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395 lines
14 KiB
C
395 lines
14 KiB
C
/* This is part of the netCDF package. Copyright 2018 University
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Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
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conditions of use. See www.unidata.ucar.edu for more info.
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Test netcdf-4 dimensions inheritance, and dims with and without
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coordinate variables.
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Ed Hartnett
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*/
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#include <config.h>
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#include <nc_tests.h>
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#include "err_macros.h"
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#define NDIM2 2
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#define VAR_NAME "var"
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#define DIM_NAME1 "y"
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#define DIM_NAME2 "x"
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#define NY 3
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#define NX 3
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#define DIM_LEN 2
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int
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main(int argc, char **argv)
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{
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printf("\n*** Testing netcdf-4 dimensions even more.\n");
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printf("*** testing netcdf-4 dimension inheritance...");
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{
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#define FILE_NAME "tst_dims3.nc"
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#define RANK_time 1
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#define GRP_NAME "G"
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#define GRP2_NAME "G2"
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#define TIME_NAME "time"
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#define VAR2_NAME "z"
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#define TIME_RANK 1
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#define NUM_TIMES 2
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#define LEV_NAME "level"
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#define VRT_NAME "vert_number"
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#define LEV_NUM 3
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#define LEV_RANK 1
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#define VRT_RANK 1
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#define VAR2_RANK 2
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#define NUM_VRT 3
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int ncid, grpid;
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int time_dim, time_dim_in;
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int time_var, z_var;
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size_t len;
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int time_data[NUM_TIMES] = {1, 2} ;
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size_t time_startset[TIME_RANK] = {0} ;
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size_t time_countset[TIME_RANK] = {NUM_TIMES} ;
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/* Create file with unlimited dim and associated coordinate
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* variable in root group, another variable that uses unlimited
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* dim in subgroup. */
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if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
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if (nc_def_grp(ncid, GRP_NAME, &grpid)) ERR;
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if (nc_def_dim(ncid, TIME_NAME, NC_UNLIMITED, &time_dim)) ERR;
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if (nc_def_var(ncid, TIME_NAME, NC_INT, TIME_RANK, &time_dim,
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&time_var)) ERR;
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if (nc_def_var(grpid, VAR2_NAME, NC_INT, TIME_RANK, &time_dim,
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&z_var)) ERR;
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if (nc_enddef(ncid)) ERR;
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/* Assign data to time variable, creating two times */
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if (nc_put_vara(ncid, time_dim, time_startset, time_countset,
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time_data)) ERR;
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/* Check the dim len from the root group */
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if (nc_inq_dimlen(ncid, time_dim, &len)) ERR;
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if (len != NUM_TIMES) ERR;
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/* Check the dim len from the sub group */
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if (nc_inq_dimlen(grpid, time_dim, &len)) ERR;
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if (len != NUM_TIMES) ERR;
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if (nc_close(ncid)) ERR;
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/* Now check how many times there are from the subgroup */
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if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
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if (nc_inq_ncid(ncid, GRP_NAME, &grpid)) ERR;
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if (nc_inq_dimid(ncid, TIME_NAME, &time_dim)) ERR;
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/* Check the dim len from the root group */
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if (nc_inq_dimlen(ncid, time_dim, &len)) ERR;
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if (len != NUM_TIMES) ERR;
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/* Check the dim len from the sub group */
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if (nc_inq_dimlen(grpid, time_dim, &len)) ERR;
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if (len != NUM_TIMES) ERR;
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/* Find the dimension by name. */
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if (nc_inq_dimid(grpid, TIME_NAME, &time_dim_in)) ERR;
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if (time_dim_in != time_dim) ERR;
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if (nc_close(ncid)) ERR;
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}
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SUMMARIZE_ERR;
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printf("*** testing a scalar coordinate dimension...");
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{
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int ncid, dimid, varid;
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float data = 42.5;
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/* Create a scalar coordinate dimension. The only reason that
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* the user can ever possibly have for doing this is just
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* because they like to make life difficult for poor, poor
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* netCDF programmers, trapped in this horrible place, in a
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* Rocky Mountain valley, drenched in sunlight, with a stream
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* quietly gurgling, deer feeding on the grasses, and all those
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* damn birds chirping! */
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if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR_RET;
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if (nc_def_dim(ncid, "scalar", 0, &dimid)) ERR_RET;
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if (nc_def_var(ncid, "scalar", NC_FLOAT, 0, &dimid, &varid)) ERR_RET;
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if (nc_put_var_float(ncid, varid, &data)) ERR_RET;
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if (nc_close(ncid))
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ERR_RET;
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}
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SUMMARIZE_ERR;
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printf("*** testing defining dimensions and coord variables in different orders in root group...");
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{
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int ncid, grpid, grp2id;
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int time_dimid, lev_dimid, g2lev_dimid, g2vrt_dimid;
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int time_dimid_in, lev_dimid_in, g2lev_dimid_in, g2vrt_dimid_in;
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int time_varid, lev_varid, gvar2_varid, g2lev_varid, g2vrt_varid;
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int var2_dims[VAR2_RANK];
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/* Create test for fix of bug that resulted in two dimensions
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* having the same dimid, which violates the Pauli exclusion
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* principle for dimensions. */
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if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR_RET;
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if (nc_def_grp(ncid, GRP_NAME, &grpid)) ERR;
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if (nc_def_dim(ncid, TIME_NAME, NC_UNLIMITED, &time_dimid)) ERR_RET;
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if (nc_def_dim(ncid, LEV_NAME, LEV_NUM, &lev_dimid)) ERR_RET;
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var2_dims[0] = time_dimid;
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var2_dims[1] = lev_dimid;
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if (nc_def_var(grpid, VAR2_NAME, NC_FLOAT, VAR2_RANK, var2_dims, &gvar2_varid)) ERR;
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/* define coord vars in opposite order of coord dims */
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if (nc_def_var(ncid, LEV_NAME, NC_FLOAT, LEV_RANK, &lev_dimid, &lev_varid)) ERR;
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if (nc_def_var(ncid, TIME_NAME, NC_FLOAT, TIME_RANK, &time_dimid, &time_varid)) ERR;
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if (nc_def_grp(ncid, GRP2_NAME, &grp2id)) ERR;
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if (nc_def_dim(grp2id, LEV_NAME, LEV_NUM, &g2lev_dimid)) ERR_RET;
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if (nc_def_dim(grp2id, VRT_NAME, NUM_VRT, &g2vrt_dimid)) ERR_RET;
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if (nc_def_var(grp2id, LEV_NAME, NC_FLOAT, LEV_RANK, &g2lev_dimid, &g2lev_varid)) ERR;
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if (nc_def_var(grp2id, VRT_NAME, NC_FLOAT, VRT_RANK, &g2vrt_dimid, &g2vrt_varid)) ERR;
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if (nc_close(ncid)) ERR;
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/* Re-open, in which dimids may get reassigned */
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if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
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if (nc_inq_dimid(ncid, TIME_NAME, &time_dimid_in)) ERR;
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if (nc_inq_dimid(ncid, LEV_NAME, &lev_dimid_in)) ERR;
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if (nc_inq_ncid(ncid, GRP2_NAME, &grp2id)) ERR;
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if (nc_inq_dimid(grp2id, LEV_NAME, &g2lev_dimid_in)) ERR;
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if (nc_inq_dimid(grp2id, VRT_NAME, &g2vrt_dimid_in)) ERR;
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/* dimids must still all be distinct */
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if (time_dimid_in == lev_dimid_in ||
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time_dimid_in == g2lev_dimid_in ||
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time_dimid_in == g2vrt_dimid_in ||
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lev_dimid_in == g2lev_dimid_in ||
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lev_dimid_in == g2vrt_dimid_in ||
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g2lev_dimid_in == g2vrt_dimid_in) ERR;
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if (nc_close(ncid))
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ERR_RET;
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}
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SUMMARIZE_ERR;
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printf("*** testing defining dimensions and coord variables in different orders in subgroup...");
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{
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int ncid, grpid, grp2id;
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int time_dimid, lev_dimid, g2lev_dimid, g2vrt_dimid;
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int time_dimid_in, lev_dimid_in, g2lev_dimid_in, g2vrt_dimid_in;
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int time_varid, lev_varid, gvar2_varid, g2lev_varid, g2vrt_varid;
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int var2_dims[VAR2_RANK];
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/* Create test for fix of bug inside a subgroup that results in two dimensions
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* having the same dimid. */
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if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR_RET;
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if (nc_def_grp(ncid, GRP_NAME, &grpid)) ERR;
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if (nc_def_dim(ncid, TIME_NAME, NC_UNLIMITED, &time_dimid)) ERR_RET;
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if (nc_def_dim(ncid, LEV_NAME, LEV_NUM, &lev_dimid)) ERR_RET;
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var2_dims[0] = time_dimid;
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var2_dims[1] = lev_dimid;
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if (nc_def_var(grpid, VAR2_NAME, NC_FLOAT, VAR2_RANK, var2_dims, &gvar2_varid)) ERR;
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if (nc_def_var(ncid, TIME_NAME, NC_FLOAT, TIME_RANK, &time_dimid, &time_varid)) ERR;
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if (nc_def_var(ncid, LEV_NAME, NC_FLOAT, LEV_RANK, &lev_dimid, &lev_varid)) ERR;
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if (nc_def_grp(ncid, GRP2_NAME, &grp2id)) ERR;
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if (nc_def_dim(grp2id, LEV_NAME, LEV_NUM, &g2lev_dimid)) ERR_RET;
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if (nc_def_dim(grp2id, VRT_NAME, NUM_VRT, &g2vrt_dimid)) ERR_RET;
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/* define coord vars in opposite order of coord dims */
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if (nc_def_var(grp2id, VRT_NAME, NC_FLOAT, VRT_RANK, &g2vrt_dimid, &g2vrt_varid)) ERR;
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if (nc_def_var(grp2id, LEV_NAME, NC_FLOAT, LEV_RANK, &g2lev_dimid, &g2lev_varid)) ERR;
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if (nc_close(ncid)) ERR;
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/* Re-open, in which dimids may get reassigned */
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if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
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if (nc_inq_dimid(ncid, TIME_NAME, &time_dimid_in)) ERR;
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if (nc_inq_dimid(ncid, LEV_NAME, &lev_dimid_in)) ERR;
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if (nc_inq_ncid(ncid, GRP2_NAME, &grp2id)) ERR;
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if (nc_inq_dimid(grp2id, LEV_NAME, &g2lev_dimid_in)) ERR;
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if (nc_inq_dimid(grp2id, VRT_NAME, &g2vrt_dimid_in)) ERR;
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/* dimids must still all be distinct */
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if (time_dimid_in == lev_dimid_in ||
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time_dimid_in == g2lev_dimid_in ||
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time_dimid_in == g2vrt_dimid_in ||
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lev_dimid_in == g2lev_dimid_in ||
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lev_dimid_in == g2vrt_dimid_in ||
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g2lev_dimid_in == g2vrt_dimid_in) ERR;
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if (nc_close(ncid))
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ERR_RET;
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}
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SUMMARIZE_ERR;
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printf("*** testing var and unlim dim with same name, but not related...");
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{
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/* This test code based on test code from Jeff Whitaker. See
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* https://github.com/Unidata/netcdf4-python/issues/975 and
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* https://github.com/Unidata/netcdf-c/issues/1496. */
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int ncid, timesubset_id, time_id, timevar_id, dummyvar_id;
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size_t start[1] = {0};
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size_t count[1] = {1};
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double data[1] = {TEST_VAL_42};
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size_t len;
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double data_in;
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if (nc_create(FILE_NAME, NC_CLOBBER | NC_NETCDF4, &ncid)) ERR;
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if (nc_def_dim(ncid, "time", NC_UNLIMITED, &time_id)) ERR;
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if (nc_def_dim(ncid, "time_subset", 50, ×ubset_id)) ERR;
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/* Define vars. */
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if (nc_def_var(ncid, "time", NC_DOUBLE, 1, ×ubset_id, &timevar_id)) ERR;
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if (nc_def_var(ncid, "dummy", NC_DOUBLE, 1, &time_id, &dummyvar_id)) ERR;
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if (nc_enddef(ncid)) ERR;
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/* Write some data. */
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if (nc_put_vara(ncid, dummyvar_id, start, count, data)) ERR;
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/* Close the file. */
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if (nc_close(ncid)) ERR;
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/* Reopen file and check. */
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if (nc_open(FILE_NAME, NC_WRITE, &ncid)) ERR;
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if (nc_inq_dim(ncid, 0, NULL, &len)) ERR;
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if (len != 1) ERR;
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if (nc_get_vara_double(ncid, 1, start, count, &data_in)) ERR;
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if (data_in != TEST_VAL_42) ERR;
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if (nc_close(ncid)) ERR;
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}
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SUMMARIZE_ERR;
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printf("*** testing very simple case writing data with 2 unlim dims...");
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{
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/* This test code based on test code from Jeff Whitaker. See
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* https://github.com/Unidata/netcdf4-python/issues/1413. This
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* is a simplified version. */
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int varid1, varid, ncid;
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int dimids[NDIM2];
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size_t start[1] = {0};
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size_t count[1] = {NY};
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int ydata[NY];
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int y, i;
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size_t len_in;
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/* Fill Y data array. */
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for (i = 0; i < NY; ++i)
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ydata[i] = i;
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/* Create a file. */
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if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
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/* Define two unlimited dims. */
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if (nc_def_dim(ncid, DIM_NAME1, NC_UNLIMITED, &dimids[0])) ERR;
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if (nc_def_dim(ncid, DIM_NAME2, NC_UNLIMITED, &dimids[1])) ERR;
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/* Define coord var for first dim Y. */
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if (nc_def_var(ncid, DIM_NAME1, NC_INT, 1, &dimids[0], &varid1)) ERR;
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/* Define a data var with dims Y,X. */
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if (nc_def_var(ncid, VAR_NAME, NC_INT, NDIM2, dimids, &varid)) ERR;
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/* Write data to coordinate var to extend Y. */
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if (nc_put_vara_int(ncid, varid1, start, count, ydata)) ERR;
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if (nc_close(ncid)) ERR;
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/* Reopen the file and check. */
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if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
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if (nc_inq_dimlen(ncid, 0, &len_in)) ERR;
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if (len_in != NY) ERR;
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if (nc_inq_dimlen(ncid, 1, &len_in)) ERR;
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if (len_in != 0) ERR;
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/* Read and check each value of the coordinate var. */
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for (y = 0; y < NY; y++)
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{
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size_t index = y;
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int data_in;
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if (nc_get_var1_int(ncid, varid1, &index, &data_in)) ERR;
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if (data_in != y) ERR;
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}
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if (nc_close(ncid)) ERR;
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}
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SUMMARIZE_ERR;
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printf("*** testing simple case writing data with 2 unlim dims...");
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{
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/* This test code based on test code from Jeff Whitaker. See
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* https://github.com/Unidata/netcdf4-python/issues/1413. This
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* is a simplified version. */
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int varid1, varid, ncid;
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int dimids[NDIM2];
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size_t start[1] = {0};
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size_t count[1] = {NY};
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size_t start2[NDIM2] = {0, 2};
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size_t count2[NDIM2] = {1, 1};
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int ydata[NY];
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int data = TEST_VAL_42;
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int x, y, i;
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/* Fill Y data array. */
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for (i = 0; i < NY; ++i)
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ydata[i] = i;
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/* Create a file. */
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if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
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/* Define two unlimited dims. */
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if (nc_def_dim(ncid, DIM_NAME1, NC_UNLIMITED, &dimids[0])) ERR;
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if (nc_def_dim(ncid, DIM_NAME2, NC_UNLIMITED, &dimids[1])) ERR;
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/* Define coord var for first dim Y. */
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if (nc_def_var(ncid, DIM_NAME1, NC_INT, 1, &dimids[0], &varid1)) ERR;
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/* Define a data var with dims Y,X. */
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if (nc_def_var(ncid, VAR_NAME, NC_INT, NDIM2, dimids, &varid)) ERR;
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/* Write data to coordinate var to extend Y. */
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if (nc_put_vara_int(ncid, varid1, start, count, ydata)) ERR;
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if (nc_sync(ncid)) ERR;
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/* write a single data point to the 2d variable */
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if (nc_put_vara_int(ncid, varid, start2, count2, &data)) ERR;
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if (nc_close(ncid)) ERR;
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/* Reopen the file and check. */
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if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
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/* Read and check each value with nc_get_var1_int(). */
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for (x = 0; x < NX; x++)
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{
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for (y = 0; y < NY; y++)
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{
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size_t index[NDIM2] = {y, x};
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int data_in;
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if (nc_get_var1_int(ncid, varid, index, &data_in)) ERR;
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if (y == start2[0] && x == start2[1])
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{
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if (data_in != data) ERR;
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}
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else
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{
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if (data_in != NC_FILL_INT) ERR;
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}
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}
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}
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/* Read and check each row with nc_get_vara_int(). */
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for (y = 0; y < NY; y++)
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{
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size_t start_row[NDIM2] = {y, 0};
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size_t count_row[NDIM2] = {1, NX};
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int data_in[NX];
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if (nc_get_vara_int(ncid, varid, start_row, count_row,
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data_in)) ERR;
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if (y == start2[0])
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{
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/* This row has data. */
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for (x = 0; x < NX; x++)
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if (data_in[x] != (x == start2[1] ? TEST_VAL_42 : NC_FILL_INT)) ERR;
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}
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else
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{
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/* This row is all fill. */
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for (x = 0; x < NX; x++)
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{
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printf("y %d x %d data %d\n", y, x, data_in[x]);
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if (data_in[x] != NC_FILL_INT) ERR;
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}
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}
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}
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if (nc_close(ncid)) ERR;
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}
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SUMMARIZE_ERR;
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FINAL_RESULTS;
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}
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