, dimname, dimid));
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NCCHECK(err = nc_inq_dim(ncid, dimid[0], NULL, dimlen));
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/* Make room for both double and floating dat */
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fdat = (float *)calloc(1,sizeof(float) * dimlen[0]);
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idat = (int *)calloc(1,sizeof(int) * dimlen[0]);
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NCCHECK(err = nc_get_var_int(ncid, varid, idat));
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NCCHECK(err = nc_get_var_float(ncid, varid, fdat));
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#ifdef DEBUG
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printf("int[0..%d]:",(int)dimlen[0]);
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for(i=0; i<dimlen[0]; i++ ) printf(" %i", idat[i]);
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printf("\n");
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printf("float[0..%d]:",(int)dimlen[0]);
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for(i=0; i<dimlen[0]; i++ ) printf(" %f", fdat[i]);
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printf("\n");
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#endif
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/* Do the comparisons */
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for(i=0; i<dimlen[0]; i++ ) {
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if(fdat[i] != (float)(idat[i])) {
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fprintf(stderr,"data mismatch [%d]: float=%f (float)int=%f int=%i\n",(int)i,fdat[i],(float)idat[i],idat[i]);
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return 1;
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}
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}
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if(fdat) free(fdat);
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if(idat) free(idat);
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return 0;
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}
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