summaryrefslogtreecommitdiffstats
path: root/tools/lib/h5diff_dset.c
blob: 15a87692ffe1e3264c7042077c2e30e132878da8 (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
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have     *
 * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include "h5diff.h"
#include "H5private.h" 
#include <assert.h>



/*-------------------------------------------------------------------------
 * Function: diff_dataset
 *
 * Purpose: check for comparable datasets and read into a compatible 
 *  memory type
 *
 * Return: Number of differences found
 *
 * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
 *
 * Date: May 9, 2003
 *
 * Comments:
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
int diff_dataset( hid_t file1_id, 
                  hid_t file2_id, 
                  const char *obj1_name, 
                  const char *obj2_name, 
                  diff_opt_t options )
{
 hid_t        dset1_id  =-1;
 hid_t        dset2_id  =-1;
 hid_t        space1_id =-1;
 hid_t        space2_id =-1;
 hid_t        f_type1=-1, f_type2=-1; /* file data type */ 
 hid_t        m_type1=-1, m_type2=-1; /* memory data type */
 size_t       m_size1, m_size2;       /* size of type in memory */
 H5T_sign_t   sign1, sign2;           /* sign of type */
 int          rank1, rank2; 
 void         *buf1=NULL, *buf2=NULL;
 hsize_t      tot_cnt1, tot_cnt2;
 hsize_t      dims1[32], dims2[32];
 hsize_t      maxdim1[32], maxdim2[32];
 H5T_class_t  tclass1;
 H5T_class_t  tclass2;
 int          nfound=0;               /* number of differences found */
 const char   *name1=NULL;            /* relative names */
 const char   *name2=NULL;
 int          maxdim_diff=0;          /* maximum dimensions are different */
 int          dim_diff=0;             /* current dimensions are different */
 int          can1, can2;             /* supported diff */
 int          i;


 /* disable error reporting */
 H5E_BEGIN_TRY {

/*-------------------------------------------------------------------------
 * open the handles
 *-------------------------------------------------------------------------
 */

 /* Open the datasets */
 if ( (dset1_id = H5Dopen(file1_id,obj1_name)) < 0 )
 {
  printf("Cannot open dataset <%s>\n", obj1_name );
  goto out;
 }
 if ( (dset2_id = H5Dopen(file2_id,obj2_name)) < 0 )
 {
  printf("Cannot open dataset <%s>\n", obj2_name );
  goto out;
 }
 /* enable error reporting */
 } H5E_END_TRY;

  /* Get the dataspace handle */
 if ( (space1_id = H5Dget_space(dset1_id)) < 0 )
  goto out;

 /* Get rank */
 if ( (rank1 = H5Sget_simple_extent_ndims(space1_id)) < 0 )
  goto out;

 /* Get the dataspace handle */
 if ( (space2_id = H5Dget_space(dset2_id)) < 0 )
  goto out;

 /* Get rank */
 if ( (rank2 = H5Sget_simple_extent_ndims(space2_id)) < 0 )
  goto out;

 /* Get dimensions */
 if ( H5Sget_simple_extent_dims(space1_id,dims1,maxdim1) < 0 )
  goto out;

 /* Get dimensions */
 if ( H5Sget_simple_extent_dims(space2_id,dims2,maxdim2) < 0 )
  goto out;

/*-------------------------------------------------------------------------
 * Get the file data type 
 *-------------------------------------------------------------------------
 */

 /* Get the data type */
 if ( (f_type1 = H5Dget_type(dset1_id)) < 0 )
  goto out;

 /* Get the data type */
 if ( (f_type2 = H5Dget_type(dset2_id)) < 0 )
  goto out;


/*-------------------------------------------------------------------------
 * check for the same class 
 *-------------------------------------------------------------------------
 */

 if ((tclass1=H5Tget_class(f_type1))<0) 
  goto out;

 if ((tclass2=H5Tget_class(f_type2))<0) 
  goto out;

 if ( tclass1 != tclass2 )
 {
  printf("Comparison not supported\n");
  printf("<%s> is of class %s and <%s> is of class %s\n", 
   obj1_name, get_class(tclass1), 
   obj2_name, get_class(tclass2) );
  goto out;
 }

/*-------------------------------------------------------------------------
 * check for non supported classes
 *-------------------------------------------------------------------------
 */

 assert(tclass1==tclass2);
 switch (tclass1) 
 {
 case H5T_TIME:
 case H5T_STRING:
 case H5T_BITFIELD:
 case H5T_OPAQUE:
 case H5T_COMPOUND:
 case H5T_REFERENCE:
 case H5T_ENUM:
 case H5T_VLEN:
 case H5T_ARRAY:
  printf("Comparison not supported\n");
  printf("<%s> is of class %s and <%s> is of class %s\n", 
   obj1_name, get_class(tclass1), 
   obj2_name, get_class(tclass2) );
  goto out;
 default:
  break;
 }

/*-------------------------------------------------------------------------
 * check for the same rank
 *-------------------------------------------------------------------------
 */
 
 if ( rank1 != rank2 )
 {
  printf("Comparison not supported\n");
  printf("<%s> has rank %d, dimensions ", obj1_name, rank1);
  print_dims(rank1,dims1);
  printf(", max dimensions ");
  print_dims(rank1,maxdim1);
  printf("\n" );
  printf("<%s> has rank %d, dimensions ", obj2_name, rank2);
  print_dims(rank2,dims2);
  printf(", max dimensions ");
  print_dims(rank2,maxdim2);
  goto out;
 }

/*-------------------------------------------------------------------------
 * check for different dimensions
 *-------------------------------------------------------------------------
 */
 
 assert(rank1==rank2);
 for ( i=0; i<rank1; i++) 
 {
  if ( maxdim1[i] != maxdim2[i] )
   maxdim_diff=1;
  if ( dims1[i] != dims2[i] )
   dim_diff=1;
 }

/*-------------------------------------------------------------------------
 * current dimensions
 *-------------------------------------------------------------------------
 */

 if (dim_diff==1)
 {
  printf("Comparison not supported\n");
  printf("<%s> has rank %d, dimensions ", obj1_name, rank1);
  print_dims(rank1,dims1);
  printf(", max dimensions ");
  print_dims(rank1,maxdim1);
  printf("\n" );
  printf("<%s> has rank %d, dimensions ", obj2_name, rank2);
  print_dims(rank2,dims2);
  printf(", max dimensions ");
  print_dims(rank2,maxdim2);
  goto out;
 }

/*-------------------------------------------------------------------------
 * maximum dimensions; just give a warning
 *-------------------------------------------------------------------------
 */
 if (maxdim_diff==1)
 {
  printf( "Warning: Different maximum dimensions\n");
  printf("<%s> has max dimensions ", obj1_name);
  print_dims(rank1,maxdim1);
  printf("\n");
  printf("<%s> has max dimensions ", obj2_name);
  print_dims(rank2,maxdim2);
  printf("\n");
 }
  
/*-------------------------------------------------------------------------
 * get number of elements
 *-------------------------------------------------------------------------
 */

 tot_cnt1 = 1;
 for (i = 0; i < rank1; i++) 
 {
  tot_cnt1 *= dims1[i];
 }
 
 tot_cnt2 = 1;
 for (i = 0; i < rank2; i++) 
 {
  tot_cnt2 *= dims2[i];
 }

 assert(tot_cnt1==tot_cnt2);

/*-------------------------------------------------------------------------
 * check for equal file datatype; warning only
 *-------------------------------------------------------------------------
 */

 if ( (H5Tequal(f_type1, f_type2)==0) ) 
 {
  printf("Warning: Different storage datatype\n");
  printf("<%s> has file datatype ", obj1_name);
  print_type(f_type1);
  printf("\n");
  printf("<%s> has file datatype ", obj2_name);
  print_type(f_type2);
  printf("\n");
 }

/*-------------------------------------------------------------------------
 * memory type and sizes
 *-------------------------------------------------------------------------
 */

 m_type1 = H5Tget_native_type( f_type1 , H5T_DIR_DEFAULT);
 m_type2 = H5Tget_native_type( f_type2 , H5T_DIR_DEFAULT);

 m_size1 = H5Tget_size( m_type1 );
 m_size2 = H5Tget_size( m_type2 );

#if defined (H5DIFF_DEBUG)
 print_sizes(obj1_name,obj2_name,f_type1,f_type2,m_type1,m_type2);
#endif 

/*-------------------------------------------------------------------------
 * check for the comparable types in diff_array
 *-------------------------------------------------------------------------
 */

 can1=diff_can(m_type1);
 can2=diff_can(m_type2);
 if ( can1==0 || can2==0 )
 {
  printf("Comparison not supported\n");
  if ( can1==0 )
   printf("<%s> type is not supported\n", obj1_name);
  if ( can2==0 )
   printf("<%s> type is not supported\n", obj2_name);
  goto out;
 }

/*-------------------------------------------------------------------------
 * check for different signed/unsigned types
 *-------------------------------------------------------------------------
 */

 sign1=H5Tget_sign(m_type1);
 sign2=H5Tget_sign(m_type2);
 if ( sign1 != sign2 )
 {
  printf("Comparison not supported\n");
  printf("<%s> has sign %s\n", obj1_name, get_sign(sign1));
  printf("<%s> has sign %s", obj2_name, get_sign(sign2));
  goto out;
 }


/*-------------------------------------------------------------------------
 * "upgrade" the smaller memory size 
 *-------------------------------------------------------------------------
 */

 if ( m_size1 != m_size2 )
 {
  if ( m_size1 < m_size2 )
  {
   assert( (H5Tclose(m_type1)) >=0);
   m_type1 = H5Tget_native_type( f_type2 , H5T_DIR_DEFAULT);
   m_size1 = H5Tget_size( m_type1 );
  }
  else
  {
   assert( (H5Tclose(m_type2)) >=0);
   m_type2 = H5Tget_native_type( f_type1 , H5T_DIR_DEFAULT);
   m_size2 = H5Tget_size( m_type2 );
  }
#if defined (H5DIFF_DEBUG)
  printf("WARNING: Size was upgraded\n");
  print_sizes(obj1_name,obj2_name,f_type1,f_type2,m_type1,m_type2);
#endif 
 }
 assert(m_size1==m_size2);

 buf1 = (void *) HDmalloc((unsigned) (tot_cnt1*m_size1));
 buf2 = (void *) HDmalloc((unsigned) (tot_cnt2*m_size2));

 if ( buf1 == NULL || buf2 == NULL )
 {
  printf( "cannot read into memory\n" );
  goto out;
 }

/*-------------------------------------------------------------------------
 * read
 *-------------------------------------------------------------------------
 */

 if ( H5Dread(dset1_id,m_type1,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf1) < 0 )
  goto out;

 if ( H5Dread(dset2_id,m_type2,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf2) < 0 )
  goto out;

/*-------------------------------------------------------------------------
 * array compare
 *-------------------------------------------------------------------------
 */
 if (options.verbose)
  printf( "Comparing <%s> with <%s>\n", obj1_name, obj2_name );
 name1=diff_basename(obj1_name);
 name2=diff_basename(obj2_name);
 nfound = diff_array(buf1,buf2,tot_cnt1,rank1,dims1,options,name1,name2,m_type1);
 if (options.verbose)
  printf("%d differences found\n", nfound );

/*-------------------------------------------------------------------------
 * close
 *-------------------------------------------------------------------------
 */

out:

 if ( buf1) HDfree(buf1);
 if ( buf2) HDfree(buf2);
 
 /* Close */
 if ( dset1_id!=-1 )  assert( (H5Dclose(dset1_id)) >=0);
 if ( dset2_id!=-1 )  assert( (H5Dclose(dset2_id)) >=0);
 if ( space1_id!=-1 ) assert( (H5Sclose(space1_id)) >=0);
 if ( space2_id!=-1 ) assert( (H5Sclose(space2_id)) >=0);
 if ( f_type1!=-1 )   assert( (H5Tclose(f_type1)) >=0);
 if ( f_type2!=-1 )   assert( (H5Tclose(f_type2)) >=0);
 if ( m_type1!=-1 )   assert( (H5Tclose(m_type1)) >=0);
 if ( m_type2!=-1 )   assert( (H5Tclose(m_type2)) >=0);
 
 return nfound;

}