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https://github.com/Unidata/netcdf-c/issues/1168 https://github.com/Unidata/netcdf-c/issues/1163 https://github.com/Unidata/netcdf-c/issues/1162 This PR partially fixes memory leaks in the netcdf-c library, in the ncdump utility, and in some test cases. The netcdf-c library now runs memory clean with the assumption that the --disable-utilities option is used. The primary remaining problem is ncgen. Once that is fixed, I believe the netcdf-c library will run memory clean with no limitations. Notes ----------- 1. Memory checking was performed using gcc -fsanitize=address. Valgrind-based testing has yet to be performed. 2. The pnetcdf, hdf4, and examples code has not been tested. Misc. Non-leak changes 1. Make tst_diskless2 only run when netcdf4 is enabled (issue 1162) 2. Fix CmakeLists.txt to turn off logging if ENABLE_NETCDF_4 is OFF 3. Isolated all my debug scripts into a single top-level directory called debug 4. Fix some USE_NETCDF4 dependencies in nc_test and nc_test4 Makefile.am
260 lines
6.4 KiB
C
260 lines
6.4 KiB
C
/* varm_test */
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/* acm 9/15/09 */
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/* ansley.b.manke@noaa.gov */
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/* test nc_get_varm_float with calls similar to Ferret calls */
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/* local file is correct results with stride: every second value */
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/* remote url; incorrect results with stride
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linked with:
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cc varm_test.c -g -o varm_test /home/nstout/ansley/local/lib/libnetcdf.a -L/usr/lib64 -lc -lm -lcurl
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netcdf.a from the daily snapshot
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netcdf-4.1-beta2-snapshot2009091100
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TODO: Note that this test uses thredds server
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*/
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/* This particular test seems to occasionally expose a server error*/
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#include <config.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "netcdf.h"
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#include "ncdispatch.h"
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#include "nctestserver.h"
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#undef STANDALONE
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#undef DEBUG
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#define TESTPATH "/dodsC/testdods/coads_climatology.nc"
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#define VAR "SST"
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static float expected_stride1[12] = {
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29.430857,
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29.403780,
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29.325428,
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29.578333,
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29.660833,
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29.378437,
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29.151943,
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29.109715,
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29.114864,
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29.550285,
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29.542500,
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29.500286
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};
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static float expected_stride2[6] = {
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29.430857,
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29.325428,
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29.660833,
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29.151943,
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29.114864,
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29.542500
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};
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static float expected_stride3[3] = {
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29.430857,
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29.378437,
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29.542500
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};
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void
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check(int status, char* file, int line)
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{
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if(status == 0) return;
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fprintf(stderr,"error: %s at %s:%d\n",nc_strerror(status),file,line);
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exit(1);
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}
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int
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main()
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{
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int ncid;
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int varid;
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int i,fail;
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int err;
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size_t start[5], count[5];
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ptrdiff_t stride[5], imap[5];
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int idim;
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float dat[20];
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char url[4096];
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char* svc;
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#ifdef STANDALONE
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int ndim;
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#endif
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#ifdef DEBUG
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oc_loginit();
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oc_setlogging(1);
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oc_logopen(NULL);
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#endif
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/* Find Test Server */
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svc = nc_findtestserver("thredds",0,REMOTETESTSERVERS);
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if(svc == NULL) {
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fprintf(stderr,"Cannot locate test server\n");
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exit(0);
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}
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strncpy(url,svc,sizeof(url));
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strlcat(url,TESTPATH,sizeof(url));
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printf("*** Test: varm on URL: %s\n",url);
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free(svc);
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check(err = nc_open(url, NC_NOWRITE, &ncid),__FILE__,__LINE__);
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check(err = nc_inq_varid(ncid, VAR, &varid),__FILE__,__LINE__);
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for (idim=0; idim<4; idim++) {
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start[idim] = 0;
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count[idim] = 1;
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stride[idim] = 1;
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imap[idim] = 1;
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}
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#ifdef STANDALONE
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ndim=3;
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#endif
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printf("*** Testing: stride case 1\n");
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start[1] = 44;
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start[2] = 66;
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count[0] = 12;
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#ifdef STANDALONE
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printf("start = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)start[i]);
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printf("\n");
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printf("count = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)count[i]);
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printf("\n");
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printf("stride = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)stride[i]);
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printf("\n");
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printf("map = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)imap[i]);
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printf("\n");
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err = nc_get_vars_float (ncid, varid, start, count, stride,
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(float*) dat);
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printf("vars: %s =",VAR);
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for(i=0;i<12;i++) printf(" %f",dat[i]);
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printf("\n");
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#endif
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check(err = nc_get_varm_float (ncid, varid, start, count, stride, imap,(float*) dat),__FILE__,__LINE__);
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/* check(err = nc_get_vara_float (ncid, varid, start, count, (float*) dat),__FILE__,__LINE__); */
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#ifdef STANDALONE
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printf("varm: %s =",VAR);
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for(i=0;i<12;i++) printf(" %f",dat[i]);
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printf("\n");
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#endif
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fail=0;
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for(i=0;i<12;i++) {
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float delta = (dat[i] - expected_stride1[i]);
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if(delta > 0.0005 || delta < -0.0005) {
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fprintf(stderr,"*** Failure: unexpected value: delta=%g dat[%d]=%g expected[%d]=%g\n",
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delta, i, dat[i], i, expected_stride1[i]);
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fail = 1;
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}
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}
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printf("*** %s: stride case 1\n",(fail?"Fail":"Pass"));
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printf("*** Testing: stride case 2\n");
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/* case with strides #1 where len % stride == 0 */
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start[1] = 44;
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start[2] = 66;
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count[0] = 6;
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stride[0] = 2;
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#ifdef STANDALONE
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printf("start = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)start[i]);
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printf("\n");
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printf("count = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)count[i]);
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printf("\n");
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printf("stride = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)stride[i]);
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printf("\n");
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printf("map = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)imap[i]);
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printf("\n");
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check(err = nc_get_vars_float(ncid, varid, start, count, stride,
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(float*) dat),__FILE__,__LINE__);
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printf("strided.vars: %s =",VAR);
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for(i=0;i<6;i++) printf(" %f",dat[i]);
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printf("\n");
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#endif
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check(err = nc_get_varm_float(ncid, varid, start, count, stride, imap,
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(float*) dat),__FILE__,__LINE__);
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#ifdef STANDALONE
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printf("strided.varm: %s =",VAR);
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for(i=0;i<6;i++) printf(" %f",dat[i]);
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printf("\n");
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#endif
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fail=0;
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for(i=0;i<6;i++) {
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float delta = (dat[i] - expected_stride2[i]);
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if(delta > 0.0005 || delta < -0.0005) {
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fprintf(stderr,"*** Failure: unexpected value: delta=%g dat[%d]=%g expected[%d]=%g\n",
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delta, i, dat[i], i, expected_stride2[i]);
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fail=1;
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}
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}
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printf("*** %s: stride case 2\n",(fail?"Fail":"Pass"));
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/* case with strides #2: len % stride != 0 */
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printf("*** Testing: stride case 3\n");
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start[1] = 44;
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start[2] = 66;
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count[0] = 3;
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stride[0] = 5;
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#ifdef STANDALONE
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printf("start = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)start[i]);
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printf("\n");
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printf("count = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)count[i]);
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printf("\n");
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printf("stride = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)stride[i]);
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printf("\n");
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printf("map = ");
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for(i=0;i<ndim;i++) printf(" %d",(int)imap[i]);
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printf("\n");
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check(err = nc_get_vars_float(ncid, varid, start, count, stride,
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(float*) dat),__FILE__,__LINE__);
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printf("strided.vars: %s =",VAR);
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for(i=0;i<3;i++) printf(" %f",dat[i]);
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printf("\n");
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#endif
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check(err = nc_get_varm_float(ncid, varid, start, count, stride, imap,
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(float*) dat),__FILE__,__LINE__);
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#ifdef STANDALONE
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printf("strided.varm: %s =",VAR);
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for(i=0;i<3;i++) printf(" %f",dat[i]);
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printf("\n");
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#endif
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fail=0;
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for(i=0;i<3;i++) {
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float delta = (dat[i] - expected_stride3[i]);
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if(delta > 0.0005 || delta < -0.0005) {
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fprintf(stderr,"*** Failure: stride case 2: unexpected value: delta=%g dat[%d]=%g expected[%d]=%g\n",
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delta, i, dat[i], i, expected_stride3[i]);
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fail=1;
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}
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}
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printf("*** %s: stride case 3\n",(fail?"Fail":"Pass"));
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nc_close(ncid);
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return fail;
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}
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