This file is indexed.

/usr/include/gap/opers.h is in gap-dev 4r8p6-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
/****************************************************************************
**
*W  opers.h                     GAP source                   Martin Schönert
**
**
*Y  Copyright (C)  1996,  Lehrstuhl D für Mathematik,  RWTH Aachen,  Germany
*Y  (C) 1998 School Math and Comp. Sci., University of St Andrews, Scotland
*Y  Copyright (C) 2002 The GAP Group
**
**  This file declares the functions of the  filters, operations, attributes,
**  and properties package.
*/

#ifndef GAP_OPERS_H
#define GAP_OPERS_H


/****************************************************************************
**

*V  TRY_NEXT_METHOD . . . . . . . . . . . . . . . . . `TRY_NEXT_MESSAGE' flag
*/
extern Obj TRY_NEXT_METHOD;


/****************************************************************************
**

*F  IS_OPERATION( <obj> ) . . . . . . . . . . check if object is an operation
*/
#define IS_OPERATION(func) \
    (TNUM_OBJ(func) == T_FUNCTION && SIZE_OBJ(func) == SIZE_OPER )

/****************************************************************************
**
*F  FLAG1_FILT( <oper> )  . . . . . . . . . .  flag 1 list of an `and' filter
*/
#define FLAG1_FILT(oper)        (*            (ADDR_OBJ(oper) +16     ) )


/****************************************************************************
**
*F  FLAG2_FILT( <oper> )  . . . . . . . . . .  flag 2 list of an `and' filter
*/
#define FLAG2_FILT(oper)        (*            (ADDR_OBJ(oper) +17     ) )


/****************************************************************************
**
*F  FLAGS_FILT( <oper> )  . . . . . . . . . . . . . . . . . flags of a filter
*/
#define FLAGS_FILT(oper)        (*            (ADDR_OBJ(oper) +18     ) )


/****************************************************************************
**
*F  SETTER_FILT( <oper> ) . . . . . . . . . . . . . . . .  setter of a filter
*/
#define SETTR_FILT(oper)        (*            (ADDR_OBJ(oper) +19     ) )


/****************************************************************************
**
*F  TESTR_FILT( <oper> )  . . . . . . . . . . . . . . . .  tester of a filter
*/
#define TESTR_FILT(oper)        (*            (ADDR_OBJ(oper) +20     ) )


/****************************************************************************
**
*F  METHS_OPER( <oper> )  . . . . . . . . . . . . method list of an operation
*/
#define METHS_OPER(oper,i)      (*            (ADDR_OBJ(oper) +21+ (i)) )


/****************************************************************************
**
*F  CACHE_OPER( <oper> )  . . . . . . . . . . . . . . . cache of an operation
*/
#define CACHE_OPER(oper,i)      (*            (ADDR_OBJ(oper) +29+ (i)) )

/****************************************************************************
**
*F  ENABLED_ATTR( <oper> ) . . . . true if the operation is an attribute and
**                                 storing is enabled (default) else false
*/

#define ENABLED_ATTR(oper)                    ((UInt)(ADDR_OBJ(oper)[37])) 

/****************************************************************************
**
*F  SET_ENABLED_ATTR( <oper>, <new> )  . set a new value that records whether 
**                                       storing is enabled for an operation
*/

#define SET_ENABLED_ATTR(oper, new)       ((ADDR_OBJ(oper)[37]) = (Obj)(new)) 

/****************************************************************************
**
*V  SIZE_OPER . . . . . . . . . . . . . . . . . . . . .  size of an operation
*/
#define SIZE_OPER               (38*sizeof(Bag))


/****************************************************************************
**

*F * * * * * * * * * * * * internal flags functions * * * * * * * * * * * * *
*/


/****************************************************************************
**

*F  NEW_FLAGS( <flags>, <size> )  . . . . . . . . . . . . . .  new flags list
*/
#define NEW_FLAGS( flags, size ) \
    ( flags = NewBag( T_FLAGS, SIZE_PLEN_FLAGS(size) ) )


/****************************************************************************
**
*F  SIZE_PLEN_FLAGS( <plen> ) . .  size for a flags list with physical length
*/
#define SIZE_PLEN_FLAGS(plen) \
  (4*sizeof(Obj)+((plen)+BIPEB-1)/BIPEB*sizeof(Obj))



/****************************************************************************
**
*F  TRUES_FLAGS( <flags> )  . . . . . . . . . . list of trues of a flags list
**
**  returns the list of trues of <flags> or 0 if the list is not known yet.
*/
#define TRUES_FLAGS(flags)              (ADDR_OBJ(flags)[0])


/****************************************************************************
**
*F  SET_TRUES_FLAGS( <flags>, <trues> ) . set number of trues of a flags list
*/
#define SET_TRUES_FLAGS(flags,trues)    (ADDR_OBJ(flags)[0] = trues)


/****************************************************************************
**
*F  HASH_FLAGS( <flags> ) . . . . . . . . . . . .  hash value of <flags> or 0
*/
#define HASH_FLAGS(flags)               (ADDR_OBJ(flags)[1])


/****************************************************************************
**
*F  SET_HASH_FLAGS( <flags>, <hash> ) . . . . . . . . . . . . . . .  set hash
*/
#define SET_HASH_FLAGS(flags,hash)      (ADDR_OBJ(flags)[1] = hash)


/****************************************************************************
**
*F  LEN_FLAGS( <flags> )  . . . . . . . . . . . . . .  length of a flags list
*/
#define LEN_FLAGS(list)                 (INT_INTOBJ(ADDR_OBJ(list)[2]))


/****************************************************************************
**
*F  SET_LEN_FLAGS( <flags>, <len> ) . . . . .  set the length of a flags list
*/
#define SET_LEN_FLAGS(flags,len)        (ADDR_OBJ(flags)[2]=INTOBJ_INT(len))


/****************************************************************************
**
*F  AND_CACHE_FLAGS( <flags> )  . . . . . . . . . `and' cache of a flags list
*/
#define AND_CACHE_FLAGS(list)           (ADDR_OBJ(list)[3])


/****************************************************************************
**
*F  SET_AND_CACHE_FLAGS( <flags>, <len> ) set the `and' cache of a flags list
*/
#define SET_AND_CACHE_FLAGS(flags,andc)  (ADDR_OBJ(flags)[3]=(andc))


/****************************************************************************
**
*F  NRB_FLAGS( <flags> )  . . . . . .  number of basic blocks of a flags lits
*/
#define NRB_FLAGS(flags)                ((LEN_FLAGS(flags)+BIPEB-1)/BIPEB)



/****************************************************************************
**
*F  BLOCKS_FLAGS( <flags> ) . . . . . . . . . . . . data area of a flags list
*/
#define BLOCKS_FLAGS(flags)             ((UInt*)(ADDR_OBJ(flags)+4))


/****************************************************************************
**
*F  BLOCK_ELM_FLAGS( <list>, <pos> )  . . . . . . . .  block  of a flags list
**
**  'BLOCK_ELM_FLAGS' return the block containing the <pos>-th element of the
**  flags list <list> as a UInt value, which is also a  valid left hand side.
**  <pos>  must be a positive  integer  less than or  equal  to the length of
**  <list>.
**
**  Note that 'BLOCK_ELM_FLAGS' is a macro, so do not call it  with arguments
**  that have side effects.
*/
#define BLOCK_ELM_FLAGS(list, pos)      (BLOCKS_FLAGS(list)[((pos)-1)/BIPEB])


/****************************************************************************
**
*F  MASK_POS_FLAGS( <pos> ) . . .  . .  bit mask for position of a flags list
**
**  MASK_POS_FLAGS(<pos>) returns  a UInt with a  single set  bit in position
**  (pos-1) % BIPEB, useful for accessing the pos'th element of a FLAGS
**
**  Note that 'MASK_POS_FLAGS'  is a macro, so  do not call it with arguments
**  that have side effects.
*/
#define MASK_POS_FLAGS(pos)             (((UInt) 1)<<((pos)-1)%BIPEB)


/****************************************************************************
**
*F  ELM_FLAGS( <list>, <pos> )  . . . . . . . . . . . element of a flags list
**
**  'ELM_FLAGS' return the <pos>-th element of the flags list <list>, which
**  is either 'true' or 'false'.  <pos> must  be a positive integer less than
**  or equal to the length of <hdList>.
**
**  Note that 'ELM_FLAGS' is a macro, so do not call it  with arguments  that
**  have side effects.
*/
#define ELM_FLAGS(list,pos) \
  ((BLOCK_ELM_FLAGS(list,pos) & MASK_POS_FLAGS(pos)) ?  True : False)


/****************************************************************************
**
*F  SET_ELM_FLAGS( <list>, <pos>, <val> ) . .  set an element of a flags list
**
**  'SET_ELM_FLAGS' sets  the element at position <pos>   in the flags list
**  <list> to the value <val>.  <pos> must be a positive integer less than or
**  equal to the length of <hdList>.  <val> must be either 'true' or 'false'.
**
**  Note that  'SET_ELM_FLAGS' is  a macro, so do not  call it with arguments
**  that have side effects.
*/
#define SET_ELM_FLAGS(list,pos,val)  \
 ((val) == True ? \
  (BLOCK_ELM_FLAGS(list, pos) |= MASK_POS_FLAGS(pos)) : \
  (BLOCK_ELM_FLAGS(list, pos) &= ~MASK_POS_FLAGS(pos)))

/****************************************************************************
**
*F  FuncIS_SUBSET_FLAGS( <self>, <flags1>, <flags2> ) . . . . . . subset test
*/

extern Obj FuncIS_SUBSET_FLAGS( Obj self, Obj flags1, Obj flags2 );
     
/****************************************************************************
**

*F * * * * * * * * * * *  internal filter functions * * * * * * * * * * * * *
*/


/****************************************************************************
**

*V  CountFlags  . . . . . . . . . . . . . . . . . . . . next free flag number
*/
extern Int CountFlags;


/****************************************************************************
**
*V  SET_FILTER_OBJ  . . . . . . . . . . . .  library function to set a filter
*/
extern Obj SET_FILTER_OBJ;


/****************************************************************************
**
*V  RESET_FILTER_OBJ  . . . . . . . . . .  library function to reset a filter
*/
extern Obj RESET_FILTER_OBJ;



/****************************************************************************
**

*F  SetterFilter( <oper> )  . . . . . . . . . . . . . . .  setter of a filter
*/
extern Obj SetterFilter (
    Obj                 oper );


/****************************************************************************
**
*F  SetterAndFilter( <getter> )  . . . . . .  setter of a concatenated filter
*/
extern Obj DoSetAndFilter (
    Obj                 self,
    Obj                 obj,
    Obj                 val );

extern Obj SetterAndFilter (
    Obj                 getter );
        

/****************************************************************************
**
*F  TesterFilter( <oper> )  . . . . . . . . . . . . . . .  tester of a filter
*/
extern Obj TesterFilter (
    Obj                 oper );


/****************************************************************************
**
*F  TestAndFilter( <getter> )  . . . . . . . .tester of a concatenated filter
*/
extern Obj DoTestAndFilter (
    Obj                 self,
    Obj                 obj );

extern Obj TesterAndFilter (
    Obj                 getter );


/****************************************************************************
**
*F  NewFilter( <name>, <narg>, <nams>, <hdlr> )  . . . . .  make a new filter
*/
extern Obj DoTestFilter (
    Obj                 self,
    Obj                 obj );

extern Obj NewTesterFilter (
    Obj                 getter );

extern Obj DoSetFilter (
    Obj                 self,
    Obj                 obj,
    Obj                 val );

extern Obj NewSetterFilter (
    Obj                 getter );

extern Obj DoFilter (
    Obj                 self,
    Obj                 obj );

extern Obj NewFilter (
    Obj                 name,
    Int                 narg,
    Obj                 nams,
    ObjFunc             hdlr );


extern Obj DoTestAttribute( Obj self, Obj obj);

/****************************************************************************
**
*F  NewAndFilter( <filt1>, <filt2> ) . . . . . make a new concatenated filter
*/
extern Obj DoAndFilter (
    Obj                 self,
    Obj                 obj );

extern Obj NewAndFilter (
    Obj                 oper1,
    Obj                 oper2 );


/****************************************************************************
**

*V  ReturnTrueFilter . . . . . . . . . . . . . . . . the return 'true' filter
*/
extern Obj ReturnTrueFilter;


/****************************************************************************
**

*F * * * * * * * * * *  internal operation functions  * * * * * * * * * * * *
*/


/****************************************************************************
**

*F  NewOperation( <name> )  . . . . . . . . . . . . . .  make a new operation
*/
extern Obj DoOperation0Args (
            Obj                 oper );

extern Obj DoOperation1Args (
            Obj                 oper,
            Obj                 arg1 );

extern Obj DoOperation2Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2 );

extern Obj DoOperation3Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2,
            Obj                 arg3 );

extern Obj DoOperation4Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2,
            Obj                 arg3,
            Obj                 arg4 );

extern Obj DoOperation5Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2,
            Obj                 arg3,
            Obj                 arg4,
            Obj                 arg5 );

extern Obj DoOperation6Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2,
            Obj                 arg3,
            Obj                 arg4,
            Obj                 arg5,
            Obj                 arg6 );

extern Obj DoOperationXArgs (
            Obj                 self,
            Obj                 args );

extern Obj DoVerboseOperation0Args (
            Obj                 oper );

extern Obj DoVerboseOperation1Args (
            Obj                 oper,
            Obj                 arg1 );

extern Obj DoVerboseOperation2Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2 );

extern Obj DoVerboseOperation3Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2,
            Obj                 arg3 );

extern Obj DoVerboseOperation4Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2,
            Obj                 arg3,
            Obj                 arg4 );

extern Obj DoVerboseOperation5Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2,
            Obj                 arg3,
            Obj                 arg4,
            Obj                 arg5 );

extern Obj DoVerboseOperation6Args (
            Obj                 oper,
            Obj                 arg1,
            Obj                 arg2,
            Obj                 arg3,
            Obj                 arg4,
            Obj                 arg5,
            Obj                 arg6 );

extern Obj DoVerboseOperationXArgs (
            Obj                 self,
            Obj                 args );

extern Obj NewOperation (
            Obj                 name,
            Int                 narg,
            Obj                 nams,
            ObjFunc             hdlr );


/****************************************************************************
**
*F  NewAttribute( <name> )  . . . . . . . . . . . . . .  make a new attribute
*/
extern  Obj DoAttribute (
            Obj                 self,
            Obj                 obj );

extern  Obj DoVerboseAttribute (
            Obj                 self,
            Obj                 obj );

extern  Obj NewAttribute (
            Obj                 name,
            Int                 narg,
            Obj                 nams,
            ObjFunc             hdlr );

/****************************************************************************
**
*F  NewProperty( <name> ) . . . . . . . . . . . . . . . . make a new property
*/
extern Obj DoProperty (
            Obj                 self,
            Obj                 obj );

extern Obj NewProperty (
            Obj                 name,
            Int                 narg,
            Obj                 nams,
            ObjFunc             hdlr );

/****************************************************************************
**

*F  InstallMethodArgs( <oper>, <func> ) . . . . . . . . . . .  clone function
**
**  There is a problem  with uncompleted functions: if  they are  cloned then
**  only   the orignal and not  the  clone will be  completed.  Therefore the
**  clone must postpone the real cloning.
*/
extern void InstallMethodArgs (
    Obj                 oper,
    Obj                 func );


/****************************************************************************
**

*F  ChangeDoOperations( <oper>, <verb> )
*/
extern void ChangeDoOperations (
            Obj                 oper,
            Int                 verb );

/****************************************************************************
**
*F  SaveOperationExtras( <oper> ) . . .  additional savng for functions which
**                                       are operations
**
**  This is called by SaveFunction when the function bag is too large to be
**  a simple function, and so must be an operation
**
*/

extern void SaveOperationExtras( Obj oper );

/****************************************************************************
**
*F  LoadOperationExtras( <oper> ) . .  additional loading for functions which
**                                       are operations
**
**  This is called by LoadFunction when the function bag is too large to be
**  a simple function, and so must be an operation
**
*/

extern void LoadOperationExtras( Obj oper );


/****************************************************************************
**

*F * * * * * * * * * * * * * initialize package * * * * * * * * * * * * * * *
*/


/****************************************************************************
**

*F  InitInfoOpers() . . . . . . . . . . . . . . . . . table of init functions
*/
StructInitInfo * InitInfoOpers ( void );


#endif // GAP_OPERS_H

/****************************************************************************
**

*E  opers.h . . . . . . . . . . . . . . . . . . . . . . . . . . . . ends here
*/