netcdf-c/nctest/vputget.c
2010-06-03 13:24:43 +00:00

127 lines
4.3 KiB
C

/*********************************************************************
* Copyright 1993, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
* $Header: /upc/share/CVS/netcdf-3/nctest/vputget.c,v 1.13 2006/10/31 16:19:49 ed Exp $
*********************************************************************/
#include <config.h>
#include <stdio.h>
#include <stdlib.h> /* for free() */
#include "netcdf.h"
#include "testcdf.h" /* defines in-memory test cdf structure */
#include "add.h" /* functions to update in-memory netcdf */
#include "val.h"
#include "error.h"
#include "tests.h"
#include "emalloc.h"
#undef max
#define max(A, B) ((A) > (B) ? (A) : (B))
/*
* For every variable in open netcdf, puts and gets three hypercubes
* of data of the appropriate type, comparing values from get to
* values put to check that both ncvarput and ncvarget worked. The
* three hypercubes are
* - a large hypercube from (0, 0, ...) to the far corner (diagonally
* opposite (0, 0, ...),
* - a size 1 hypercube from the far corner with edge lengths of 1
* in every direction, and
* - a hypercube starting about 1/3 of the way along the diagonal
* from (0,0,...) extending 1/3 of the way in every direction
* toward the far corner.
*/
int
test_varputget(cdfid)
int cdfid; /* handle of netcdf open and in data mode */
{
int nerrs = 0;
static char pname[] = "test_varputget";
int id, ie, iv; /* loop indices */
int ne = 3; /* number of test hypercubes for each var */
struct cdfhc { /* a hypercube with generic values */
long cor[MAX_NC_DIMS]; /* netcdf coordinates for lower corner */
long edg[MAX_NC_DIMS]; /* netcdf edge lengths to upper corner */
void *vals; /* pointer to block of values */
} hc[3], tmp; /* test hypercubes */
int nel[3]; /* number of elements in hypercube */
for (iv = 0; iv < test.nvars; iv++) { /* for each var in netcdf */
for (ie = 0; ie < ne; ie++)
nel[ie] = 1; /* to compute space for hypercube values */
for (id = 0; id < test.vars[iv].ndims; id++) { /* set cubes */
/* max dimension size, 5 for records */
int dsize = (int)test.dims[test.vars[iv].dims[id]].size;
if (dsize == NC_UNLIMITED)
dsize = 5;
/* start at "lower-left" corner, do whole variable */
hc[0].cor[id] = 0;
hc[0].edg[id] = dsize;
nel[0] *= hc[0].edg[id];
/* start at "upper-right" corner, do one point */
hc[1].cor[id] = dsize - 1;
hc[1].edg[id] = 1;
nel[1] *= hc[1].edg[id];
/* start about 1/3 way along diagonal, do 1/3 in each direction */
hc[2].cor[id] = dsize/3;
hc[2].edg[id] = max (dsize/3, 1);
nel[2] *= hc[2].edg[id];
}
for (ie = 0; ie < ne; ie++) { /* for each of ne points */
/* allocate space for the cube of values */
hc[ie].vals = emalloc(nel[ie]*nctypelen(test.vars[iv].type) + 8);
tmp.vals = emalloc(nel[ie]*nctypelen(test.vars[iv].type) + 8);
/* fill allocated space with different values of right type */
val_fill(test.vars[iv].type, nel[ie], hc[ie].vals);
if(ncvarput (cdfid, iv, hc[ie].cor, hc[ie].edg, hc[ie].vals)
== -1) {
error("%s: ncvarput failed for point %d, variable %s",
pname, ie, test.vars[iv].name);
nerrs++;
errvar(&test, &test.vars[iv]);
(void)fprintf(stderr," corner = (");
for (id = 0 ; id < test.vars[iv].ndims; id++)
(void)fprintf(stderr,"%ld%s",(long)hc[ie].cor[id],
(id < test.vars[iv].ndims-1) ? ", " : "");
(void)fprintf(stderr,")\n");
(void)fprintf(stderr," edge = (");
for (id = 0 ; id < test.vars[iv].ndims; id++)
(void)fprintf(stderr,"%ld%s",(long)hc[ie].edg[id],
(id < test.vars[iv].ndims-1) ? ", " : "");
(void)fprintf(stderr,")\n");
}
else {
add_data(&test, iv, hc[ie].cor, hc[ie].edg); /* keep test in sync */
if(ncvarget (cdfid, iv, hc[ie].cor, hc[ie].edg, tmp.vals)
== -1) {
error("%s: ncvarget failed for point %d, variable %s",
pname, ie, test.vars[iv].name);
nerrs++;
}
else {
if (val_cmp(test.vars[iv].type, nel[ie],
hc[ie].vals, tmp.vals) != 0) {
error("%s: bad values returned from ncvarget",
pname);
nerrs++;
errvar(&test, &test.vars[iv]); /* describe var */
}
}
}
free (hc[ie].vals);
free (tmp.vals);
}
}
return nerrs;
}