2 * Copyright 2011 Sven Verdoolaege
3 * Copyright 2012 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
11 #define xCAT(A,B) A ## B
12 #define CAT(A,B) xCAT(A,B)
14 #define EL CAT(isl_,BASE)
15 #define xFN(TYPE,NAME) TYPE ## _ ## NAME
16 #define FN(TYPE,NAME) xFN(TYPE,NAME)
17 #define xMULTI(BASE) isl_multi_ ## BASE
18 #define MULTI(BASE) xMULTI(BASE)
19 #define MULTI_NAME(BASE) "isl_multi_" #BASE
20 #define xLIST(EL) EL ## _list
21 #define LIST(EL) xLIST(EL)
23 isl_ctx *FN(MULTI(BASE),get_ctx)(__isl_keep MULTI(BASE) *multi)
25 return multi ? isl_space_get_ctx(multi->space) : NULL;
28 __isl_give isl_space *FN(MULTI(BASE),get_space)(__isl_keep MULTI(BASE) *multi)
30 return multi ? isl_space_copy(multi->space) : NULL;
33 __isl_give isl_space *FN(MULTI(BASE),get_domain_space)(
34 __isl_keep MULTI(BASE) *multi)
36 return multi ? isl_space_domain(isl_space_copy(multi->space)) : NULL;
39 __isl_give MULTI(BASE) *FN(MULTI(BASE),alloc)(__isl_take isl_space *space)
48 ctx = isl_space_get_ctx(space);
49 n = isl_space_dim(space, isl_dim_out);
50 multi = isl_calloc(ctx, MULTI(BASE),
51 sizeof(MULTI(BASE)) + (n - 1) * sizeof(struct EL *));
60 isl_space_free(space);
64 __isl_give MULTI(BASE) *FN(MULTI(BASE),dup)(__isl_keep MULTI(BASE) *multi)
72 dup = FN(MULTI(BASE),alloc)(isl_space_copy(multi->space));
76 for (i = 0; i < multi->n; ++i)
77 dup = FN(FN(MULTI(BASE),set),BASE)(dup, i,
78 FN(EL,copy)(multi->p[i]));
83 __isl_give MULTI(BASE) *FN(MULTI(BASE),cow)(__isl_take MULTI(BASE) *multi)
92 return FN(MULTI(BASE),dup)(multi);
95 __isl_give MULTI(BASE) *FN(MULTI(BASE),copy)(__isl_keep MULTI(BASE) *multi)
104 void *FN(MULTI(BASE),free)(__isl_take MULTI(BASE) *multi)
111 if (--multi->ref > 0)
114 isl_space_free(multi->space);
115 for (i = 0; i < multi->n; ++i)
116 FN(EL,free)(multi->p[i]);
122 __isl_give MULTI(BASE) *FN(MULTI(BASE),insert_dims)(
123 __isl_take MULTI(BASE) *multi,
124 enum isl_dim_type type, unsigned first, unsigned n)
130 if (type == isl_dim_out)
131 isl_die(FN(MULTI(BASE),get_ctx)(multi), isl_error_invalid,
132 "cannot insert output/set dimensions",
133 return FN(MULTI(BASE),free)(multi));
134 if (n == 0 && !isl_space_is_named_or_nested(multi->space, type))
137 multi = FN(MULTI(BASE),cow)(multi);
141 multi->space = isl_space_insert_dims(multi->space, type, first, n);
143 return FN(MULTI(BASE),free)(multi);
145 for (i = 0; i < multi->n; ++i) {
146 multi->p[i] = FN(EL,insert_dims)(multi->p[i], type, first, n);
148 return FN(MULTI(BASE),free)(multi);
154 __isl_give MULTI(BASE) *FN(MULTI(BASE),add_dims)(__isl_take MULTI(BASE) *multi,
155 enum isl_dim_type type, unsigned n)
159 pos = FN(MULTI(BASE),dim)(multi, type);
161 return FN(MULTI(BASE),insert_dims)(multi, type, pos, n);
164 unsigned FN(MULTI(BASE),dim)(__isl_keep MULTI(BASE) *multi,
165 enum isl_dim_type type)
167 return multi ? isl_space_dim(multi->space, type) : 0;
170 __isl_give MULTI(BASE) *FN(MULTI(BASE),set_dim_name)(
171 __isl_take MULTI(BASE) *multi,
172 enum isl_dim_type type, unsigned pos, const char *s)
176 multi = FN(MULTI(BASE),cow)(multi);
180 multi->space = isl_space_set_dim_name(multi->space, type, pos, s);
182 return FN(MULTI(BASE),free)(multi);
184 if (type == isl_dim_out)
186 for (i = 0; i < multi->n; ++i) {
187 multi->p[i] = FN(EL,set_dim_name)(multi->p[i], type, pos, s);
189 return FN(MULTI(BASE),free)(multi);
195 const char *FN(MULTI(BASE),get_tuple_name)(__isl_keep MULTI(BASE) *multi,
196 enum isl_dim_type type)
198 return multi ? isl_space_get_tuple_name(multi->space, type) : NULL;
201 __isl_give EL *FN(FN(MULTI(BASE),get),BASE)(__isl_keep MULTI(BASE) *multi,
208 ctx = FN(MULTI(BASE),get_ctx)(multi);
209 if (pos < 0 || pos >= multi->n)
210 isl_die(ctx, isl_error_invalid,
211 "index out of bounds", return NULL);
212 return FN(EL,copy)(multi->p[pos]);
215 __isl_give MULTI(BASE) *FN(FN(MULTI(BASE),set),BASE)(
216 __isl_take MULTI(BASE) *multi, int pos, __isl_take EL *el)
218 isl_space *multi_space = NULL;
219 isl_space *el_space = NULL;
221 multi = FN(MULTI(BASE),cow)(multi);
225 multi_space = FN(MULTI(BASE),get_space)(multi);
226 el_space = FN(EL,get_space)(el);
228 if (!isl_space_match(multi_space, isl_dim_param,
229 el_space, isl_dim_param))
230 isl_die(FN(MULTI(BASE),get_ctx)(multi), isl_error_invalid,
231 "parameters don't match", goto error);
232 if (!isl_space_tuple_match(multi_space, isl_dim_in,
233 el_space, isl_dim_in))
234 isl_die(FN(MULTI(BASE),get_ctx)(multi), isl_error_invalid,
235 "domains don't match", goto error);
237 if (pos < 0 || pos >= multi->n)
238 isl_die(FN(MULTI(BASE),get_ctx)(multi), isl_error_invalid,
239 "index out of bounds", goto error);
241 FN(EL,free)(multi->p[pos]);
244 isl_space_free(multi_space);
245 isl_space_free(el_space);
249 FN(MULTI(BASE),free)(multi);
251 isl_space_free(multi_space);
252 isl_space_free(el_space);
256 /* Reset the space of "multi". This function is called from isl_pw_templ.c
257 * and doesn't know if the space of an element object is represented
258 * directly or through its domain. It therefore passes along both,
259 * which we pass along to the element function since we don't how
260 * that is represented either.
262 __isl_give MULTI(BASE) *FN(MULTI(BASE),reset_space_and_domain)(
263 __isl_take MULTI(BASE) *multi, __isl_take isl_space *space,
264 __isl_take isl_space *domain)
268 multi = FN(MULTI(BASE),cow)(multi);
269 if (!multi || !space || !domain)
272 for (i = 0; i < multi->n; ++i) {
273 multi->p[i] = FN(EL,reset_domain_space)(multi->p[i],
274 isl_space_copy(domain));
278 isl_space_free(domain);
279 isl_space_free(multi->space);
280 multi->space = space;
284 isl_space_free(domain);
285 isl_space_free(space);
286 FN(MULTI(BASE),free)(multi);
290 __isl_give MULTI(BASE) *FN(MULTI(BASE),reset_domain_space)(
291 __isl_take MULTI(BASE) *multi, __isl_take isl_space *domain)
295 space = isl_space_extend_domain_with_range(isl_space_copy(domain),
296 isl_space_copy(multi->space));
297 return FN(MULTI(BASE),reset_space_and_domain)(multi, space, domain);
300 __isl_give MULTI(BASE) *FN(MULTI(BASE),reset_space)(
301 __isl_take MULTI(BASE) *multi, __isl_take isl_space *space)
305 domain = isl_space_domain(isl_space_copy(space));
306 return FN(MULTI(BASE),reset_space_and_domain)(multi, space, domain);
309 __isl_give MULTI(BASE) *FN(MULTI(BASE),set_tuple_name)(
310 __isl_keep MULTI(BASE) *multi, enum isl_dim_type type,
315 multi = FN(MULTI(BASE),cow)(multi);
319 space = FN(MULTI(BASE),get_space)(multi);
320 space = isl_space_set_tuple_name(space, type, s);
322 return FN(MULTI(BASE),reset_space)(multi, space);
325 __isl_give MULTI(BASE) *FN(MULTI(BASE),set_tuple_id)(
326 __isl_keep MULTI(BASE) *multi, enum isl_dim_type type,
327 __isl_take isl_id *id)
331 multi = FN(MULTI(BASE),cow)(multi);
333 return isl_id_free(id);
335 space = FN(MULTI(BASE),get_space)(multi);
336 space = isl_space_set_tuple_id(space, type, id);
338 return FN(MULTI(BASE),reset_space)(multi, space);
341 __isl_give MULTI(BASE) *FN(MULTI(BASE),realign_domain)(
342 __isl_take MULTI(BASE) *multi, __isl_take isl_reordering *exp)
346 multi = FN(MULTI(BASE),cow)(multi);
350 for (i = 0; i < multi->n; ++i) {
351 multi->p[i] = FN(EL,realign_domain)(multi->p[i],
352 isl_reordering_copy(exp));
357 multi = FN(MULTI(BASE),reset_domain_space)(multi,
358 isl_space_copy(exp->dim));
360 isl_reordering_free(exp);
363 isl_reordering_free(exp);
364 FN(MULTI(BASE),free)(multi);
368 /* Align the parameters of "multi" to those of "model".
370 __isl_give MULTI(BASE) *FN(MULTI(BASE),align_params)(
371 __isl_take MULTI(BASE) *multi, __isl_take isl_space *model)
375 if (!multi || !model)
378 ctx = isl_space_get_ctx(model);
379 if (!isl_space_has_named_params(model))
380 isl_die(ctx, isl_error_invalid,
381 "model has unnamed parameters", goto error);
382 if (!isl_space_has_named_params(multi->space))
383 isl_die(ctx, isl_error_invalid,
384 "input has unnamed parameters", goto error);
385 if (!isl_space_match(multi->space, isl_dim_param,
386 model, isl_dim_param)) {
389 model = isl_space_params(model);
390 exp = isl_parameter_alignment_reordering(multi->space, model);
391 exp = isl_reordering_extend_space(exp,
392 FN(MULTI(BASE),get_domain_space)(multi));
393 multi = FN(MULTI(BASE),realign_domain)(multi, exp);
396 isl_space_free(model);
399 isl_space_free(model);
400 FN(MULTI(BASE),free)(multi);
404 static __isl_give MULTI(BASE) *FN(MULTI(BASE),align_params_multi_set_and)(
405 __isl_take MULTI(BASE) *multi, __isl_take isl_set *set,
406 __isl_give MULTI(BASE) *(*fn)(__isl_take MULTI(BASE) *multi,
407 __isl_take isl_set *set))
413 if (isl_space_match(multi->space, isl_dim_param,
414 set->dim, isl_dim_param))
415 return fn(multi, set);
416 ctx = FN(MULTI(BASE),get_ctx)(multi);
417 if (!isl_space_has_named_params(multi->space) ||
418 !isl_space_has_named_params(set->dim))
419 isl_die(ctx, isl_error_invalid,
420 "unaligned unnamed parameters", goto error);
421 multi = FN(MULTI(BASE),align_params)(multi, isl_set_get_space(set));
422 set = isl_set_align_params(set, FN(MULTI(BASE),get_space)(multi));
423 return fn(multi, set);
425 FN(MULTI(BASE),free)(multi);
430 __isl_give MULTI(BASE) *FN(MULTI(BASE),gist_aligned)(
431 __isl_take MULTI(BASE) *multi, __isl_take isl_set *context)
435 if (!multi || !context)
438 for (i = 0; i < multi->n; ++i) {
439 multi->p[i] = FN(EL,gist)(multi->p[i], isl_set_copy(context));
444 isl_set_free(context);
447 isl_set_free(context);
448 FN(MULTI(BASE),free)(multi);
452 __isl_give MULTI(BASE) *FN(MULTI(BASE),gist)(__isl_take MULTI(BASE) *multi,
453 __isl_take isl_set *context)
455 return FN(MULTI(BASE),align_params_multi_set_and)(multi, context,
456 &FN(MULTI(BASE),gist_aligned));
459 __isl_give MULTI(BASE) *FN(MULTI(BASE),gist_params)(
460 __isl_take MULTI(BASE) *multi, __isl_take isl_set *context)
462 isl_space *space = FN(MULTI(BASE),get_domain_space)(multi);
463 isl_set *dom_context = isl_set_universe(space);
464 dom_context = isl_set_intersect_params(dom_context, context);
465 return FN(MULTI(BASE),gist)(multi, dom_context);
468 __isl_give MULTI(BASE) *FN(FN(MULTI(BASE),from),LIST(BASE))(
469 __isl_take isl_space *space, __isl_take LIST(EL) *list)
479 ctx = isl_space_get_ctx(space);
480 n = FN(FN(LIST(EL),n),BASE)(list);
481 if (n != isl_space_dim(space, isl_dim_out))
482 isl_die(ctx, isl_error_invalid,
483 "invalid number of elements in list", goto error);
485 multi = FN(MULTI(BASE),alloc)(isl_space_copy(space));
486 for (i = 0; i < n; ++i) {
487 multi = FN(FN(MULTI(BASE),set),BASE)(multi, i,
488 FN(FN(LIST(EL),get),BASE)(list, i));
491 isl_space_free(space);
492 FN(LIST(EL),free)(list);
495 isl_space_free(space);
496 FN(LIST(EL),free)(list);
500 /* Create a multi expression in the given space that maps each
501 * input dimension to the corresponding output dimension.
503 __isl_give MULTI(BASE) *FN(MULTI(BASE),identity)(__isl_take isl_space *space)
512 if (isl_space_is_set(space))
513 isl_die(isl_space_get_ctx(space), isl_error_invalid,
514 "expecting map space", goto error);
516 n = isl_space_dim(space, isl_dim_out);
517 if (n != isl_space_dim(space, isl_dim_in))
518 isl_die(isl_space_get_ctx(space), isl_error_invalid,
519 "number of input and output dimensions needs to be "
520 "the same", goto error);
522 multi = FN(MULTI(BASE),alloc)(isl_space_copy(space));
525 isl_space_free(space);
529 space = isl_space_domain(space);
530 ls = isl_local_space_from_space(space);
532 for (i = 0; i < n; ++i) {
534 el = FN(EL,var_on_domain)(isl_local_space_copy(ls),
536 multi = FN(FN(MULTI(BASE),set),BASE)(multi, i, el);
539 isl_local_space_free(ls);
543 isl_space_free(space);
547 /* Construct a multi expression in the given space with value zero in
548 * each of the output dimensions.
550 __isl_give MULTI(BASE) *FN(MULTI(BASE),zero)(__isl_take isl_space *space)
558 n = isl_space_dim(space , isl_dim_out);
559 multi = FN(MULTI(BASE),alloc)(isl_space_copy(space));
562 isl_space_free(space);
568 space = isl_space_domain(space);
569 ls = isl_local_space_from_space(space);
570 el = FN(EL,zero_on_domain)(ls);
572 for (i = 0; i < n; ++i)
573 multi = FN(FN(MULTI(BASE),set),BASE)(multi, i,
582 __isl_give MULTI(BASE) *FN(FN(MULTI(BASE),from),BASE)(__isl_take EL *el)
586 multi = FN(MULTI(BASE),alloc)(FN(EL,get_space)(el));
587 multi = FN(FN(MULTI(BASE),set),BASE)(multi, 0, el);
592 __isl_give MULTI(BASE) *FN(MULTI(BASE),drop_dims)(
593 __isl_take MULTI(BASE) *multi,
594 enum isl_dim_type type, unsigned first, unsigned n)
599 multi = FN(MULTI(BASE),cow)(multi);
603 dim = FN(MULTI(BASE),dim)(multi, type);
604 if (first + n > dim || first + n < first)
605 isl_die(FN(MULTI(BASE),get_ctx)(multi), isl_error_invalid,
606 "index out of bounds",
607 return FN(MULTI(BASE),cow)(multi));
609 multi->space = isl_space_drop_dims(multi->space, type, first, n);
611 return FN(MULTI(BASE),cow)(multi);
613 if (type == isl_dim_out) {
614 for (i = 0; i < n; ++i)
615 FN(EL,free)(multi->p[first + i]);
616 for (i = first; i + n < multi->n; ++i)
617 multi->p[i] = multi->p[i + n];
623 for (i = 0; i < multi->n; ++i) {
624 multi->p[i] = FN(EL,drop_dims)(multi->p[i], type, first, n);
626 return FN(MULTI(BASE),cow)(multi);
632 /* Given two MULTI(BASE)s A -> B and C -> D,
633 * construct a MULTI(BASE) (A * C) -> (B, D).
635 __isl_give MULTI(BASE) *FN(MULTI(BASE),range_product)(
636 __isl_take MULTI(BASE) *multi1, __isl_take MULTI(BASE) *multi2)
643 if (!multi1 || !multi2)
646 space = isl_space_range_product(FN(MULTI(BASE),get_space)(multi1),
647 FN(MULTI(BASE),get_space)(multi2));
648 res = FN(MULTI(BASE),alloc)(space);
650 n1 = FN(MULTI(BASE),dim)(multi1, isl_dim_out);
651 n2 = FN(MULTI(BASE),dim)(multi2, isl_dim_out);
653 for (i = 0; i < n1; ++i) {
654 el = FN(FN(MULTI(BASE),get),BASE)(multi1, i);
655 res = FN(FN(MULTI(BASE),set),BASE)(res, i, el);
658 for (i = 0; i < n2; ++i) {
659 el = FN(FN(MULTI(BASE),get),BASE)(multi2, i);
660 res = FN(FN(MULTI(BASE),set),BASE)(res, n1 + i, el);
663 FN(MULTI(BASE),free)(multi1);
664 FN(MULTI(BASE),free)(multi2);
667 FN(MULTI(BASE),free)(multi1);
668 FN(MULTI(BASE),free)(multi2);
672 __isl_give MULTI(BASE) *FN(MULTI(BASE),flatten_range)(
673 __isl_take MULTI(BASE) *multi)
678 if (!multi->space->nested[1])
681 multi = FN(MULTI(BASE),cow)(multi);
685 multi->space = isl_space_flatten_range(multi->space);
687 return FN(MULTI(BASE),free)(multi);
692 /* Given two MULTI(BASE)s A -> B and C -> D,
693 * construct a MULTI(BASE) (A * C) -> [B -> D].
695 __isl_give MULTI(BASE) *FN(MULTI(BASE),flat_range_product)(
696 __isl_take MULTI(BASE) *multi1, __isl_take MULTI(BASE) *multi2)
700 multi = FN(MULTI(BASE),range_product)(multi1, multi2);
701 multi = FN(MULTI(BASE),flatten_range)(multi);
705 /* Given two multi expressions, "multi1"
709 * where B2 starts at position "pos", and "multi2"
713 * return the multi expression
717 __isl_give MULTI(BASE) *FN(MULTI(BASE),range_splice)(
718 __isl_take MULTI(BASE) *multi1, unsigned pos,
719 __isl_take MULTI(BASE) *multi2)
724 if (!multi1 || !multi2)
727 dim = FN(MULTI(BASE),dim)(multi1, isl_dim_out);
729 isl_die(FN(MULTI(BASE),get_ctx)(multi1), isl_error_invalid,
730 "index out of bounds", goto error);
732 res = FN(MULTI(BASE),copy)(multi1);
733 res = FN(MULTI(BASE),drop_dims)(res, isl_dim_out, pos, dim - pos);
734 multi1 = FN(MULTI(BASE),drop_dims)(multi1, isl_dim_out, 0, pos);
736 res = FN(MULTI(BASE),flat_range_product)(res, multi2);
737 res = FN(MULTI(BASE),flat_range_product)(res, multi1);
741 FN(MULTI(BASE),free)(multi1);
742 FN(MULTI(BASE),free)(multi2);
746 /* Given two multi expressions, "multi1"
750 * where A2 starts at position "in_pos" and B2 starts at position "out_pos",
755 * return the multi expression
757 * [A1 C A2] -> [B1 D B2]
759 * We first insert input dimensions to obtain
761 * [A1 C A2] -> [B1 B2]
767 * and then apply range_splice.
769 __isl_give MULTI(BASE) *FN(MULTI(BASE),splice)(
770 __isl_take MULTI(BASE) *multi1, unsigned in_pos, unsigned out_pos,
771 __isl_take MULTI(BASE) *multi2)
776 if (!multi1 || !multi2)
779 n_in1 = FN(MULTI(BASE),dim)(multi1, isl_dim_in);
781 isl_die(FN(MULTI(BASE),get_ctx)(multi1), isl_error_invalid,
782 "index out of bounds", goto error);
784 n_in2 = FN(MULTI(BASE),dim)(multi2, isl_dim_in);
786 multi1 = FN(MULTI(BASE),insert_dims)(multi1, isl_dim_in, in_pos, n_in2);
787 multi2 = FN(MULTI(BASE),insert_dims)(multi2, isl_dim_in, n_in2,
789 multi2 = FN(MULTI(BASE),insert_dims)(multi2, isl_dim_in, 0, in_pos);
791 return FN(MULTI(BASE),range_splice)(multi1, out_pos, multi2);
793 FN(MULTI(BASE),free)(multi1);
794 FN(MULTI(BASE),free)(multi2);