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79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
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/* This is part of the netCDF package.
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Copyright 2018 University Corporation for Atmospheric Research/Unidata
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See COPYRIGHT file for conditions of use.
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Test netcdf-4 variables.
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Ed Hartnett, 8/7/24
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*/
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#include "nc_tests.h"
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#include "err_macros.h"
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#include "netcdf.h"
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#define FILE_NAME "tst_zstd.nc"
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#define VAR_FLOAT_NAME "GALE_data"
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#define VAR_DOUBLE_NAME "ERICA_data"
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#define NDIM2 2
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#define DIM1_NAME "x"
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#define DIM1_LEN 2
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#define DIM2_NAME "y"
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#define DIM2_LEN 3
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int
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main(int argc, char **argv)
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{
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int ncid, dimids[NDIM2];
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int float_varid, double_varid;
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float float_in[DIM1_LEN][DIM2_LEN], float_out[DIM1_LEN][DIM2_LEN] = {{-.1f, 9999.99f, 100.001f},{-.1f, 9999.99f, 100.001f}};
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double double_in[DIM1_LEN][DIM2_LEN], double_out[DIM1_LEN][DIM2_LEN] = {{0.02, .1128, 1090.1},{0.02, .1128, 1090.1}};
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int i, j, ret;
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printf("\n*** Testing netcdf-4 zstd compression.\n");
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printf("*** testing netcdf-4 zstd with float...");
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{
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int nvars_in, varids_in[2];
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/* Create a netcdf file with one dim and two vars. */
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if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
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if (nc_def_dim(ncid, DIM1_NAME, DIM1_LEN, &dimids[0])) ERR;
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if (nc_def_dim(ncid, DIM2_NAME, DIM2_LEN, &dimids[1])) ERR;
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if (nc_def_var(ncid, VAR_FLOAT_NAME, NC_FLOAT, 2, dimids, &float_varid)) ERR;
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if (nc_def_var(ncid, VAR_DOUBLE_NAME, NC_DOUBLE, 2, dimids, &double_varid)) ERR;
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if ((ret = nc_def_var_zstandard(ncid, float_varid, 4)))
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{
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printf("error: %s\n", nc_strerror(ret));
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ERR;
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}
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if (nc_def_var_zstandard(ncid, double_varid, 4)) ERR;
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if (nc_put_var_float(ncid, float_varid, (float *)float_out)) ERR;
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if (nc_put_var_double(ncid, double_varid, (double *)double_out)) ERR;
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if (nc_close(ncid)) ERR;
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/* Open the file and make sure nc_inq_varids yields correct
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* result. */
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if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
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if (nc_inq_varids(ncid, &nvars_in, varids_in)) ERR;
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if (nvars_in != 2 || varids_in[0] != 0 || varids_in[1] != 1) ERR;
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if (nc_get_var_float(ncid, float_varid, (float *)float_in)) ERR;
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if (nc_get_var_double(ncid, double_varid, (double *)double_in)) ERR;
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for (i = 0; i < DIM1_LEN; i++)
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{
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for (j = 0; j < DIM2_LEN; j++)
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{
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if (float_in[i][j] != float_out[i][j]) ERR;
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if (double_in[i][j] != double_out[i][j]) ERR;
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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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SUMMARIZE_ERR;
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FINAL_RESULTS;
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}
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