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netcdf-c/nc_test4/tst_chunks.c

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minor refactor of the build system to work better for cross-compiling
2011-03-15 18:19:08 +08:00
/* This is part of the netCDF package.
Copyright 2005 University Corporation for Atmospheric Research/Unidata
See COPYRIGHT file for conditions of use.
Test netcdf-4 variables.
$Id: tst_chunks.c,v 1.3 2010/01/21 16:00:18 ed Exp $
*/
#include <nc_tests.h>
#define FILE_NAME "tst_chunks.nc"
#define NDIMS1 1
#define D_SMALL "small_dim"
#define D_SMALL_LEN 16
#define D_MEDIUM "medium_dim"
#define D_MEDIUM_LEN 65546
#define D_LARGE "large_dim"
#define D_LARGE_LEN 1048586
#define V_SMALL "small_var"
#define V_MEDIUM "medium_var"
#define V_LARGE "large_var"
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int
main(int argc, char **argv)
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{
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printf("\n*** Testing netcdf-4 variable chunking.\n");
printf("**** testing that fixed vars with filter end up being chunked, with good sizes...");
{
int ncid;
int nvars, ndims, ngatts, unlimdimid;
int contig;
int ndims_in, natts_in, dimids_in;
int small_dimid, medium_dimid, large_dimid;
int small_varid, medium_varid, large_varid;
char var_name_in[NC_MAX_NAME + 1];
size_t chunksize_in[NDIMS1];
nc_type xtype_in;
/* Create a netcdf-4 file with three dimensions. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, D_SMALL, D_SMALL_LEN, &small_dimid)) ERR;
if (nc_def_dim(ncid, D_MEDIUM, D_MEDIUM_LEN, &medium_dimid)) ERR;
if (nc_def_dim(ncid, D_LARGE, D_LARGE_LEN, &large_dimid)) ERR;
/* Add three vars, with filters to force chunking. */
if (nc_def_var(ncid, V_SMALL, NC_INT64, NDIMS1, &small_dimid, &small_varid)) ERR;
if (nc_def_var_deflate(ncid, small_varid, 0, 1, 4)) ERR;
if (nc_def_var(ncid, V_MEDIUM, NC_INT64, NDIMS1, &medium_dimid, &medium_varid)) ERR;
if (nc_def_var_deflate(ncid, medium_varid, 1, 0, 0)) ERR;
if (nc_def_var(ncid, V_LARGE, NC_INT64, NDIMS1, &large_dimid, &large_varid)) ERR;
if (nc_def_var_fletcher32(ncid, large_varid, 1)) ERR;
if (nc_close(ncid)) ERR;
/* Open the file and check. */
if (nc_open(FILE_NAME, NC_WRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims, &nvars, &ngatts, &unlimdimid)) ERR;
if (nvars != 3 || ndims != 3 || ngatts != 0 || unlimdimid != -1) ERR;
if (nc_inq_var(ncid, 0, var_name_in, &xtype_in, &ndims_in, &dimids_in, &natts_in)) ERR;
if (strcmp(var_name_in, V_SMALL) || xtype_in != NC_INT64 || ndims_in != 1 ||
natts_in != 0) ERR;
/* Make sure chunking sizes are what we expect. */
if (nc_inq_var_chunking(ncid, small_varid, &contig, chunksize_in)) ERR;
if (contig || chunksize_in[0] != D_SMALL_LEN) ERR;
if (nc_inq_var_chunking(ncid, medium_varid, &contig, chunksize_in)) ERR;
if (contig || chunksize_in[0] * sizeof(long long) > DEFAULT_CHUNK_SIZE) ERR;
if (nc_inq_var_chunking(ncid, large_varid, &contig, chunksize_in)) ERR;
if (contig || chunksize_in[0] * sizeof(long long) > DEFAULT_CHUNK_SIZE) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
Delete obsolete libdiskless directory, replaced by new diskless implementation. Deleted obsolete win32, soon to be replaced by Ward's Windows 32- and 64-bit fixes for building with MSYS/MinGW. Made cosmetic cleanup to output of "make check" to make it easier for users to interpret. Fixed bug NCF-175: ncdump -t incorrectly interpreting units attribute (such as "days") without a base time (such as "since 2007-01-01") as a time unit. Changed name to 4.2.1-beta.
2012-06-13 05:50:02 +08:00
printf("**** testing default chunksizes...");
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{
int nvars, ndims, ngatts, unlimdimid;
int contig;
#define NUM_DIM 4
#define NUM_TYPE 2
int ncid;
int dim_len[NUM_DIM] = {NC_UNLIMITED, 100, 1000, 2000};
size_t chunksize_in[NUM_DIM];
int type_id[NUM_TYPE] = {NC_BYTE, NC_INT};
int dimid[NUM_DIM], varid[NUM_TYPE];
char dim_name[NC_MAX_NAME + 1], var_name[NC_MAX_NAME + 1];
int d, t;
/* Create a netcdf-4 file with NUM_DIM dimensions. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
for (d = 0; d < NUM_DIM; d++)
{
sprintf(dim_name, "dim_%d", dim_len[d]);
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#ifdef PRINT_DEFAULT_CHUNKSIZE_TABLE
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printf("creating dim %s\n", dim_name);
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#endif
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if (nc_def_dim(ncid, dim_name, dim_len[d], &dimid[d])) ERR;
}
for (t = 0; t < NUM_TYPE; t++)
{
sprintf(var_name, "var_%d", type_id[t]);
if (nc_def_var(ncid, var_name, type_id[t], NUM_DIM, dimid, &varid[t])) ERR;
if (nc_inq_var_chunking(ncid, varid[t], &contig, chunksize_in)) ERR;
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#ifdef PRINT_DEFAULT_CHUNKSIZE_TABLE
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printf("chunksizes for %d x %d x %d x %d var: %d x %d x %d x %d (=%d)\n",
dim_len[0], dim_len[1], dim_len[2], dim_len[3],
(int)chunksize_in[0], (int)chunksize_in[1], (int)chunksize_in[2],
(int)chunksize_in[3],
(int)(chunksize_in[0] * chunksize_in[1] * chunksize_in[2] * chunksize_in[3]));
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#endif
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}
if (nc_close(ncid)) ERR;
/* Open the file and check. */
if (nc_open(FILE_NAME, NC_WRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims, &nvars, &ngatts, &unlimdimid)) ERR;
if (nvars != NUM_TYPE || ndims != NUM_DIM || ngatts != 0 || unlimdimid != 0) ERR;
for (t = 0; t < NUM_TYPE; t++)
{
sprintf(var_name, "var_%d", type_id[t]);
if (nc_inq_var_chunking(ncid, varid[t], &contig, chunksize_in)) ERR;
if (contig) ERR;
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#ifdef PRINT_DEFAULT_CHUNKSIZE_TABLE
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printf("chunksizes for %d x %d x %d x %d var: %d x %d x %d x %d (=%d)\n",
dim_len[0], dim_len[1], dim_len[2], dim_len[3],
(int)chunksize_in[0], (int)chunksize_in[1], (int)chunksize_in[2],
(int)chunksize_in[3],
(int)(chunksize_in[0] * chunksize_in[1] * chunksize_in[2] * chunksize_in[3]));
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#endif
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}
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("**** testing that chunking works on classic mode files...");
{
#define D_SMALL_LEN2 66
int ncid;
int nvars, ndims, ngatts, unlimdimid;
int contig;
int ndims_in, natts_in, dimids_in;
int small_dimid, medium_dimid, large_dimid;
int small_varid, medium_varid, large_varid;
char var_name_in[NC_MAX_NAME + 1];
size_t chunks[1], chunksize_in;
nc_type xtype_in;
/* Create a netcdf-4 file with three dimensions. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, D_SMALL, D_SMALL_LEN2, &small_dimid)) ERR;
if (nc_def_dim(ncid, D_MEDIUM, D_MEDIUM_LEN, &medium_dimid)) ERR;
if (nc_def_dim(ncid, D_LARGE, D_LARGE_LEN, &large_dimid)) ERR;
/* Add three vars. */
if (nc_def_var(ncid, V_SMALL, NC_INT64, NDIMS1, &small_dimid, &small_varid)) ERR;
if (nc_def_var_chunking(ncid, small_varid, 1, NULL)) ERR;
if (nc_def_var(ncid, V_MEDIUM, NC_INT64, NDIMS1, &medium_dimid, &medium_varid)) ERR;
chunks[0] = D_MEDIUM_LEN / 100;
if (nc_def_var_chunking(ncid, medium_varid, 0, chunks)) ERR;
if (nc_def_var_deflate(ncid, medium_varid, 1, 0, 0)) ERR;
if (nc_def_var(ncid, V_LARGE, NC_INT64, NDIMS1, &large_dimid, &large_varid)) ERR;
chunks[0] = D_LARGE_LEN / 1000;
if (nc_def_var_chunking(ncid, large_varid, 0, chunks)) ERR;
if (nc_def_var_fletcher32(ncid, large_varid, 1)) ERR;
if (nc_close(ncid)) ERR;
/* Open the file and check. */
if (nc_open(FILE_NAME, NC_WRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims, &nvars, &ngatts, &unlimdimid)) ERR;
if (nvars != 3 || ndims != 3 || ngatts != 0 || unlimdimid != -1) ERR;
if (nc_inq_var(ncid, 0, var_name_in, &xtype_in, &ndims_in, &dimids_in, &natts_in)) ERR;
if (strcmp(var_name_in, V_SMALL) || xtype_in != NC_INT64 || ndims_in != 1 ||
natts_in != 0) ERR;
/* Make sure chunking settings are what we expect. */
if (nc_inq_var_chunking(ncid, small_varid, &contig, &chunksize_in)) ERR;
if (!contig) ERR;
if (nc_inq_var_chunking(ncid, medium_varid, &contig, &chunksize_in)) ERR;
if (contig || chunksize_in != D_MEDIUM_LEN / 100) ERR;
if (nc_inq_var_chunking(ncid, large_varid, &contig, &chunksize_in)) ERR;
if (contig || chunksize_in != D_LARGE_LEN / 1000) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("**** testing many chunking and contiguous variables...");
{
#define NDIMS_3 3
#define NUM_PLANS 30
#define D_SNEAKINESS "sneakiness"
#define D_SNEAKINESS_LEN 5
#define D_CLEVERNESS "clevernesss"
#define D_CLEVERNESS_LEN 3
#define D_EFFECTIVENESS "effectiveness"
#define D_EFFECTIVENESS_LEN 2
int ncid, dimids[NDIMS_3], varid[NUM_PLANS];
size_t chunksize[NDIMS_3] = {D_SNEAKINESS_LEN, D_CLEVERNESS_LEN,
D_EFFECTIVENESS_LEN};
char plan_name[NC_MAX_NAME + 1];
int contig;
size_t chunksize_in[NDIMS_3];
int i, j;
/* Create a netcdf-4 file with three dimensions. */
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_dim(ncid, D_SNEAKINESS, D_SNEAKINESS_LEN, &dimids[0])) ERR;
if (nc_def_dim(ncid, D_CLEVERNESS, D_CLEVERNESS_LEN, &dimids[1])) ERR;
if (nc_def_dim(ncid, D_EFFECTIVENESS, D_EFFECTIVENESS_LEN, &dimids[2])) ERR;
/* Oh that tricky Cardinal Richelieu, he had many plans! */
for (i = 0; i < NUM_PLANS; i++)
{
sprintf(plan_name, "Richelieu_sneaky_plan_%d", i);
if (nc_def_var(ncid, plan_name, i % (NC_STRING - 1) + 1, NDIMS_3,
dimids, &varid[i])) ERR;
if (i % 2 && nc_def_var_chunking(ncid, varid[i], 0, chunksize)) ERR;
}
/* Check the chunking. */
for (i = 0; i < NUM_PLANS; i++)
{
if (nc_inq_var_chunking(ncid, varid[i], &contig, chunksize_in)) ERR;
if (i % 2)
{
for (j = 0; j < NDIMS_3; j++)
if (chunksize_in[j] != chunksize[j]) ERR;
}
else
if (!contig) ERR;
}
if (nc_close(ncid)) ERR;
/* Open the file and check. */
if (nc_open(FILE_NAME, NC_WRITE, &ncid)) ERR;
/* Check the chunking. */
for (i = 0; i < NUM_PLANS; i++)
{
if (nc_inq_var_chunking(ncid, varid[i], &contig, chunksize_in)) ERR;
if (i % 2)
{
for (j = 0; j < NDIMS_3; j++)
if (chunksize_in[j] != chunksize[j]) ERR;
}
else
if (!contig) ERR;
}
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
moving to trunk subdir
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}
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