summaryrefslogtreecommitdiffstats
path: root/fortran/test/tH5O_F03.f90
blob: b7003b3bfe7d6dc8b9a1256d7128e317dfd5c4e0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
!****h* root/fortran/test/tH5O_F03.f90
!
! NAME
!  tH5O_F03.f90
!
! FUNCTION
!  Test FORTRAN HDF5 H5O APIs which are dependent on FORTRAN 2003
!  features. 
!
! COPYRIGHT
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!   Copyright by The HDF Group.                                               *
!   Copyright by the Board of Trustees of the University of Illinois.         *
!   All rights reserved.                                                      *
!                                                                             *
!   This file is part of HDF5.  The full HDF5 copyright notice, including     *
!   terms governing use, modification, and redistribution, is contained in    *
!   the files COPYING and Copyright.html.  COPYING can be found at the root   *
!   of the source code distribution tree; Copyright.html can be found at the  *
!   root level of an installed copy of the electronic HDF5 document set and   *
!   is linked from the top-level documents page.  It can also be found at     *
!   http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
!   access to either file, you may request a copy from help@hdfgroup.org.     *
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!
!*****

! *****************************************
! ***        H 5 O   T E S T S
! *****************************************
MODULE visit_cb

  USE HDF5 
  USE ISO_C_BINDING
  
  IMPLICIT NONE

  INTEGER, PARAMETER :: info_size = 9

  !-------------------------------------------------------------------------
  ! Function:    visit_obj_cb
  !
  ! Purpose:     Callback routine for visiting objects in a file
  !
  ! Return:      Success:        0
  !              Failure:        -1
  !
  ! Programmer:  M.S. Breitenfeld
  !              July 12, 2012
  !              Adopted from C test.
  !
  !-------------------------------------------------------------------------
  !
  ! Object visit structs
  TYPE, bind(c) :: obj_visit_t
     CHARACTER(LEN=1), DIMENSION(1:180) :: path   ! Path to object
     INTEGER :: type_obj ! type of object
  END TYPE obj_visit_t

  TYPE, bind(c) :: ovisit_ud_t
     INTEGER :: idx              ! Index in object visit structure
     TYPE(obj_visit_t), DIMENSION(1:info_size) :: info   ! Pointer to the object visit structure to use
  END TYPE ovisit_ud_t

CONTAINS

  INTEGER FUNCTION visit_obj_cb( group_id, name, oinfo, op_data) bind(C)

    IMPLICIT NONE

    INTEGER(HID_T), VALUE :: group_id
    CHARACTER(LEN=1), DIMENSION(1:180) :: name
    TYPE(h5o_info_t) :: oinfo
    TYPE(ovisit_ud_t) :: op_data

    INTEGER :: len, i
    INTEGER :: idx

    visit_obj_cb = 0

    ! Since the name is generated in C and passed to a Fortran string, it
    ! will be NULL terminated, so we need to find the end of the string.

    len = 1
    DO len = 1, 180
       IF(name(len) .EQ. C_NULL_CHAR) EXIT
    ENDDO

    len = len - 1

    ! Check for correct object information

    idx = op_data%idx

    DO i = 1, len
       IF(op_data%info(idx)%path(i)(1:1) .NE. name(i)(1:1))THEN
          visit_obj_cb = -1
          RETURN
       ENDIF
       
       IF(op_data%info(idx)%type_obj .NE. oinfo%type)THEN
          visit_obj_cb = -1
          RETURN
       ENDIF

    ENDDO

    ! Advance to next location in expected output
    op_data%idx = op_data%idx + 1

  END FUNCTION visit_obj_cb

END MODULE visit_cb


MODULE TH5O_F03

CONTAINS
!/****************************************************************
!**
!**  test_h5o_refcount(): Test H5O refcounting functions.
!**
!****************************************************************/

SUBROUTINE test_h5o_refcount(total_error)

  USE HDF5 
  USE TH5_MISC
  USE ISO_C_BINDING
  IMPLICIT NONE

  INTEGER, INTENT(INOUT) :: total_error

  CHARACTER(LEN=11), PARAMETER :: FILENAME = "th5o_ref.h5"
  INTEGER, PARAMETER :: DIM0 = 5
  INTEGER, PARAMETER :: DIM1 = 10
  INTEGER(hid_t) :: fid ! HDF5 File ID
  INTEGER(hid_t) :: grp, dset, dtype, dspace ! Object identifiers
  TYPE(h5o_info_t) :: oinfo                  ! Object info struct
  INTEGER(hsize_t), DIMENSION(1:2) :: dims
  INTEGER :: error                           ! Value returned from API calls

  ! Create a new HDF5 file
  CALL h5fcreate_f(FILENAME,H5F_ACC_TRUNC_F,fid,error)
  CALL check("h5fcreate_f", error, total_error) 

  ! Create a group, dataset, and committed datatype within the file
  ! Create the group
  CALL h5gcreate_f(fid, "group", grp, error)
  CALL check("h5gcreate_f",error, total_error)

  ! Commit the type inside the group
  CALL h5tcopy_f(H5T_NATIVE_INTEGER, dtype, error)
  CALL check("H5Tcopy_f",error, total_error)
  CALL h5tcommit_f(fid, "datatype", dtype, error)
  CALL check("h5tcommit_f", error, total_error)

  ! Create the data space for the dataset.
  dims(1) = DIM0
  dims(2) = DIM1

  CALL h5screate_simple_f(2, dims, dspace, error)
  CALL check("h5screate_simple_f", error, total_error)

  ! Create the dataset.
  CALL h5dcreate_f(fid, "dataset", H5T_NATIVE_INTEGER, dspace, dset, error)
  CALL check("h5dcreate_f", error, total_error)
  CALL h5sclose_f(dspace, error)
  CALL check("h5sclose_f", error, total_error)

  ! Get ref counts for each object.  They should all be 1, since each object has a hard link.
  CALL h5oget_info_by_name_f(fid, "group", oinfo, error)
  CALL check("h5oget_info_by_name_f", error, total_error)
  IF(oinfo%rc.NE.1)THEN
     CALL check("h5oget_info_by_name_f", -1, total_error)
  ENDIF
  CALL h5oget_info_by_name_f(fid, "datatype", oinfo, error)
  CALL check("h5oget_info_by_name_f", error, total_error)
  IF(oinfo%rc.NE.1)THEN
     CALL check("h5oget_info_by_name_f", -1, total_error)
  ENDIF
  CALL h5oget_info_by_name_f(fid, "dataset", oinfo, error)
  CALL check("h5oget_info_by_name_f", error, total_error)
  IF(oinfo%rc.NE.1)THEN
     CALL check("h5oget_info_by_name_f", -1, total_error)
  ENDIF

  ! Check h5oget_info
  CALL h5oget_info_f(grp, oinfo, error)
  CALL check("h5oget_info_f", error, total_error)
  IF(oinfo%rc.NE.1)THEN
     CALL check("h5oget_info_f", -1, total_error)
  ENDIF
  IF(oinfo%type.NE.H5O_TYPE_GROUP_F)THEN
     CALL check("h5oget_info_f", -1, total_error)
  ENDIF

  ! Increment each object's reference count.
  CALL h5oincr_refcount_f(grp, error)
  CALL check("h5oincr_refcount_f", error, total_error)
  CALL h5oincr_refcount_f(dtype, error)
  CALL check("h5oincr_refcount_f", error, total_error)
  CALL h5oincr_refcount_f(dset, error)
  CALL check("h5oincr_refcount_f", error, total_error)

  ! Get ref counts for each object.  They should all be 2 now.
  CALL h5oget_info_by_name_f(fid, "group", oinfo, error)
  CALL check("h5oget_info_by_name_f", error, total_error)
  IF(oinfo%rc.NE.2)THEN
     CALL check("h5oget_info_by_name_f", -1, total_error)
  ENDIF
  CALL h5oget_info_by_name_f(fid, "datatype", oinfo, error)
  CALL check("h5oget_info_by_name_f", error, total_error)
  IF(oinfo%rc.NE.2)THEN
     CALL check("h5oget_info_by_name_f", -1, total_error)
  ENDIF
  CALL h5oget_info_by_name_f(fid, "dataset", oinfo, error)
  CALL check("h5oget_info_by_name_f", error, total_error)
  IF(oinfo%rc.NE.2)THEN
     CALL check("h5oget_info_by_name_f", -1, total_error)
  ENDIF

  ! Decrement the reference counts and check that they decrease back to 1.
  CALL h5odecr_refcount_f(grp, error)
  CALL check("h5oincr_refcount_f", error, total_error)
  CALL h5odecr_refcount_f(dtype, error)
  CALL check("h5oincr_refcount_f", error, total_error)
  CALL h5odecr_refcount_f(dset, error)
  CALL check("h5oincr_refcount_f", error, total_error)

  CALL h5oget_info_by_name_f(fid, "group", oinfo, error)
  CALL check("h5oget_info_by_name_f", error, total_error)
  IF(oinfo%rc.NE.1)THEN
     CALL check("h5oget_info_by_name_f", -1, total_error)
  ENDIF
  CALL h5oget_info_by_name_f(fid, "datatype", oinfo, error)
  CALL check("h5oget_info_by_name_f", error, total_error)
  IF(oinfo%rc.NE.1)THEN
     CALL check("h5oget_info_by_name_f", -1, total_error)
  ENDIF
  CALL h5oget_info_by_name_f(fid, "dataset", oinfo, error)
  CALL check("h5oget_info_by_name_f", error, total_error)
  IF(oinfo%rc.NE.1)THEN
     CALL check("h5oget_info_by_name_f", -1, total_error)
  ENDIF

  CALL h5gclose_f(grp, error)
  CALL check("h5gclose_f",error, total_error)
  CALL h5tclose_f(dtype, error)
  CALL check("h5tclose_f",error, total_error)
  CALL h5dclose_f(dset, error)
  CALL check("h5dclose_f",error, total_error)
  CALL h5fclose_f(fid, error)
  CALL check("h5fclose_f",error, total_error)

END SUBROUTINE test_h5o_refcount

!****************************************************************
!**
!**  test_h5o_refcount(): Test H5O visit functions.
!**
!****************************************************************

SUBROUTINE obj_visit(total_error)

  USE HDF5
  USE TH5_MISC

  USE visit_cb
  USE ISO_C_BINDING
  IMPLICIT NONE

  INTEGER, INTENT(INOUT) :: total_error

  TYPE(ovisit_ud_t), TARGET :: udata ! User-data for visiting
  INTEGER(hid_t) :: fid = -1
  TYPE(C_PTR) :: f_ptr
  TYPE(C_FUNPTR) :: fun_ptr
  CHARACTER(LEN=180) :: object_name
  INTEGER :: ret_val
  INTEGER :: error

  ! Construct "interesting" file to visit
  CALL build_visit_file(fid)

  ! Inialize udata for testing purposes
  udata%info(1)%path(1:1) ="."
  udata%info(1)%type_obj = H5O_TYPE_GROUP_F
  udata%info(2)%path(1:12) = &
       (/"D","a","t","a","s","e","t","_","z","e","r","o"/)
  udata%info(2)%type_obj =H5O_TYPE_DATASET_F
  udata%info(3)%path(1:6) = &
       (/"G","r","o","u","p","1"/)
  udata%info(3)%type_obj = H5O_TYPE_GROUP_F
  udata%info(4)%path(1:18) =&
       (/"G","r","o","u","p","1","/","D","a","t","a","s","e","t","_","o","n","e"/)
  udata%info(4)%type_obj = H5O_TYPE_DATASET_F
  udata%info(5)%path(1:13) =&
       (/"G","r","o","u","p","1","/","G","r","o","u","p","2"/)
  udata%info(5)%type_obj = H5O_TYPE_GROUP_F
  udata%info(6)%path(1:25) =&
       (/"G","r","o","u","p","1","/","G","r","o","u","p","2","/","D","a","t","a","s","e","t","_","t","w","o"/)
  udata%info(6)%type_obj = H5O_TYPE_DATASET_F
  udata%info(7)%path(1:22) =&
       (/"G","r","o","u","p","1","/","G","r","o","u","p","2","/","T","y","p","e","_","t","w","o"/)
  udata%info(7)%type_obj = H5O_TYPE_NAMED_DATATYPE_F
  udata%info(8)%path(1:15) =&
       (/"G","r","o","u","p","1","/","T","y","p","e","_","o","n","e"/)
  udata%info(8)%type_obj = H5O_TYPE_NAMED_DATATYPE_F
  udata%info(9)%path(1:9) =&
       (/"T","y","p","e","_","z","e","r","o"/)
  udata%info(9)%type_obj = H5O_TYPE_NAMED_DATATYPE_F

  ! Visit all the objects reachable from the root group (with file ID)
  udata%idx = 1

  fun_ptr = C_FUNLOC(visit_obj_cb)
  f_ptr = C_LOC(udata)

  ! Test h5ovisit_f
  CALL h5ovisit_f(fid, H5_INDEX_NAME_F, H5_ITER_INC_F, fun_ptr, f_ptr, ret_val, error)
  CALL check("h5ovisit_f", error, total_error)
  IF(ret_val.LT.0)THEN
     CALL check("h5ovisit_f", -1, total_error)
  ENDIF

  ! Test h5ovisit_by_name_f

  object_name = "/"
  udata%idx = 1

  CALL h5ovisit_by_name_f(fid, object_name, H5_INDEX_NAME_F, H5_ITER_INC_F, fun_ptr, f_ptr, ret_val, error)
  CALL check("h5ovisit_by_name_f", error, total_error)
  IF(ret_val.LT.0)THEN
     CALL check("h5ovisit_by_name_f", -1, total_error)
  ENDIF

  CALL h5fclose_f(fid, error)
  CALL check("h5fclose_f",error, total_error)

END SUBROUTINE obj_visit

!****************************************************************
!**
!**  test_h5o_refcount(): Test H5O info functions.
!**
!****************************************************************

SUBROUTINE obj_info(total_error)

  USE HDF5
  USE TH5_MISC
  USE ISO_C_BINDING
  IMPLICIT NONE

  INTEGER, INTENT(INOUT) :: total_error

  INTEGER(hid_t) :: fid = -1             ! File ID 
  INTEGER(hid_t) :: gid = -1, gid2 = -1  ! Group IDs 
  INTEGER(hid_t) :: did                  ! Dataset ID 
  INTEGER(hid_t) :: sid                  ! Dataspace ID 
  TYPE(hobj_ref_t_f), TARGET :: wref     ! Reference to write 
  TYPE(hobj_ref_t_f), TARGET :: rref     ! Reference to read
  TYPE(H5O_info_t) :: oinfo              ! Object info struct 
  INTEGER :: error
  TYPE(C_PTR) :: f_ptr

  CHARACTER(LEN=6) :: GROUPNAME   =    "/group"
  CHARACTER(LEN=6) :: GROUPNAME2  =    "group2"
  CHARACTER(LEN=6) :: GROUPNAME3  =    "group3"
  CHARACTER(LEN=5) :: DSETNAME    =    "/dset"
  CHARACTER(LEN=5) :: DSETNAME2   =    "dset2"

  ! Create file with a group and a dataset containing an object reference to the group
  CALL h5fcreate_f("get_info.h5", H5F_ACC_TRUNC_F, fid, error)
  CALL check("h5fcreate_f",error, total_error)

  ! Create dataspace to use for dataset
  CALL h5screate_f(H5S_SCALAR_F, sid, error)
  CALL check("h5screate_f",error,total_error)

  ! Create group to refer to
  CALL h5gcreate_f(fid,  GROUPNAME, gid, error)
  CALL check("h5gcreate_f",error,total_error)

  ! Create nested groups 
  CALL h5gcreate_f(gid,  GROUPNAME2, gid2, error)
  CALL check("h5gcreate_f",error,total_error)
  CALL h5gclose_f(gid2, error)
  CALL check("h5gclose_f",error,total_error)

  CALL h5gcreate_f(gid,  GROUPNAME3, gid2, error)
  CALL check("h5gcreate_f",error,total_error)
  CALL h5gclose_f(gid2, error)
  CALL check("h5gclose_f",error,total_error)

  ! Create bottom dataset
  CALL h5dcreate_f(gid, DSETNAME2, H5T_NATIVE_INTEGER, sid, did, error)
  CALL check("h5dcreate_f",error, total_error)

  CALL h5dclose_f(did, error)
  CALL check("h5dclose_f", error, total_error)

  CALL h5gclose_f(gid, error)
  CALL check("h5gclose_f",error,total_error)

  ! Create dataset
  CALL h5dcreate_f(fid, DSETNAME, H5T_STD_REF_OBJ, sid, did, error)
  CALL check("h5dcreate_f",error, total_error)

  f_ptr = C_LOC(wref)

  ! Create reference to group
  CALL h5rcreate_f(fid, GROUPNAME, H5R_OBJECT_F, f_ptr, error)
  CALL check("h5rcreate_f",error, total_error)

  ! Write reference to disk
  CALL h5dwrite_f(did, H5T_STD_REF_OBJ, f_ptr, error)
  CALL check("h5dwrite_f",error, total_error)

  ! Close objects 
  CALL h5dclose_f(did, error)
  CALL check("h5dclose_f", error, total_error)
  CALL h5sclose_f(sid, error)
  CALL check("h5sclose_f", error, total_error)
  CALL h5fclose_f(fid, error)
  CALL check("h5fclose_f", error, total_error)

  ! Re-open file
  CALL h5fopen_f("get_info.h5", H5F_ACC_RDWR_F, fid, error)
  CALL check("h5fopen_f", error, total_error)

  ! Re-open dataset
  CALL h5dopen_f(fid, DSETNAME, did, error)
  CALL check("h5dopen_f", error, total_error)

  ! Read in the reference

  f_ptr = C_LOC(rref)

  CALL h5dread_f(did, H5T_STD_REF_OBJ, f_ptr, error)
  CALL check("H5Dread_f",error, total_error)

  ! Dereference to get the group

  CALL h5rdereference_f(did, H5R_OBJECT_F, f_ptr, gid, error)
  CALL check("h5rdereference_f", error, total_error)

  CALL h5oget_info_by_idx_f(gid, ".", H5_INDEX_NAME_F, H5_ITER_INC_F, 0_hsize_t, oinfo, error)
  CALL check("h5oget_info_by_idx_f", error, total_error)

  IF(oinfo%rc.NE.1)THEN
     CALL check("h5oget_info_by_idx_f", -1, total_error)
  ENDIF

  IF(oinfo%type.NE.H5O_TYPE_DATASET_F)THEN
     CALL check("h5oget_info_by_idx_f", -1, total_error)
  ENDIF

  ! Close objects
  CALL h5dclose_f(did, error)
  CALL check("h5dclose_f", error, total_error)
  CALL h5gclose_f(gid, error)
  CALL check("h5sclose_f", error, total_error)
  CALL h5fclose_f(fid, error)
  CALL check("h5fclose_f", error, total_error)

END SUBROUTINE obj_info

!-------------------------------------------------------------------------
! Function:    build_visit_file
!
! Purpose:     Build an "interesting" file to use for visiting links & objects
!
! Programmer:  M. Scot Breitenfeld
!              July 12, 2012
!              NOTE: Adapted from C test.
!
!-------------------------------------------------------------------------
!

SUBROUTINE build_visit_file(fid)

  USE HDF5
  USE TH5_MISC
  IMPLICIT NONE

  INTEGER(hid_t) :: fid                  ! File ID 
  INTEGER(hid_t) :: gid = -1, gid2 = -1     ! Group IDs
  INTEGER(hid_t) :: sid = -1              ! Dataspace ID
  INTEGER(hid_t) :: did = -1              ! Dataset ID
  INTEGER(hid_t) :: tid = -1              ! Datatype ID
  CHARACTER(LEN=20) :: filename = 'visit.h5'
  INTEGER :: error
  
  ! Create file for visiting
  CALL H5Fcreate_f(filename, H5F_ACC_TRUNC_F, fid, error)

  ! Create group
  CALL H5Gcreate_f(fid, "/Group1", gid, error)

  ! Create nested group
  CALL H5Gcreate_f(gid, "Group2", gid2, error)

  ! Close groups
  CALL h5gclose_f(gid2, error)
  CALL h5gclose_f(gid, error)

  ! Create soft links to groups created
  CALL H5Lcreate_soft_f("/Group1", fid, "/soft_one", error)
  CALL H5Lcreate_soft_f("/Group1/Group2", fid, "/soft_two", error)

  ! Create dangling soft link
  CALL H5Lcreate_soft_f("nowhere", fid, "/soft_dangle", error)

  ! Create hard links to all groups
  CALL H5Lcreate_hard_f(fid, "/", fid, "hard_zero", error)
  CALL H5Lcreate_hard_f(fid, "/Group1", fid, "hard_one", error)
  CALL H5Lcreate_hard_f(fid, "/Group1/Group2", fid, "hard_two", error)

  ! Create loops w/hard links
  CALL H5Lcreate_hard_f(fid, "/Group1", fid, "/Group1/hard_one", error)
  CALL H5Lcreate_hard_f(fid, "/", fid, "/Group1/Group2/hard_zero", error)

  ! Create dataset in each group
  CALL H5Screate_f(H5S_SCALAR_F, sid, error)

  CALL H5Dcreate_f(fid, "/Dataset_zero", H5T_NATIVE_INTEGER, sid, did, error)
  CALL H5Dclose_f(did, error)

  CALL H5Dcreate_f(fid, "/Group1/Dataset_one", H5T_NATIVE_INTEGER, sid, did, error)
  CALL H5Dclose_f(did, error)

  CALL H5Dcreate_f(fid, "/Group1/Group2/Dataset_two", H5T_NATIVE_INTEGER, sid, did, error)
  CALL H5Dclose_f(did, error)

  CALL H5Sclose_f(sid, error)

  ! Create named datatype in each group
  CALL H5Tcopy_f(H5T_NATIVE_INTEGER, tid, error)

  CALL H5Tcommit_f(fid, "/Type_zero", tid, error)
  CALL H5Tclose_f(tid, error)

  CALL H5Tcopy_f(H5T_NATIVE_INTEGER, tid, error)
  CALL H5Tcommit_f(fid, "/Group1/Type_one", tid, error)
  CALL H5Tclose_f(tid, error)

  CALL H5Tcopy_f(H5T_NATIVE_INTEGER, tid, error)
  CALL H5Tcommit_f(fid, "/Group1/Group2/Type_two", tid, error)
  CALL H5Tclose_f(tid, error)

END SUBROUTINE build_visit_file

END MODULE TH5O_F03