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494 lines
17 KiB
C
494 lines
17 KiB
C
/*
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Copyright 2018, UCAR/Unidata
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See COPYRIGHT file for copying and redistribution conditions.
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This is part of netCDF.
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This program tests for a bug discovered with nofill mode that failed
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only on file systems with block size in a particular range. It fails
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when invoked with the blksize argument between 2091953 and 2150032,
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inclusive, and succeeds for other blksizes.
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$Id: tst_nofill.c 2792 2014-10-27 06:02:59Z wkliao $
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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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#include <stdio.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <netcdf.h>
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#define FILE_NAME1 "tst_fill1.nc"
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#define FILE_NAME2 "tst_fill2.nc"
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void
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check_err(const int stat, const int line, const char *file) {
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if (stat != NC_NOERR) {
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(void) fprintf(stderr, "line %d of %s: %s\n", line, file, nc_strerror(stat));
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fflush(stderr);
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exit(1);
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}
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}
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#define LON_LEN 240
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#define LAT_LEN 121
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#define LVL_LEN 31
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#define TIME_LEN 1
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int
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create_file(char *file_name, int fill_mode, size_t* sizehintp)
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{
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int i;
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int stat; /* return status */
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int ncid; /* netCDF id */
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/* dimension ids */
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int lon_dim;
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int lat_dim;
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int lvl_dim;
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int time_dim;
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/* dimension lengths */
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size_t lon_len = LON_LEN;
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size_t lat_len = LAT_LEN;
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size_t lvl_len = LVL_LEN;
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size_t time_len = TIME_LEN;
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/* variable ids */
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int time_id;
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int lat_id;
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int lon_id;
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int lvl_id;
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int sfc_pres_id;
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int temp_scrn_id;
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int qsair_scrn_id;
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int topog_id;
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int mslp_id;
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int sfc_temp_id;
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int zonal_wnd_id;
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/* rank (number of dimensions) for each variable */
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# define RANK_time 1
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# define RANK_lat 1
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# define RANK_lon 1
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# define RANK_lvl 1
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# define RANK_sfc_pres 3
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# define RANK_temp_scrn 3
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# define RANK_qsair_scrn 3
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# define RANK_topog 3
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# define RANK_mslp 3
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# define RANK_sfc_temp 3
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# define RANK_zonal_wnd 4
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/* variable shapes */
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int time_dims[RANK_time];
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int lat_dims[RANK_lat];
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int lon_dims[RANK_lon];
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int lvl_dims[RANK_lvl];
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int sfc_pres_dims[RANK_sfc_pres];
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int temp_scrn_dims[RANK_temp_scrn];
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int qsair_scrn_dims[RANK_qsair_scrn];
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int topog_dims[RANK_topog];
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int mslp_dims[RANK_mslp];
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int sfc_temp_dims[RANK_sfc_temp];
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int zonal_wnd_dims[RANK_zonal_wnd];
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size_t zonal_wnd_start[RANK_zonal_wnd];
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size_t zonal_wnd_count[RANK_zonal_wnd];
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float zonal_wnd[LON_LEN*LAT_LEN*TIME_LEN];
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int ii;
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/* To test bug on filesystem without large block size, we can get
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* the same effect by providing the desired value as sizehint to
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* nc__create() instead of calling nc_create() and getting the
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* block size reported by fstat */
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#ifdef USE_PNETCDF
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stat = nc_create_par(file_name, NC_CLOBBER, MPI_COMM_WORLD, MPI_INFO_NULL, &ncid);
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/* PnetCDF does not support fill mode */
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#else
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int old_fill_mode;
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size_t default_initialsize = 0;
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stat = nc__create(file_name, NC_CLOBBER, default_initialsize, sizehintp, &ncid);
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check_err(stat,__LINE__,__FILE__);
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stat = nc_set_fill(ncid, fill_mode, &old_fill_mode);
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#endif
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check_err(stat,__LINE__,__FILE__);
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/* define dimensions */
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stat = nc_def_dim(ncid, "lon", lon_len, &lon_dim);
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check_err(stat,__LINE__,__FILE__);
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stat = nc_def_dim(ncid, "lat", lat_len, &lat_dim);
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check_err(stat,__LINE__,__FILE__);
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stat = nc_def_dim(ncid, "lvl", lvl_len, &lvl_dim);
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check_err(stat,__LINE__,__FILE__);
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stat = nc_def_dim(ncid, "time", time_len, &time_dim);
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check_err(stat,__LINE__,__FILE__);
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/* define variables */
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time_dims[0] = time_dim;
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stat = nc_def_var(ncid, "time", NC_DOUBLE, RANK_time, time_dims, &time_id);
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check_err(stat,__LINE__,__FILE__);
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lat_dims[0] = lat_dim;
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stat = nc_def_var(ncid, "lat", NC_FLOAT, RANK_lat, lat_dims, &lat_id);
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check_err(stat,__LINE__,__FILE__);
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lon_dims[0] = lon_dim;
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stat = nc_def_var(ncid, "lon", NC_FLOAT, RANK_lon, lon_dims, &lon_id);
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check_err(stat,__LINE__,__FILE__);
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lvl_dims[0] = lvl_dim;
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stat = nc_def_var(ncid, "lvl", NC_FLOAT, RANK_lvl, lvl_dims, &lvl_id);
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check_err(stat,__LINE__,__FILE__);
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sfc_pres_dims[0] = time_dim;
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sfc_pres_dims[1] = lat_dim;
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sfc_pres_dims[2] = lon_dim;
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stat = nc_def_var(ncid, "sfc_pres", NC_FLOAT, RANK_sfc_pres, sfc_pres_dims, &sfc_pres_id);
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check_err(stat,__LINE__,__FILE__);
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temp_scrn_dims[0] = time_dim;
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temp_scrn_dims[1] = lat_dim;
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temp_scrn_dims[2] = lon_dim;
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stat = nc_def_var(ncid, "temp_scrn", NC_FLOAT, RANK_temp_scrn, temp_scrn_dims, &temp_scrn_id);
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check_err(stat,__LINE__,__FILE__);
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qsair_scrn_dims[0] = time_dim;
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qsair_scrn_dims[1] = lat_dim;
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qsair_scrn_dims[2] = lon_dim;
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stat = nc_def_var(ncid, "qsair_scrn", NC_FLOAT, RANK_qsair_scrn, qsair_scrn_dims, &qsair_scrn_id);
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check_err(stat,__LINE__,__FILE__);
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topog_dims[0] = time_dim;
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topog_dims[1] = lat_dim;
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topog_dims[2] = lon_dim;
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stat = nc_def_var(ncid, "topog", NC_FLOAT, RANK_topog, topog_dims, &topog_id);
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check_err(stat,__LINE__,__FILE__);
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mslp_dims[0] = time_dim;
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mslp_dims[1] = lat_dim;
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mslp_dims[2] = lon_dim;
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stat = nc_def_var(ncid, "mslp", NC_FLOAT, RANK_mslp, mslp_dims, &mslp_id);
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check_err(stat,__LINE__,__FILE__);
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sfc_temp_dims[0] = time_dim;
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sfc_temp_dims[1] = lat_dim;
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sfc_temp_dims[2] = lon_dim;
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stat = nc_def_var(ncid, "sfc_temp", NC_FLOAT, RANK_sfc_temp, sfc_temp_dims, &sfc_temp_id);
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check_err(stat,__LINE__,__FILE__);
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zonal_wnd_dims[0] = time_dim;
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zonal_wnd_dims[1] = lvl_dim;
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zonal_wnd_dims[2] = lat_dim;
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zonal_wnd_dims[3] = lon_dim;
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stat = nc_def_var(ncid, "zonal_wnd", NC_FLOAT, RANK_zonal_wnd, zonal_wnd_dims, &zonal_wnd_id);
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check_err(stat,__LINE__,__FILE__);
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/* leave define mode */
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stat = nc_enddef (ncid);
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check_err(stat,__LINE__,__FILE__);
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{ /* store time */
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size_t time_start[RANK_time];
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size_t time_count[RANK_time];
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double time[TIME_LEN] = {1.};
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time_len = 1;
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time_start[0] = 0;
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time_count[0] = time_len;
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stat = nc_put_vara_double(ncid, time_id, time_start, time_count, time);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store lat */
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float lat[] = {90, 88.5, 87, 85.5, 84, 82.5, 81, 79.5, 78, 76.5, 75, 73.5, 72, 70.5, 69, 67.5, 66, 64.5, 63, 61.5, 60, 58.5, 57, 55.5, 54, 52.5, 51, 49.5, 48, 46.5, 45, 43.5, 42, 40.5, 39, 37.5, 36, 34.5, 33, 31.5, 30, 28.5, 27, 25.5, 24, 22.5, 21, 19.5, 18, 16.5, 15, 13.5, 12, 10.5, 9, 7.5, 6, 4.5, 3, 1.5, 0, -1.5, -3, -4.5, -6, -7.5, -9, -10.5, -12, -13.5, -15, -16.5, -18, -19.5, -21, -22.5, -24, -25.5, -27, -28.5, -30, -31.5, -33, -34.5, -36, -37.5, -39, -40.5, -42, -43.5, -45, -46.5, -48, -49.5, -51, -52.5, -54, -55.5, -57, -58.5, -60, -61.5, -63, -64.5, -66, -67.5, -69, -70.5, -72, -73.5, -75, -76.5, -78, -79.5, -81, -82.5, -84, -85.5, -87, -88.5, -90};
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stat = nc_put_var_float(ncid, lat_id, lat);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store lon */
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float lon[] = {0, 1.5, 3, 4.5, 6, 7.5, 9, 10.5, 12, 13.5, 15, 16.5, 18, 19.5, 21, 22.5, 24, 25.5, 27, 28.5, 30, 31.5, 33, 34.5, 36, 37.5, 39, 40.5, 42, 43.5, 45, 46.5, 48, 49.5, 51, 52.5, 54, 55.5, 57, 58.5, 60, 61.5, 63, 64.5, 66, 67.5, 69, 70.5, 72, 73.5, 75, 76.5, 78, 79.5, 81, 82.5, 84, 85.5, 87, 88.5, 90, 91.5, 93, 94.5, 96, 97.5, 99, 100.5, 102, 103.5, 105, 106.5, 108, 109.5, 111, 112.5, 114, 115.5, 117, 118.5, 120, 121.5, 123, 124.5, 126, 127.5, 129, 130.5, 132, 133.5, 135, 136.5, 138, 139.5, 141, 142.5, 144, 145.5, 147, 148.5, 150, 151.5, 153, 154.5, 156, 157.5, 159, 160.5, 162, 163.5, 165, 166.5, 168, 169.5, 171, 172.5, 174, 175.5, 177, 178.5, 180, 181.5, 183, 184.5, 186, 187.5, 189, 190.5, 192, 193.5, 195, 196.5, 198, 199.5, 201, 202.5, 204, 205.5, 207, 208.5, 210, 211.5, 213, 214.5, 216, 217.5, 219, 220.5, 222, 223.5, 225, 226.5, 228, 229.5, 231, 232.5, 234, 235.5, 237, 238.5, 240, 241.5, 243, 244.5, 246, 247.5, 249, 250.5, 252, 253.5, 255, 256.5, 258, 259.5, 261, 262.5, 264, 265.5, 267, 268.5, 270, 271.5, 273, 274.5, 276, 277.5, 279, 280.5, 282, 283.5, 285, 286.5, 288, 289.5, 291, 292.5, 294, 295.5, 297, 298.5, 300, 301.5, 303, 304.5, 306, 307.5, 309, 310.5, 312, 313.5, 315, 316.5, 318, 319.5, 321, 322.5, 324, 325.5, 327, 328.5, 330, 331.5, 333, 334.5, 336, 337.5, 339, 340.5, 342, 343.5, 345, 346.5, 348, 349.5, 351, 352.5, 354, 355.5, 357, 358.5};
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stat = nc_put_var_float(ncid, lon_id, lon);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store lvl */
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float lvl[] = {1000, 995, 990, 985, 975, 950, 925, 900, 875, 850, 800, 750, 700, 600, 500, 450, 400, 350, 300, 275, 250, 225, 200, 175, 150, 100, 70, 50, 30, 20, 10};
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stat = nc_put_var_float(ncid, lvl_id, lvl);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store sfc_pres */
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size_t sfc_pres_start[RANK_sfc_pres];
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size_t sfc_pres_count[RANK_sfc_pres];
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float sfc_pres[LON_LEN*LAT_LEN];
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for(ii = 0; ii < LAT_LEN * LON_LEN; ii++) {
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sfc_pres[ii] = 6;
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}
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sfc_pres_start[0] = 0;
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sfc_pres_start[1] = 0;
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sfc_pres_start[2] = 0;
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sfc_pres_count[0] = time_len;
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sfc_pres_count[1] = lat_len;
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sfc_pres_count[2] = lon_len;
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stat = nc_put_vara_float(ncid, sfc_pres_id, sfc_pres_start, sfc_pres_count, sfc_pres);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store temp_scrn */
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size_t temp_scrn_start[RANK_temp_scrn];
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size_t temp_scrn_count[RANK_temp_scrn];
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float temp_scrn[LON_LEN*LAT_LEN];
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for(ii = 0; ii < LAT_LEN * LON_LEN; ii++) {
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temp_scrn[ii] = 11;
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}
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temp_scrn_start[0] = 0;
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temp_scrn_start[1] = 0;
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temp_scrn_start[2] = 0;
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temp_scrn_count[0] = time_len;
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temp_scrn_count[1] = lat_len;
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temp_scrn_count[2] = lon_len;
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stat = nc_put_vara_float(ncid, temp_scrn_id, temp_scrn_start, temp_scrn_count, temp_scrn);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store qsair_scrn */
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size_t qsair_scrn_start[RANK_qsair_scrn];
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size_t qsair_scrn_count[RANK_qsair_scrn];
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float qsair_scrn[LON_LEN*LAT_LEN];
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for(ii = 0; ii < LAT_LEN * LON_LEN; ii++) {
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qsair_scrn[ii] = 22;
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}
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qsair_scrn_start[0] = 0;
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qsair_scrn_start[1] = 0;
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qsair_scrn_start[2] = 0;
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qsair_scrn_count[0] = time_len;
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qsair_scrn_count[1] = lat_len;
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qsair_scrn_count[2] = lon_len;
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stat = nc_put_vara_float(ncid, qsair_scrn_id, qsair_scrn_start, qsair_scrn_count, qsair_scrn);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store topog */
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size_t topog_start[RANK_topog];
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size_t topog_count[RANK_topog];
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float topog[LON_LEN*LAT_LEN];
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for(ii = 0; ii < LAT_LEN * LON_LEN; ii++) {
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topog[ii] = 33;
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}
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topog_start[0] = 0;
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topog_start[1] = 0;
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topog_start[2] = 0;
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topog_count[0] = time_len;
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topog_count[1] = lat_len;
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topog_count[2] = lon_len;
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stat = nc_put_vara_float(ncid, topog_id, topog_start, topog_count, topog);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store mslp */
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size_t mslp_start[RANK_mslp];
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size_t mslp_count[RANK_mslp];
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float mslp[LON_LEN*LAT_LEN];
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for(ii = 0; ii < LAT_LEN * LON_LEN; ii++) {
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mslp[ii] = 44;
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}
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mslp_start[0] = 0;
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mslp_start[1] = 0;
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mslp_start[2] = 0;
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mslp_count[0] = time_len;
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mslp_count[1] = lat_len;
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mslp_count[2] = lon_len;
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stat = nc_put_vara_float(ncid, mslp_id, mslp_start, mslp_count, mslp);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store sfc_temp */
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size_t sfc_temp_start[RANK_sfc_temp];
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size_t sfc_temp_count[RANK_sfc_temp];
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float sfc_temp[LON_LEN*LAT_LEN];
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for(ii = 0; ii < LAT_LEN * LON_LEN; ii++) {
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sfc_temp[ii] = 55;
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}
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sfc_temp_start[0] = 0;
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sfc_temp_start[1] = 0;
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sfc_temp_start[2] = 0;
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sfc_temp_count[0] = time_len;
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sfc_temp_count[1] = lat_len;
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sfc_temp_count[2] = lon_len;
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stat = nc_put_vara_float(ncid, sfc_temp_id, sfc_temp_start, sfc_temp_count, sfc_temp);
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check_err(stat,__LINE__,__FILE__);
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}
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{ /* store zonal_wnd */
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/* Bug exposed when written in reverse order. */
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for(i = LVL_LEN - 1; i>=0; i--)
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/* for(i = 0; i < LVL_LEN; i++) */
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{
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int izw;
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for(izw = 0; izw < TIME_LEN * LAT_LEN * LON_LEN; izw++) {
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zonal_wnd[izw] = 100 + i;
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}
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zonal_wnd_start[0] = 0;
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zonal_wnd_start[1] = i;
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zonal_wnd_start[2] = 0;
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zonal_wnd_start[3] = 0;
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zonal_wnd_count[0] = time_len;
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zonal_wnd_count[1] = 1;
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zonal_wnd_count[2] = lat_len;
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zonal_wnd_count[3] = lon_len;
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stat = nc_put_vara_float(ncid, zonal_wnd_id, zonal_wnd_start, zonal_wnd_count, zonal_wnd);
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check_err(stat,__LINE__,__FILE__);
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}
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}
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stat = nc_close(ncid);
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check_err(stat,__LINE__,__FILE__);
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return 0;
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}
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int
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main(int argc, char **argv)
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{
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size_t sizehint = 2100000; /* default if not set on command line,
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* exposes bug. It turns out any
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* value between 2091953 and 2150032
|
|
* triggers bug, whereas all other
|
|
* values work fine. */
|
|
#ifdef USE_PNETCDF
|
|
MPI_Init(&argc, &argv);
|
|
#endif
|
|
|
|
if (argc > 1) {
|
|
char *endptr, *str = argv[1];
|
|
errno = 0;
|
|
sizehint = strtol(str, &endptr, 0);
|
|
/* check for various possible errors */
|
|
if ((errno == ERANGE && (sizehint == LONG_MAX || sizehint == LONG_MIN))
|
|
|| (errno != 0 && sizehint == 0)) {
|
|
perror("strtol");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (endptr == str) {
|
|
fprintf(stderr, "No digits were found\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
printf("\n*** Testing nofill mode.\n");
|
|
{
|
|
printf("*** Create file in nofill mode, writing all values...");
|
|
if (create_file(FILE_NAME1, NC_NOFILL, &sizehint)) ERR;
|
|
SUMMARIZE_ERR;
|
|
}
|
|
{
|
|
printf("*** Create file with same data in fill mode, writing all values...");
|
|
if (create_file(FILE_NAME2, NC_FILL, &sizehint)) ERR;
|
|
SUMMARIZE_ERR;
|
|
}
|
|
{
|
|
int ncid1, ncid2;
|
|
int nvars1, nvars2;
|
|
int varid;
|
|
int badvars;
|
|
|
|
printf("*** Compare values in nofill mode and fill mode files...");
|
|
/* compare data in two files created with nofill mode and fill
|
|
* mode, which should be identical if all the data were written */
|
|
#ifdef USE_PNETCDF
|
|
if (nc_open_par(FILE_NAME1, NC_NOWRITE, MPI_COMM_WORLD, MPI_INFO_NULL, &ncid1)) ERR;
|
|
if (nc_open_par(FILE_NAME2, NC_NOWRITE, MPI_COMM_WORLD, MPI_INFO_NULL, &ncid2)) ERR;
|
|
#else
|
|
if (nc_open(FILE_NAME1, NC_NOWRITE, &ncid1)) ERR;
|
|
if (nc_open(FILE_NAME2, NC_NOWRITE, &ncid2)) ERR;
|
|
#endif
|
|
if (nc_inq_nvars(ncid1, &nvars1)) ERR;
|
|
if (nc_inq_nvars(ncid2, &nvars2)) ERR;
|
|
if (nvars1 != nvars2) ERR;
|
|
badvars = 0;
|
|
for(varid = 0; varid < nvars1; varid++) {
|
|
size_t nvals, nn;
|
|
int ndims, *dimids, dim;
|
|
nc_type vtype;
|
|
char varname1[NC_MAX_NAME];
|
|
char varname2[NC_MAX_NAME];
|
|
/* How many values in this variable to compare? */
|
|
if (nc_inq_varndims(ncid1, varid, &ndims)) ERR;
|
|
dimids = malloc((ndims + 1) * sizeof(int));
|
|
if (!dimids) ERR;
|
|
if (nc_inq_vardimid (ncid1, varid, dimids)) ERR;
|
|
nvals = 1;
|
|
for(dim = 0; dim < ndims; dim++) {
|
|
size_t len;
|
|
if (nc_inq_dimlen(ncid1, dimids[dim], &len)) ERR;
|
|
nvals *= len;
|
|
}
|
|
if (nc_inq_vartype(ncid1, varid, &vtype)) ERR;
|
|
if (nc_inq_varname(ncid1, varid, varname1)) ERR;
|
|
if (nc_inq_varname(ncid1, varid, varname2)) ERR;
|
|
|
|
if (vtype != NC_CHAR) { /* numeric data, just read in as doubles */
|
|
double *data1, *data2;
|
|
/* Allocate space to hold values in both files */
|
|
data1 = malloc((nvals + 1) * sizeof(double));
|
|
if (!data1) ERR;
|
|
data2 = malloc((nvals + 1) * sizeof(double));
|
|
if (!data2) ERR;
|
|
/* Read in values */
|
|
if (nc_get_var_double(ncid1, varid, data1)) ERR;
|
|
if (nc_get_var_double(ncid2, varid, data2)) ERR;
|
|
/* Compare values */
|
|
for(nn = 0; nn < nvals; nn++) {
|
|
if (data1[nn] != data2[nn]) {
|
|
badvars++;
|
|
fprintf(stderr,
|
|
"\tFrom nofill file, %s[%lu] = %.15g\tFrom fill file, %s[%lu] = %.15g\n",
|
|
varname1, (unsigned long)nn, data1[nn], varname2, (unsigned long)nn, data2[nn]);
|
|
break;
|
|
};
|
|
}
|
|
free(data1);
|
|
free(data2);
|
|
} else { /* character data */
|
|
char *data1, *data2;
|
|
/* Allocate space to hold values in both files */
|
|
data1 = malloc((nvals + 1) * sizeof(char));
|
|
if (!data1) ERR;
|
|
data2 = malloc((nvals + 1) * sizeof(char));
|
|
if (!data2) ERR;
|
|
/* Read in values */
|
|
if (nc_get_var_text(ncid1, varid, data1)) ERR;
|
|
if (nc_get_var_text(ncid2, varid, data2)) ERR;
|
|
/* Compare values */
|
|
for(nn = 0; nn < nvals; nn++) {
|
|
if (data1[nn] != data2[nn]) {
|
|
badvars++;
|
|
fprintf(stderr,
|
|
"\tFrom nofill file, %s[%lu] = %d\tFrom fill file, %s[%lu] = %d\n",
|
|
varname1, (unsigned long)nn, data1[nn], varname2, (unsigned long)nn, data2[nn]);
|
|
break;
|
|
};
|
|
}
|
|
free(data1);
|
|
free(data2);
|
|
}
|
|
free(dimids);
|
|
}
|
|
if(badvars > 0) ERR;
|
|
if (nc_close(ncid1)) ERR;
|
|
if (nc_close(ncid2)) ERR;
|
|
SUMMARIZE_ERR;
|
|
}
|
|
FINAL_RESULTS;
|
|
#ifdef USE_PNETCDF
|
|
MPI_Finalize();
|
|
#endif
|
|
}
|