xref: /netbsd-src/external/mit/isl/dist/isl_list_templ.c (revision 5971e316fdea024efff6be8f03536623db06833e)
1 /*
2  * Copyright 2008-2009 Katholieke Universiteit Leuven
3  * Copyright 2011      INRIA Saclay
4  * Copyright 2012-2013 Ecole Normale Superieure
5  * Copyright 2017      Sven Verdoolaege
6  *
7  * Use of this software is governed by the MIT license
8  *
9  * Written by Sven Verdoolaege, K.U.Leuven, Departement
10  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
11  * and INRIA Saclay - Ile-de-France, Parc Club Orsay Universite,
12  * ZAC des vignes, 4 rue Jacques Monod, 91893 Orsay, France
13  * and Ecole Normale Superieure, 45 rue d’Ulm, 75230 Paris, France
14  */
15 
16 #include <isl_sort.h>
17 #include <isl_tarjan.h>
18 #include <isl/printer.h>
19 
20 #include <isl_list_macro.h>
21 
22 #define xS(TYPE,NAME) struct TYPE ## _ ## NAME
23 #define S(TYPE,NAME) xS(TYPE,NAME)
24 
FN(LIST (EL),get_ctx)25 isl_ctx *FN(LIST(EL),get_ctx)(__isl_keep LIST(EL) *list)
26 {
27 	return list ? list->ctx : NULL;
28 }
29 
LIST(EL)30 __isl_give LIST(EL) *FN(LIST(EL),alloc)(isl_ctx *ctx, int n)
31 {
32 	LIST(EL) *list;
33 
34 	if (n < 0)
35 		isl_die(ctx, isl_error_invalid,
36 			"cannot create list of negative length",
37 			return NULL);
38 	list = isl_alloc(ctx, LIST(EL),
39 			 sizeof(LIST(EL)) + (n - 1) * sizeof(struct EL *));
40 	if (!list)
41 		return NULL;
42 
43 	list->ctx = ctx;
44 	isl_ctx_ref(ctx);
45 	list->ref = 1;
46 	list->size = n;
47 	list->n = 0;
48 	return list;
49 }
50 
LIST(EL)51 __isl_give LIST(EL) *FN(LIST(EL),copy)(__isl_keep LIST(EL) *list)
52 {
53 	if (!list)
54 		return NULL;
55 
56 	list->ref++;
57 	return list;
58 }
59 
LIST(EL)60 __isl_give LIST(EL) *FN(LIST(EL),dup)(__isl_keep LIST(EL) *list)
61 {
62 	int i;
63 	LIST(EL) *dup;
64 
65 	if (!list)
66 		return NULL;
67 
68 	dup = FN(LIST(EL),alloc)(FN(LIST(EL),get_ctx)(list), list->n);
69 	if (!dup)
70 		return NULL;
71 	for (i = 0; i < list->n; ++i)
72 		dup = FN(LIST(EL),add)(dup, FN(EL,copy)(list->p[i]));
73 	return dup;
74 }
75 
LIST(EL)76 __isl_give LIST(EL) *FN(LIST(EL),cow)(__isl_take LIST(EL) *list)
77 {
78 	if (!list)
79 		return NULL;
80 
81 	if (list->ref == 1)
82 		return list;
83 	list->ref--;
84 	return FN(LIST(EL),dup)(list);
85 }
86 
87 /* Make sure "list" has room for at least "n" more pieces.
88  * Always return a list with a single reference.
89  *
90  * If there is only one reference to list, we extend it in place.
91  * Otherwise, we create a new LIST(EL) and copy the elements.
92  */
LIST(EL)93 static __isl_give LIST(EL) *FN(LIST(EL),grow)(__isl_take LIST(EL) *list, int n)
94 {
95 	isl_ctx *ctx;
96 	int i, new_size;
97 	LIST(EL) *res;
98 
99 	if (!list)
100 		return NULL;
101 	if (list->ref == 1 && list->n + n <= list->size)
102 		return list;
103 
104 	ctx = FN(LIST(EL),get_ctx)(list);
105 	new_size = ((list->n + n + 1) * 3) / 2;
106 	if (list->ref == 1) {
107 		res = isl_realloc(ctx, list, LIST(EL),
108 			    sizeof(LIST(EL)) + (new_size - 1) * sizeof(EL *));
109 		if (!res)
110 			return FN(LIST(EL),free)(list);
111 		res->size = new_size;
112 		return res;
113 	}
114 
115 	if (list->n + n <= list->size && list->size < new_size)
116 		new_size = list->size;
117 
118 	res = FN(LIST(EL),alloc)(ctx, new_size);
119 	if (!res)
120 		return FN(LIST(EL),free)(list);
121 
122 	for (i = 0; i < list->n; ++i)
123 		res = FN(LIST(EL),add)(res, FN(EL,copy)(list->p[i]));
124 
125 	FN(LIST(EL),free)(list);
126 	return res;
127 }
128 
129 /* Check that "index" is a valid position in "list".
130  */
FN(LIST (EL),check_index)131 static isl_stat FN(LIST(EL),check_index)(__isl_keep LIST(EL) *list, int index)
132 {
133 	if (!list)
134 		return isl_stat_error;
135 	if (index < 0 || index >= list->n)
136 		isl_die(FN(LIST(EL),get_ctx)(list), isl_error_invalid,
137 			"index out of bounds", return isl_stat_error);
138 	return isl_stat_ok;
139 }
140 
LIST(EL)141 __isl_give LIST(EL) *FN(LIST(EL),add)(__isl_take LIST(EL) *list,
142 	__isl_take struct EL *el)
143 {
144 	list = FN(LIST(EL),grow)(list, 1);
145 	if (!list || !el)
146 		goto error;
147 	list->p[list->n] = el;
148 	list->n++;
149 	return list;
150 error:
151 	FN(EL,free)(el);
152 	FN(LIST(EL),free)(list);
153 	return NULL;
154 }
155 
156 /* Remove the "n" elements starting at "first" from "list".
157  */
LIST(EL)158 __isl_give LIST(EL) *FN(LIST(EL),drop)(__isl_take LIST(EL) *list,
159 	unsigned first, unsigned n)
160 {
161 	int i;
162 
163 	if (!list)
164 		return NULL;
165 	if (first + n > list->n || first + n < first)
166 		isl_die(list->ctx, isl_error_invalid,
167 			"index out of bounds", return FN(LIST(EL),free)(list));
168 	if (n == 0)
169 		return list;
170 	list = FN(LIST(EL),cow)(list);
171 	if (!list)
172 		return NULL;
173 	for (i = 0; i < n; ++i)
174 		FN(EL,free)(list->p[first + i]);
175 	for (i = first; i + n < list->n; ++i)
176 		list->p[i] = list->p[i + n];
177 	list->n -= n;
178 	return list;
179 }
180 
181 /* Remove all elements from "list".
182  */
LIST(EL)183 __isl_give LIST(EL) *FN(LIST(EL),clear)(__isl_take LIST(EL) *list)
184 {
185 	if (!list)
186 		return NULL;
187 	return FN(LIST(EL),drop)(list, 0, list->n);
188 }
189 
190 /* Insert "el" at position "pos" in "list".
191  *
192  * If there is only one reference to "list" and if it already has space
193  * for one extra element, we insert it directly into "list".
194  * Otherwise, we create a new list consisting of "el" and copied
195  * elements from "list".
196  */
LIST(EL)197 __isl_give LIST(EL) *FN(LIST(EL),insert)(__isl_take LIST(EL) *list,
198 	unsigned pos, __isl_take struct EL *el)
199 {
200 	int i;
201 	isl_ctx *ctx;
202 	LIST(EL) *res;
203 
204 	if (!list || !el)
205 		goto error;
206 	ctx = FN(LIST(EL),get_ctx)(list);
207 	if (pos > list->n)
208 		isl_die(ctx, isl_error_invalid,
209 			"index out of bounds", goto error);
210 
211 	if (list->ref == 1 && list->size > list->n) {
212 		for (i = list->n; i > pos; --i)
213 			list->p[i] = list->p[i - 1];
214 		list->n++;
215 		list->p[pos] = el;
216 		return list;
217 	}
218 
219 	res = FN(LIST(EL),alloc)(ctx, list->n + 1);
220 	for (i = 0; i < pos; ++i)
221 		res = FN(LIST(EL),add)(res, FN(EL,copy)(list->p[i]));
222 	res = FN(LIST(EL),add)(res, el);
223 	for (i = pos; i < list->n; ++i)
224 		res = FN(LIST(EL),add)(res, FN(EL,copy)(list->p[i]));
225 	FN(LIST(EL),free)(list);
226 
227 	return res;
228 error:
229 	FN(EL,free)(el);
230 	FN(LIST(EL),free)(list);
231 	return NULL;
232 }
233 
LIST(EL)234 __isl_null LIST(EL) *FN(LIST(EL),free)(__isl_take LIST(EL) *list)
235 {
236 	int i;
237 
238 	if (!list)
239 		return NULL;
240 
241 	if (--list->ref > 0)
242 		return NULL;
243 
244 	isl_ctx_deref(list->ctx);
245 	for (i = 0; i < list->n; ++i)
246 		FN(EL,free)(list->p[i]);
247 	free(list);
248 
249 	return NULL;
250 }
251 
252 /* Return the number of elements in "list".
253  */
FN(LIST (EL),size)254 isl_size FN(LIST(EL),size)(__isl_keep LIST(EL) *list)
255 {
256 	return list ? list->n : isl_size_error;
257 }
258 
259 /* This is an alternative name for the function above.
260  */
FN(FN (LIST (EL),n),EL_BASE)261 isl_size FN(FN(LIST(EL),n),EL_BASE)(__isl_keep LIST(EL) *list)
262 {
263 	return FN(LIST(EL),size)(list);
264 }
265 
266 /* Return the element at position "index" in "list".
267  */
FN(LIST (EL),peek)268 __isl_keep EL *FN(LIST(EL),peek)(__isl_keep LIST(EL) *list, int index)
269 {
270 	if (FN(LIST(EL),check_index)(list, index) < 0)
271 		return NULL;
272 	return list->p[index];
273 }
274 
275 /* Return a copy of the element at position "index" in "list".
276  */
FN(LIST (EL),get_at)277 __isl_give EL *FN(LIST(EL),get_at)(__isl_keep LIST(EL) *list, int index)
278 {
279 	return FN(EL,copy)(FN(LIST(EL),peek)(list, index));
280 }
281 
282 /* This is an alternative name for the function above.
283  */
FN(FN (LIST (EL),get),EL_BASE)284 __isl_give EL *FN(FN(LIST(EL),get),EL_BASE)(__isl_keep LIST(EL) *list,
285 	int index)
286 {
287 	return FN(LIST(EL),get_at)(list, index);
288 }
289 
290 /* Replace the element at position "index" in "list" by "el".
291  */
LIST(EL)292 __isl_give LIST(EL) *FN(LIST(EL),set_at)(__isl_take LIST(EL) *list,
293 	int index, __isl_take EL *el)
294 {
295 	if (!list || !el)
296 		goto error;
297 	if (FN(LIST(EL),check_index)(list, index) < 0)
298 		goto error;
299 	if (list->p[index] == el) {
300 		FN(EL,free)(el);
301 		return list;
302 	}
303 	list = FN(LIST(EL),cow)(list);
304 	if (!list)
305 		goto error;
306 	FN(EL,free)(list->p[index]);
307 	list->p[index] = el;
308 	return list;
309 error:
310 	FN(EL,free)(el);
311 	FN(LIST(EL),free)(list);
312 	return NULL;
313 }
314 
315 /* This is an alternative name for the function above.
316  */
LIST(EL)317 __isl_give LIST(EL) *FN(FN(LIST(EL),set),EL_BASE)(__isl_take LIST(EL) *list,
318 	int index, __isl_take EL *el)
319 {
320 	return FN(LIST(EL),set_at)(list, index, el);
321 }
322 
323 /* Return the element at position "index" of "list".
324  * This may be either a copy or the element itself
325  * if there is only one reference to "list".
326  * This allows the element to be modified inplace
327  * if both the list and the element have only a single reference.
328  * The caller is not allowed to modify "list" between
329  * this call to isl_list_*_take_* and a subsequent call
330  * to isl_list_*_restore_*.
331  * The only exception is that isl_list_*_free can be called instead.
332  */
FN(FN (LIST (EL),take),EL_BASE)333 static __isl_give EL *FN(FN(LIST(EL),take),EL_BASE)(__isl_keep LIST(EL) *list,
334 	int index)
335 {
336 	EL *el;
337 
338 	if (FN(LIST(EL),check_index)(list, index) < 0)
339 		return NULL;
340 	if (list->ref != 1)
341 		return FN(FN(LIST(EL),get),EL_BASE)(list, index);
342 	el = list->p[index];
343 	list->p[index] = NULL;
344 	return el;
345 }
346 
347 /* Set the element at position "index" of "list" to "el",
348  * where the position may be empty due to a previous call
349  * to isl_list_*_take_*.
350  */
LIST(EL)351 static __isl_give LIST(EL) *FN(FN(LIST(EL),restore),EL_BASE)(
352 	__isl_take LIST(EL) *list, int index, __isl_take EL *el)
353 {
354 	return FN(FN(LIST(EL),set),EL_BASE)(list, index, el);
355 }
356 
357 /* Swap the elements of "list" in positions "pos1" and "pos2".
358  */
LIST(EL)359 __isl_give LIST(EL) *FN(LIST(EL),swap)(__isl_take LIST(EL) *list,
360 	unsigned pos1, unsigned pos2)
361 {
362 	EL *el1, *el2;
363 
364 	if (pos1 == pos2)
365 		return list;
366 	el1 = FN(FN(LIST(EL),take),EL_BASE)(list, pos1);
367 	el2 = FN(FN(LIST(EL),take),EL_BASE)(list, pos2);
368 	list = FN(FN(LIST(EL),restore),EL_BASE)(list, pos1, el2);
369 	list = FN(FN(LIST(EL),restore),EL_BASE)(list, pos2, el1);
370 	return list;
371 }
372 
373 /* Reverse the elements of "list".
374  */
LIST(EL)375 __isl_give LIST(EL) *FN(LIST(EL),reverse)(__isl_take LIST(EL) *list)
376 {
377 	int i, n;
378 
379 	n = FN(LIST(EL),size)(list);
380 	for (i = 0; i < n - 1 - i; ++i)
381 		list = FN(LIST(EL),swap)(list, i, n - 1 - i);
382 	return list;
383 }
384 
FN(LIST (EL),foreach)385 isl_stat FN(LIST(EL),foreach)(__isl_keep LIST(EL) *list,
386 	isl_stat (*fn)(__isl_take EL *el, void *user), void *user)
387 {
388 	int i;
389 
390 	if (!list)
391 		return isl_stat_error;
392 
393 	for (i = 0; i < list->n; ++i) {
394 		EL *el = FN(EL,copy)(list->p[i]);
395 		if (!el)
396 			return isl_stat_error;
397 		if (fn(el, user) < 0)
398 			return isl_stat_error;
399 	}
400 
401 	return isl_stat_ok;
402 }
403 
404 /* Does "test" succeed on every element of "list"?
405  */
FN(LIST (EL),every)406 isl_bool FN(LIST(EL),every)(__isl_keep LIST(EL) *list,
407 	isl_bool (*test)(__isl_keep EL *el, void *user), void *user)
408 {
409 	int i;
410 
411 	if (!list)
412 		return isl_bool_error;
413 
414 	for (i = 0; i < list->n; ++i) {
415 		isl_bool r;
416 
417 		r = test(list->p[i], user);
418 		if (r < 0 || !r)
419 			return r;
420 	}
421 
422 	return isl_bool_true;
423 }
424 
425 /* Replace each element in "list" by the result of calling "fn"
426  * on the element.
427  */
LIST(EL)428 __isl_give LIST(EL) *FN(LIST(EL),map)(__isl_keep LIST(EL) *list,
429 	__isl_give EL *(*fn)(__isl_take EL *el, void *user), void *user)
430 {
431 	int i, n;
432 
433 	if (!list)
434 		return NULL;
435 
436 	n = list->n;
437 	for (i = 0; i < n; ++i) {
438 		EL *el = FN(FN(LIST(EL),take),EL_BASE)(list, i);
439 		if (!el)
440 			return FN(LIST(EL),free)(list);
441 		el = fn(el, user);
442 		list = FN(FN(LIST(EL),restore),EL_BASE)(list, i, el);
443 	}
444 
445 	return list;
446 }
447 
448 /* Internal data structure for isl_*_list_sort.
449  *
450  * "cmp" is the original comparison function.
451  * "user" is a user provided pointer that should be passed to "cmp".
452  */
S(LIST (EL),sort_data)453 S(LIST(EL),sort_data) {
454 	int (*cmp)(__isl_keep EL *a, __isl_keep EL *b, void *user);
455 	void *user;
456 };
457 
458 /* Compare two entries of an isl_*_list based on the user provided
459  * comparison function on pairs of isl_* objects.
460  */
FN(LIST (EL),cmp)461 static int FN(LIST(EL),cmp)(const void *a, const void *b, void *user)
462 {
463 	S(LIST(EL),sort_data) *data = user;
464 	EL * const *el1 = a;
465 	EL * const *el2 = b;
466 
467 	return data->cmp(*el1, *el2, data->user);
468 }
469 
470 /* Sort the elements of "list" in ascending order according to
471  * comparison function "cmp".
472  */
LIST(EL)473 __isl_give LIST(EL) *FN(LIST(EL),sort)(__isl_take LIST(EL) *list,
474 	int (*cmp)(__isl_keep EL *a, __isl_keep EL *b, void *user), void *user)
475 {
476 	S(LIST(EL),sort_data) data = { cmp, user };
477 
478 	if (!list)
479 		return NULL;
480 	if (list->n <= 1)
481 		return list;
482 	list = FN(LIST(EL),cow)(list);
483 	if (!list)
484 		return NULL;
485 
486 	if (isl_sort(list->p, list->n, sizeof(list->p[0]),
487 			&FN(LIST(EL),cmp), &data) < 0)
488 		return FN(LIST(EL),free)(list);
489 
490 	return list;
491 }
492 
493 /* Internal data structure for isl_*_list_foreach_scc.
494  *
495  * "list" is the original list.
496  * "follows" is the user provided callback that defines the edges of the graph.
497  */
S(LIST (EL),foreach_scc_data)498 S(LIST(EL),foreach_scc_data) {
499 	LIST(EL) *list;
500 	isl_bool (*follows)(__isl_keep EL *a, __isl_keep EL *b, void *user);
501 	void *follows_user;
502 };
503 
504 /* Does element i of data->list follow element j?
505  *
506  * Use the user provided callback to find out.
507  */
FN(LIST (EL),follows)508 static isl_bool FN(LIST(EL),follows)(int i, int j, void *user)
509 {
510 	S(LIST(EL),foreach_scc_data) *data = user;
511 
512 	return data->follows(data->list->p[i], data->list->p[j],
513 				data->follows_user);
514 }
515 
516 /* Call "fn" on the sublist of "list" that consists of the elements
517  * with indices specified by the "n" elements of "pos".
518  */
FN(LIST (EL),call_on_scc)519 static isl_stat FN(LIST(EL),call_on_scc)(__isl_keep LIST(EL) *list, int *pos,
520 	int n, isl_stat (*fn)(__isl_take LIST(EL) *scc, void *user), void *user)
521 {
522 	int i;
523 	isl_ctx *ctx;
524 	LIST(EL) *slice;
525 
526 	ctx = FN(LIST(EL),get_ctx)(list);
527 	slice = FN(LIST(EL),alloc)(ctx, n);
528 	for (i = 0; i < n; ++i) {
529 		EL *el;
530 
531 		el = FN(EL,copy)(list->p[pos[i]]);
532 		slice = FN(LIST(EL),add)(slice, el);
533 	}
534 
535 	return fn(slice, user);
536 }
537 
538 /* Call "fn" on each of the strongly connected components (SCCs) of
539  * the graph with as vertices the elements of "list" and
540  * a directed edge from node b to node a iff follows(a, b)
541  * returns 1.  follows should return -1 on error.
542  *
543  * If SCC a contains a node i that follows a node j in another SCC b
544  * (i.e., follows(i, j, user) returns 1), then fn will be called on SCC a
545  * after being called on SCC b.
546  *
547  * We simply call isl_tarjan_graph_init, extract the SCCs from the result and
548  * call fn on each of them.
549  */
FN(LIST (EL),foreach_scc)550 isl_stat FN(LIST(EL),foreach_scc)(__isl_keep LIST(EL) *list,
551 	isl_bool (*follows)(__isl_keep EL *a, __isl_keep EL *b, void *user),
552 	void *follows_user,
553 	isl_stat (*fn)(__isl_take LIST(EL) *scc, void *user), void *fn_user)
554 {
555 	S(LIST(EL),foreach_scc_data) data = { list, follows, follows_user };
556 	int i, n;
557 	isl_ctx *ctx;
558 	struct isl_tarjan_graph *g;
559 
560 	if (!list)
561 		return isl_stat_error;
562 	if (list->n == 0)
563 		return isl_stat_ok;
564 	if (list->n == 1)
565 		return fn(FN(LIST(EL),copy)(list), fn_user);
566 
567 	ctx = FN(LIST(EL),get_ctx)(list);
568 	n = list->n;
569 	g = isl_tarjan_graph_init(ctx, n, &FN(LIST(EL),follows), &data);
570 	if (!g)
571 		return isl_stat_error;
572 
573 	i = 0;
574 	do {
575 		int first;
576 
577 		if (g->order[i] == -1)
578 			isl_die(ctx, isl_error_internal, "cannot happen",
579 				break);
580 		first = i;
581 		while (g->order[i] != -1) {
582 			++i; --n;
583 		}
584 		if (first == 0 && n == 0) {
585 			isl_tarjan_graph_free(g);
586 			return fn(FN(LIST(EL),copy)(list), fn_user);
587 		}
588 		if (FN(LIST(EL),call_on_scc)(list, g->order + first, i - first,
589 					    fn, fn_user) < 0)
590 			break;
591 		++i;
592 	} while (n);
593 
594 	isl_tarjan_graph_free(g);
595 
596 	return n > 0 ? isl_stat_error : isl_stat_ok;
597 }
598 
LIST(EL)599 __isl_give LIST(EL) *FN(FN(LIST(EL),from),EL_BASE)(__isl_take EL *el)
600 {
601 	isl_ctx *ctx;
602 	LIST(EL) *list;
603 
604 	if (!el)
605 		return NULL;
606 	ctx = FN(EL,get_ctx)(el);
607 	list = FN(LIST(EL),alloc)(ctx, 1);
608 	if (!list)
609 		goto error;
610 	list = FN(LIST(EL),add)(list, el);
611 	return list;
612 error:
613 	FN(EL,free)(el);
614 	return NULL;
615 }
616 
617 /* This function performs the same operation as isl_*_list_from_*,
618  * but is considered as a function on the element when exported.
619  */
LIST(EL)620 __isl_give LIST(EL) *FN(EL,to_list)(__isl_take EL *el)
621 {
622 	return FN(FN(LIST(EL),from),EL_BASE)(el);
623 }
624 
625 /* Append the elements of "list2" to "list1", where "list1" is known
626  * to have only a single reference and enough room to hold
627  * the extra elements.
628  */
LIST(EL)629 static __isl_give LIST(EL) *FN(LIST(EL),concat_inplace)(
630 	__isl_take LIST(EL) *list1, __isl_take LIST(EL) *list2)
631 {
632 	int i;
633 
634 	for (i = 0; i < list2->n; ++i)
635 		list1 = FN(LIST(EL),add)(list1, FN(EL,copy)(list2->p[i]));
636 	FN(LIST(EL),free)(list2);
637 	return list1;
638 }
639 
640 /* Concatenate "list1" and "list2".
641  * If "list1" has only one reference and has enough room
642  * for the elements of "list2", the add the elements to "list1" itself.
643  * Otherwise, create a new list to store the result.
644  */
LIST(EL)645 __isl_give LIST(EL) *FN(LIST(EL),concat)(__isl_take LIST(EL) *list1,
646 	__isl_take LIST(EL) *list2)
647 {
648 	int i;
649 	isl_ctx *ctx;
650 	LIST(EL) *res;
651 
652 	if (!list1 || !list2)
653 		goto error;
654 
655 	if (list1->ref == 1 && list1->n + list2->n <= list1->size)
656 		return FN(LIST(EL),concat_inplace)(list1, list2);
657 
658 	ctx = FN(LIST(EL),get_ctx)(list1);
659 	res = FN(LIST(EL),alloc)(ctx, list1->n + list2->n);
660 	for (i = 0; i < list1->n; ++i)
661 		res = FN(LIST(EL),add)(res, FN(EL,copy)(list1->p[i]));
662 	for (i = 0; i < list2->n; ++i)
663 		res = FN(LIST(EL),add)(res, FN(EL,copy)(list2->p[i]));
664 
665 	FN(LIST(EL),free)(list1);
666 	FN(LIST(EL),free)(list2);
667 	return res;
668 error:
669 	FN(LIST(EL),free)(list1);
670 	FN(LIST(EL),free)(list2);
671 	return NULL;
672 }
673 
CAT(isl_printer_print_,LIST (EL_BASE))674 __isl_give isl_printer *CAT(isl_printer_print_,LIST(EL_BASE))(
675 	__isl_take isl_printer *p, __isl_keep LIST(EL) *list)
676 {
677 	int i;
678 
679 	if (!p || !list)
680 		goto error;
681 	p = isl_printer_print_str(p, "(");
682 	for (i = 0; i < list->n; ++i) {
683 		if (i)
684 			p = isl_printer_print_str(p, ",");
685 		p = CAT(isl_printer_print_,EL_BASE)(p, list->p[i]);
686 	}
687 	p = isl_printer_print_str(p, ")");
688 	return p;
689 error:
690 	isl_printer_free(p);
691 	return NULL;
692 }
693 
694 #undef BASE
695 #define BASE LIST(EL_BASE)
696 
697 #define PRINT_DUMP_DEFAULT	0
698 #include "print_templ.c"
699 #undef PRINT_DUMP_DEFAULT
700