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netcdf-c/nc_test4/tst_xplatform.c

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2010-06-03 21:24:43 +08:00
/* This is part of the netCDF package. Copyright 2005 University
Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
conditions of use. See www.unidata.ucar.edu for more info.
Test netcdf-4 cross platform compound type.
$Id: tst_xplatform.c,v 1.14 2009/06/04 14:19:24 ed Exp $
*/
#include <nc_tests.h>
#include "netcdf.h"
#define FILE_NAME "tst_xplatform.nc"
/* This file comes from the ncdump directory, where it is also used
* for testing. */
#define IN_FILE_NAME_3 "ref_tst_compounds3.nc"
#define IN_FILE_NAME_4 "ref_tst_compounds4.nc"
#define CMP_TYPE_NAME "cmp_t"
#define X_NAME "x"
#define Y_NAME "y"
struct s1
{
float x;
double y;
};
int
main(int argc, char **argv)
{
printf("\n*** Testing cross-platform compound data.\n");
printf("*** testing define of struct s1 compound type...");
{
int ncid, ntypes_in, ndims_in;
char name_in[NC_MAX_NAME + 1];
size_t size_in, nfields_in, offset_in;
nc_type field_type_in, cmp_typeid;
if (nc_create(FILE_NAME, NC_NETCDF4, &ncid)) ERR;
if (nc_def_compound(ncid, sizeof(struct s1), CMP_TYPE_NAME, &cmp_typeid)) ERR;
if (nc_insert_compound(ncid, cmp_typeid, X_NAME,
NC_COMPOUND_OFFSET(struct s1, x), NC_FLOAT)) ERR;
if (nc_insert_compound(ncid, cmp_typeid, Y_NAME,
NC_COMPOUND_OFFSET(struct s1, y), NC_DOUBLE)) ERR;
if (nc_close(ncid)) ERR;
/* Check it out. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_typeids(ncid, &ntypes_in, &cmp_typeid)) ERR;
if (ntypes_in != 1) ERR;
if (nc_inq_compound(ncid, cmp_typeid, name_in, &size_in, &nfields_in)) ERR;
if (nfields_in != 2 || strcmp(name_in, CMP_TYPE_NAME) || size_in != sizeof(struct s1)) ERR;
if (nc_inq_compound_field(ncid, cmp_typeid, 0, name_in, &offset_in,
&field_type_in, &ndims_in, NULL)) ERR;
if (strcmp(name_in, X_NAME) || offset_in != 0 || field_type_in != NC_FLOAT ||
ndims_in) ERR;
if (nc_inq_compound_field(ncid, cmp_typeid, 1, name_in, &offset_in,
&field_type_in, &ndims_in, NULL)) ERR;
if (strcmp(name_in, Y_NAME) || offset_in != NC_COMPOUND_OFFSET(struct s1, y) ||
field_type_in != NC_DOUBLE || ndims_in) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** reading ref_tst_compound3.nc...");
{
/* Here is the file:
netcdf ref_tst_compounds3 {
types:
compound cmp_t {
float x ;
double y ;
}; // cmp_t
dimensions:
n = 1 ;
variables:
cmp_t var(n) ;
data:
var = {1, -2} ;
}
*/
int ncid, cmp_typeid, ntypes_in, ndims_in, dimids_in[1], natts_in;
int nvars_in, unlimdimid;
char name_in[NC_MAX_NAME + 1];
size_t size_in, nfields_in, offset_in;
nc_type field_type_in;
struct s1 data_in[1];
char file_in[NC_MAX_NAME + 1];
strcpy(file_in, "");
if (getenv("srcdir"))
{
strcat(file_in, getenv("srcdir"));
strcat(file_in, "/");
}
strcat(file_in, "../ncdump/");
strcat(file_in, IN_FILE_NAME_3);
/* Check it out. But this version of the type was created on a
* Sun, so has different size and offsets. */
if (nc_open(file_in, NC_NOWRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims_in, &nvars_in, &natts_in, &unlimdimid)) ERR;
if (ndims_in != 1 || nvars_in != 1 || natts_in != 0 || unlimdimid != -1) ERR;
if (nc_inq_var(ncid, 0, name_in, &cmp_typeid, &ndims_in, dimids_in, &natts_in)) ERR;
if (strcmp(name_in, "var") || ndims_in != 1 || natts_in) ERR;
/* Learn about the compound type. */
if (nc_inq_typeids(ncid, &ntypes_in, &cmp_typeid)) ERR;
if (ntypes_in != 1) ERR;
if (nc_inq_compound(ncid, cmp_typeid, name_in, &size_in, &nfields_in)) ERR;
if (nfields_in != 2 || strcmp(name_in, CMP_TYPE_NAME) || size_in != sizeof(struct s1)) ERR;
if (nc_inq_compound_field(ncid, cmp_typeid, 0, name_in, &offset_in,
&field_type_in, &ndims_in, NULL)) ERR;
if (strcmp(name_in, X_NAME) || offset_in != 0 || field_type_in != NC_FLOAT ||
ndims_in) ERR;
if (nc_inq_compound_field(ncid, cmp_typeid, 1, name_in, &offset_in,
&field_type_in, &ndims_in, NULL)) ERR;
if (strcmp(name_in, Y_NAME) || offset_in != NC_COMPOUND_OFFSET(struct s1, y) || field_type_in != NC_DOUBLE ||
ndims_in) ERR;
/* Read the data. */
if (nc_get_var(ncid, 0, data_in)) ERR;
if (data_in[0].x != 1.0 || data_in[0].y != -2.0) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
printf("*** reading ref_tst_compound4.nc...");
{
/* Here is the file:
netcdf ref_tst_compounds4 {
types:
compound c {
float x ;
double y ;
}; // c
compound d {
c s1 ;
}; // d
// global attributes:
d :a1 = {{1, -2}} ;
}
*/
#define NUM_TYPES 2
#define CMP_TYPE_NAME_C "c"
#define CMP_TYPE_NAME_D "d"
#define ATT_NAME "a1"
#define S1_NAME "s1"
int ncid, cmp_typeid[NUM_TYPES], ntypes_in, ndims_in, natts_in;
int nvars_in, unlimdimid;
char name_in[NC_MAX_NAME + 1];
size_t size_in, nfields_in, offset_in;
nc_type field_type_in;
struct s2
{
struct s1 s1;
};
struct s2 data_in[1];
char file_in[NC_MAX_NAME + 1];
strcpy(file_in, "");
if (getenv("srcdir"))
{
strcat(file_in, getenv("srcdir"));
strcat(file_in, "/");
}
strcat(file_in, "../ncdump/");
strcat(file_in, IN_FILE_NAME_4);
/* Check it out. But this version of the type was created on a
* Sun, so has different size and offsets. */
if (nc_open(file_in, NC_NOWRITE, &ncid)) ERR;
if (nc_inq(ncid, &ndims_in, &nvars_in, &natts_in, &unlimdimid)) ERR;
if (ndims_in != 0 || nvars_in != 0 || natts_in != 1 || unlimdimid != -1) ERR;
/* Learn about the compound type. */
if (nc_inq_typeids(ncid, &ntypes_in, cmp_typeid)) ERR;
if (ntypes_in != 2) ERR;
/* Check the inner type. */
if (nc_inq_compound(ncid, cmp_typeid[0], name_in, &size_in, &nfields_in)) ERR;
if (nfields_in != 2 || strcmp(name_in, CMP_TYPE_NAME_C) || size_in != sizeof(struct s1)) ERR;
if (nc_inq_compound_field(ncid, cmp_typeid[0], 0, name_in, &offset_in,
&field_type_in, &ndims_in, NULL)) ERR;
if (strcmp(name_in, X_NAME) || offset_in != 0 || field_type_in != NC_FLOAT ||
ndims_in) ERR;
if (nc_inq_compound_field(ncid, cmp_typeid[0], 1, name_in, &offset_in,
&field_type_in, &ndims_in, NULL)) ERR;
if (strcmp(name_in, Y_NAME) || offset_in != NC_COMPOUND_OFFSET(struct s1, y) || field_type_in != NC_DOUBLE ||
ndims_in) ERR;
/* Check the outer type. */
if (nc_inq_compound(ncid, cmp_typeid[1], name_in, &size_in, &nfields_in)) ERR;
if (nfields_in != 1 || strcmp(name_in, CMP_TYPE_NAME_D) || size_in != sizeof(struct s2)) ERR;
if (nc_inq_compound_field(ncid, cmp_typeid[1], 0, name_in, &offset_in,
&field_type_in, &ndims_in, NULL)) ERR;
/* if (strcmp(name_in, S1_NAME) || offset_in != 0 || field_type_in != cmp_typeid[0] || ndims_in) ERR;*/
/* Read the data. */
if (nc_get_att(ncid, NC_GLOBAL, ATT_NAME, data_in)) ERR;
if (data_in[0].s1.x != 1.0 || data_in[0].s1.y != -2.0) ERR;
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}