2 * Copyright 2011 Sven Verdoolaege
3 * Copyright 2012-2014 Ecole Normale Superieure
5 * Use of this software is governed by the MIT license
7 * Written by Sven Verdoolaege,
8 * Ecole Normale Superieure, 45 rue d’Ulm, 75230 Paris, France
12 #include <isl_space_private.h>
14 #include <isl_reordering.h>
16 #include <isl_multi_macro.h>
18 #define MULTI_NAME(BASE) "isl_multi_" #BASE
20 isl_ctx
*FN(MULTI(BASE
),get_ctx
)(__isl_keep
MULTI(BASE
) *multi
)
22 return multi
? isl_space_get_ctx(multi
->space
) : NULL
;
25 /* Return the space of "multi".
27 __isl_keep isl_space
*FN(MULTI(BASE
),peek_space
)(__isl_keep
MULTI(BASE
) *multi
)
29 return multi
? multi
->space
: NULL
;
32 __isl_give isl_space
*FN(MULTI(BASE
),get_space
)(__isl_keep
MULTI(BASE
) *multi
)
34 return isl_space_copy(FN(MULTI(BASE
),peek_space
)(multi
));
37 __isl_give isl_space
*FN(MULTI(BASE
),get_domain_space
)(
38 __isl_keep
MULTI(BASE
) *multi
)
40 return multi
? isl_space_domain(isl_space_copy(multi
->space
)) : NULL
;
43 /* Allocate a multi expression living in "space".
45 * If the number of base expressions is zero, then make sure
46 * there is enough room in the structure for the explicit domain,
47 * in case the type supports such an explicit domain.
49 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),alloc
)(__isl_take isl_space
*space
)
55 n
= isl_space_dim(space
, isl_dim_out
);
59 ctx
= isl_space_get_ctx(space
);
61 multi
= isl_calloc(ctx
, MULTI(BASE
),
62 sizeof(MULTI(BASE
)) + (n
- 1) * sizeof(struct EL
*));
64 multi
= isl_calloc(ctx
, MULTI(BASE
), sizeof(MULTI(BASE
)));
71 if (FN(MULTI(BASE
),has_explicit_domain
)(multi
))
72 multi
= FN(MULTI(BASE
),init_explicit_domain
)(multi
);
75 isl_space_free(space
);
79 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),dup
)(__isl_keep
MULTI(BASE
) *multi
)
87 dup
= FN(MULTI(BASE
),alloc
)(isl_space_copy(multi
->space
));
91 for (i
= 0; i
< multi
->n
; ++i
)
92 dup
= FN(FN(MULTI(BASE
),set
),BASE
)(dup
, i
,
93 FN(EL
,copy
)(multi
->u
.p
[i
]));
94 if (FN(MULTI(BASE
),has_explicit_domain
)(multi
))
95 dup
= FN(MULTI(BASE
),copy_explicit_domain
)(dup
, multi
);
100 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),cow
)(__isl_take
MULTI(BASE
) *multi
)
109 return FN(MULTI(BASE
),dup
)(multi
);
112 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),copy
)(__isl_keep
MULTI(BASE
) *multi
)
121 __isl_null
MULTI(BASE
) *FN(MULTI(BASE
),free
)(__isl_take
MULTI(BASE
) *multi
)
128 if (--multi
->ref
> 0)
131 isl_space_free(multi
->space
);
132 for (i
= 0; i
< multi
->n
; ++i
)
133 FN(EL
,free
)(multi
->u
.p
[i
]);
134 if (FN(MULTI(BASE
),has_explicit_domain
)(multi
))
135 FN(MULTI(BASE
),free_explicit_domain
)(multi
);
141 /* Return the space of "multi".
142 * The caller is not allowed to modify "multi" between this call
143 * and the call to *_restore_space because the number
144 * of references needs to stay the same.
145 * The only exception is that isl_multi_*_free can be called instead.
146 * No copy is taken of multi->space if "multi" has only one reference
147 * such that it can be modified inplace if both have only a single reference.
149 __isl_give isl_space
*FN(MULTI(BASE
),take_space
)(__isl_keep
MULTI(BASE
) *multi
)
156 return FN(MULTI(BASE
),get_space
)(multi
);
157 space
= multi
->space
;
162 /* Set the space of "multi" to "space", where the space of "multi"
163 * may be missing due to a preceding call to isl_multi_*_take_space.
164 * However, in this case, "multi" only has a single reference and
165 * then the call to isl_multi_*_cow has no effect.
167 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),restore_space
)(
168 __isl_take
MULTI(BASE
) *multi
, __isl_take isl_space
*space
)
170 if (!multi
|| !space
)
173 if (multi
->space
== space
) {
174 isl_space_free(space
);
178 multi
= FN(MULTI(BASE
),cow
)(multi
);
181 isl_space_free(multi
->space
);
182 multi
->space
= space
;
186 FN(MULTI(BASE
),free
)(multi
);
187 isl_space_free(space
);
191 isl_size
FN(MULTI(BASE
),dim
)(__isl_keep
MULTI(BASE
) *multi
,
192 enum isl_dim_type type
)
194 return isl_space_dim(FN(MULTI(BASE
),peek_space
)(multi
), type
);
197 /* Return the number of base expressions in "multi".
199 isl_size
FN(MULTI(BASE
),size
)(__isl_keep
MULTI(BASE
) *multi
)
201 return multi
? multi
->n
: isl_size_error
;
205 #define TYPE MULTI(BASE)
207 #include "check_type_range_templ.c"
209 /* Return the base expression at position "pos" in "multi".
211 static __isl_give EL
*FN(MULTI(BASE
),peek_at
)(__isl_keep
MULTI(BASE
) *multi
,
214 if (FN(MULTI(BASE
),check_range
)(multi
, isl_dim_out
, pos
, 1) < 0)
216 return multi
->u
.p
[pos
];
219 /* Return a copy of the base expression at position "pos" in "multi".
221 __isl_give EL
*FN(MULTI(BASE
),get_at
)(__isl_keep
MULTI(BASE
) *multi
, int pos
)
223 return FN(EL
,copy
)(FN(MULTI(BASE
),peek_at
)(multi
, pos
));
226 /* This is an alternative name for the function above.
228 __isl_give EL
*FN(FN(MULTI(BASE
),get
),BASE
)(__isl_keep
MULTI(BASE
) *multi
,
231 return FN(MULTI(BASE
),get_at
)(multi
, pos
);
234 /* Return the base expression at position "pos" in "multi".
235 * This may be either a copy or the base expression itself
236 * if there is only one reference to "multi".
237 * This allows the base expression to be modified inplace
238 * if both the multi expression and this base expression
239 * have only a single reference.
240 * The caller is not allowed to modify "multi" between this call and
241 * the subsequent call to isl_multi_*_restore_at_*.
242 * The only exception is that isl_multi_*_free can be called instead.
244 static __isl_give EL
*FN(MULTI(BASE
),take_at
)(__isl_keep
MULTI(BASE
) *multi
,
252 return FN(MULTI(BASE
),get_at
)(multi
, pos
);
253 if (FN(MULTI(BASE
),check_range
)(multi
, isl_dim_out
, pos
, 1) < 0)
255 el
= multi
->u
.p
[pos
];
256 multi
->u
.p
[pos
] = NULL
;
260 /* Set the element at position "pos" of "multi" to "el",
261 * where the position may be empty if "multi" has only a single reference.
263 static __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),restore_at
)(
264 __isl_take
MULTI(BASE
) *multi
, int pos
, __isl_take EL
*el
)
266 if (FN(MULTI(BASE
),check_range
)(multi
, isl_dim_out
, pos
, 1) < 0 || !el
)
269 if (multi
->u
.p
[pos
] == el
) {
274 multi
= FN(MULTI(BASE
),cow
)(multi
);
278 FN(EL
,free
)(multi
->u
.p
[pos
]);
279 multi
->u
.p
[pos
] = el
;
283 FN(MULTI(BASE
),free
)(multi
);
288 /* Set the element at position "pos" of "multi" to "el",
289 * where the position may be empty if "multi" has only a single reference.
290 * However, the space of "multi" is available and is checked
291 * for compatibility with "el".
293 static __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),restore_check_space
)(
294 __isl_take
MULTI(BASE
) *multi
, int pos
, __isl_take EL
*el
)
298 space
= FN(MULTI(BASE
),peek_space
)(multi
);
299 if (FN(EL
,check_match_domain_space
)(el
, space
) < 0)
300 multi
= FN(MULTI(BASE
),free
)(multi
);
301 return FN(MULTI(BASE
),restore_at
)(multi
, pos
, el
);
304 /* Replace the base expression at position "pos" in "multi" with "el".
306 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),set_at
)(
307 __isl_take
MULTI(BASE
) *multi
, int pos
, __isl_take EL
*el
)
309 isl_space
*multi_space
= NULL
;
310 isl_space
*el_space
= NULL
;
313 multi_space
= FN(MULTI(BASE
),get_space
)(multi
);
314 match
= FN(EL
,matching_params
)(el
, multi_space
);
318 multi
= FN(MULTI(BASE
),align_params
)(multi
,
319 FN(EL
,get_space
)(el
));
320 isl_space_free(multi_space
);
321 multi_space
= FN(MULTI(BASE
),get_space
)(multi
);
322 el
= FN(EL
,align_params
)(el
, isl_space_copy(multi_space
));
325 multi
= FN(MULTI(BASE
),restore_check_space
)(multi
, pos
, el
);
327 isl_space_free(multi_space
);
328 isl_space_free(el_space
);
332 FN(MULTI(BASE
),free
)(multi
);
334 isl_space_free(multi_space
);
335 isl_space_free(el_space
);
339 /* This is an alternative name for the function above.
341 __isl_give
MULTI(BASE
) *FN(FN(MULTI(BASE
),set
),BASE
)(
342 __isl_take
MULTI(BASE
) *multi
, int pos
, __isl_take EL
*el
)
344 return FN(MULTI(BASE
),set_at
)(multi
, pos
, el
);
347 /* Return the base expressions of "multi" as a list.
349 __isl_give
LIST(EL
) *FN(MULTI(BASE
),get_list
)(
350 __isl_keep
MULTI(BASE
) *multi
)
356 n
= FN(MULTI(BASE
),size
)(multi
);
359 list
= FN(LIST(EL
),alloc
)(FN(MULTI(BASE
),get_ctx(multi
)), n
);
360 for (i
= 0; i
< n
; ++i
) {
361 EL
*el
= FN(MULTI(BASE
),get_at
)(multi
, i
);
362 list
= FN(LIST(EL
),add
)(list
, el
);
368 /* Reset the space of "multi". This function is called from isl_pw_templ.c
369 * and doesn't know if the space of an element object is represented
370 * directly or through its domain. It therefore passes along both,
371 * which we pass along to the element function since we don't know how
372 * that is represented either.
374 * If "multi" has an explicit domain, then the caller is expected
375 * to make sure that any modification that would change the dimensions
376 * of the explicit domain has bee applied before this function is called.
378 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),reset_space_and_domain
)(
379 __isl_take
MULTI(BASE
) *multi
, __isl_take isl_space
*space
,
380 __isl_take isl_space
*domain
)
385 n
= FN(MULTI(BASE
),size
)(multi
);
386 if (n
< 0 || !space
|| !domain
)
389 for (i
= 0; i
< n
; ++i
) {
392 el
= FN(MULTI(BASE
),take_at
)(multi
, i
);
393 el
= FN(EL
,reset_domain_space
)(el
, isl_space_copy(domain
));
394 multi
= FN(MULTI(BASE
),restore_at
)(multi
, i
, el
);
396 if (FN(MULTI(BASE
),has_explicit_domain
)(multi
))
397 multi
= FN(MULTI(BASE
),reset_explicit_domain_space
)(multi
,
398 isl_space_copy(domain
));
399 isl_space_free(domain
);
401 multi
= FN(MULTI(BASE
),restore_space
)(multi
, space
);
405 isl_space_free(domain
);
406 isl_space_free(space
);
407 FN(MULTI(BASE
),free
)(multi
);
411 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),reset_domain_space
)(
412 __isl_take
MULTI(BASE
) *multi
, __isl_take isl_space
*domain
)
414 isl_space
*space
, *multi_space
;
416 multi_space
= FN(MULTI(BASE
),get_space
)(multi
);
417 space
= isl_space_extend_domain_with_range(isl_space_copy(domain
),
419 return FN(MULTI(BASE
),reset_space_and_domain
)(multi
, space
, domain
);
422 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),reset_space
)(
423 __isl_take
MULTI(BASE
) *multi
, __isl_take isl_space
*space
)
427 domain
= isl_space_domain(isl_space_copy(space
));
428 return FN(MULTI(BASE
),reset_space_and_domain
)(multi
, space
, domain
);
431 /* Reset the user pointer on all identifiers of parameters and tuples
432 * of the space of "multi".
434 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),reset_user
)(
435 __isl_take
MULTI(BASE
) *multi
)
439 space
= FN(MULTI(BASE
),get_space
)(multi
);
440 space
= isl_space_reset_user(space
);
442 return FN(MULTI(BASE
),reset_space
)(multi
, space
);
445 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),realign_domain
)(
446 __isl_take
MULTI(BASE
) *multi
, __isl_take isl_reordering
*exp
)
452 n
= FN(MULTI(BASE
),size
)(multi
);
456 for (i
= 0; i
< n
; ++i
) {
459 el
= FN(MULTI(BASE
),take_at
)(multi
, i
);
460 el
= FN(EL
,realign_domain
)(el
, isl_reordering_copy(exp
));
461 multi
= FN(MULTI(BASE
),restore_at
)(multi
, i
, el
);
464 space
= isl_reordering_get_space(exp
);
465 multi
= FN(MULTI(BASE
),reset_domain_space
)(multi
, space
);
467 isl_reordering_free(exp
);
470 isl_reordering_free(exp
);
471 FN(MULTI(BASE
),free
)(multi
);
475 /* Align the parameters of "multi" to those of "model".
477 * If "multi" has an explicit domain, then align the parameters
478 * of the domain first.
480 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),align_params
)(
481 __isl_take
MULTI(BASE
) *multi
, __isl_take isl_space
*model
)
484 isl_bool equal_params
;
487 if (!multi
|| !model
)
490 equal_params
= isl_space_has_equal_params(multi
->space
, model
);
491 if (equal_params
< 0)
494 isl_space_free(model
);
498 ctx
= isl_space_get_ctx(model
);
499 if (!isl_space_has_named_params(model
))
500 isl_die(ctx
, isl_error_invalid
,
501 "model has unnamed parameters", goto error
);
502 if (!isl_space_has_named_params(multi
->space
))
503 isl_die(ctx
, isl_error_invalid
,
504 "input has unnamed parameters", goto error
);
506 if (FN(MULTI(BASE
),has_explicit_domain
)(multi
)) {
507 multi
= FN(MULTI(BASE
),align_explicit_domain_params
)(multi
,
508 isl_space_copy(model
));
512 exp
= isl_parameter_alignment_reordering(multi
->space
, model
);
513 exp
= isl_reordering_extend_space(exp
,
514 FN(MULTI(BASE
),get_domain_space
)(multi
));
515 multi
= FN(MULTI(BASE
),realign_domain
)(multi
, exp
);
517 isl_space_free(model
);
520 isl_space_free(model
);
521 FN(MULTI(BASE
),free
)(multi
);
525 /* Create a multi expression in the given space with the elements of "list"
526 * as base expressions.
528 * Since isl_multi_*_restore_* assumes that the element and
529 * the multi expression have matching spaces, the alignment
530 * (if any) needs to be performed beforehand.
532 __isl_give
MULTI(BASE
) *FN(FN(MULTI(BASE
),from
),LIST(BASE
))(
533 __isl_take isl_space
*space
, __isl_take
LIST(EL
) *list
)
540 dim
= isl_space_dim(space
, isl_dim_out
);
541 n
= FN(FN(LIST(EL
),n
),BASE
)(list
);
542 if (dim
< 0 || n
< 0)
545 ctx
= isl_space_get_ctx(space
);
547 isl_die(ctx
, isl_error_invalid
,
548 "invalid number of elements in list", goto error
);
550 for (i
= 0; i
< n
; ++i
) {
551 EL
*el
= FN(LIST(EL
),peek
)(list
, i
);
552 space
= isl_space_align_params(space
, FN(EL
,get_space
)(el
));
554 multi
= FN(MULTI(BASE
),alloc
)(isl_space_copy(space
));
555 for (i
= 0; i
< n
; ++i
) {
556 EL
*el
= FN(FN(LIST(EL
),get
),BASE
)(list
, i
);
557 el
= FN(EL
,align_params
)(el
, isl_space_copy(space
));
558 multi
= FN(MULTI(BASE
),restore_check_space
)(multi
, i
, el
);
561 isl_space_free(space
);
562 FN(LIST(EL
),free
)(list
);
565 isl_space_free(space
);
566 FN(LIST(EL
),free
)(list
);
570 /* This function performs the same operation as isl_multi_*_from_*_list,
571 * but is considered as a function on an isl_space when exported.
573 __isl_give
MULTI(BASE
) *FN(isl_space_multi
,BASE
)(__isl_take isl_space
*space
,
574 __isl_take
LIST(EL
) *list
)
576 return FN(FN(MULTI(BASE
),from
),LIST(BASE
))(space
, list
);
579 /* Drop the "n" output dimensions of "multi" starting at "first",
580 * where the space is assumed to have been adjusted already.
582 static __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),drop_output_dims
)(
583 __isl_take
MULTI(BASE
) *multi
, unsigned first
, unsigned n
)
587 multi
= FN(MULTI(BASE
),cow
)(multi
);
591 for (i
= 0; i
< n
; ++i
)
592 FN(EL
,free
)(multi
->u
.p
[first
+ i
]);
593 for (i
= first
; i
+ n
< multi
->n
; ++i
)
594 multi
->u
.p
[i
] = multi
->u
.p
[i
+ n
];
596 if (n
> 0 && FN(MULTI(BASE
),has_explicit_domain
)(multi
))
597 multi
= FN(MULTI(BASE
),init_explicit_domain
)(multi
);
602 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),drop_dims
)(
603 __isl_take
MULTI(BASE
) *multi
,
604 enum isl_dim_type type
, unsigned first
, unsigned n
)
610 if (FN(MULTI(BASE
),check_range
)(multi
, type
, first
, n
) < 0)
611 return FN(MULTI(BASE
),free
)(multi
);
613 space
= FN(MULTI(BASE
),take_space
)(multi
);
614 space
= isl_space_drop_dims(space
, type
, first
, n
);
615 multi
= FN(MULTI(BASE
),restore_space
)(multi
, space
);
617 if (type
== isl_dim_out
)
618 return FN(MULTI(BASE
),drop_output_dims
)(multi
, first
, n
);
620 if (FN(MULTI(BASE
),has_explicit_domain
)(multi
))
621 multi
= FN(MULTI(BASE
),drop_explicit_domain_dims
)(multi
,
624 size
= FN(MULTI(BASE
),size
)(multi
);
626 return FN(MULTI(BASE
),free
)(multi
);
627 for (i
= 0; i
< size
; ++i
) {
630 el
= FN(MULTI(BASE
),take_at
)(multi
, i
);
631 el
= FN(EL
,drop_dims
)(el
, type
, first
, n
);
632 multi
= FN(MULTI(BASE
),restore_at
)(multi
, i
, el
);
639 #define TYPE MULTI(BASE)
641 #include "isl_check_named_params_templ.c"
643 #include "isl_align_params_bin_templ.c"
645 /* Given two MULTI(BASE)s A -> B and C -> D,
646 * construct a MULTI(BASE) (A * C) -> [B -> D].
648 * If "multi1" and/or "multi2" has an explicit domain, then
649 * intersect the domain of the result with these explicit domains.
651 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),range_product
)(
652 __isl_take
MULTI(BASE
) *multi1
, __isl_take
MULTI(BASE
) *multi2
)
660 FN(MULTI(BASE
),align_params_bin
)(&multi1
, &multi2
);
661 n1
= FN(MULTI(BASE
),size
)(multi1
);
662 n2
= FN(MULTI(BASE
),size
)(multi2
);
663 if (n1
< 0 || n2
< 0)
666 space
= isl_space_range_product(FN(MULTI(BASE
),get_space
)(multi1
),
667 FN(MULTI(BASE
),get_space
)(multi2
));
668 res
= FN(MULTI(BASE
),alloc
)(space
);
670 for (i
= 0; i
< n1
; ++i
) {
671 el
= FN(FN(MULTI(BASE
),get
),BASE
)(multi1
, i
);
672 res
= FN(FN(MULTI(BASE
),set
),BASE
)(res
, i
, el
);
675 for (i
= 0; i
< n2
; ++i
) {
676 el
= FN(FN(MULTI(BASE
),get
),BASE
)(multi2
, i
);
677 res
= FN(FN(MULTI(BASE
),set
),BASE
)(res
, n1
+ i
, el
);
680 if (FN(MULTI(BASE
),has_explicit_domain
)(multi1
))
681 res
= FN(MULTI(BASE
),intersect_explicit_domain
)(res
, multi1
);
682 if (FN(MULTI(BASE
),has_explicit_domain
)(multi2
))
683 res
= FN(MULTI(BASE
),intersect_explicit_domain
)(res
, multi2
);
685 FN(MULTI(BASE
),free
)(multi1
);
686 FN(MULTI(BASE
),free
)(multi2
);
689 FN(MULTI(BASE
),free
)(multi1
);
690 FN(MULTI(BASE
),free
)(multi2
);
694 /* Is the range of "multi" a wrapped relation?
696 isl_bool
FN(MULTI(BASE
),range_is_wrapping
)(__isl_keep
MULTI(BASE
) *multi
)
699 return isl_bool_error
;
700 return isl_space_range_is_wrapping(multi
->space
);
703 /* Given a function A -> [B -> C], extract the function A -> B.
705 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),range_factor_domain
)(
706 __isl_take
MULTI(BASE
) *multi
)
709 isl_size total
, keep
;
711 total
= FN(MULTI(BASE
),dim
)(multi
, isl_dim_out
);
713 return FN(MULTI(BASE
),free
)(multi
);
714 if (!isl_space_range_is_wrapping(multi
->space
))
715 isl_die(FN(MULTI(BASE
),get_ctx
)(multi
), isl_error_invalid
,
716 "range is not a product",
717 return FN(MULTI(BASE
),free
)(multi
));
719 space
= FN(MULTI(BASE
),get_space
)(multi
);
720 space
= isl_space_range_factor_domain(space
);
721 keep
= isl_space_dim(space
, isl_dim_out
);
723 multi
= FN(MULTI(BASE
),free
)(multi
);
724 multi
= FN(MULTI(BASE
),drop_dims
)(multi
,
725 isl_dim_out
, keep
, total
- keep
);
726 multi
= FN(MULTI(BASE
),reset_space
)(multi
, space
);
731 /* Given a function A -> [B -> C], extract the function A -> C.
733 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),range_factor_range
)(
734 __isl_take
MULTI(BASE
) *multi
)
737 isl_size total
, keep
;
739 total
= FN(MULTI(BASE
),dim
)(multi
, isl_dim_out
);
741 return FN(MULTI(BASE
),free
)(multi
);
742 if (!isl_space_range_is_wrapping(multi
->space
))
743 isl_die(FN(MULTI(BASE
),get_ctx
)(multi
), isl_error_invalid
,
744 "range is not a product",
745 return FN(MULTI(BASE
),free
)(multi
));
747 space
= FN(MULTI(BASE
),get_space
)(multi
);
748 space
= isl_space_range_factor_range(space
);
749 keep
= isl_space_dim(space
, isl_dim_out
);
751 multi
= FN(MULTI(BASE
),free
)(multi
);
752 multi
= FN(MULTI(BASE
),drop_dims
)(multi
, isl_dim_out
, 0, total
- keep
);
753 multi
= FN(MULTI(BASE
),reset_space
)(multi
, space
);
758 /* Given a function [B -> C], extract the function C.
760 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),factor_range
)(
761 __isl_take
MULTI(BASE
) *multi
)
764 isl_size total
, keep
;
766 total
= FN(MULTI(BASE
),dim
)(multi
, isl_dim_set
);
768 return FN(MULTI(BASE
),free
)(multi
);
769 if (!isl_space_is_wrapping(multi
->space
))
770 isl_die(FN(MULTI(BASE
),get_ctx
)(multi
), isl_error_invalid
,
771 "not a product", return FN(MULTI(BASE
),free
)(multi
));
773 space
= FN(MULTI(BASE
),get_space
)(multi
);
774 space
= isl_space_factor_range(space
);
775 keep
= isl_space_dim(space
, isl_dim_set
);
777 multi
= FN(MULTI(BASE
),free
)(multi
);
778 multi
= FN(MULTI(BASE
),drop_dims
)(multi
, isl_dim_set
, 0, total
- keep
);
779 multi
= FN(MULTI(BASE
),reset_space
)(multi
, space
);
784 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),flatten_range
)(
785 __isl_take
MULTI(BASE
) *multi
)
789 space
= FN(MULTI(BASE
),take_space
)(multi
);
790 space
= isl_space_flatten_range(space
);
791 multi
= FN(MULTI(BASE
),restore_space
)(multi
, space
);
796 /* Given two MULTI(BASE)s A -> B and C -> D,
797 * construct a MULTI(BASE) (A * C) -> (B, D).
799 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),flat_range_product
)(
800 __isl_take
MULTI(BASE
) *multi1
, __isl_take
MULTI(BASE
) *multi2
)
804 multi
= FN(MULTI(BASE
),range_product
)(multi1
, multi2
);
805 multi
= FN(MULTI(BASE
),flatten_range
)(multi
);
809 /* Given two multi expressions, "multi1"
813 * where B2 starts at position "pos", and "multi2"
817 * return the multi expression
821 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),range_splice
)(
822 __isl_take
MULTI(BASE
) *multi1
, unsigned pos
,
823 __isl_take
MULTI(BASE
) *multi2
)
828 dim
= FN(MULTI(BASE
),size
)(multi1
);
829 if (dim
< 0 || !multi2
)
832 if (FN(MULTI(BASE
),check_range
)(multi1
, isl_dim_out
, pos
, 0) < 0)
835 res
= FN(MULTI(BASE
),copy
)(multi1
);
836 res
= FN(MULTI(BASE
),drop_dims
)(res
, isl_dim_out
, pos
, dim
- pos
);
837 multi1
= FN(MULTI(BASE
),drop_dims
)(multi1
, isl_dim_out
, 0, pos
);
839 res
= FN(MULTI(BASE
),flat_range_product
)(res
, multi2
);
840 res
= FN(MULTI(BASE
),flat_range_product
)(res
, multi1
);
844 FN(MULTI(BASE
),free
)(multi1
);
845 FN(MULTI(BASE
),free
)(multi2
);
850 #define TYPE MULTI(BASE)
853 #include "isl_type_has_equal_space_bin_templ.c"
855 #include "isl_type_check_equal_space_templ.c"
857 /* This function is currently only used from isl_aff.c
859 static __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),bin_op
)(
860 __isl_take
MULTI(BASE
) *multi1
, __isl_take
MULTI(BASE
) *multi2
,
861 __isl_give EL
*(*fn
)(__isl_take EL
*, __isl_take EL
*))
862 __attribute__ ((unused
));
864 /* Pairwise perform "fn" to the elements of "multi1" and "multi2" and
867 * If "multi2" has an explicit domain, then
868 * intersect the domain of the result with this explicit domain.
870 static __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),bin_op
)(
871 __isl_take
MULTI(BASE
) *multi1
, __isl_take
MULTI(BASE
) *multi2
,
872 __isl_give EL
*(*fn
)(__isl_take EL
*, __isl_take EL
*))
877 FN(MULTI(BASE
),align_params_bin
)(&multi1
, &multi2
);
878 n
= FN(MULTI(BASE
),size
)(multi1
);
879 if (n
< 0 || FN(MULTI(BASE
),check_equal_space
)(multi1
, multi2
) < 0)
882 for (i
= 0; i
< n
; ++i
) {
885 el2
= FN(MULTI(BASE
),get_at
)(multi2
, i
);
886 el1
= FN(MULTI(BASE
),take_at
)(multi1
, i
);
888 multi1
= FN(MULTI(BASE
),restore_at
)(multi1
, i
, el1
);
891 if (FN(MULTI(BASE
),has_explicit_domain
)(multi2
))
892 multi1
= FN(MULTI(BASE
),intersect_explicit_domain
)(multi1
,
895 FN(MULTI(BASE
),free
)(multi2
);
898 FN(MULTI(BASE
),free
)(multi1
);
899 FN(MULTI(BASE
),free
)(multi2
);
903 /* Only used on some multi-expressions.
905 static isl_bool
FN(MULTI(BASE
),any
)(__isl_keep
MULTI(BASE
) *multi
,
906 isl_bool (*test
)(__isl_keep EL
*)) __attribute__ ((unused
));
908 /* Does "test" succeed on any base expression of "multi"?
910 static isl_bool
FN(MULTI(BASE
),any
)(__isl_keep
MULTI(BASE
) *multi
,
911 isl_bool (*test
)(__isl_keep EL
*))
916 n
= FN(MULTI(BASE
),size
)(multi
);
918 return isl_bool_error
;
920 for (i
= 0; i
< n
; ++i
) {
921 isl_bool any
= test(multi
->u
.p
[i
]);
926 return isl_bool_false
;
929 /* Only used on some multi-expressions.
931 static isl_bool
FN(MULTI(BASE
),every
)(__isl_keep
MULTI(BASE
) *multi
,
932 isl_bool (*test
)(__isl_keep EL
*)) __attribute__ ((unused
));
934 /* Does "test" succeed on every base expression of "multi"?
936 static isl_bool
FN(MULTI(BASE
),every
)(__isl_keep
MULTI(BASE
) *multi
,
937 isl_bool (*test
)(__isl_keep EL
*))
942 n
= FN(MULTI(BASE
),size
)(multi
);
944 return isl_bool_error
;
946 for (i
= 0; i
< n
; ++i
) {
947 isl_bool every
= test(multi
->u
.p
[i
]);
948 if (every
< 0 || !every
)
952 return isl_bool_true
;
955 /* Convert a multiple expression defined over a parameter domain
956 * into one that is defined over a zero-dimensional set.
958 __isl_give
MULTI(BASE
) *FN(MULTI(BASE
),from_range
)(
959 __isl_take
MULTI(BASE
) *multi
)
965 if (!isl_space_is_set(multi
->space
))
966 isl_die(FN(MULTI(BASE
),get_ctx
)(multi
), isl_error_invalid
,
967 "not living in a set space",
968 return FN(MULTI(BASE
),free
)(multi
));
970 space
= FN(MULTI(BASE
),get_space
)(multi
);
971 space
= isl_space_from_range(space
);
972 multi
= FN(MULTI(BASE
),reset_space
)(multi
, space
);
977 /* Are "multi1" and "multi2" obviously equal?
979 isl_bool
FN(MULTI(BASE
),plain_is_equal
)(__isl_keep
MULTI(BASE
) *multi1
,
980 __isl_keep
MULTI(BASE
) *multi2
)
985 if (!multi1
|| !multi2
)
986 return isl_bool_error
;
987 if (multi1
->n
!= multi2
->n
)
988 return isl_bool_false
;
989 equal
= isl_space_is_equal(multi1
->space
, multi2
->space
);
990 if (equal
< 0 || !equal
)
993 for (i
= 0; i
< multi1
->n
; ++i
) {
994 equal
= FN(EL
,plain_is_equal
)(multi1
->u
.p
[i
], multi2
->u
.p
[i
]);
995 if (equal
< 0 || !equal
)
999 if (FN(MULTI(BASE
),has_explicit_domain
)(multi1
) ||
1000 FN(MULTI(BASE
),has_explicit_domain
)(multi2
)) {
1001 equal
= FN(MULTI(BASE
),equal_explicit_domain
)(multi1
, multi2
);
1002 if (equal
< 0 || !equal
)
1006 return isl_bool_true
;