/**************************************************************************** * NCSA HDF * * Scientific Data Technologies * * National Center for Supercomputing Applications * * University of Illinois at Urbana-Champaign * * 605 E. Springfield, Champaign IL 61820 * * * * For conditions of distribution and use, see the accompanying * * hdf/COPYING f. * * * ****************************************************************************/ #include "H5DS.h" #include "H5LT.h" #include /* operator functions */ static herr_t verifiy_scale(hid_t dset, unsigned dim, hid_t scale, void *visitor_data); static herr_t read_scale(hid_t dset, unsigned dim, hid_t scale, void *visitor_data); static herr_t match_dim_scale(hid_t did, unsigned dim, hid_t dsid, void *visitor_data); /* prototypes */ static int test_simple(void); static int test_errors(void); #define RANK 2 #define DIM_DATA 12 #define DIM1_SIZE 3 #define DIM2_SIZE 4 /*------------------------------------------------------------------------- * the main program *------------------------------------------------------------------------- */ int main(void) { int nerrors=0; nerrors += test_simple()<0 ?1:0; nerrors += test_errors()<0 ?1:0; if (nerrors) goto error; printf("All dimension scales tests passed.\n"); return 0; error: printf("***** %d DIMENSION SCALES TEST%s FAILED! *****\n",nerrors, 1 == nerrors ? "" : "S"); return 1; } /*------------------------------------------------------------------------- * DS API test * * Functions tested: * * H5DSattach_scale * H5DSdetach_scale * H5DSset_label * H5DSget_label * H5DSset_scale * H5DSget_scale_name * H5DSis_scale * *------------------------------------------------------------------------- */ static int test_simple(void) { hid_t fid; /* file ID */ hid_t did; /* dataset ID */ hid_t dsid; /* DS dataset ID */ hid_t sid; /* space ID */ int rank = RANK; /* rank of data dataset */ int rankds = 1; /* rank of DS dataset */ hsize_t dims[RANK] = {DIM1_SIZE,DIM2_SIZE}; /* size of data dataset */ int buf[DIM_DATA] = {1,2,3,4,5,6,7,8,9,10,11,12}; /* data of data dataset */ hsize_t s1_dim[1] = {DIM1_SIZE}; /* size of DS 1 dataset */ hsize_t s2_dim[1] = {DIM2_SIZE}; /* size of DS 2 dataset */ char sname[30]; /* scale name */ int s1_wbuf[DIM1_SIZE] = {10,20,30}; /* data of DS 1 dataset */ int s2_wbuf[DIM2_SIZE] = {100,200,300,400}; /* data of DS 2 dataset */ char s1_label[16]; /* read label for DS 1 */ char s2_label[16]; /* read label for DS 2 */ unsigned int dim; /* dataset dimension index */ int scale_idx; /* scale index */ int nscales; /* number of scales in DIM */ printf("Testing API functions\n"); /*------------------------------------------------------------------------- * create a file for the test *------------------------------------------------------------------------- */ /* create a file using default properties */ if ((fid=H5Fcreate("test_ds1.h5",H5F_ACC_TRUNC,H5P_DEFAULT,H5P_DEFAULT))<0) goto out; /*------------------------------------------------------------------------- * create 6 datasets: two "data" datasets and 4 dimension scales *------------------------------------------------------------------------- */ /* make a dataset */ if (H5LTmake_dataset_int(fid,"dset_a",rank,dims,buf)<0) goto out; /* make a dataset */ if (H5LTmake_dataset_int(fid,"dset_b",rank,dims,buf)<0) goto out; /* make a DS dataset for the first dimension */ if (H5LTmake_dataset_int(fid,"ds1",rankds,s1_dim,s1_wbuf)<0) goto out; /* make a DS dataset for the second dimension */ if (H5LTmake_dataset_int(fid,"ds2",rankds,s2_dim,s2_wbuf)<0) goto out; /* make a DS dataset with an alternate scale for the 2nd dimension */ if (H5LTmake_dataset_int(fid,"ds21",rankds,s2_dim,s2_wbuf)<0) goto out; /* make a DS dataset with an alternate scale for the 2nd dimension */ if (H5LTmake_dataset_int(fid,"ds22",rankds,s2_dim,s2_wbuf)<0) goto out; /*------------------------------------------------------------------------- * test 1: attach scale *------------------------------------------------------------------------- */ TESTING2("attach scales"); /* get the dataset id for "dset_a" */ if ((did = H5Dopen(fid,"dset_a"))<0) goto out; /*------------------------------------------------------------------------- * attach the "ds1" dimension scale to "dset_a" *------------------------------------------------------------------------- */ /* get the DS dataset id */ if ((dsid = H5Dopen(fid,"ds1"))<0) goto out; /* attach the "ds1" dimension scale to "dset_a" as the 1st dimension */ if (H5DSattach_scale(did,dsid,0)<0) goto out; /* close DS id */ if (H5Dclose(dsid)<0) goto out; /*------------------------------------------------------------------------- * attach the "ds2" dimension scale to "dset_a" *------------------------------------------------------------------------- */ /* get the DS dataset id */ if ((dsid = H5Dopen(fid,"ds2"))<0) goto out; /* attach the "ds2" dimension scale to "dset_a" as the 2nd dimension */ if (H5DSattach_scale(did,dsid,1)<0) goto out; /* close DS id */ if (H5Dclose(dsid)<0) goto out; /*------------------------------------------------------------------------- * attach the "ds21" dimension scale to "dset_a" *------------------------------------------------------------------------- */ /* get the DS dataset id */ if ((dsid = H5Dopen(fid,"ds21"))<0) goto out; /* attach the "ds21" dimension scale to "dset_a" as the 2nd dimension */ if (H5DSattach_scale(did,dsid,1)<0) goto out; /* close DS id */ if (H5Dclose(dsid)<0) goto out; /*------------------------------------------------------------------------- * attach the "ds22" dimension scale to "dset_a" *------------------------------------------------------------------------- */ /* get the DS dataset id */ if ((dsid = H5Dopen(fid,"ds22"))<0) goto out; /* attach the "ds22" dimension scale to "dset_a" as the 2nd dimension */ if (H5DSattach_scale(did,dsid,1)<0) goto out; /* close DS id */ if (H5Dclose(dsid)<0) goto out; /* close dataset ID of "dset_a" */ if (H5Dclose(did)<0) goto out; /*------------------------------------------------------------------------- * attach the "ds1" dimension scale to "dset_b" *------------------------------------------------------------------------- */ /* get the dataset id for "dset_b" */ if ((did = H5Dopen(fid,"dset_b"))<0) goto out; /* get the DS dataset id */ if ((dsid = H5Dopen(fid,"ds1"))<0) goto out; /* attach the "ds1" dimension scale to "dset_b" as the 1st dimension */ if (H5DSattach_scale(did,dsid,0)<0) goto out; /* close DS id */ if (H5Dclose(dsid)<0) goto out; /* close dataset ID of "dset_b" */ if (H5Dclose(did)<0) goto out; /*------------------------------------------------------------------------- * verify if the dimension scales are valid *------------------------------------------------------------------------- */ if ((did = H5Dopen(fid,"ds1"))<0) goto out; if ((H5DSis_scale(did))<=0) goto out; if (H5Dclose(did)) goto out; if ((did = H5Dopen(fid,"ds2"))<0) goto out; if ((H5DSis_scale(did))<=0) goto out; if (H5Dclose(did)) goto out; if ((did = H5Dopen(fid,"ds21"))<0) goto out; if ((H5DSis_scale(did))<=0) goto out; if (H5Dclose(did)) goto out; if ((did = H5Dopen(fid,"ds22"))<0) goto out; if ((H5DSis_scale(did))<=0) goto out; if (H5Dclose(did)) goto out; PASSED(); /*------------------------------------------------------------------------- * test 2: get number of scales *------------------------------------------------------------------------- */ TESTING2("get number of scales"); /*------------------------------------------------------------------------- * verify that "dset_a" has dimension scales *------------------------------------------------------------------------- */ /* get the dataset id for "dset_a" */ if ((did = H5Dopen(fid,"dset_a"))<0) goto out; /* verify that "dset_a" has 1 dimension scale at DIM 0 */ dim=0; if (H5DSget_nscales(did,dim,&nscales)<0) goto out; if (nscales!=1) goto out; /* verify that "dset_a" has 3 dimension scales at DIM 1 */ dim=1; if (H5DSget_nscales(did,dim,&nscales)<0) goto out; if (nscales!=3) goto out; /* close dataset ID of "dset_a" */ if (H5Dclose(did)<0) goto out; /*------------------------------------------------------------------------- * verify if "dset_b" has dimension scales *------------------------------------------------------------------------- */ /* get the dataset id for "dset_b" */ if ((did = H5Dopen(fid,"dset_b"))<0) goto out; /* verify that "dset_b" has 1 dimension scale at DIM 0 */ dim=0; if (H5DSget_nscales(did,dim,&nscales)<0) goto out; if (nscales!=1) goto out; /* verify that "dset_b" has 0 dimension scales at DIM 1 */ dim=1; if (H5DSget_nscales(did,dim,&nscales)<0) goto out; if (nscales!=0) goto out; /* close dataset ID of "dset_b" */ if (H5Dclose(did)<0) goto out; PASSED(); /*------------------------------------------------------------------------- * test 3: detach scales *------------------------------------------------------------------------- */ TESTING2("detach scales "); /*------------------------------------------------------------------------- * create 3 datasets: one "data" dataset and 2 dimension scales *------------------------------------------------------------------------- */ /* make a dataset */ if (H5LTmake_dataset_int(fid,"dset_c",rank,dims,buf)<0) goto out; /* make a DS dataset for the first dimension */ if (H5LTmake_dataset_int(fid,"ds3",rankds,s1_dim,s1_wbuf)<0) goto out; /* make a DS dataset for the second dimension */ if (H5LTmake_dataset_int(fid,"ds4",rankds,s2_dim,s2_wbuf)<0) goto out; /*------------------------------------------------------------------------- * attach "ds3" and "ds4" to "dset_c" *------------------------------------------------------------------------- */ if ((did = H5Dopen(fid,"dset_c"))<0) goto out; if ((dsid = H5Dopen(fid,"ds3"))<0) goto out; if (H5DSattach_scale(did,dsid,0)<0) goto out; if (H5Dclose(dsid)<0) goto out; if ((dsid = H5Dopen(fid,"ds4"))<0) goto out; if (H5DSattach_scale(did,dsid,1)<0) goto out; if (H5Dclose(dsid)<0) goto out; if (H5Dclose(did)<0) goto out; /*------------------------------------------------------------------------- * verify if "dset_c" has dimension scales *------------------------------------------------------------------------- */ if ((did = H5Dopen(fid,"dset_c"))<0) goto out; /* verify that "dset_c" has 1 dimension scale at DIM 0 */ dim=0; if (H5DSget_nscales(did,dim,&nscales)<0) goto out; if (nscales!=1) goto out; /* verify that "dset_c" has 1 dimension scale at DIM 1 */ dim=1; if (H5DSget_nscales(did,dim,&nscales)<0) goto out; if (nscales!=1) goto out; if (H5Dclose(did)<0) goto out; /*------------------------------------------------------------------------- * detach the "ds3" dimension scale to "dset_c" *------------------------------------------------------------------------- */ /* get the dataset id for "dset_c" */ if ((did = H5Dopen(fid,"dset_c"))<0) goto out; /* get the DS dataset id */ if ((dsid = H5Dopen(fid,"ds3"))<0) goto out; /* detach the "ds3" dimension scale to "dset_c" at index 0 */ if (H5DSdetach_scale(did,dsid,0)<0) goto out; /* close DS id */ if (H5Dclose(dsid)<0) goto out; /* close dataset ID of "dset_c" */ if (H5Dclose(did)<0) goto out; /*------------------------------------------------------------------------- * verify that "dset_c" has NOT dimension scales *------------------------------------------------------------------------- */ if ((did = H5Dopen(fid,"dset_c"))<0) goto out; /* verify that "dset_c" has 0 dimension scale at DIM 0 */ dim=0; if (H5DSget_nscales(did,dim,&nscales)<0) goto out; if (nscales!=0) goto out; if (H5Dclose(did)<0) goto out; PASSED(); /*------------------------------------------------------------------------- * test 4: set/get label *------------------------------------------------------------------------- */ TESTING2("set/get label"); if ((did = H5Dopen(fid,"dset_a"))<0) goto out; if (H5DSset_label(did,"DY",0)<0) goto out; if (H5DSset_label(did,"DX",1)<0) goto out; if (H5DSget_label(did,s1_label,0)<0) goto out; if (H5DSget_label(did,s2_label,1)<0) goto out; if (strcmp("DY",s1_label)!=0) goto out; if (strcmp("DX",s2_label)!=0) goto out; if (H5Dclose(did)) goto out; PASSED(); /*------------------------------------------------------------------------- * test 5: set scale/get scale name *------------------------------------------------------------------------- */ TESTING2("set scale/get scale name"); /*------------------------------------------------------------------------- * make a dataset named "ds5" and convert it to a DS dataset *------------------------------------------------------------------------- */ if (H5LTmake_dataset_int(fid,"ds5",rankds,s1_dim,s1_wbuf)<0) goto out; if ((did = H5Dopen(fid,"ds5"))<0) goto out; if (H5DSset_scale(did,"scale 1")<0) goto out; /* verify that "ds5" is a dimension scale dataset */ if ((H5DSis_scale(did))==0) goto out; /*------------------------------------------------------------------------- * get its scale name *------------------------------------------------------------------------- */ if (H5DSget_scale_name(did,sname)<0) goto out; if (H5Dclose(did)) goto out; if (strcmp("scale 1",sname)!=0) goto out; PASSED(); /*------------------------------------------------------------------------- * test 6: test iterate scales with a function verifiy_scale *------------------------------------------------------------------------- */ TESTING2("iterate scales (verify scale)"); /* get the dataset id for "dset_a" */ if ((did = H5Dopen(fid,"dset_a"))<0) goto out; dim = 0; /* iterate trough the 1st dimension of "dset_a" and verify that its DS is valid */ if (H5DSiterate_scales(did,dim,NULL,verifiy_scale,NULL)<0) goto out; /* iterate trough the 2nd dimension of "dset_a" and verify that its DS is valid start at DS index 2 */ dim = 1; scale_idx = 2; if (H5DSiterate_scales(did,dim,&scale_idx,verifiy_scale,NULL)<0) goto out; /* close dataset ID of "dset_a" */ if (H5Dclose(did)<0) goto out; PASSED(); /*------------------------------------------------------------------------- * test 7: test iterate scales with a function read_scale *------------------------------------------------------------------------- */ TESTING2("iterate scales (read scale values)"); /* get the dataset id for "dset_a" */ if ((did = H5Dopen(fid,"dset_a"))<0) goto out; dim = 0; /* iterate trough the 1st dimension of "dset_a" and read the DS */ if (H5DSiterate_scales(did,dim,NULL,read_scale,s1_wbuf)<0) goto out; /* iterate trough the 2nd dimension of "dset_a" and read the DS start at DS index 2 */ dim = 1; scale_idx = 2; if (H5DSiterate_scales(did,dim,&scale_idx,read_scale,s2_wbuf)<0) goto out; /* close dataset ID of "dset_a" */ if (H5Dclose(did)<0) goto out; PASSED(); /*------------------------------------------------------------------------- * test 8: test iterate scales with a function match_dim_scale *------------------------------------------------------------------------- */ TESTING2("iterate scales (verify the scale sizes match)"); /* get the dataset id for "dset_a" */ if ((did = H5Dopen(fid,"dset_a"))<0) goto out; /* get dataset space */ if ((sid = H5Dget_space(did))<0) goto out; /* get rank */ if ((rank=H5Sget_simple_extent_ndims(sid))<0) goto out; /* get dimensions of dataset */ if (H5Sget_simple_extent_dims(sid,dims,NULL)<0) goto out; { int match_size; /* does this scale size matches the dataset DIM size */ int idx=0; /* scale index to start iterating, on return, index where iterator stoped */ /* iterate trough all the dimensions */ for(dim=0; dim<(unsigned)rank; dim++) { if ((match_size=H5DSiterate_scales(did,dim,&idx,match_dim_scale,NULL))<0) goto out; /* "dset_a" was defined with all dimension scales size matching the size of its dimensions */ if (match_size==0) goto out; /* both "ds1" and "ds2" are the on the first index */ if (idx!=0) goto out; } } /* close */ if (H5Dclose(did)<0) goto out; if (H5Sclose(sid)<0) goto out; PASSED(); /*------------------------------------------------------------------------- * test 9: test iterate scales with a function match_dim_scale *------------------------------------------------------------------------- */ TESTING2("iterate scales (verify the scale sizes do not match)"); /*------------------------------------------------------------------------- * create 3 datasets: 1 "data" dataset and dimension scales (some are empty) *------------------------------------------------------------------------- */ if (H5LTmake_dataset_int(fid,"dset_d",rank,dims,buf)<0) goto out; if (H5LTmake_dataset_int(fid,"ds6_1_1",rankds,s1_dim,NULL)<0) goto out; if (H5LTmake_dataset_int(fid,"ds6_1_2",rankds,s1_dim,s1_wbuf)<0) goto out; if (H5LTmake_dataset_int(fid,"ds7_2_1",rankds,s2_dim,NULL)<0) goto out; /*------------------------------------------------------------------------- * attach them *------------------------------------------------------------------------- */ if ((did = H5Dopen(fid,"dset_d"))<0) goto out; if ((dsid = H5Dopen(fid,"ds6_1_1"))<0) goto out; if (H5DSattach_scale(did,dsid,0)<0) goto out; if (H5Dclose(dsid)<0) goto out; if ((dsid = H5Dopen(fid,"ds6_1_2"))<0) goto out; if (H5DSattach_scale(did,dsid,0)<0) goto out; if (H5Dclose(dsid)<0) goto out; if ((dsid = H5Dopen(fid,"ds7_2_1"))<0) goto out; if (H5DSattach_scale(did,dsid,1)<0) goto out; if (H5Dclose(dsid)<0) goto out; if (H5Dclose(did)<0) goto out; /*------------------------------------------------------------------------- * verify match *------------------------------------------------------------------------- */ /* get the dataset id for "dset_d" */ if ((did = H5Dopen(fid,"dset_d"))<0) goto out; /* get dataset space */ if ((sid = H5Dget_space(did))<0) goto out; /* get rank */ if ((rank=H5Sget_simple_extent_ndims(sid))<0) goto out; /* get dimensions of dataset */ if (H5Sget_simple_extent_dims(sid,dims,NULL)<0) goto out; { int match_size; /* does this scale size matches the dataset DIM size */ int idx; /* scale index to start iterating, on return, index where iterator stoped */ /* iterate trough all the dimensions */ for(dim=0; dim<(unsigned)rank; dim++) { /* always start at 1st scale */ idx=0; if ((match_size=H5DSiterate_scales(did,dim,&idx,match_dim_scale,NULL))<0) goto out; /* "dset_d" was defined with : dim 0: 2 scales, first is empty dim 1: 1 scale, empty */ switch(dim) { case 0: /* for DIM 0, we get a valid scale at IDX 1 */ if (match_size!=1 && idx!=1) goto out; break; case 1: /* for DIM 1, we get no valid scales */ if (match_size!=0 && idx!=0) goto out; }/*switch*/ }/*for*/ } /* close */ if (H5Dclose(did)<0) goto out; if (H5Sclose(sid)<0) goto out; PASSED(); /*------------------------------------------------------------------------- * end *------------------------------------------------------------------------- */ /* close */ H5Fclose(fid); return 0; /* error zone, gracefully close */ out: H5E_BEGIN_TRY { H5Dclose(did); H5Fclose(fid); } H5E_END_TRY; H5_FAILED(); return FAIL; } /*------------------------------------------------------------------------- * test error conditions *------------------------------------------------------------------------- */ static int test_errors(void) { hid_t fid; /* file ID */ int rank = RANK; /* rank of data dataset */ int rankds = 1; /* rank of DS dataset */ hsize_t dims[RANK] = {DIM1_SIZE,DIM2_SIZE}; /* size of data dataset */ hsize_t s1_dim[1] = {DIM1_SIZE}; /* size of DS 1 dataset */ hid_t dset; /* dataset ID */ hid_t scale; /* scale ID */ hid_t gid; /* group ID */ hid_t sid; /* space ID */ hid_t sidds; printf("Testing error conditions\n"); /*------------------------------------------------------------------------- * create a file, spaces, dataset and group ids *------------------------------------------------------------------------- */ /* create a file using default properties */ if ((fid=H5Fcreate("test_ds2.h5",H5F_ACC_TRUNC,H5P_DEFAULT,H5P_DEFAULT))<0) goto out; /* create a group */ if ((gid=H5Gcreate(fid,"grp",0))<0) goto out; /* create the data space for the dataset */ if ((sid=H5Screate_simple(rank,dims,NULL))<0) goto out; /* create the data space for the scale */ if ((sidds=H5Screate_simple(rankds,s1_dim,NULL))<0) goto out; /* create a dataset */ if ((dset=H5Dcreate(fid,"dset_1",H5T_NATIVE_INT,sid,H5P_DEFAULT))<0) goto out; /* create a dataset for the scale */ if ((scale=H5Dcreate(fid,"scale_1",H5T_NATIVE_INT,sidds,H5P_DEFAULT))<0) goto out; /*------------------------------------------------------------------------- * attempt to attach a dataset to itself, it should fail *------------------------------------------------------------------------- */ TESTING2("attach a dataset to itself"); if (H5DSattach_scale(dset,dset,0)==SUCCESS) goto out; PASSED(); /*------------------------------------------------------------------------- * attempt to attach a group with a dataset, it should fail *------------------------------------------------------------------------- */ TESTING2("attach a group with a dataset"); if (H5DSattach_scale(gid,scale,0)==SUCCESS) goto out; PASSED(); /*------------------------------------------------------------------------- * attempt to attach a dataset with a group, it should fail *------------------------------------------------------------------------- */ TESTING2("attach a dataset with a group"); if (H5DSattach_scale(dset,gid,0)==SUCCESS) goto out; PASSED(); /*------------------------------------------------------------------------- * end *------------------------------------------------------------------------- */ /* close */ if (H5Dclose(scale)<0) goto out; if (H5Dclose(dset)<0) goto out; if (H5Sclose(sid)<0) goto out; if (H5Sclose(sidds)<0) goto out; if (H5Gclose(gid)<0) goto out; if (H5Fclose(fid)<0) goto out; return 0; /* error zone, gracefully close */ out: H5E_BEGIN_TRY { H5Sclose(sid); H5Sclose(sidds); H5Dclose(dset); H5Dclose(scale); H5Gclose(gid); H5Fclose(fid); } H5E_END_TRY; H5_FAILED(); return FAIL; } /*------------------------------------------------------------------------- * Function: verifiy_scale * * Purpose: example operator function used by H5DSiterate_scales, used * to verify that SCALE_ID refers to a valid DS dataset * * Return: * The return values from an operator are: * Zero causes the iterator to continue, returning zero when all group members have been processed. * Positive causes the iterator to immediately return that positive value, indicating * short-circuit success. The iterator can be restarted at the next group member. * Negative causes the iterator to immediately return that value, indicating failure. * The iterator can be restarted at the next group member. * *------------------------------------------------------------------------- */ static herr_t verifiy_scale(hid_t dset, unsigned dim, hid_t scale_id, void *visitor_data) { /* define a default zero value for return. This will cause the iterator to continue */ int ret = 0; /* unused */ dset=dset; dim=dim; visitor_data=visitor_data; /* define a positive value for return value. This will cause the iterator to immediately return that positive value, indicating short-circuit success */ /* the parameter DS dataset must be a valid DS dataset */ if ((H5DSis_scale(scale_id))==1) { ret = 1; } return ret; } /*------------------------------------------------------------------------- * Function: read_scale * * Purpose: example operator function used by H5DSiterate_scales, used * to read data from DS dataset. compare read and write buffers * * Return: * The return values from an operator are: * Zero causes the iterator to continue, returning zero when all group members have been processed. * Positive causes the iterator to immediately return that positive value, indicating * short-circuit success. The iterator can be restarted at the next group member. * Negative causes the iterator to immediately return that value, indicating failure. * The iterator can be restarted at the next group member * * *------------------------------------------------------------------------- */ static herr_t read_scale(hid_t dset, unsigned dim, hid_t scale_id, void *visitor_data) { int ret = 0; /* define a default zero value for return. This will cause the iterator to continue */ hid_t sid; /* space ID */ hid_t tid; /* file type ID */ hid_t mtid; /* memory type ID */ hssize_t nelmts; /* number of data elements */ char *buf=NULL; /* data buffer */ size_t size; int i; char *data=visitor_data; /* unused */ dset=dset; dim=dim; /* get space */ if ((sid = H5Dget_space(scale_id))<0) goto out; /* get type */ if ((tid = H5Dget_type(scale_id))<0) goto out; /* get size of the DS array */ if ((nelmts = H5Sget_simple_extent_npoints(sid))<0) goto out; /* get type */ if ((mtid=H5Tget_native_type(tid,H5T_DIR_DEFAULT))<0) goto out; /* get type size */ if ((size=H5Tget_size(mtid))==0) goto out; if (nelmts) { buf=(char *) malloc((unsigned)(nelmts*size)); if ( buf==NULL) goto out; if (H5Dread(scale_id,mtid,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf)<0) goto out; for(i=0; i