2 * Copyright 2008-2009 Katholieke Universiteit Leuven
3 * Copyright 2010 INRIA Saclay
4 * Copyright 2012-2013 Ecole Normale Superieure
5 * Copyright 2014 INRIA Rocquencourt
7 * Use of this software is governed by the MIT license
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 * and Inria Paris - Rocquencourt, Domaine de Voluceau - Rocquencourt,
15 * B.P. 105 - 78153 Le Chesnay, France
21 #include <isl_ctx_private.h>
22 #include <isl_map_private.h>
23 #include <isl_aff_private.h>
24 #include <isl_space_private.h>
28 #include <isl_constraint_private.h>
29 #include <isl/polynomial.h>
30 #include <isl/union_set.h>
31 #include <isl/union_map.h>
32 #include <isl_factorization.h>
33 #include <isl/schedule.h>
34 #include <isl/schedule_node.h>
35 #include <isl_options_private.h>
36 #include <isl_vertices_private.h>
37 #include <isl/ast_build.h>
40 #include <isl_ast_build_expr.h>
41 #include <isl/options.h>
43 #include "isl_srcdir.c"
45 #define ARRAY_SIZE(array) (sizeof(array)/sizeof(*array))
47 static char *get_filename(isl_ctx
*ctx
, const char *name
, const char *suffix
) {
50 char *pattern
= "%s/test_inputs/%s.%s";
52 length
= strlen(pattern
) - 6 + strlen(srcdir
) + strlen(name
)
54 filename
= isl_alloc_array(ctx
, char, length
);
59 sprintf(filename
, pattern
, srcdir
, name
, suffix
);
64 void test_parse_map(isl_ctx
*ctx
, const char *str
)
68 map
= isl_map_read_from_str(ctx
, str
);
73 int test_parse_map_equal(isl_ctx
*ctx
, const char *str
, const char *str2
)
78 map
= isl_map_read_from_str(ctx
, str
);
79 map2
= isl_map_read_from_str(ctx
, str2
);
80 equal
= isl_map_is_equal(map
, map2
);
87 isl_die(ctx
, isl_error_unknown
, "maps not equal",
93 void test_parse_pwqp(isl_ctx
*ctx
, const char *str
)
95 isl_pw_qpolynomial
*pwqp
;
97 pwqp
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
99 isl_pw_qpolynomial_free(pwqp
);
102 static void test_parse_pwaff(isl_ctx
*ctx
, const char *str
)
106 pwaff
= isl_pw_aff_read_from_str(ctx
, str
);
108 isl_pw_aff_free(pwaff
);
111 /* Check that we can read an isl_multi_val from "str" without errors.
113 static int test_parse_multi_val(isl_ctx
*ctx
, const char *str
)
117 mv
= isl_multi_val_read_from_str(ctx
, str
);
118 isl_multi_val_free(mv
);
123 /* Check that printing "mpa" and parsing the output results
124 * in the same expression.
126 static isl_stat
check_reparse_mpa(isl_ctx
*ctx
,
127 __isl_take isl_multi_pw_aff
*mpa
)
131 isl_multi_pw_aff
*mpa2
;
133 str
= isl_multi_pw_aff_to_str(mpa
);
134 mpa2
= isl_multi_pw_aff_read_from_str(ctx
, str
);
136 equal
= isl_multi_pw_aff_plain_is_equal(mpa
, mpa2
);
137 isl_multi_pw_aff_free(mpa
);
138 isl_multi_pw_aff_free(mpa2
);
140 return isl_stat_error
;
142 isl_die(ctx
, isl_error_unknown
,
143 "parsed function not equal to original",
144 return isl_stat_error
);
149 /* String descriptions of multi piecewise affine expressions
150 * that are used for testing printing and parsing.
152 const char *parse_multi_mpa_tests
[] = {
153 "{ A[x, y] -> [] : x + y >= 0 }",
154 "{ A[x, y] -> B[] : x + y >= 0 }",
155 "{ A[x, y] -> [x] : x + y >= 0 }",
156 "[N] -> { A[x, y] -> [x] : x + y <= N }",
157 "{ A[x, y] -> [x, y] : x + y >= 0 }",
158 "{ A[x, y] -> [(x : x >= 0), (y : y >= 0)] : x + y >= 0 }",
159 "[N] -> { [] : N >= 0 }",
160 "[N] -> { [] : N >= 0 }",
161 "[N] -> { [N] : N >= 0 }",
162 "[N] -> { [N, N + 1] : N >= 0 }",
163 "[N, M] -> { [(N : N >= 0), (M : M >= 0)] : N + M >= 0 }",
166 /* Test parsing of multi piecewise affine expressions by printing
167 * the expressions and checking that parsing the output results
168 * in the same expression.
169 * Do this for a couple of manually constructed expressions and
170 * a set of expressions parsed from strings.
172 static int test_parse_mpa(isl_ctx
*ctx
)
177 isl_multi_pw_aff
*mpa
;
180 space
= isl_space_set_alloc(ctx
, 0, 0);
181 space
= isl_space_set_tuple_name(space
, isl_dim_set
, "A");
182 mpa
= isl_multi_pw_aff_zero(space
);
183 r
= check_reparse_mpa(ctx
, mpa
);
187 space
= isl_space_set_alloc(ctx
, 1, 0);
188 space
= isl_space_set_dim_name(space
, isl_dim_param
, 0, "N");
189 space
= isl_space_set_tuple_name(space
, isl_dim_set
, "A");
190 dom
= isl_set_universe(isl_space_params(isl_space_copy(space
)));
191 dom
= isl_set_lower_bound_si(dom
, isl_dim_param
, 0, 5);
192 mpa
= isl_multi_pw_aff_zero(space
);
193 mpa
= isl_multi_pw_aff_intersect_domain(mpa
, dom
);
194 r
= check_reparse_mpa(ctx
, mpa
);
198 for (i
= 0; i
< ARRAY_SIZE(parse_multi_mpa_tests
); ++i
) {
201 str
= parse_multi_mpa_tests
[i
];
202 mpa
= isl_multi_pw_aff_read_from_str(ctx
, str
);
203 r
= check_reparse_mpa(ctx
, mpa
);
211 /* Check that printing "mupa" and parsing the output results
212 * in the same expression.
214 static isl_stat
check_reparse_mupa(isl_ctx
*ctx
,
215 __isl_take isl_multi_union_pw_aff
*mupa
)
219 isl_multi_union_pw_aff
*mupa2
;
221 str
= isl_multi_union_pw_aff_to_str(mupa
);
222 mupa2
= isl_multi_union_pw_aff_read_from_str(ctx
, str
);
224 equal
= isl_multi_union_pw_aff_plain_is_equal(mupa
, mupa2
);
225 isl_multi_union_pw_aff_free(mupa
);
226 isl_multi_union_pw_aff_free(mupa2
);
228 return isl_stat_error
;
230 isl_die(ctx
, isl_error_unknown
,
231 "parsed function not equal to original",
232 return isl_stat_error
);
237 /* String descriptions of multi union piecewise affine expressions
238 * that are used for testing printing and parsing.
240 const char *parse_multi_mupa_tests
[] = {
244 "(A[] : { S[x] : x > 0; T[y] : y >= 0 })",
246 "[N] -> (A[] : { })",
247 "[N] -> (A[] : { : N >= 0 })",
248 "[N] -> (A[] : { S[x] : x > N; T[y] : y >= 0 })",
249 "(A[] : [N] -> { S[x] : x > N; T[y] : y >= 0 })",
250 "A[{ S[x] -> [x + 1]; T[x] -> [x] }]",
251 "(A[{ S[x] -> [x + 1]; T[x] -> [x] }] : "
252 "{ S[x] : x > 0; T[y] : y >= 0 })",
255 /* Test parsing of multi union piecewise affine expressions by printing
256 * the expressions and checking that parsing the output results
257 * in the same expression.
258 * Do this for a couple of manually constructed expressions and
259 * a set of expressions parsed from strings.
261 static int test_parse_mupa(isl_ctx
*ctx
)
265 isl_multi_union_pw_aff
*mupa
;
270 space
= isl_space_set_alloc(ctx
, 0, 0);
271 space
= isl_space_set_tuple_name(space
, isl_dim_set
, "A");
272 mupa
= isl_multi_union_pw_aff_zero(space
);
273 r
= check_reparse_mupa(ctx
, mupa
);
277 space
= isl_space_set_alloc(ctx
, 1, 0);
278 space
= isl_space_set_dim_name(space
, isl_dim_param
, 0, "N");
279 space
= isl_space_set_tuple_name(space
, isl_dim_set
, "A");
280 dom
= isl_set_universe(space
);
281 dom
= isl_set_lower_bound_si(dom
, isl_dim_param
, 0, 5);
282 uset
= isl_union_set_from_set(dom
);
283 space
= isl_space_set_alloc(ctx
, 1, 0);
284 space
= isl_space_set_dim_name(space
, isl_dim_param
, 0, "N");
285 space
= isl_space_set_tuple_name(space
, isl_dim_set
, "B");
286 mupa
= isl_multi_union_pw_aff_zero(space
);
287 mupa
= isl_multi_union_pw_aff_intersect_domain(mupa
, uset
);
288 r
= check_reparse_mupa(ctx
, mupa
);
292 for (i
= 0; i
< ARRAY_SIZE(parse_multi_mupa_tests
); ++i
) {
295 str
= parse_multi_mupa_tests
[i
];
296 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
, str
);
297 r
= check_reparse_mupa(ctx
, mupa
);
305 /* Test parsing of multi expressions.
307 static int test_parse_multi(isl_ctx
*ctx
)
309 if (test_parse_mpa(ctx
) < 0)
311 if (test_parse_mupa(ctx
) < 0)
317 /* Pairs of binary relation representations that should represent
318 * the same binary relations.
323 } parse_map_equal_tests
[] = {
324 { "{ [x,y] : [([x/2]+y)/3] >= 1 }",
325 "{ [x, y] : 2y >= 6 - x }" },
326 { "{ [x,y] : x <= min(y, 2*y+3) }",
327 "{ [x,y] : x <= y, 2*y + 3 }" },
328 { "{ [x,y] : x >= min(y, 2*y+3) }",
329 "{ [x, y] : (y <= x and y >= -3) or (2y <= -3 + x and y <= -4) }" },
330 { "[n] -> { [c1] : c1>=0 and c1<=floord(n-4,3) }",
331 "[n] -> { [c1] : c1 >= 0 and 3c1 <= -4 + n }" },
332 { "{ [i,j] -> [i] : i < j; [i,j] -> [j] : j <= i }",
333 "{ [i,j] -> [min(i,j)] }" },
334 { "{ [i,j] : i != j }",
335 "{ [i,j] : i < j or i > j }" },
336 { "{ [i,j] : (i+1)*2 >= j }",
337 "{ [i, j] : j <= 2 + 2i }" },
338 { "{ [i] -> [i > 0 ? 4 : 5] }",
339 "{ [i] -> [5] : i <= 0; [i] -> [4] : i >= 1 }" },
340 { "[N=2,M] -> { [i=[(M+N)/4]] }",
341 "[N, M] -> { [i] : N = 2 and 4i <= 2 + M and 4i >= -1 + M }" },
342 { "{ [x] : x >= 0 }",
343 "{ [x] : x-0 >= 0 }" },
344 { "{ [i] : ((i > 10)) }",
345 "{ [i] : i >= 11 }" },
347 "{ [i] -> [0 * i] }" },
348 { "{ [a] -> [b] : (not false) }",
349 "{ [a] -> [b] : true }" },
350 { "{ [i] : i/2 <= 5 }",
351 "{ [i] : i <= 10 }" },
352 { "{Sym=[n] [i] : i <= n }",
353 "[n] -> { [i] : i <= n }" },
356 { "{ [i] : 2*floor(i/2) = i }",
357 "{ [i] : exists a : i = 2 a }" },
358 { "{ [a] -> [b] : a = 5 implies b = 5 }",
359 "{ [a] -> [b] : a != 5 or b = 5 }" },
360 { "{ [a] -> [a - 1 : a > 0] }",
361 "{ [a] -> [a - 1] : a > 0 }" },
362 { "{ [a] -> [a - 1 : a > 0; a : a <= 0] }",
363 "{ [a] -> [a - 1] : a > 0; [a] -> [a] : a <= 0 }" },
364 { "{ [a] -> [(a) * 2 : a >= 0; 0 : a < 0] }",
365 "{ [a] -> [2a] : a >= 0; [a] -> [0] : a < 0 }" },
366 { "{ [a] -> [(a * 2) : a >= 0; 0 : a < 0] }",
367 "{ [a] -> [2a] : a >= 0; [a] -> [0] : a < 0 }" },
368 { "{ [a] -> [(a * 2 : a >= 0); 0 : a < 0] }",
369 "{ [a] -> [2a] : a >= 0; [a] -> [0] : a < 0 }" },
370 { "{ [a] -> [(a * 2 : a >= 0; 0 : a < 0)] }",
371 "{ [a] -> [2a] : a >= 0; [a] -> [0] : a < 0 }" },
372 { "{ [a,b] -> [i,j] : a,b << i,j }",
373 "{ [a,b] -> [i,j] : a < i or (a = i and b < j) }" },
374 { "{ [a,b] -> [i,j] : a,b <<= i,j }",
375 "{ [a,b] -> [i,j] : a < i or (a = i and b <= j) }" },
376 { "{ [a,b] -> [i,j] : a,b >> i,j }",
377 "{ [a,b] -> [i,j] : a > i or (a = i and b > j) }" },
378 { "{ [a,b] -> [i,j] : a,b >>= i,j }",
379 "{ [a,b] -> [i,j] : a > i or (a = i and b >= j) }" },
380 { "{ [n] -> [i] : exists (a, b, c: 8b <= i - 32a and "
381 "8b >= -7 + i - 32 a and b >= 0 and b <= 3 and "
382 "8c < n - 32a and i < n and c >= 0 and "
383 "c <= 3 and c >= -4a) }",
384 "{ [n] -> [i] : 0 <= i < n }" },
385 { "{ [x] -> [] : exists (a, b: 0 <= a <= 1 and 0 <= b <= 3 and "
386 "2b <= x - 8a and 2b >= -1 + x - 8a) }",
387 "{ [x] -> [] : 0 <= x <= 15 }" },
388 { "{ [x] -> [x] : }",
392 int test_parse(struct isl_ctx
*ctx
)
396 const char *str
, *str2
;
398 if (test_parse_multi_val(ctx
, "{ A[B[2] -> C[5, 7]] }") < 0)
400 if (test_parse_multi_val(ctx
, "[n] -> { [2] }") < 0)
402 if (test_parse_multi_val(ctx
, "{ A[4, infty, NaN, -1/2, 2/3] }") < 0)
404 if (test_parse_multi(ctx
) < 0)
407 str
= "{ [i] -> [-i] }";
408 map
= isl_map_read_from_str(ctx
, str
);
412 str
= "{ A[i] -> L[([i/3])] }";
413 map
= isl_map_read_from_str(ctx
, str
);
417 test_parse_map(ctx
, "{[[s] -> A[i]] -> [[s+1] -> A[i]]}");
418 test_parse_map(ctx
, "{ [p1, y1, y2] -> [2, y1, y2] : "
419 "p1 = 1 && (y1 <= y2 || y2 = 0) }");
421 for (i
= 0; i
< ARRAY_SIZE(parse_map_equal_tests
); ++i
) {
422 str
= parse_map_equal_tests
[i
].map1
;
423 str2
= parse_map_equal_tests
[i
].map2
;
424 if (test_parse_map_equal(ctx
, str
, str2
) < 0)
428 str
= "{[new,old] -> [new+1-2*[(new+1)/2],old+1-2*[(old+1)/2]]}";
429 map
= isl_map_read_from_str(ctx
, str
);
430 str
= "{ [new, old] -> [o0, o1] : "
431 "exists (e0 = [(-1 - new + o0)/2], e1 = [(-1 - old + o1)/2]: "
432 "2e0 = -1 - new + o0 and 2e1 = -1 - old + o1 and o0 >= 0 and "
433 "o0 <= 1 and o1 >= 0 and o1 <= 1) }";
434 map2
= isl_map_read_from_str(ctx
, str
);
435 assert(isl_map_is_equal(map
, map2
));
439 str
= "{[new,old] -> [new+1-2*[(new+1)/2],old+1-2*[(old+1)/2]]}";
440 map
= isl_map_read_from_str(ctx
, str
);
441 str
= "{[new,old] -> [(new+1)%2,(old+1)%2]}";
442 map2
= isl_map_read_from_str(ctx
, str
);
443 assert(isl_map_is_equal(map
, map2
));
447 test_parse_pwqp(ctx
, "{ [i] -> i + [ (i + [i/3])/2 ] }");
448 test_parse_map(ctx
, "{ S1[i] -> [([i/10]),i%10] : 0 <= i <= 45 }");
449 test_parse_pwaff(ctx
, "{ [i] -> [i + 1] : i > 0; [a] -> [a] : a < 0 }");
450 test_parse_pwqp(ctx
, "{ [x] -> ([(x)/2] * [(x)/3]) }");
451 test_parse_pwaff(ctx
, "{ [] -> [(100)] }");
456 static int test_read(isl_ctx
*ctx
)
460 isl_basic_set
*bset1
, *bset2
;
461 const char *str
= "{[y]: Exists ( alpha : 2alpha = y)}";
464 filename
= get_filename(ctx
, "set", "omega");
466 input
= fopen(filename
, "r");
469 bset1
= isl_basic_set_read_from_file(ctx
, input
);
470 bset2
= isl_basic_set_read_from_str(ctx
, str
);
472 equal
= isl_basic_set_is_equal(bset1
, bset2
);
474 isl_basic_set_free(bset1
);
475 isl_basic_set_free(bset2
);
483 isl_die(ctx
, isl_error_unknown
,
484 "read sets not equal", return -1);
489 static int test_bounded(isl_ctx
*ctx
)
494 set
= isl_set_read_from_str(ctx
, "[n] -> {[i] : 0 <= i <= n }");
495 bounded
= isl_set_is_bounded(set
);
501 isl_die(ctx
, isl_error_unknown
,
502 "set not considered bounded", return -1);
504 set
= isl_set_read_from_str(ctx
, "{[n, i] : 0 <= i <= n }");
505 bounded
= isl_set_is_bounded(set
);
512 isl_die(ctx
, isl_error_unknown
,
513 "set considered bounded", return -1);
515 set
= isl_set_read_from_str(ctx
, "[n] -> {[i] : i <= n }");
516 bounded
= isl_set_is_bounded(set
);
522 isl_die(ctx
, isl_error_unknown
,
523 "set considered bounded", return -1);
528 /* Construct the basic set { [i] : 5 <= i <= N } */
529 static int test_construction_1(isl_ctx
*ctx
)
536 dim
= isl_space_set_alloc(ctx
, 1, 1);
537 bset
= isl_basic_set_universe(isl_space_copy(dim
));
538 ls
= isl_local_space_from_space(dim
);
540 c
= isl_constraint_alloc_inequality(isl_local_space_copy(ls
));
541 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
542 c
= isl_constraint_set_coefficient_si(c
, isl_dim_param
, 0, 1);
543 bset
= isl_basic_set_add_constraint(bset
, c
);
545 c
= isl_constraint_alloc_inequality(isl_local_space_copy(ls
));
546 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, 1);
547 c
= isl_constraint_set_constant_si(c
, -5);
548 bset
= isl_basic_set_add_constraint(bset
, c
);
550 isl_local_space_free(ls
);
551 isl_basic_set_free(bset
);
556 /* Construct the basic set { [x] : -100 <= x <= 100 }
557 * using isl_basic_set_{lower,upper}_bound_val and
558 * check that it is equal the same basic set parsed from a string.
560 static int test_construction_2(isl_ctx
*ctx
)
565 isl_basic_set
*bset1
, *bset2
;
567 v
= isl_val_int_from_si(ctx
, 100);
568 space
= isl_space_set_alloc(ctx
, 0, 1);
569 bset1
= isl_basic_set_universe(space
);
570 bset1
= isl_basic_set_upper_bound_val(bset1
, isl_dim_set
, 0,
572 bset1
= isl_basic_set_lower_bound_val(bset1
, isl_dim_set
, 0,
574 bset2
= isl_basic_set_read_from_str(ctx
, "{ [x] : -100 <= x <= 100 }");
575 equal
= isl_basic_set_is_equal(bset1
, bset2
);
576 isl_basic_set_free(bset1
);
577 isl_basic_set_free(bset2
);
582 isl_die(ctx
, isl_error_unknown
,
583 "failed construction", return -1);
588 /* Basic tests for constructing basic sets.
590 static int test_construction(isl_ctx
*ctx
)
592 if (test_construction_1(ctx
) < 0)
594 if (test_construction_2(ctx
) < 0)
599 static int test_dim(isl_ctx
*ctx
)
602 isl_map
*map1
, *map2
;
605 map1
= isl_map_read_from_str(ctx
,
606 "[n] -> { [i] -> [j] : exists (a = [i/10] : i - 10a <= n ) }");
607 map1
= isl_map_add_dims(map1
, isl_dim_in
, 1);
608 map2
= isl_map_read_from_str(ctx
,
609 "[n] -> { [i,k] -> [j] : exists (a = [i/10] : i - 10a <= n ) }");
610 equal
= isl_map_is_equal(map1
, map2
);
613 map1
= isl_map_project_out(map1
, isl_dim_in
, 0, 1);
614 map2
= isl_map_read_from_str(ctx
, "[n] -> { [i] -> [j] : n >= 0 }");
615 if (equal
>= 0 && equal
)
616 equal
= isl_map_is_equal(map1
, map2
);
624 isl_die(ctx
, isl_error_unknown
,
625 "unexpected result", return -1);
627 str
= "[n] -> { [i] -> [] : exists a : 0 <= i <= n and i = 2 a }";
628 map1
= isl_map_read_from_str(ctx
, str
);
629 str
= "{ [i] -> [j] : exists a : 0 <= i <= j and i = 2 a }";
630 map2
= isl_map_read_from_str(ctx
, str
);
631 map1
= isl_map_move_dims(map1
, isl_dim_out
, 0, isl_dim_param
, 0, 1);
632 equal
= isl_map_is_equal(map1
, map2
);
639 isl_die(ctx
, isl_error_unknown
,
640 "unexpected result", return -1);
645 /* Check that "val" is equal to the value described by "str".
646 * If "str" is "NaN", then check for a NaN value explicitly.
648 static isl_stat
val_check_equal(__isl_keep isl_val
*val
, const char *str
)
655 return isl_stat_error
;
657 ctx
= isl_val_get_ctx(val
);
658 res
= isl_val_read_from_str(ctx
, str
);
659 is_nan
= isl_val_is_nan(res
);
663 ok
= isl_val_is_nan(val
);
665 ok
= isl_val_eq(val
, res
);
668 return isl_stat_error
;
670 isl_die(ctx
, isl_error_unknown
,
671 "unexpected result", return isl_stat_error
);
676 __isl_give isl_val
*(*op
)(__isl_take isl_val
*v
);
680 { &isl_val_neg
, "0", "0" },
681 { &isl_val_abs
, "0", "0" },
682 { &isl_val_pow2
, "0", "1" },
683 { &isl_val_floor
, "0", "0" },
684 { &isl_val_ceil
, "0", "0" },
685 { &isl_val_neg
, "1", "-1" },
686 { &isl_val_neg
, "-1", "1" },
687 { &isl_val_neg
, "1/2", "-1/2" },
688 { &isl_val_neg
, "-1/2", "1/2" },
689 { &isl_val_neg
, "infty", "-infty" },
690 { &isl_val_neg
, "-infty", "infty" },
691 { &isl_val_neg
, "NaN", "NaN" },
692 { &isl_val_abs
, "1", "1" },
693 { &isl_val_abs
, "-1", "1" },
694 { &isl_val_abs
, "1/2", "1/2" },
695 { &isl_val_abs
, "-1/2", "1/2" },
696 { &isl_val_abs
, "infty", "infty" },
697 { &isl_val_abs
, "-infty", "infty" },
698 { &isl_val_abs
, "NaN", "NaN" },
699 { &isl_val_floor
, "1", "1" },
700 { &isl_val_floor
, "-1", "-1" },
701 { &isl_val_floor
, "1/2", "0" },
702 { &isl_val_floor
, "-1/2", "-1" },
703 { &isl_val_floor
, "infty", "infty" },
704 { &isl_val_floor
, "-infty", "-infty" },
705 { &isl_val_floor
, "NaN", "NaN" },
706 { &isl_val_ceil
, "1", "1" },
707 { &isl_val_ceil
, "-1", "-1" },
708 { &isl_val_ceil
, "1/2", "1" },
709 { &isl_val_ceil
, "-1/2", "0" },
710 { &isl_val_ceil
, "infty", "infty" },
711 { &isl_val_ceil
, "-infty", "-infty" },
712 { &isl_val_ceil
, "NaN", "NaN" },
713 { &isl_val_pow2
, "-3", "1/8" },
714 { &isl_val_pow2
, "-1", "1/2" },
715 { &isl_val_pow2
, "1", "2" },
716 { &isl_val_pow2
, "2", "4" },
717 { &isl_val_pow2
, "3", "8" },
718 { &isl_val_inv
, "1", "1" },
719 { &isl_val_inv
, "2", "1/2" },
720 { &isl_val_inv
, "1/2", "2" },
721 { &isl_val_inv
, "-2", "-1/2" },
722 { &isl_val_inv
, "-1/2", "-2" },
723 { &isl_val_inv
, "0", "NaN" },
724 { &isl_val_inv
, "NaN", "NaN" },
725 { &isl_val_inv
, "infty", "0" },
726 { &isl_val_inv
, "-infty", "0" },
729 /* Perform some basic tests of unary operations on isl_val objects.
731 static int test_un_val(isl_ctx
*ctx
)
735 __isl_give isl_val
*(*fn
)(__isl_take isl_val
*v
);
737 for (i
= 0; i
< ARRAY_SIZE(val_un_tests
); ++i
) {
740 v
= isl_val_read_from_str(ctx
, val_un_tests
[i
].arg
);
741 fn
= val_un_tests
[i
].op
;
743 r
= val_check_equal(v
, val_un_tests
[i
].res
);
753 __isl_give isl_val
*(*fn
)(__isl_take isl_val
*v1
,
754 __isl_take isl_val
*v2
);
756 ['+'] = { &isl_val_add
},
757 ['-'] = { &isl_val_sub
},
758 ['*'] = { &isl_val_mul
},
759 ['/'] = { &isl_val_div
},
760 ['g'] = { &isl_val_gcd
},
761 ['m'] = { &isl_val_min
},
762 ['M'] = { &isl_val_max
},
770 } val_bin_tests
[] = {
771 { "0", '+', "0", "0" },
772 { "1", '+', "0", "1" },
773 { "1", '+', "1", "2" },
774 { "1", '-', "1", "0" },
775 { "1", '*', "1", "1" },
776 { "1", '/', "1", "1" },
777 { "2", '*', "3", "6" },
778 { "2", '*', "1/2", "1" },
779 { "2", '*', "1/3", "2/3" },
780 { "2/3", '*', "3/5", "2/5" },
781 { "2/3", '*', "7/5", "14/15" },
782 { "2", '/', "1/2", "4" },
783 { "-2", '/', "-1/2", "4" },
784 { "-2", '/', "1/2", "-4" },
785 { "2", '/', "-1/2", "-4" },
786 { "2", '/', "2", "1" },
787 { "2", '/', "3", "2/3" },
788 { "2/3", '/', "5/3", "2/5" },
789 { "2/3", '/', "5/7", "14/15" },
790 { "0", '/', "0", "NaN" },
791 { "42", '/', "0", "NaN" },
792 { "-42", '/', "0", "NaN" },
793 { "infty", '/', "0", "NaN" },
794 { "-infty", '/', "0", "NaN" },
795 { "NaN", '/', "0", "NaN" },
796 { "0", '/', "NaN", "NaN" },
797 { "42", '/', "NaN", "NaN" },
798 { "-42", '/', "NaN", "NaN" },
799 { "infty", '/', "NaN", "NaN" },
800 { "-infty", '/', "NaN", "NaN" },
801 { "NaN", '/', "NaN", "NaN" },
802 { "0", '/', "infty", "0" },
803 { "42", '/', "infty", "0" },
804 { "-42", '/', "infty", "0" },
805 { "infty", '/', "infty", "NaN" },
806 { "-infty", '/', "infty", "NaN" },
807 { "NaN", '/', "infty", "NaN" },
808 { "0", '/', "-infty", "0" },
809 { "42", '/', "-infty", "0" },
810 { "-42", '/', "-infty", "0" },
811 { "infty", '/', "-infty", "NaN" },
812 { "-infty", '/', "-infty", "NaN" },
813 { "NaN", '/', "-infty", "NaN" },
814 { "1", '-', "1/3", "2/3" },
815 { "1/3", '+', "1/2", "5/6" },
816 { "1/2", '+', "1/2", "1" },
817 { "3/4", '-', "1/4", "1/2" },
818 { "1/2", '-', "1/3", "1/6" },
819 { "infty", '+', "42", "infty" },
820 { "infty", '+', "infty", "infty" },
821 { "42", '+', "infty", "infty" },
822 { "infty", '-', "infty", "NaN" },
823 { "infty", '*', "infty", "infty" },
824 { "infty", '*', "-infty", "-infty" },
825 { "-infty", '*', "infty", "-infty" },
826 { "-infty", '*', "-infty", "infty" },
827 { "0", '*', "infty", "NaN" },
828 { "1", '*', "infty", "infty" },
829 { "infty", '*', "0", "NaN" },
830 { "infty", '*', "42", "infty" },
831 { "42", '-', "infty", "-infty" },
832 { "infty", '+', "-infty", "NaN" },
833 { "4", 'g', "6", "2" },
834 { "5", 'g', "6", "1" },
835 { "42", 'm', "3", "3" },
836 { "42", 'M', "3", "42" },
837 { "3", 'm', "42", "3" },
838 { "3", 'M', "42", "42" },
839 { "42", 'm', "infty", "42" },
840 { "42", 'M', "infty", "infty" },
841 { "42", 'm', "-infty", "-infty" },
842 { "42", 'M', "-infty", "42" },
843 { "42", 'm', "NaN", "NaN" },
844 { "42", 'M', "NaN", "NaN" },
845 { "infty", 'm', "-infty", "-infty" },
846 { "infty", 'M', "-infty", "infty" },
849 /* Perform some basic tests of binary operations on isl_val objects.
851 static int test_bin_val(isl_ctx
*ctx
)
854 isl_val
*v1
, *v2
, *res
;
855 __isl_give isl_val
*(*fn
)(__isl_take isl_val
*v1
,
856 __isl_take isl_val
*v2
);
859 for (i
= 0; i
< ARRAY_SIZE(val_bin_tests
); ++i
) {
860 v1
= isl_val_read_from_str(ctx
, val_bin_tests
[i
].arg1
);
861 v2
= isl_val_read_from_str(ctx
, val_bin_tests
[i
].arg2
);
862 res
= isl_val_read_from_str(ctx
, val_bin_tests
[i
].res
);
863 fn
= val_bin_op
[val_bin_tests
[i
].op
].fn
;
865 if (isl_val_is_nan(res
))
866 ok
= isl_val_is_nan(v1
);
868 ok
= isl_val_eq(v1
, res
);
874 isl_die(ctx
, isl_error_unknown
,
875 "unexpected result", return -1);
881 /* Perform some basic tests on isl_val objects.
883 static int test_val(isl_ctx
*ctx
)
885 if (test_un_val(ctx
) < 0)
887 if (test_bin_val(ctx
) < 0)
892 /* Sets described using existentially quantified variables that
893 * can also be described without.
895 static const char *elimination_tests
[] = {
896 "{ [i,j] : 2 * [i/2] + 3 * [j/4] <= 10 and 2 i = j }",
897 "{ [m, w] : exists a : w - 2m - 5 <= 3a <= m - 2w }",
898 "{ [m, w] : exists a : w >= 0 and a < m and -1 + w <= a <= 2m - w }",
901 /* Check that redundant existentially quantified variables are
904 static int test_elimination(isl_ctx
*ctx
)
910 for (i
= 0; i
< ARRAY_SIZE(elimination_tests
); ++i
) {
911 bset
= isl_basic_set_read_from_str(ctx
, elimination_tests
[i
]);
912 n
= isl_basic_set_dim(bset
, isl_dim_div
);
913 isl_basic_set_free(bset
);
917 isl_die(ctx
, isl_error_unknown
,
918 "expecting no existentials", return -1);
924 static int test_div(isl_ctx
*ctx
)
931 struct isl_basic_set
*bset
;
932 struct isl_constraint
*c
;
935 dim
= isl_space_set_alloc(ctx
, 0, 3);
936 bset
= isl_basic_set_universe(isl_space_copy(dim
));
937 ls
= isl_local_space_from_space(dim
);
939 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
940 c
= isl_constraint_set_constant_si(c
, -1);
941 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, 1);
942 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 1, 3);
943 bset
= isl_basic_set_add_constraint(bset
, c
);
945 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
946 c
= isl_constraint_set_constant_si(c
, 1);
947 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
948 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, 3);
949 bset
= isl_basic_set_add_constraint(bset
, c
);
951 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 1, 2);
953 assert(bset
&& bset
->n_div
== 1);
954 isl_local_space_free(ls
);
955 isl_basic_set_free(bset
);
958 dim
= isl_space_set_alloc(ctx
, 0, 3);
959 bset
= isl_basic_set_universe(isl_space_copy(dim
));
960 ls
= isl_local_space_from_space(dim
);
962 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
963 c
= isl_constraint_set_constant_si(c
, 1);
964 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
965 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 1, 3);
966 bset
= isl_basic_set_add_constraint(bset
, c
);
968 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
969 c
= isl_constraint_set_constant_si(c
, -1);
970 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, 1);
971 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, 3);
972 bset
= isl_basic_set_add_constraint(bset
, c
);
974 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 1, 2);
976 assert(bset
&& bset
->n_div
== 1);
977 isl_local_space_free(ls
);
978 isl_basic_set_free(bset
);
981 dim
= isl_space_set_alloc(ctx
, 0, 3);
982 bset
= isl_basic_set_universe(isl_space_copy(dim
));
983 ls
= isl_local_space_from_space(dim
);
985 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
986 c
= isl_constraint_set_constant_si(c
, 1);
987 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
988 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 1, 3);
989 bset
= isl_basic_set_add_constraint(bset
, c
);
991 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
992 c
= isl_constraint_set_constant_si(c
, -3);
993 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, 1);
994 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, 4);
995 bset
= isl_basic_set_add_constraint(bset
, c
);
997 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 1, 2);
999 assert(bset
&& bset
->n_div
== 1);
1000 isl_local_space_free(ls
);
1001 isl_basic_set_free(bset
);
1004 dim
= isl_space_set_alloc(ctx
, 0, 3);
1005 bset
= isl_basic_set_universe(isl_space_copy(dim
));
1006 ls
= isl_local_space_from_space(dim
);
1008 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1009 c
= isl_constraint_set_constant_si(c
, 2);
1010 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
1011 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 1, 3);
1012 bset
= isl_basic_set_add_constraint(bset
, c
);
1014 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1015 c
= isl_constraint_set_constant_si(c
, -1);
1016 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, 1);
1017 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, 6);
1018 bset
= isl_basic_set_add_constraint(bset
, c
);
1020 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 1, 2);
1022 assert(isl_basic_set_is_empty(bset
));
1023 isl_local_space_free(ls
);
1024 isl_basic_set_free(bset
);
1027 dim
= isl_space_set_alloc(ctx
, 0, 3);
1028 bset
= isl_basic_set_universe(isl_space_copy(dim
));
1029 ls
= isl_local_space_from_space(dim
);
1031 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1032 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
1033 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, 3);
1034 bset
= isl_basic_set_add_constraint(bset
, c
);
1036 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1037 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, 1);
1038 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 1, -3);
1039 bset
= isl_basic_set_add_constraint(bset
, c
);
1041 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 2, 1);
1043 assert(bset
&& bset
->n_div
== 0);
1044 isl_basic_set_free(bset
);
1045 isl_local_space_free(ls
);
1048 dim
= isl_space_set_alloc(ctx
, 0, 3);
1049 bset
= isl_basic_set_universe(isl_space_copy(dim
));
1050 ls
= isl_local_space_from_space(dim
);
1052 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1053 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
1054 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, 6);
1055 bset
= isl_basic_set_add_constraint(bset
, c
);
1057 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1058 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, 1);
1059 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 1, -3);
1060 bset
= isl_basic_set_add_constraint(bset
, c
);
1062 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 2, 1);
1064 assert(bset
&& bset
->n_div
== 1);
1065 isl_basic_set_free(bset
);
1066 isl_local_space_free(ls
);
1069 /* This test is a bit tricky. We set up an equality
1070 * a + 3b + 3c = 6 e0
1071 * Normalization of divs creates _two_ divs
1074 * Afterwards e0 is removed again because it has coefficient -1
1075 * and we end up with the original equality and div again.
1076 * Perhaps we can avoid the introduction of this temporary div.
1078 dim
= isl_space_set_alloc(ctx
, 0, 4);
1079 bset
= isl_basic_set_universe(isl_space_copy(dim
));
1080 ls
= isl_local_space_from_space(dim
);
1082 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1083 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
1084 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 1, -3);
1085 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, -3);
1086 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 3, 6);
1087 bset
= isl_basic_set_add_constraint(bset
, c
);
1089 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 3, 1);
1091 /* Test disabled for now */
1093 assert(bset && bset->n_div == 1);
1095 isl_local_space_free(ls
);
1096 isl_basic_set_free(bset
);
1099 dim
= isl_space_set_alloc(ctx
, 0, 5);
1100 bset
= isl_basic_set_universe(isl_space_copy(dim
));
1101 ls
= isl_local_space_from_space(dim
);
1103 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1104 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
1105 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 1, -3);
1106 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 3, -3);
1107 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 4, 6);
1108 bset
= isl_basic_set_add_constraint(bset
, c
);
1110 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1111 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
1112 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, 1);
1113 c
= isl_constraint_set_constant_si(c
, 1);
1114 bset
= isl_basic_set_add_constraint(bset
, c
);
1116 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 4, 1);
1118 /* Test disabled for now */
1120 assert(bset && bset->n_div == 1);
1122 isl_local_space_free(ls
);
1123 isl_basic_set_free(bset
);
1126 dim
= isl_space_set_alloc(ctx
, 0, 4);
1127 bset
= isl_basic_set_universe(isl_space_copy(dim
));
1128 ls
= isl_local_space_from_space(dim
);
1130 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1131 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, 1);
1132 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 1, -1);
1133 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, -2);
1134 bset
= isl_basic_set_add_constraint(bset
, c
);
1136 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1137 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, -1);
1138 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 3, 3);
1139 c
= isl_constraint_set_constant_si(c
, 2);
1140 bset
= isl_basic_set_add_constraint(bset
, c
);
1142 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 2, 2);
1144 bset
= isl_basic_set_fix_si(bset
, isl_dim_set
, 0, 2);
1146 assert(!isl_basic_set_is_empty(bset
));
1148 isl_local_space_free(ls
);
1149 isl_basic_set_free(bset
);
1152 dim
= isl_space_set_alloc(ctx
, 0, 3);
1153 bset
= isl_basic_set_universe(isl_space_copy(dim
));
1154 ls
= isl_local_space_from_space(dim
);
1156 c
= isl_constraint_alloc_equality(isl_local_space_copy(ls
));
1157 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 0, 1);
1158 c
= isl_constraint_set_coefficient_si(c
, isl_dim_set
, 2, -2);
1159 bset
= isl_basic_set_add_constraint(bset
, c
);
1161 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 2, 1);
1163 bset
= isl_basic_set_fix_si(bset
, isl_dim_set
, 0, 2);
1165 isl_local_space_free(ls
);
1166 isl_basic_set_free(bset
);
1168 str
= "{ [i] : exists (e0, e1: 3e1 >= 1 + 2e0 and "
1169 "8e1 <= -1 + 5i - 5e0 and 2e1 >= 1 + 2i - 5e0) }";
1170 set
= isl_set_read_from_str(ctx
, str
);
1171 set
= isl_set_compute_divs(set
);
1176 if (test_elimination(ctx
) < 0)
1179 str
= "{ [i,j,k] : 3 + i + 2j >= 0 and 2 * [(i+2j)/4] <= k }";
1180 set
= isl_set_read_from_str(ctx
, str
);
1181 set
= isl_set_remove_divs_involving_dims(set
, isl_dim_set
, 0, 2);
1182 set
= isl_set_fix_si(set
, isl_dim_set
, 2, -3);
1183 empty
= isl_set_is_empty(set
);
1188 isl_die(ctx
, isl_error_unknown
,
1189 "result not as accurate as expected", return -1);
1194 void test_application_case(struct isl_ctx
*ctx
, const char *name
)
1198 struct isl_basic_set
*bset1
, *bset2
;
1199 struct isl_basic_map
*bmap
;
1201 filename
= get_filename(ctx
, name
, "omega");
1203 input
= fopen(filename
, "r");
1206 bset1
= isl_basic_set_read_from_file(ctx
, input
);
1207 bmap
= isl_basic_map_read_from_file(ctx
, input
);
1209 bset1
= isl_basic_set_apply(bset1
, bmap
);
1211 bset2
= isl_basic_set_read_from_file(ctx
, input
);
1213 assert(isl_basic_set_is_equal(bset1
, bset2
) == 1);
1215 isl_basic_set_free(bset1
);
1216 isl_basic_set_free(bset2
);
1222 static int test_application(isl_ctx
*ctx
)
1224 test_application_case(ctx
, "application");
1225 test_application_case(ctx
, "application2");
1230 void test_affine_hull_case(struct isl_ctx
*ctx
, const char *name
)
1234 struct isl_basic_set
*bset1
, *bset2
;
1236 filename
= get_filename(ctx
, name
, "polylib");
1238 input
= fopen(filename
, "r");
1241 bset1
= isl_basic_set_read_from_file(ctx
, input
);
1242 bset2
= isl_basic_set_read_from_file(ctx
, input
);
1244 bset1
= isl_basic_set_affine_hull(bset1
);
1246 assert(isl_basic_set_is_equal(bset1
, bset2
) == 1);
1248 isl_basic_set_free(bset1
);
1249 isl_basic_set_free(bset2
);
1255 int test_affine_hull(struct isl_ctx
*ctx
)
1259 isl_basic_set
*bset
, *bset2
;
1263 test_affine_hull_case(ctx
, "affine2");
1264 test_affine_hull_case(ctx
, "affine");
1265 test_affine_hull_case(ctx
, "affine3");
1267 str
= "[m] -> { [i0] : exists (e0, e1: e1 <= 1 + i0 and "
1268 "m >= 3 and 4i0 <= 2 + m and e1 >= i0 and "
1269 "e1 >= 0 and e1 <= 2 and e1 >= 1 + 2e0 and "
1270 "2e1 <= 1 + m + 4e0 and 2e1 >= 2 - m + 4i0 - 4e0) }";
1271 set
= isl_set_read_from_str(ctx
, str
);
1272 bset
= isl_set_affine_hull(set
);
1273 n
= isl_basic_set_dim(bset
, isl_dim_div
);
1274 isl_basic_set_free(bset
);
1278 isl_die(ctx
, isl_error_unknown
, "not expecting any divs",
1281 /* Check that isl_map_affine_hull is not confused by
1282 * the reordering of divs in isl_map_align_divs.
1284 str
= "{ [a, b, c, 0] : exists (e0 = [(b)/32], e1 = [(c)/32]: "
1285 "32e0 = b and 32e1 = c); "
1286 "[a, 0, c, 0] : exists (e0 = [(c)/32]: 32e0 = c) }";
1287 set
= isl_set_read_from_str(ctx
, str
);
1288 bset
= isl_set_affine_hull(set
);
1289 isl_basic_set_free(bset
);
1293 str
= "{ [a] : exists e0, e1, e2: 32e1 = 31 + 31a + 31e0 and "
1294 "32e2 = 31 + 31e0 }";
1295 set
= isl_set_read_from_str(ctx
, str
);
1296 bset
= isl_set_affine_hull(set
);
1297 str
= "{ [a] : exists e : a = 32 e }";
1298 bset2
= isl_basic_set_read_from_str(ctx
, str
);
1299 subset
= isl_basic_set_is_subset(bset
, bset2
);
1300 isl_basic_set_free(bset
);
1301 isl_basic_set_free(bset2
);
1305 isl_die(ctx
, isl_error_unknown
, "not as accurate as expected",
1311 /* Pairs of maps and the corresponding expected results of
1312 * isl_map_plain_unshifted_simple_hull.
1317 } plain_unshifted_simple_hull_tests
[] = {
1318 { "{ [i] -> [j] : i >= 1 and j >= 1 or i >= 2 and j <= 10 }",
1319 "{ [i] -> [j] : i >= 1 }" },
1320 { "{ [n] -> [i,j,k] : (i mod 3 = 2 and j mod 4 = 2) or "
1321 "(j mod 4 = 2 and k mod 6 = n) }",
1322 "{ [n] -> [i,j,k] : j mod 4 = 2 }" },
1325 /* Basic tests for isl_map_plain_unshifted_simple_hull.
1327 static int test_plain_unshifted_simple_hull(isl_ctx
*ctx
)
1331 isl_basic_map
*hull
, *expected
;
1334 for (i
= 0; i
< ARRAY_SIZE(plain_unshifted_simple_hull_tests
); ++i
) {
1336 str
= plain_unshifted_simple_hull_tests
[i
].map
;
1337 map
= isl_map_read_from_str(ctx
, str
);
1338 str
= plain_unshifted_simple_hull_tests
[i
].hull
;
1339 expected
= isl_basic_map_read_from_str(ctx
, str
);
1340 hull
= isl_map_plain_unshifted_simple_hull(map
);
1341 equal
= isl_basic_map_is_equal(hull
, expected
);
1342 isl_basic_map_free(hull
);
1343 isl_basic_map_free(expected
);
1347 isl_die(ctx
, isl_error_unknown
, "unexpected hull",
1354 /* Pairs of sets and the corresponding expected results of
1355 * isl_set_unshifted_simple_hull.
1360 } unshifted_simple_hull_tests
[] = {
1361 { "{ [0,x,y] : x <= -1; [1,x,y] : x <= y <= -x; [2,x,y] : x <= 1 }",
1362 "{ [t,x,y] : 0 <= t <= 2 and x <= 1 }" },
1365 /* Basic tests for isl_set_unshifted_simple_hull.
1367 static int test_unshifted_simple_hull(isl_ctx
*ctx
)
1371 isl_basic_set
*hull
, *expected
;
1374 for (i
= 0; i
< ARRAY_SIZE(unshifted_simple_hull_tests
); ++i
) {
1376 str
= unshifted_simple_hull_tests
[i
].set
;
1377 set
= isl_set_read_from_str(ctx
, str
);
1378 str
= unshifted_simple_hull_tests
[i
].hull
;
1379 expected
= isl_basic_set_read_from_str(ctx
, str
);
1380 hull
= isl_set_unshifted_simple_hull(set
);
1381 equal
= isl_basic_set_is_equal(hull
, expected
);
1382 isl_basic_set_free(hull
);
1383 isl_basic_set_free(expected
);
1387 isl_die(ctx
, isl_error_unknown
, "unexpected hull",
1394 static int test_simple_hull(struct isl_ctx
*ctx
)
1398 isl_basic_set
*bset
;
1401 str
= "{ [x, y] : 3y <= 2x and y >= -2 + 2x and 2y >= 2 - x;"
1402 "[y, x] : 3y <= 2x and y >= -2 + 2x and 2y >= 2 - x }";
1403 set
= isl_set_read_from_str(ctx
, str
);
1404 bset
= isl_set_simple_hull(set
);
1405 is_empty
= isl_basic_set_is_empty(bset
);
1406 isl_basic_set_free(bset
);
1408 if (is_empty
== isl_bool_error
)
1411 if (is_empty
== isl_bool_false
)
1412 isl_die(ctx
, isl_error_unknown
, "Empty set should be detected",
1415 if (test_plain_unshifted_simple_hull(ctx
) < 0)
1417 if (test_unshifted_simple_hull(ctx
) < 0)
1423 void test_convex_hull_case(struct isl_ctx
*ctx
, const char *name
)
1427 struct isl_basic_set
*bset1
, *bset2
;
1428 struct isl_set
*set
;
1430 filename
= get_filename(ctx
, name
, "polylib");
1432 input
= fopen(filename
, "r");
1435 bset1
= isl_basic_set_read_from_file(ctx
, input
);
1436 bset2
= isl_basic_set_read_from_file(ctx
, input
);
1438 set
= isl_basic_set_union(bset1
, bset2
);
1439 bset1
= isl_set_convex_hull(set
);
1441 bset2
= isl_basic_set_read_from_file(ctx
, input
);
1443 assert(isl_basic_set_is_equal(bset1
, bset2
) == 1);
1445 isl_basic_set_free(bset1
);
1446 isl_basic_set_free(bset2
);
1455 } convex_hull_tests
[] = {
1456 { "{ [i0, i1, i2] : (i2 = 1 and i0 = 0 and i1 >= 0) or "
1457 "(i0 = 1 and i1 = 0 and i2 = 1) or "
1458 "(i0 = 0 and i1 = 0 and i2 = 0) }",
1459 "{ [i0, i1, i2] : i0 >= 0 and i2 >= i0 and i2 <= 1 and i1 >= 0 }" },
1460 { "[n] -> { [i0, i1, i0] : i0 <= -4 + n; "
1461 "[i0, i0, i2] : n = 6 and i0 >= 0 and i2 <= 7 - i0 and "
1462 "i2 <= 5 and i2 >= 4; "
1463 "[3, i1, 3] : n = 5 and i1 <= 2 and i1 >= 0 }",
1464 "[n] -> { [i0, i1, i2] : i2 <= -1 + n and 2i2 <= -6 + 3n - i0 and "
1465 "i2 <= 5 + i0 and i2 >= i0 }" },
1466 { "{ [x, y] : 3y <= 2x and y >= -2 + 2x and 2y >= 2 - x }",
1467 "{ [x, y] : 1 = 0 }" },
1468 { "{ [x, y, z] : 0 <= x, y, z <= 10; [x, y, 0] : x >= 0 and y > 0; "
1469 "[x, y, 0] : x >= 0 and y < 0 }",
1470 "{ [x, y, z] : x >= 0 and 0 <= z <= 10 }" },
1473 static int test_convex_hull_algo(isl_ctx
*ctx
, int convex
)
1476 int orig_convex
= ctx
->opt
->convex
;
1477 ctx
->opt
->convex
= convex
;
1479 test_convex_hull_case(ctx
, "convex0");
1480 test_convex_hull_case(ctx
, "convex1");
1481 test_convex_hull_case(ctx
, "convex2");
1482 test_convex_hull_case(ctx
, "convex3");
1483 test_convex_hull_case(ctx
, "convex4");
1484 test_convex_hull_case(ctx
, "convex5");
1485 test_convex_hull_case(ctx
, "convex6");
1486 test_convex_hull_case(ctx
, "convex7");
1487 test_convex_hull_case(ctx
, "convex8");
1488 test_convex_hull_case(ctx
, "convex9");
1489 test_convex_hull_case(ctx
, "convex10");
1490 test_convex_hull_case(ctx
, "convex11");
1491 test_convex_hull_case(ctx
, "convex12");
1492 test_convex_hull_case(ctx
, "convex13");
1493 test_convex_hull_case(ctx
, "convex14");
1494 test_convex_hull_case(ctx
, "convex15");
1496 for (i
= 0; i
< ARRAY_SIZE(convex_hull_tests
); ++i
) {
1497 isl_set
*set1
, *set2
;
1500 set1
= isl_set_read_from_str(ctx
, convex_hull_tests
[i
].set
);
1501 set2
= isl_set_read_from_str(ctx
, convex_hull_tests
[i
].hull
);
1502 set1
= isl_set_from_basic_set(isl_set_convex_hull(set1
));
1503 equal
= isl_set_is_equal(set1
, set2
);
1510 isl_die(ctx
, isl_error_unknown
,
1511 "unexpected convex hull", return -1);
1514 ctx
->opt
->convex
= orig_convex
;
1519 static int test_convex_hull(isl_ctx
*ctx
)
1521 if (test_convex_hull_algo(ctx
, ISL_CONVEX_HULL_FM
) < 0)
1523 if (test_convex_hull_algo(ctx
, ISL_CONVEX_HULL_WRAP
) < 0)
1528 void test_gist_case(struct isl_ctx
*ctx
, const char *name
)
1532 struct isl_basic_set
*bset1
, *bset2
;
1534 filename
= get_filename(ctx
, name
, "polylib");
1536 input
= fopen(filename
, "r");
1539 bset1
= isl_basic_set_read_from_file(ctx
, input
);
1540 bset2
= isl_basic_set_read_from_file(ctx
, input
);
1542 bset1
= isl_basic_set_gist(bset1
, bset2
);
1544 bset2
= isl_basic_set_read_from_file(ctx
, input
);
1546 assert(isl_basic_set_is_equal(bset1
, bset2
) == 1);
1548 isl_basic_set_free(bset1
);
1549 isl_basic_set_free(bset2
);
1555 /* Inputs to isl_map_plain_gist_basic_map, along with the expected output.
1559 const char *context
;
1561 } plain_gist_tests
[] = {
1562 { "{ [i] -> [j] : i >= 1 and j >= 1 or i >= 2 and j <= 10 }",
1563 "{ [i] -> [j] : i >= 1 }",
1564 "{ [i] -> [j] : j >= 1 or i >= 2 and j <= 10 }" },
1565 { "{ [n] -> [i,j,k] : (i mod 3 = 2 and j mod 4 = 2) or "
1566 "(j mod 4 = 2 and k mod 6 = n) }",
1567 "{ [n] -> [i,j,k] : j mod 4 = 2 }",
1568 "{ [n] -> [i,j,k] : (i mod 3 = 2) or (k mod 6 = n) }" },
1569 { "{ [i] -> [j] : i > j and (exists a,b : i <= 2a + 5b <= 2) }",
1570 "{ [i] -> [j] : i > j }",
1571 "{ [i] -> [j] : exists a,b : i <= 2a + 5b <= 2 }" },
1574 /* Basic tests for isl_map_plain_gist_basic_map.
1576 static int test_plain_gist(isl_ctx
*ctx
)
1580 for (i
= 0; i
< ARRAY_SIZE(plain_gist_tests
); ++i
) {
1583 isl_map
*map
, *gist
;
1584 isl_basic_map
*context
;
1586 map
= isl_map_read_from_str(ctx
, plain_gist_tests
[i
].map
);
1587 str
= plain_gist_tests
[i
].context
;
1588 context
= isl_basic_map_read_from_str(ctx
, str
);
1589 map
= isl_map_plain_gist_basic_map(map
, context
);
1590 gist
= isl_map_read_from_str(ctx
, plain_gist_tests
[i
].gist
);
1591 equal
= isl_map_is_equal(map
, gist
);
1597 isl_die(ctx
, isl_error_unknown
,
1598 "incorrect gist result", return -1);
1604 /* Inputs for isl_basic_set_gist tests that are expected to fail.
1608 const char *context
;
1609 } gist_fail_tests
[] = {
1610 { "{ [i] : exists (e0, e1: 3e1 >= 1 + 2e0 and "
1611 "8e1 <= -1 + 5i - 5e0 and 2e1 >= 1 + 2i - 5e0) }",
1612 "{ [i] : i >= 0 }" },
1615 /* Check that isl_basic_set_gist fails (gracefully) when expected.
1616 * In particular, the user should be able to recover from the failure.
1618 static isl_stat
test_gist_fail(struct isl_ctx
*ctx
)
1623 on_error
= isl_options_get_on_error(ctx
);
1624 isl_options_set_on_error(ctx
, ISL_ON_ERROR_CONTINUE
);
1625 n
= ARRAY_SIZE(gist_fail_tests
);
1626 for (i
= 0; i
< n
; ++i
) {
1628 isl_basic_set
*bset
, *context
;
1630 bset
= isl_basic_set_read_from_str(ctx
, gist_fail_tests
[i
].set
);
1631 str
= gist_fail_tests
[i
].context
;
1632 context
= isl_basic_set_read_from_str(ctx
, str
);
1633 bset
= isl_basic_set_gist(bset
, context
);
1634 isl_basic_set_free(bset
);
1638 isl_options_set_on_error(ctx
, on_error
);
1640 isl_die(ctx
, isl_error_unknown
,
1641 "operation not expected to succeed",
1642 return isl_stat_error
);
1649 const char *context
;
1652 { "{ [a, b, c] : a <= 15 and a >= 1 }",
1653 "{ [a, b, c] : exists (e0 = floor((-1 + a)/16): a >= 1 and "
1654 "c <= 30 and 32e0 >= -62 + 2a + 2b - c and b >= 0) }",
1655 "{ [a, b, c] : a <= 15 }" },
1656 { "{ : }", "{ : 1 = 0 }", "{ : }" },
1657 { "{ : 1 = 0 }", "{ : 1 = 0 }", "{ : }" },
1658 { "[M] -> { [x] : exists (e0 = floor((-2 + x)/3): 3e0 = -2 + x) }",
1659 "[M] -> { [3M] }" , "[M] -> { [x] : 1 = 0 }" },
1660 { "{ [m, n, a, b] : a <= 2147 + n }",
1661 "{ [m, n, a, b] : (m >= 1 and n >= 1 and a <= 2148 - m and "
1662 "b <= 2148 - n and b >= 0 and b >= 2149 - n - a) or "
1663 "(n >= 1 and a >= 0 and b <= 2148 - n - a and "
1665 "{ [m, n, ku, kl] }" },
1666 { "{ [a, a, b] : a >= 10 }",
1667 "{ [a, b, c] : c >= a and c <= b and c >= 2 }",
1668 "{ [a, a, b] : a >= 10 }" },
1669 { "{ [i, j] : i >= 0 and i + j >= 0 }", "{ [i, j] : i <= 0 }",
1670 "{ [0, j] : j >= 0 }" },
1671 /* Check that no constraints on i6 are introduced in the gist */
1672 { "[t1] -> { [i4, i6] : exists (e0 = floor((1530 - 4t1 - 5i4)/20): "
1673 "20e0 <= 1530 - 4t1 - 5i4 and 20e0 >= 1511 - 4t1 - 5i4 and "
1674 "5e0 <= 381 - t1 and i4 <= 1) }",
1675 "[t1] -> { [i4, i6] : exists (e0 = floor((-t1 + i6)/5): "
1676 "5e0 = -t1 + i6 and i6 <= 6 and i6 >= 3) }",
1677 "[t1] -> { [i4, i6] : exists (e0 = floor((1530 - 4t1 - 5i4)/20): "
1678 "i4 <= 1 and 5e0 <= 381 - t1 and 20e0 <= 1530 - 4t1 - 5i4 and "
1679 "20e0 >= 1511 - 4t1 - 5i4) }" },
1680 /* Check that no constraints on i6 are introduced in the gist */
1681 { "[t1, t2] -> { [i4, i5, i6] : exists (e0 = floor((1 + i4)/2), "
1682 "e1 = floor((1530 - 4t1 - 5i4)/20), "
1683 "e2 = floor((-4t1 - 5i4 + 10*floor((1 + i4)/2))/20), "
1684 "e3 = floor((-1 + i4)/2): t2 = 0 and 2e3 = -1 + i4 and "
1685 "20e2 >= -19 - 4t1 - 5i4 + 10e0 and 5e2 <= 1 - t1 and "
1686 "2e0 <= 1 + i4 and 2e0 >= i4 and "
1687 "20e1 <= 1530 - 4t1 - 5i4 and "
1688 "20e1 >= 1511 - 4t1 - 5i4 and i4 <= 1 and "
1689 "5e1 <= 381 - t1 and 20e2 <= -4t1 - 5i4 + 10e0) }",
1690 "[t1, t2] -> { [i4, i5, i6] : exists (e0 = floor((-17 + i4)/2), "
1691 "e1 = floor((-t1 + i6)/5): 5e1 = -t1 + i6 and "
1692 "2e0 <= -17 + i4 and 2e0 >= -18 + i4 and "
1693 "10e0 <= -91 + 5i4 + 4i6 and "
1694 "10e0 >= -105 + 5i4 + 4i6) }",
1695 "[t1, t2] -> { [i4, i5, i6] : exists (e0 = floor((381 - t1)/5), "
1696 "e1 = floor((-1 + i4)/2): t2 = 0 and 2e1 = -1 + i4 and "
1697 "i4 <= 1 and 5e0 <= 381 - t1 and 20e0 >= 1511 - 4t1 - 5i4) }" },
1698 { "{ [0, 0, q, p] : -5 <= q <= 5 and p >= 0 }",
1699 "{ [a, b, q, p] : b >= 1 + a }",
1700 "{ [a, b, q, p] : false }" },
1701 { "[n] -> { [x] : x = n && x mod 32 = 0 }",
1702 "[n] -> { [x] : x mod 32 = 0 }",
1703 "[n] -> { [x = n] }" },
1704 { "{ [x] : x mod 6 = 0 }", "{ [x] : x mod 3 = 0 }",
1705 "{ [x] : x mod 2 = 0 }" },
1706 { "{ [x] : x mod 3200 = 0 }", "{ [x] : x mod 10000 = 0 }",
1707 "{ [x] : x mod 128 = 0 }" },
1708 { "{ [x] : x mod 3200 = 0 }", "{ [x] : x mod 10 = 0 }",
1709 "{ [x] : x mod 3200 = 0 }" },
1710 { "{ [a, b, c] : a mod 2 = 0 and a = c }",
1711 "{ [a, b, c] : b mod 2 = 0 and b = c }",
1712 "{ [a, b, c = a] }" },
1713 { "{ [a, b, c] : a mod 6 = 0 and a = c }",
1714 "{ [a, b, c] : b mod 2 = 0 and b = c }",
1715 "{ [a, b, c = a] : a mod 3 = 0 }" },
1716 { "{ [x] : 0 <= x <= 4 or 6 <= x <= 9 }",
1717 "{ [x] : 1 <= x <= 3 or 7 <= x <= 8 }",
1719 { "{ [x,y] : x < 0 and 0 <= y <= 4 or x >= -2 and -x <= y <= 10 + x }",
1720 "{ [x,y] : 1 <= y <= 3 }",
1724 /* Check that isl_set_gist behaves as expected.
1726 * For the test cases in gist_tests, besides checking that the result
1727 * is as expected, also check that applying the gist operation does
1728 * not modify the input set (an earlier version of isl would do that) and
1729 * that the test case is consistent, i.e., that the gist has the same
1730 * intersection with the context as the input set.
1732 static int test_gist(struct isl_ctx
*ctx
)
1736 isl_basic_set
*bset1
, *bset2
;
1737 isl_map
*map1
, *map2
;
1741 for (i
= 0; i
< ARRAY_SIZE(gist_tests
); ++i
) {
1742 isl_bool equal_input
, equal_intersection
;
1743 isl_set
*set1
, *set2
, *copy
, *context
;
1745 set1
= isl_set_read_from_str(ctx
, gist_tests
[i
].set
);
1746 context
= isl_set_read_from_str(ctx
, gist_tests
[i
].context
);
1747 copy
= isl_set_copy(set1
);
1748 set1
= isl_set_gist(set1
, isl_set_copy(context
));
1749 set2
= isl_set_read_from_str(ctx
, gist_tests
[i
].gist
);
1750 equal
= isl_set_is_equal(set1
, set2
);
1752 set1
= isl_set_read_from_str(ctx
, gist_tests
[i
].set
);
1753 equal_input
= isl_set_is_equal(set1
, copy
);
1755 set1
= isl_set_intersect(set1
, isl_set_copy(context
));
1756 set2
= isl_set_intersect(set2
, context
);
1757 equal_intersection
= isl_set_is_equal(set1
, set2
);
1760 if (equal
< 0 || equal_input
< 0 || equal_intersection
< 0)
1763 isl_die(ctx
, isl_error_unknown
,
1764 "incorrect gist result", return -1);
1766 isl_die(ctx
, isl_error_unknown
,
1767 "gist modified input", return -1);
1769 isl_die(ctx
, isl_error_unknown
,
1770 "inconsistent gist test case", return -1);
1773 if (test_gist_fail(ctx
) < 0)
1776 test_gist_case(ctx
, "gist1");
1778 str
= "[p0, p2, p3, p5, p6, p10] -> { [] : "
1779 "exists (e0 = [(15 + p0 + 15p6 + 15p10)/16], e1 = [(p5)/8], "
1780 "e2 = [(p6)/128], e3 = [(8p2 - p5)/128], "
1781 "e4 = [(128p3 - p6)/4096]: 8e1 = p5 and 128e2 = p6 and "
1782 "128e3 = 8p2 - p5 and 4096e4 = 128p3 - p6 and p2 >= 0 and "
1783 "16e0 >= 16 + 16p6 + 15p10 and p2 <= 15 and p3 >= 0 and "
1784 "p3 <= 31 and p6 >= 128p3 and p5 >= 8p2 and p10 >= 0 and "
1785 "16e0 <= 15 + p0 + 15p6 + 15p10 and 16e0 >= p0 + 15p6 + 15p10 and "
1786 "p10 <= 15 and p10 <= -1 + p0 - p6) }";
1787 bset1
= isl_basic_set_read_from_str(ctx
, str
);
1788 str
= "[p0, p2, p3, p5, p6, p10] -> { [] : exists (e0 = [(p5)/8], "
1789 "e1 = [(p6)/128], e2 = [(8p2 - p5)/128], "
1790 "e3 = [(128p3 - p6)/4096]: 8e0 = p5 and 128e1 = p6 and "
1791 "128e2 = 8p2 - p5 and 4096e3 = 128p3 - p6 and p5 >= -7 and "
1792 "p2 >= 0 and 8p2 <= -1 + p0 and p2 <= 15 and p3 >= 0 and "
1793 "p3 <= 31 and 128p3 <= -1 + p0 and p6 >= -127 and "
1794 "p5 <= -1 + p0 and p6 <= -1 + p0 and p6 >= 128p3 and "
1795 "p0 >= 1 and p5 >= 8p2 and p10 >= 0 and p10 <= 15 ) }";
1796 bset2
= isl_basic_set_read_from_str(ctx
, str
);
1797 bset1
= isl_basic_set_gist(bset1
, bset2
);
1798 assert(bset1
&& bset1
->n_div
== 0);
1799 isl_basic_set_free(bset1
);
1801 /* Check that the integer divisions of the second disjunct
1802 * do not spread to the first disjunct.
1804 str
= "[t1] -> { S_0[] -> A[o0] : (exists (e0 = [(-t1 + o0)/16]: "
1805 "16e0 = -t1 + o0 and o0 >= 0 and o0 <= 15 and t1 >= 0)) or "
1806 "(exists (e0 = [(-1 + t1)/16], "
1807 "e1 = [(-16 + t1 - 16e0)/4294967296]: "
1808 "4294967296e1 = -16 + t1 - o0 - 16e0 and "
1809 "16e0 <= -1 + t1 and 16e0 >= -16 + t1 and o0 >= 0 and "
1810 "o0 <= 4294967295 and t1 <= -1)) }";
1811 map1
= isl_map_read_from_str(ctx
, str
);
1812 str
= "[t1] -> { S_0[] -> A[o0] : t1 >= 0 and t1 <= 4294967295 }";
1813 map2
= isl_map_read_from_str(ctx
, str
);
1814 map1
= isl_map_gist(map1
, map2
);
1818 isl_die(ctx
, isl_error_unknown
, "expecting single disjunct",
1819 isl_map_free(map1
); return -1);
1820 n_div
= isl_basic_map_dim(map1
->p
[0], isl_dim_div
);
1825 isl_die(ctx
, isl_error_unknown
, "expecting single div",
1828 if (test_plain_gist(ctx
) < 0)
1834 int test_coalesce_set(isl_ctx
*ctx
, const char *str
, int check_one
)
1836 isl_set
*set
, *set2
;
1840 set
= isl_set_read_from_str(ctx
, str
);
1841 set
= isl_set_coalesce(set
);
1842 set2
= isl_set_read_from_str(ctx
, str
);
1843 equal
= isl_set_is_equal(set
, set2
);
1844 one
= set
&& set
->n
== 1;
1851 isl_die(ctx
, isl_error_unknown
,
1852 "coalesced set not equal to input", return -1);
1853 if (check_one
&& !one
)
1854 isl_die(ctx
, isl_error_unknown
,
1855 "coalesced set should not be a union", return -1);
1860 /* Inputs for coalescing tests with unbounded wrapping.
1861 * "str" is a string representation of the input set.
1862 * "single_disjunct" is set if we expect the result to consist of
1863 * a single disjunct.
1866 int single_disjunct
;
1868 } coalesce_unbounded_tests
[] = {
1869 { 1, "{ [x,y,z] : y + 2 >= 0 and x - y + 1 >= 0 and "
1870 "-x - y + 1 >= 0 and -3 <= z <= 3;"
1871 "[x,y,z] : -x+z + 20 >= 0 and -x-z + 20 >= 0 and "
1872 "x-z + 20 >= 0 and x+z + 20 >= 0 and "
1874 { 1, "{ [x,y] : 0 <= x,y <= 10; [5,y]: 4 <= y <= 11 }" },
1875 { 1, "{ [x,0,0] : -5 <= x <= 5; [0,y,1] : -5 <= y <= 5 }" },
1876 { 1, "{ [x,y] : 0 <= x <= 10 and 0 >= y >= -1 and x+y >= 0; [0,1] }" },
1877 { 1, "{ [x,y] : (0 <= x,y <= 4) or (2 <= x,y <= 5 and x + y <= 9) }" },
1880 /* Test the functionality of isl_set_coalesce with the bounded wrapping
1881 * option turned off.
1883 int test_coalesce_unbounded_wrapping(isl_ctx
*ctx
)
1889 bounded
= isl_options_get_coalesce_bounded_wrapping(ctx
);
1890 isl_options_set_coalesce_bounded_wrapping(ctx
, 0);
1892 for (i
= 0; i
< ARRAY_SIZE(coalesce_unbounded_tests
); ++i
) {
1893 const char *str
= coalesce_unbounded_tests
[i
].str
;
1894 int check_one
= coalesce_unbounded_tests
[i
].single_disjunct
;
1895 if (test_coalesce_set(ctx
, str
, check_one
) >= 0)
1901 isl_options_set_coalesce_bounded_wrapping(ctx
, bounded
);
1906 /* Inputs for coalescing tests.
1907 * "str" is a string representation of the input set.
1908 * "single_disjunct" is set if we expect the result to consist of
1909 * a single disjunct.
1912 int single_disjunct
;
1914 } coalesce_tests
[] = {
1915 { 1, "{[x,y]: x >= 0 & x <= 10 & y >= 0 & y <= 10 or "
1916 "y >= x & x >= 2 & 5 >= y }" },
1917 { 1, "{[x,y]: y >= 0 & 2x + y <= 30 & y <= 10 & x >= 0 or "
1918 "x + y >= 10 & y <= x & x + y <= 20 & y >= 0}" },
1919 { 0, "{[x,y]: y >= 0 & 2x + y <= 30 & y <= 10 & x >= 0 or "
1920 "x + y >= 10 & y <= x & x + y <= 19 & y >= 0}" },
1921 { 1, "{[x,y]: y >= 0 & x <= 5 & y <= x or "
1922 "y >= 0 & x >= 6 & x <= 10 & y <= x}" },
1923 { 0, "{[x,y]: y >= 0 & x <= 5 & y <= x or "
1924 "y >= 0 & x >= 7 & x <= 10 & y <= x}" },
1925 { 0, "{[x,y]: y >= 0 & x <= 5 & y <= x or "
1926 "y >= 0 & x >= 6 & x <= 10 & y + 1 <= x}" },
1927 { 1, "{[x,y]: y >= 0 & x <= 5 & y <= x or y >= 0 & x = 6 & y <= 6}" },
1928 { 0, "{[x,y]: y >= 0 & x <= 5 & y <= x or y >= 0 & x = 7 & y <= 6}" },
1929 { 1, "{[x,y]: y >= 0 & x <= 5 & y <= x or y >= 0 & x = 6 & y <= 5}" },
1930 { 0, "{[x,y]: y >= 0 & x <= 5 & y <= x or y >= 0 & x = 6 & y <= 7}" },
1931 { 1, "[n] -> { [i] : i = 1 and n >= 2 or 2 <= i and i <= n }" },
1932 { 0, "{[x,y] : x >= 0 and y >= 0 or 0 <= y and y <= 5 and x = -1}" },
1933 { 1, "[n] -> { [i] : 1 <= i and i <= n - 1 or 2 <= i and i <= n }" },
1934 { 0, "[n] -> { [[i0] -> [o0]] : exists (e0 = [(i0)/4], e1 = [(o0)/4], "
1935 "e2 = [(n)/2], e3 = [(-2 + i0)/4], e4 = [(-2 + o0)/4], "
1936 "e5 = [(-2n + i0)/4]: 2e2 = n and 4e3 = -2 + i0 and "
1937 "4e4 = -2 + o0 and i0 >= 8 + 2n and o0 >= 2 + i0 and "
1938 "o0 <= 56 + 2n and o0 <= -12 + 4n and i0 <= 57 + 2n and "
1939 "i0 <= -11 + 4n and o0 >= 6 + 2n and 4e0 <= i0 and "
1940 "4e0 >= -3 + i0 and 4e1 <= o0 and 4e1 >= -3 + o0 and "
1941 "4e5 <= -2n + i0 and 4e5 >= -3 - 2n + i0);"
1942 "[[i0] -> [o0]] : exists (e0 = [(i0)/4], e1 = [(o0)/4], "
1943 "e2 = [(n)/2], e3 = [(-2 + i0)/4], e4 = [(-2 + o0)/4], "
1944 "e5 = [(-2n + i0)/4]: 2e2 = n and 4e3 = -2 + i0 and "
1945 "4e4 = -2 + o0 and 2e0 >= 3 + n and e0 <= -4 + n and "
1946 "2e0 <= 27 + n and e1 <= -4 + n and 2e1 <= 27 + n and "
1947 "2e1 >= 2 + n and e1 >= 1 + e0 and i0 >= 7 + 2n and "
1948 "i0 <= -11 + 4n and i0 <= 57 + 2n and 4e0 <= -2 + i0 and "
1949 "4e0 >= -3 + i0 and o0 >= 6 + 2n and o0 <= -11 + 4n and "
1950 "o0 <= 57 + 2n and 4e1 <= -2 + o0 and 4e1 >= -3 + o0 and "
1951 "4e5 <= -2n + i0 and 4e5 >= -3 - 2n + i0 ) }" },
1952 { 0, "[n, m] -> { [o0, o2, o3] : (o3 = 1 and o0 >= 1 + m and "
1953 "o0 <= n + m and o2 <= m and o0 >= 2 + n and o2 >= 3) or "
1954 "(o0 >= 2 + n and o0 >= 1 + m and o0 <= n + m and n >= 1 and "
1955 "o3 <= -1 + o2 and o3 >= 1 - m + o2 and o3 >= 2 and o3 <= n) }" },
1956 { 0, "[M, N] -> { [[i0, i1, i2, i3, i4, i5, i6] -> "
1957 "[o0, o1, o2, o3, o4, o5, o6]] : "
1958 "(o6 <= -4 + 2M - 2N + i0 + i1 - i2 + i6 - o0 - o1 + o2 and "
1959 "o3 <= -2 + i3 and o6 >= 2 + i0 + i3 + i6 - o0 - o3 and "
1960 "o6 >= 2 - M + N + i3 + i4 + i6 - o3 - o4 and o0 <= -1 + i0 and "
1961 "o4 >= 4 - 3M + 3N - i0 - i1 + i2 + 2i3 + i4 + o0 + o1 - o2 - 2o3 "
1962 "and o6 <= -3 + 2M - 2N + i3 + i4 - i5 + i6 - o3 - o4 + o5 and "
1963 "2o6 <= -5 + 5M - 5N + 2i0 + i1 - i2 - i5 + 2i6 - 2o0 - o1 + o2 + o5 "
1964 "and o6 >= 2i0 + i1 + i6 - 2o0 - o1 and "
1965 "3o6 <= -5 + 4M - 4N + 2i0 + i1 - i2 + 2i3 + i4 - i5 + 3i6 "
1966 "- 2o0 - o1 + o2 - 2o3 - o4 + o5) or "
1967 "(N >= 2 and o3 <= -1 + i3 and o0 <= -1 + i0 and "
1968 "o6 >= i3 + i6 - o3 and M >= 0 and "
1969 "2o6 >= 1 + i0 + i3 + 2i6 - o0 - o3 and "
1970 "o6 >= 1 - M + i0 + i6 - o0 and N >= 2M and o6 >= i0 + i6 - o0) }" },
1971 { 0, "[M, N] -> { [o0] : (o0 = 0 and M >= 1 and N >= 2) or "
1972 "(o0 = 0 and M >= 1 and N >= 2M and N >= 2 + M) or "
1973 "(o0 = 0 and M >= 2 and N >= 3) or "
1974 "(M = 0 and o0 = 0 and N >= 3) }" },
1975 { 0, "{ [i0, i1, i2, i3] : (i1 = 10i0 and i0 >= 1 and 10i0 <= 100 and "
1976 "i3 <= 9 + 10 i2 and i3 >= 1 + 10i2 and i3 >= 0) or "
1977 "(i1 <= 9 + 10i0 and i1 >= 1 + 10i0 and i2 >= 0 and "
1978 "i0 >= 0 and i1 <= 100 and i3 <= 9 + 10i2 and i3 >= 1 + 10i2) }" },
1979 { 0, "[M] -> { [i1] : (i1 >= 2 and i1 <= M) or (i1 = M and M >= 1) }" },
1980 { 0, "{[x,y] : x,y >= 0; [x,y] : 10 <= x <= 20 and y >= -1 }" },
1981 { 1, "{ [x, y] : (x >= 1 and y >= 1 and x <= 2 and y <= 2) or "
1982 "(y = 3 and x = 1) }" },
1983 { 1, "[M] -> { [i0, i1, i2, i3, i4] : (i1 >= 3 and i4 >= 2 + i2 and "
1984 "i2 >= 2 and i0 >= 2 and i3 >= 1 + i2 and i0 <= M and "
1985 "i1 <= M and i3 <= M and i4 <= M) or "
1986 "(i1 >= 2 and i4 >= 1 + i2 and i2 >= 2 and i0 >= 2 and "
1987 "i3 >= 1 + i2 and i0 <= M and i1 <= -1 + M and i3 <= M and "
1988 "i4 <= -1 + M) }" },
1989 { 1, "{ [x, y] : (x >= 0 and y >= 0 and x <= 10 and y <= 10) or "
1990 "(x >= 1 and y >= 1 and x <= 11 and y <= 11) }" },
1991 { 0, "{[x,0] : x >= 0; [x,1] : x <= 20}" },
1992 { 1, "{ [x, 1 - x] : 0 <= x <= 1; [0,0] }" },
1993 { 1, "{ [0,0]; [i,i] : 1 <= i <= 10 }" },
1994 { 0, "{ [0,0]; [i,j] : 1 <= i,j <= 10 }" },
1995 { 1, "{ [0,0]; [i,2i] : 1 <= i <= 10 }" },
1996 { 0, "{ [0,0]; [i,2i] : 2 <= i <= 10 }" },
1997 { 0, "{ [1,0]; [i,2i] : 1 <= i <= 10 }" },
1998 { 0, "{ [0,1]; [i,2i] : 1 <= i <= 10 }" },
1999 { 0, "{ [a, b] : exists e : 2e = a and "
2000 "a >= 0 and (a <= 3 or (b <= 0 and b >= -4 + a)) }" },
2001 { 0, "{ [i, j, i', j'] : i <= 2 and j <= 2 and "
2002 "j' >= -1 + 2i + j - 2i' and i' <= -1 + i and "
2003 "j >= 1 and j' <= i + j - i' and i >= 1; "
2005 { 1, "{ [i,j] : exists a,b : i = 2a and j = 3b; "
2006 "[i,j] : exists a : j = 3a }" },
2007 { 1, "{ [a, b, c] : (c <= 7 - b and b <= 1 and b >= 0 and "
2008 "c >= 3 + b and b <= 3 + 8a and b >= -26 + 8a and "
2010 "(b <= 1 and c <= 7 and b >= 0 and c >= 4 + b and "
2011 "b <= 3 + 8a and b >= -26 + 8a and a >= 3) }" },
2012 { 1, "{ [a, 0, c] : c >= 1 and c <= 29 and c >= -1 + 8a and "
2013 "c <= 6 + 8a and a >= 3; "
2014 "[a, -1, c] : c >= 1 and c <= 30 and c >= 8a and "
2015 "c <= 7 + 8a and a >= 3 and a <= 4 }" },
2016 { 1, "{ [x,y] : 0 <= x <= 2 and y >= 0 and x + 2y <= 4; "
2017 "[x,0] : 3 <= x <= 4 }" },
2018 { 1, "{ [x,y] : 0 <= x <= 3 and y >= 0 and x + 3y <= 6; "
2019 "[x,0] : 4 <= x <= 5 }" },
2020 { 0, "{ [x,y] : 0 <= x <= 2 and y >= 0 and x + 2y <= 4; "
2021 "[x,0] : 3 <= x <= 5 }" },
2022 { 0, "{ [x,y] : 0 <= x <= 2 and y >= 0 and x + y <= 4; "
2023 "[x,0] : 3 <= x <= 4 }" },
2024 { 1, "{ [i0, i1] : i0 <= 122 and i0 >= 1 and 128i1 >= -249 + i0 and "
2026 "[i0, 0] : i0 >= 123 and i0 <= 124 }" },
2027 { 1, "{ [0,0]; [1,1] }" },
2028 { 1, "[n] -> { [k] : 16k <= -1 + n and k >= 1; [0] : n >= 2 }" },
2029 { 1, "{ [k, ii, k - ii] : ii >= -6 + k and ii <= 6 and ii >= 1 and "
2031 "[k, 0, k] : k <= 6 and k >= 1 }" },
2032 { 1, "{ [i,j] : i = 4 j and 0 <= i <= 100;"
2033 "[i,j] : 1 <= i <= 100 and i >= 4j + 1 and i <= 4j + 2 }" },
2034 { 1, "{ [x,y] : x % 2 = 0 and y % 2 = 0; [x,x] : x % 2 = 0 }" },
2035 { 1, "[n] -> { [1] : n >= 0;"
2036 "[x] : exists (e0 = floor((x)/2): x >= 2 and "
2037 "2e0 >= -1 + x and 2e0 <= x and 2e0 <= n) }" },
2038 { 1, "[n] -> { [x, y] : exists (e0 = floor((x)/2), e1 = floor((y)/3): "
2039 "3e1 = y and x >= 2 and 2e0 >= -1 + x and "
2040 "2e0 <= x and 2e0 <= n);"
2041 "[1, y] : exists (e0 = floor((y)/3): 3e0 = y and "
2043 { 1, "[t1] -> { [i0] : (exists (e0 = floor((63t1)/64): "
2044 "128e0 >= -134 + 127t1 and t1 >= 2 and "
2045 "64e0 <= 63t1 and 64e0 >= -63 + 63t1)) or "
2047 { 1, "{ [i, i] : exists (e0 = floor((1 + 2i)/3): 3e0 <= 2i and "
2048 "3e0 >= -1 + 2i and i <= 9 and i >= 1);"
2050 { 1, "{ [t1] : exists (e0 = floor((-11 + t1)/2): 2e0 = -11 + t1 and "
2051 "t1 >= 13 and t1 <= 16);"
2052 "[t1] : t1 <= 15 and t1 >= 12 }" },
2053 { 1, "{ [x,y] : x = 3y and 0 <= y <= 2; [-3,-1] }" },
2054 { 1, "{ [x,y] : 2x = 3y and 0 <= y <= 4; [-3,-2] }" },
2055 { 0, "{ [x,y] : 2x = 3y and 0 <= y <= 4; [-2,-2] }" },
2056 { 0, "{ [x,y] : 2x = 3y and 0 <= y <= 4; [-3,-1] }" },
2057 { 1, "{ [i] : exists j : i = 4 j and 0 <= i <= 100;"
2058 "[i] : exists j : 1 <= i <= 100 and i >= 4j + 1 and "
2060 { 1, "{ [c0] : (exists (e0 : c0 - 1 <= 3e0 <= c0)) or "
2061 "(exists (e0 : 3e0 = -2 + c0)) }" },
2062 { 0, "[n, b0, t0] -> "
2063 "{ [i0, i1, i2, i3, i4, i5, i6, i7, i8, i9, i10, i11, i12] : "
2064 "(exists (e0 = floor((-32b0 + i4)/1048576), "
2065 "e1 = floor((i8)/32): 1048576e0 = -32b0 + i4 and 32e1 = i8 and "
2066 "n <= 2147483647 and b0 <= 32767 and b0 >= 0 and "
2067 "32b0 <= -2 + n and t0 <= 31 and t0 >= 0 and i0 >= 8 + n and "
2068 "3i4 <= -96 + 3t0 + i0 and 3i4 >= -95 - n + 3t0 + i0 and "
2069 "i8 >= -157 + i0 - 4i4 and i8 >= 0 and "
2070 "i8 <= -33 + i0 - 4i4 and 3i8 <= -91 + 4n - i0)) or "
2071 "(exists (e0 = floor((-32b0 + i4)/1048576), "
2072 "e1 = floor((i8)/32): 1048576e0 = -32b0 + i4 and 32e1 = i8 and "
2073 "n <= 2147483647 and b0 <= 32767 and b0 >= 0 and "
2074 "32b0 <= -2 + n and t0 <= 31 and t0 >= 0 and i0 <= 7 + n and "
2075 "4i4 <= -3 + i0 and 3i4 <= -96 + 3t0 + i0 and "
2076 "3i4 >= -95 - n + 3t0 + i0 and i8 >= -157 + i0 - 4i4 and "
2077 "i8 >= 0 and i8 <= -4 + i0 - 3i4 and i8 <= -41 + i0));"
2078 "[i0, i1, i2, i3, 0, i5, i6, i7, i8, i9, i10, i11, i12] : "
2079 "(exists (e0 = floor((i8)/32): b0 = 0 and 32e0 = i8 and "
2080 "n <= 2147483647 and t0 <= 31 and t0 >= 0 and i0 >= 11 and "
2081 "i0 >= 96 - 3t0 and i0 <= 95 + n - 3t0 and i0 <= 7 + n and "
2082 "i8 >= -40 + i0 and i8 <= -10 + i0)) }" },
2083 { 0, "{ [i0, i1, i2] : "
2084 "(exists (e0, e1 = floor((i0)/32), e2 = floor((i1)/32): "
2085 "32e1 = i0 and 32e2 = i1 and i1 >= -31 + i0 and "
2086 "i1 <= 31 + i0 and i2 >= -30 + i0 and i2 >= -30 + i1 and "
2087 "32e0 >= -30 + i0 and 32e0 >= -30 + i1 and "
2088 "32e0 >= -31 + i2 and 32e0 <= 30 + i2 and 32e0 <= 31 + i1 and "
2089 "32e0 <= 31 + i0)) or "
2091 { 1, "{ [a, b, c] : 2b = 1 + a and 2c = 2 + a; [0, 0, 0] }" },
2092 { 1, "{ [a, a, b, c] : 32*floor((a)/32) = a and 2*floor((b)/2) = b and "
2093 "2*floor((c)/2) = c and 0 <= a <= 192;"
2094 "[224, 224, b, c] : 2*floor((b)/2) = b and 2*floor((c)/2) = c }"
2096 { 1, "[n] -> { [a,b] : (exists e : 1 <= a <= 7e and 9e <= b <= n) or "
2097 "(0 <= a <= b <= n) }" },
2098 { 1, "{ [a, b] : 0 <= a <= 2 and b >= 0 and "
2099 "((0 < b <= 13) or (2*floor((a + b)/2) >= -5 + a + 2b)) }" },
2100 { 1, "{ [a] : (2 <= a <= 5) or (a mod 2 = 1 and 1 <= a <= 5) }" },
2101 { 1, "{ [a, b, c] : (b = -1 + a and 0 < a <= 3 and "
2102 "9*floor((-4a + 2c)/9) <= -3 - 4a + 2c) or "
2103 "(exists (e0 = floor((-16 + 2c)/9): a = 4 and "
2104 "b = 3 and 9e0 <= -19 + 2c)) }" },
2105 { 1, "{ [a, b, c] : (b = -1 + a and 0 < a <= 3 and "
2106 "9*floor((-4a + 2c)/9) <= -3 - 4a + 2c) or "
2107 "(a = 4 and b = 3 and "
2108 "9*floor((-16 + 2c)/9) <= -19 + 2c) }" },
2109 { 0, "{ [a, b, c] : (b <= 2 and b <= -2 + a) or "
2110 "(b = -1 + a and 0 < a <= 3 and "
2111 "9*floor((-4a + 2c)/9) <= -3 - 4a + 2c) or "
2112 "(exists (e0 = floor((-16 + 2c)/9): a = 4 and "
2113 "b = 3 and 9e0 <= -19 + 2c)) }" },
2114 { 1, "{ [y, x] : (x - y) mod 3 = 2 and 2 <= y <= 200 and 0 <= x <= 2;"
2116 { 1, "{ [x, y] : (x - y) mod 3 = 2 and 2 <= y <= 200 and 0 <= x <= 2;"
2118 { 1, "{ [1, y] : -1 <= y <= 1; [x, -x] : 0 <= x <= 1 }" },
2119 { 1, "{ [1, y] : 0 <= y <= 1; [x, -x] : 0 <= x <= 1 }" },
2120 { 1, "{ [x, y] : 0 <= x <= 10 and x - 4*floor(x/4) <= 1 and y <= 0; "
2121 "[x, y] : 0 <= x <= 10 and x - 4*floor(x/4) > 1 and y <= 0; "
2122 "[x, y] : 0 <= x <= 10 and x - 5*floor(x/5) <= 1 and 0 < y; "
2123 "[x, y] : 0 <= x <= 10 and x - 5*floor(x/5) > 1 and 0 < y }" },
2124 { 1, "{ [x, 0] : 0 <= x <= 10 and x mod 2 = 0; "
2125 "[x, 0] : 0 <= x <= 10 and x mod 2 = 1; "
2126 "[x, y] : 0 <= x <= 10 and 1 <= y <= 10 }" },
2127 { 1, "{ [a] : a <= 8 and "
2128 "(a mod 10 = 7 or a mod 10 = 8 or a mod 10 = 9) }" },
2129 { 1, "{ [x, y] : 2y = -x and x <= 0 or "
2130 "x <= -1 and 2y <= -x - 1 and 2y >= x - 1 }" },
2131 { 0, "{ [x, y] : 2y = -x and x <= 0 or "
2132 "x <= -2 and 2y <= -x - 1 and 2y >= x - 1 }" },
2133 { 1, "{ [a] : (a <= 0 and 3*floor((a)/3) = a) or "
2134 "(a < 0 and 3*floor((a)/3) < a) }" },
2135 { 1, "{ [a] : (a <= 0 and 3*floor((a)/3) = a) or "
2136 "(a < -1 and 3*floor((a)/3) < a) }" },
2137 { 1, "{ [a, b] : a <= 1024 and b >= 0 and "
2138 "((-31 - a + b <= 32*floor((-1 - a)/32) <= -33 + b and "
2139 "32*floor((-1 - a)/32) <= -16 + b + 16*floor((-1 - a)/16))"
2140 "or (2 <= a <= 15 and b < a)) }" },
2141 { 1, "{ [a] : a > 0 and ((16*floor((a)/16) < a and "
2142 "32*floor((a)/32) < a) or a <= 15) }" },
2143 { 1, "{ [a, b, c, d] : (-a + d) mod 64 = 0 and a <= 8 and b <= 1 and "
2144 "10 - a <= c <= 3 and d >= 5 and 9 - 64b <= d <= 70;"
2145 "[a, b = 1, c, d] : (-a + d) mod 64 = 0 and a <= 8 and c >= 4 and "
2146 "10 - a <= c <= 5 and 5 <= d <= 73 - c }" },
2147 { 1, "[n, m] -> { S_0[i] : (-n + i) mod 3 = 0 and m >= 3 + n and "
2148 "i >= n and 3*floor((2 + n + 2m)/3) <= n + 3m - i; "
2149 "S_0[n] : n <= m <= 2 + n }" },
2150 { 1, "{ [a, b] : exists (e0: 0 <= a <= 1 and b >= 0 and "
2151 "2e0 >= -5 + a + 2b and 2e0 >= -1 + a + b and "
2153 "[a, b] : exists (e0: 0 <= a <= 1 and 2e0 >= -5 + a + 2b and "
2154 "2e0 >= -1 - a + b and 2e0 <= -a + b and "
2155 "2e0 < -a + 2b) }" },
2156 { 1, "{ [i, j, i - 8j] : 8 <= i <= 63 and -7 + i <= 8j <= i; "
2157 "[i, 0, i] : 0 <= i <= 7 }" },
2158 { 1, "{ [a, b] : a >= 0 and 0 <= b <= 1 - a; [1, 1] }" },
2159 { 0, "{ [a, b] : a >= 0 and 0 <= b <= 1 - a; [0, 2] }" },
2160 { 0, "{ [a, b] : a >= 0 and 0 <= b <= 1 - a; [-1, 3] }" },
2161 { 1, "{ [a, b] : a, b >= 0 and a + 2b <= 2; [1, 1] }" },
2162 { 0, "{ [a, b] : a, b >= 0 and a + 2b <= 2; [2, 1] }" },
2163 { 0, "{ [a, c] : (2 + a) mod 4 = 0 or "
2164 "(c = 4 + a and 4 * floor((a)/4) = a and a >= 0 and a <= 4) or "
2165 "(c = 3 + a and 4 * floor((-1 + a)/4) = -1 + a and "
2166 "a > 0 and a <= 5) }" },
2167 { 1, "{ [1, 0, 0]; [a, b, c] : -1 <= -a < b <= 0 and 2c > b }" },
2170 /* A specialized coalescing test case that would result
2171 * in a segmentation fault or a failed assertion in earlier versions of isl.
2173 static int test_coalesce_special(struct isl_ctx
*ctx
)
2176 isl_map
*map1
, *map2
;
2178 str
= "[y] -> { [S_L220_OUT[] -> T7[]] -> "
2179 "[[S_L309_IN[] -> T11[]] -> ce_imag2[1, o1]] : "
2180 "(y = 201 and o1 <= 239 and o1 >= 212) or "
2181 "(exists (e0 = [(y)/3]: 3e0 = y and y <= 198 and y >= 3 and "
2182 "o1 <= 239 and o1 >= 212)) or "
2183 "(exists (e0 = [(y)/3]: 3e0 = y and y <= 201 and y >= 3 and "
2184 "o1 <= 241 and o1 >= 240));"
2185 "[S_L220_OUT[] -> T7[]] -> "
2186 "[[S_L309_IN[] -> T11[]] -> ce_imag2[0, o1]] : "
2187 "(y = 2 and o1 <= 241 and o1 >= 212) or "
2188 "(exists (e0 = [(-2 + y)/3]: 3e0 = -2 + y and y <= 200 and "
2189 "y >= 5 and o1 <= 241 and o1 >= 212)) }";
2190 map1
= isl_map_read_from_str(ctx
, str
);
2191 map1
= isl_map_align_divs_internal(map1
);
2192 map1
= isl_map_coalesce(map1
);
2193 str
= "[y] -> { [S_L220_OUT[] -> T7[]] -> "
2194 "[[S_L309_IN[] -> T11[]] -> ce_imag2[o0, o1]] : "
2195 "exists (e0 = [(-1 - y + o0)/3]: 3e0 = -1 - y + o0 and "
2196 "y <= 201 and o0 <= 2 and o1 >= 212 and o1 <= 241 and "
2197 "o0 >= 3 - y and o0 <= -2 + y and o0 >= 0) }";
2198 map2
= isl_map_read_from_str(ctx
, str
);
2199 map2
= isl_map_union(map2
, map1
);
2200 map2
= isl_map_align_divs_internal(map2
);
2201 map2
= isl_map_coalesce(map2
);
2209 /* A specialized coalescing test case that would result in an assertion
2210 * in an earlier version of isl.
2211 * The explicit call to isl_basic_set_union prevents the implicit
2212 * equality constraints in the first basic map from being detected prior
2213 * to the call to isl_set_coalesce, at least at the point
2214 * where this test case was introduced.
2216 static int test_coalesce_special2(struct isl_ctx
*ctx
)
2219 isl_basic_set
*bset1
, *bset2
;
2222 str
= "{ [x, y] : x, y >= 0 and x + 2y <= 1 and 2x + y <= 1 }";
2223 bset1
= isl_basic_set_read_from_str(ctx
, str
);
2224 str
= "{ [x,0] : -1 <= x <= 1 and x mod 2 = 1 }" ;
2225 bset2
= isl_basic_set_read_from_str(ctx
, str
);
2226 set
= isl_basic_set_union(bset1
, bset2
);
2227 set
= isl_set_coalesce(set
);
2235 /* Check that calling isl_set_coalesce does not leave other sets
2236 * that may share some information with the input to isl_set_coalesce
2237 * in an inconsistent state.
2238 * In particular, older versions of isl would modify all copies
2239 * of the basic sets in the isl_set_coalesce input in a way
2240 * that could leave them in an inconsistent state.
2241 * The result of printing any other set containing one of these
2242 * basic sets would then result in an invalid set description.
2244 static int test_coalesce_special3(isl_ctx
*ctx
)
2248 isl_set
*set1
, *set2
;
2251 set1
= isl_set_read_from_str(ctx
, "{ [0, 0, 0] }");
2252 str
= "{ [a, b, a + b] : a >= 0 and b >= 0 and 0 < a + b }";
2253 set2
= isl_set_read_from_str(ctx
, str
);
2254 set1
= isl_set_union(set1
, isl_set_copy(set2
));
2255 set1
= isl_set_coalesce(set1
);
2258 p
= isl_printer_to_str(ctx
);
2259 p
= isl_printer_print_set(p
, set2
);
2261 s
= isl_printer_get_str(p
);
2262 isl_printer_free(p
);
2263 set1
= isl_set_read_from_str(ctx
, s
);
2273 /* Check that calling isl_set_coalesce does not leave other sets
2274 * that may share some information with the input to isl_set_coalesce
2275 * in an inconsistent state.
2276 * In particular, when isl_set_coalesce detects equality constraints,
2277 * it does not immediately perform Gaussian elimination on them,
2278 * but then it needs to ensure that it is performed at some point.
2279 * The input set has implicit equality constraints in the first disjunct.
2280 * It is constructed as an intersection, because otherwise
2281 * those equality constraints would already be detected during parsing.
2283 static isl_stat
test_coalesce_special4(isl_ctx
*ctx
)
2285 isl_set
*set1
, *set2
;
2287 set1
= isl_set_read_from_str(ctx
, "{ [a, b] : b <= 0 or a <= 1 }");
2288 set2
= isl_set_read_from_str(ctx
, "{ [a, b] : -1 <= -a < b }");
2289 set1
= isl_set_intersect(set1
, set2
);
2290 isl_set_free(isl_set_coalesce(isl_set_copy(set1
)));
2291 set1
= isl_set_coalesce(set1
);
2295 return isl_stat_error
;
2300 /* Test the functionality of isl_set_coalesce.
2301 * That is, check that the output is always equal to the input
2302 * and in some cases that the result consists of a single disjunct.
2304 static int test_coalesce(struct isl_ctx
*ctx
)
2308 for (i
= 0; i
< ARRAY_SIZE(coalesce_tests
); ++i
) {
2309 const char *str
= coalesce_tests
[i
].str
;
2310 int check_one
= coalesce_tests
[i
].single_disjunct
;
2311 if (test_coalesce_set(ctx
, str
, check_one
) < 0)
2315 if (test_coalesce_unbounded_wrapping(ctx
) < 0)
2317 if (test_coalesce_special(ctx
) < 0)
2319 if (test_coalesce_special2(ctx
) < 0)
2321 if (test_coalesce_special3(ctx
) < 0)
2323 if (test_coalesce_special4(ctx
) < 0)
2329 /* Construct a representation of the graph on the right of Figure 1
2330 * in "Computing the Transitive Closure of a Union of
2331 * Affine Integer Tuple Relations".
2333 static __isl_give isl_map
*cocoa_fig_1_right_graph(isl_ctx
*ctx
)
2336 isl_map
*up
, *right
;
2338 dom
= isl_set_read_from_str(ctx
,
2339 "{ [x,y] : x >= 0 and -2 x + 3 y >= 0 and x <= 3 and "
2340 "2 x - 3 y + 3 >= 0 }");
2341 right
= isl_map_read_from_str(ctx
,
2342 "{ [x,y] -> [x2,y2] : x2 = x + 1 and y2 = y }");
2343 up
= isl_map_read_from_str(ctx
,
2344 "{ [x,y] -> [x2,y2] : x2 = x and y2 = y + 1 }");
2345 right
= isl_map_intersect_domain(right
, isl_set_copy(dom
));
2346 right
= isl_map_intersect_range(right
, isl_set_copy(dom
));
2347 up
= isl_map_intersect_domain(up
, isl_set_copy(dom
));
2348 up
= isl_map_intersect_range(up
, dom
);
2349 return isl_map_union(up
, right
);
2352 /* Construct a representation of the power of the graph
2353 * on the right of Figure 1 in "Computing the Transitive Closure of
2354 * a Union of Affine Integer Tuple Relations".
2356 static __isl_give isl_map
*cocoa_fig_1_right_power(isl_ctx
*ctx
)
2358 return isl_map_read_from_str(ctx
,
2359 "{ [1] -> [[0,0] -> [0,1]]; [2] -> [[0,0] -> [1,1]]; "
2360 " [1] -> [[0,1] -> [1,1]]; [1] -> [[2,2] -> [3,2]]; "
2361 " [2] -> [[2,2] -> [3,3]]; [1] -> [[3,2] -> [3,3]] }");
2364 /* Construct a representation of the transitive closure of the graph
2365 * on the right of Figure 1 in "Computing the Transitive Closure of
2366 * a Union of Affine Integer Tuple Relations".
2368 static __isl_give isl_map
*cocoa_fig_1_right_tc(isl_ctx
*ctx
)
2370 return isl_set_unwrap(isl_map_range(cocoa_fig_1_right_power(ctx
)));
2373 static int test_closure(isl_ctx
*ctx
)
2376 isl_map
*map
, *map2
;
2379 /* COCOA example 1 */
2380 map
= isl_map_read_from_str(ctx
,
2381 "[n] -> { [i,j] -> [i2,j2] : i2 = i + 1 and j2 = j + 1 and "
2382 "1 <= i and i < n and 1 <= j and j < n or "
2383 "i2 = i + 1 and j2 = j - 1 and "
2384 "1 <= i and i < n and 2 <= j and j <= n }");
2385 map
= isl_map_power(map
, &exact
);
2389 /* COCOA example 1 */
2390 map
= isl_map_read_from_str(ctx
,
2391 "[n] -> { [i,j] -> [i2,j2] : i2 = i + 1 and j2 = j + 1 and "
2392 "1 <= i and i < n and 1 <= j and j < n or "
2393 "i2 = i + 1 and j2 = j - 1 and "
2394 "1 <= i and i < n and 2 <= j and j <= n }");
2395 map
= isl_map_transitive_closure(map
, &exact
);
2397 map2
= isl_map_read_from_str(ctx
,
2398 "[n] -> { [i,j] -> [i2,j2] : exists (k1,k2,k : "
2399 "1 <= i and i < n and 1 <= j and j <= n and "
2400 "2 <= i2 and i2 <= n and 1 <= j2 and j2 <= n and "
2401 "i2 = i + k1 + k2 and j2 = j + k1 - k2 and "
2402 "k1 >= 0 and k2 >= 0 and k1 + k2 = k and k >= 1 )}");
2403 assert(isl_map_is_equal(map
, map2
));
2407 map
= isl_map_read_from_str(ctx
,
2408 "[n] -> { [x] -> [y] : y = x + 1 and 0 <= x and x <= n and "
2409 " 0 <= y and y <= n }");
2410 map
= isl_map_transitive_closure(map
, &exact
);
2411 map2
= isl_map_read_from_str(ctx
,
2412 "[n] -> { [x] -> [y] : y > x and 0 <= x and x <= n and "
2413 " 0 <= y and y <= n }");
2414 assert(isl_map_is_equal(map
, map2
));
2418 /* COCOA example 2 */
2419 map
= isl_map_read_from_str(ctx
,
2420 "[n] -> { [i,j] -> [i2,j2] : i2 = i + 2 and j2 = j + 2 and "
2421 "1 <= i and i < n - 1 and 1 <= j and j < n - 1 or "
2422 "i2 = i + 2 and j2 = j - 2 and "
2423 "1 <= i and i < n - 1 and 3 <= j and j <= n }");
2424 map
= isl_map_transitive_closure(map
, &exact
);
2426 map2
= isl_map_read_from_str(ctx
,
2427 "[n] -> { [i,j] -> [i2,j2] : exists (k1,k2,k : "
2428 "1 <= i and i < n - 1 and 1 <= j and j <= n and "
2429 "3 <= i2 and i2 <= n and 1 <= j2 and j2 <= n and "
2430 "i2 = i + 2 k1 + 2 k2 and j2 = j + 2 k1 - 2 k2 and "
2431 "k1 >= 0 and k2 >= 0 and k1 + k2 = k and k >= 1) }");
2432 assert(isl_map_is_equal(map
, map2
));
2436 /* COCOA Fig.2 left */
2437 map
= isl_map_read_from_str(ctx
,
2438 "[n] -> { [i,j] -> [i2,j2] : i2 = i + 2 and j2 = j and "
2439 "i <= 2 j - 3 and i <= n - 2 and j <= 2 i - 1 and "
2441 "i2 = i and j2 = j + 2 and i <= 2 j - 1 and i <= n and "
2442 "j <= 2 i - 3 and j <= n - 2 or "
2443 "i2 = i + 1 and j2 = j + 1 and i <= 2 j - 1 and "
2444 "i <= n - 1 and j <= 2 i - 1 and j <= n - 1 }");
2445 map
= isl_map_transitive_closure(map
, &exact
);
2449 /* COCOA Fig.2 right */
2450 map
= isl_map_read_from_str(ctx
,
2451 "[n] -> { [i,j] -> [i2,j2] : i2 = i + 3 and j2 = j and "
2452 "i <= 2 j - 4 and i <= n - 3 and j <= 2 i - 1 and "
2454 "i2 = i and j2 = j + 3 and i <= 2 j - 1 and i <= n and "
2455 "j <= 2 i - 4 and j <= n - 3 or "
2456 "i2 = i + 1 and j2 = j + 1 and i <= 2 j - 1 and "
2457 "i <= n - 1 and j <= 2 i - 1 and j <= n - 1 }");
2458 map
= isl_map_power(map
, &exact
);
2462 /* COCOA Fig.2 right */
2463 map
= isl_map_read_from_str(ctx
,
2464 "[n] -> { [i,j] -> [i2,j2] : i2 = i + 3 and j2 = j and "
2465 "i <= 2 j - 4 and i <= n - 3 and j <= 2 i - 1 and "
2467 "i2 = i and j2 = j + 3 and i <= 2 j - 1 and i <= n and "
2468 "j <= 2 i - 4 and j <= n - 3 or "
2469 "i2 = i + 1 and j2 = j + 1 and i <= 2 j - 1 and "
2470 "i <= n - 1 and j <= 2 i - 1 and j <= n - 1 }");
2471 map
= isl_map_transitive_closure(map
, &exact
);
2473 map2
= isl_map_read_from_str(ctx
,
2474 "[n] -> { [i,j] -> [i2,j2] : exists (k1,k2,k3,k : "
2475 "i <= 2 j - 1 and i <= n and j <= 2 i - 1 and "
2476 "j <= n and 3 + i + 2 j <= 3 n and "
2477 "3 + 2 i + j <= 3n and i2 <= 2 j2 -1 and i2 <= n and "
2478 "i2 <= 3 j2 - 4 and j2 <= 2 i2 -1 and j2 <= n and "
2479 "13 + 4 j2 <= 11 i2 and i2 = i + 3 k1 + k3 and "
2480 "j2 = j + 3 k2 + k3 and k1 >= 0 and k2 >= 0 and "
2481 "k3 >= 0 and k1 + k2 + k3 = k and k > 0) }");
2482 assert(isl_map_is_equal(map
, map2
));
2486 map
= cocoa_fig_1_right_graph(ctx
);
2487 map
= isl_map_transitive_closure(map
, &exact
);
2489 map2
= cocoa_fig_1_right_tc(ctx
);
2490 assert(isl_map_is_equal(map
, map2
));
2494 map
= cocoa_fig_1_right_graph(ctx
);
2495 map
= isl_map_power(map
, &exact
);
2496 map2
= cocoa_fig_1_right_power(ctx
);
2497 equal
= isl_map_is_equal(map
, map2
);
2503 isl_die(ctx
, isl_error_unknown
, "power not exact", return -1);
2505 isl_die(ctx
, isl_error_unknown
, "unexpected power", return -1);
2507 /* COCOA Theorem 1 counter example */
2508 map
= isl_map_read_from_str(ctx
,
2509 "{ [i,j] -> [i2,j2] : i = 0 and 0 <= j and j <= 1 and "
2510 "i2 = 1 and j2 = j or "
2511 "i = 0 and j = 0 and i2 = 0 and j2 = 1 }");
2512 map
= isl_map_transitive_closure(map
, &exact
);
2516 map
= isl_map_read_from_str(ctx
,
2517 "[m,n] -> { [i,j] -> [i2,j2] : i2 = i and j2 = j + 2 and "
2518 "1 <= i,i2 <= n and 1 <= j,j2 <= m or "
2519 "i2 = i + 1 and 3 <= j2 - j <= 4 and "
2520 "1 <= i,i2 <= n and 1 <= j,j2 <= m }");
2521 map
= isl_map_transitive_closure(map
, &exact
);
2525 /* Kelly et al 1996, fig 12 */
2526 map
= isl_map_read_from_str(ctx
,
2527 "[n] -> { [i,j] -> [i2,j2] : i2 = i and j2 = j + 1 and "
2528 "1 <= i,j,j+1 <= n or "
2529 "j = n and j2 = 1 and i2 = i + 1 and "
2530 "1 <= i,i+1 <= n }");
2531 map
= isl_map_transitive_closure(map
, &exact
);
2533 map2
= isl_map_read_from_str(ctx
,
2534 "[n] -> { [i,j] -> [i2,j2] : 1 <= j < j2 <= n and "
2535 "1 <= i <= n and i = i2 or "
2536 "1 <= i < i2 <= n and 1 <= j <= n and "
2538 assert(isl_map_is_equal(map
, map2
));
2542 /* Omega's closure4 */
2543 map
= isl_map_read_from_str(ctx
,
2544 "[m,n] -> { [x,y] -> [x2,y2] : x2 = x and y2 = y + 1 and "
2545 "1 <= x,y <= 10 or "
2546 "x2 = x + 1 and y2 = y and "
2547 "1 <= x <= 20 && 5 <= y <= 15 }");
2548 map
= isl_map_transitive_closure(map
, &exact
);
2552 map
= isl_map_read_from_str(ctx
,
2553 "[n] -> { [x] -> [y]: 1 <= n <= y - x <= 10 }");
2554 map
= isl_map_transitive_closure(map
, &exact
);
2556 map2
= isl_map_read_from_str(ctx
,
2557 "[n] -> { [x] -> [y] : 1 <= n <= 10 and y >= n + x }");
2558 assert(isl_map_is_equal(map
, map2
));
2562 str
= "[n, m] -> { [i0, i1, i2, i3] -> [o0, o1, o2, o3] : "
2563 "i3 = 1 and o0 = i0 and o1 = -1 + i1 and o2 = -1 + i2 and "
2564 "o3 = -2 + i2 and i1 <= -1 + i0 and i1 >= 1 - m + i0 and "
2565 "i1 >= 2 and i1 <= n and i2 >= 3 and i2 <= 1 + n and i2 <= m }";
2566 map
= isl_map_read_from_str(ctx
, str
);
2567 map
= isl_map_transitive_closure(map
, &exact
);
2569 map2
= isl_map_read_from_str(ctx
, str
);
2570 assert(isl_map_is_equal(map
, map2
));
2574 str
= "{[0] -> [1]; [2] -> [3]}";
2575 map
= isl_map_read_from_str(ctx
, str
);
2576 map
= isl_map_transitive_closure(map
, &exact
);
2578 map2
= isl_map_read_from_str(ctx
, str
);
2579 assert(isl_map_is_equal(map
, map2
));
2583 str
= "[n] -> { [[i0, i1, 1, 0, i0] -> [i5, 1]] -> "
2584 "[[i0, -1 + i1, 2, 0, i0] -> [-1 + i5, 2]] : "
2585 "exists (e0 = [(3 - n)/3]: i5 >= 2 and i1 >= 2 and "
2586 "3i0 <= -1 + n and i1 <= -1 + n and i5 <= -1 + n and "
2587 "3e0 >= 1 - n and 3e0 <= 2 - n and 3i0 >= -2 + n); "
2588 "[[i0, i1, 2, 0, i0] -> [i5, 1]] -> "
2589 "[[i0, i1, 1, 0, i0] -> [-1 + i5, 2]] : "
2590 "exists (e0 = [(3 - n)/3]: i5 >= 2 and i1 >= 1 and "
2591 "3i0 <= -1 + n and i1 <= -1 + n and i5 <= -1 + n and "
2592 "3e0 >= 1 - n and 3e0 <= 2 - n and 3i0 >= -2 + n); "
2593 "[[i0, i1, 1, 0, i0] -> [i5, 2]] -> "
2594 "[[i0, -1 + i1, 2, 0, i0] -> [i5, 1]] : "
2595 "exists (e0 = [(3 - n)/3]: i1 >= 2 and i5 >= 1 and "
2596 "3i0 <= -1 + n and i1 <= -1 + n and i5 <= -1 + n and "
2597 "3e0 >= 1 - n and 3e0 <= 2 - n and 3i0 >= -2 + n); "
2598 "[[i0, i1, 2, 0, i0] -> [i5, 2]] -> "
2599 "[[i0, i1, 1, 0, i0] -> [i5, 1]] : "
2600 "exists (e0 = [(3 - n)/3]: i5 >= 1 and i1 >= 1 and "
2601 "3i0 <= -1 + n and i1 <= -1 + n and i5 <= -1 + n and "
2602 "3e0 >= 1 - n and 3e0 <= 2 - n and 3i0 >= -2 + n) }";
2603 map
= isl_map_read_from_str(ctx
, str
);
2604 map
= isl_map_transitive_closure(map
, NULL
);
2611 /* Check that the actual result of a boolean operation is equal
2612 * to the expected result.
2614 static isl_stat
check_bool(isl_ctx
*ctx
, isl_bool actual
, isl_bool expected
)
2616 if (actual
!= expected
)
2617 isl_die(ctx
, isl_error_unknown
,
2618 "incorrect boolean operation", return isl_stat_error
);
2622 /* Test operations on isl_bool values.
2629 static int test_isl_bool(isl_ctx
*ctx
)
2631 if (check_bool(ctx
, isl_bool_not(isl_bool_true
), isl_bool_false
) < 0)
2633 if (check_bool(ctx
, isl_bool_not(isl_bool_false
), isl_bool_true
) < 0)
2635 if (check_bool(ctx
, isl_bool_not(isl_bool_error
), isl_bool_error
) < 0)
2637 if (check_bool(ctx
, isl_bool_ok(0), isl_bool_false
) < 0)
2639 if (check_bool(ctx
, isl_bool_ok(1), isl_bool_true
) < 0)
2641 if (check_bool(ctx
, isl_bool_ok(-1), isl_bool_true
) < 0)
2643 if (check_bool(ctx
, isl_bool_ok(2), isl_bool_true
) < 0)
2645 if (check_bool(ctx
, isl_bool_ok(-2), isl_bool_true
) < 0)
2651 static int test_lex(struct isl_ctx
*ctx
)
2657 dim
= isl_space_set_alloc(ctx
, 0, 0);
2658 map
= isl_map_lex_le(dim
);
2659 empty
= isl_map_is_empty(map
);
2665 isl_die(ctx
, isl_error_unknown
,
2666 "expecting non-empty result", return -1);
2671 /* Inputs for isl_map_lexmin tests.
2672 * "map" is the input and "lexmin" is the expected result.
2677 } lexmin_tests
[] = {
2678 { "{ [x] -> [y] : x <= y <= 10; [x] -> [5] : -8 <= x <= 8 }",
2679 "{ [x] -> [5] : 6 <= x <= 8; "
2680 "[x] -> [x] : x <= 5 or (9 <= x <= 10) }" },
2681 { "{ [x] -> [y] : 4y = x or 4y = -1 + x or 4y = -2 + x }",
2682 "{ [x] -> [y] : 4y = x or 4y = -1 + x or 4y = -2 + x }" },
2683 { "{ [x] -> [y] : x = 4y; [x] -> [y] : x = 2y }",
2684 "{ [x] -> [y] : (4y = x and x >= 0) or "
2685 "(exists (e0 = [(x)/4], e1 = [(-2 + x)/4]: 2y = x and "
2686 "4e1 = -2 + x and 4e0 <= -1 + x and 4e0 >= -3 + x)) or "
2687 "(exists (e0 = [(x)/4]: 2y = x and 4e0 = x and x <= -4)) }" },
2688 { "{ T[a] -> S[b, c] : a = 4b-2c and c >= b }",
2689 "{ T[a] -> S[b, c] : 2b = a and 2c = a }" },
2690 /* Check that empty pieces are properly combined. */
2691 { "[K, N] -> { [x, y] -> [a, b] : K+2<=N<=K+4 and x>=4 and "
2692 "2N-6<=x<K+N and N-1<=a<=K+N-1 and N+b-6<=a<=2N-4 and "
2693 "b<=2N-3K+a and 3b<=4N-K+1 and b>=N and a>=x+1 }",
2694 "[K, N] -> { [x, y] -> [1 + x, N] : x >= -6 + 2N and "
2695 "x <= -5 + 2N and x >= -1 + 3K - N and x <= -2 + K + N and "
2697 { "{ [i, k, j] -> [a, b, c, d] : 8*floor((b)/8) = b and k <= 255 and "
2698 "a <= 255 and c <= 255 and d <= 255 - j and "
2699 "255 - j <= 7d <= 7 - i and 240d <= 239 + a and "
2700 "247d <= 247 + k - j and 247d <= 247 + k - b and "
2701 "247d <= 247 + i and 248 - b <= 248d <= c and "
2702 "254d >= i - a + b and 254d >= -a + b and "
2703 "255d >= -i + a - b and 1792d >= -63736 + 257b }",
2705 "[-127762 + i + 502j, -62992 + 248j, 63240 - 248j, 255 - j] : "
2706 "k <= 255 and 7j >= 1778 + i and 246j >= 62738 - k and "
2707 "247j >= 62738 - i and 509j <= 129795 + i and "
2708 "742j >= 188724 - i; "
2709 "[0, k, j] -> [1, 0, 248, 1] : k <= 255 and 248 <= j <= 254, k }" },
2710 { "{ [a] -> [b] : 0 <= b <= 255 and -509 + a <= 512b < a and "
2711 "16*floor((8 + b)/16) <= 7 + b; "
2713 "{ [a] -> [b = 1] : a >= 510 or a <= 0; "
2714 "[a] -> [b = 0] : 0 < a <= 509 }" },
2715 { "{ rat: [i] : 1 <= 2i <= 9 }", "{ rat: [i] : 2i = 1 }" },
2716 { "{ rat: [i] : 1 <= 2i <= 9 or i >= 10 }", "{ rat: [i] : 2i = 1 }" },
2719 static int test_lexmin(struct isl_ctx
*ctx
)
2724 isl_basic_map
*bmap
;
2725 isl_map
*map
, *map2
;
2728 isl_pw_multi_aff
*pma
;
2730 str
= "[p0, p1] -> { [] -> [] : "
2731 "exists (e0 = [(2p1)/3], e1, e2, e3 = [(3 - p1 + 3e0)/3], "
2732 "e4 = [(p1)/3], e5 = [(p1 + 3e4)/3]: "
2733 "3e0 >= -2 + 2p1 and 3e0 >= p1 and 3e3 >= 1 - p1 + 3e0 and "
2734 "3e0 <= 2p1 and 3e3 >= -2 + p1 and 3e3 <= -1 + p1 and p1 >= 3 and "
2735 "3e5 >= -2 + 2p1 and 3e5 >= p1 and 3e5 <= -1 + p1 + 3e4 and "
2736 "3e4 <= p1 and 3e4 >= -2 + p1 and e3 <= -1 + e0 and "
2737 "3e4 >= 6 - p1 + 3e1 and 3e1 >= p1 and 3e5 >= -2 + p1 + 3e4 and "
2738 "2e4 >= 3 - p1 + 2e1 and e4 <= e1 and 3e3 <= 2 - p1 + 3e0 and "
2739 "e5 >= 1 + e1 and 3e4 >= 6 - 2p1 + 3e1 and "
2740 "p0 >= 2 and p1 >= p0 and 3e2 >= p1 and 3e4 >= 6 - p1 + 3e2 and "
2741 "e2 <= e1 and e3 >= 1 and e4 <= e2) }";
2742 map
= isl_map_read_from_str(ctx
, str
);
2743 map
= isl_map_lexmin(map
);
2746 str
= "[C] -> { [obj,a,b,c] : obj <= 38 a + 7 b + 10 c and "
2747 "a + b <= 1 and c <= 10 b and c <= C and a,b,c,C >= 0 }";
2748 set
= isl_set_read_from_str(ctx
, str
);
2749 set
= isl_set_lexmax(set
);
2750 str
= "[C] -> { [obj,a,b,c] : C = 8 }";
2751 set2
= isl_set_read_from_str(ctx
, str
);
2752 set
= isl_set_intersect(set
, set2
);
2753 assert(!isl_set_is_empty(set
));
2756 for (i
= 0; i
< ARRAY_SIZE(lexmin_tests
); ++i
) {
2757 map
= isl_map_read_from_str(ctx
, lexmin_tests
[i
].map
);
2758 map
= isl_map_lexmin(map
);
2759 map2
= isl_map_read_from_str(ctx
, lexmin_tests
[i
].lexmin
);
2760 equal
= isl_map_is_equal(map
, map2
);
2767 isl_die(ctx
, isl_error_unknown
,
2768 "unexpected result", return -1);
2771 str
= "{ [i] -> [i', j] : j = i - 8i' and i' >= 0 and i' <= 7 and "
2772 " 8i' <= i and 8i' >= -7 + i }";
2773 bmap
= isl_basic_map_read_from_str(ctx
, str
);
2774 pma
= isl_basic_map_lexmin_pw_multi_aff(isl_basic_map_copy(bmap
));
2775 map2
= isl_map_from_pw_multi_aff(pma
);
2776 map
= isl_map_from_basic_map(bmap
);
2777 assert(isl_map_is_equal(map
, map2
));
2781 str
= "[i] -> { [i', j] : j = i - 8i' and i' >= 0 and i' <= 7 and "
2782 " 8i' <= i and 8i' >= -7 + i }";
2783 set
= isl_set_read_from_str(ctx
, str
);
2784 pma
= isl_set_lexmin_pw_multi_aff(isl_set_copy(set
));
2785 set2
= isl_set_from_pw_multi_aff(pma
);
2786 equal
= isl_set_is_equal(set
, set2
);
2792 isl_die(ctx
, isl_error_unknown
,
2793 "unexpected difference between set and "
2794 "piecewise affine expression", return -1);
2799 /* A specialized isl_set_min_val test case that would return the wrong result
2800 * in earlier versions of isl.
2801 * The explicit call to isl_basic_set_union prevents the second basic set
2802 * from being determined to be empty prior to the call to isl_set_min_val,
2803 * at least at the point where this test case was introduced.
2805 static int test_min_special(isl_ctx
*ctx
)
2808 isl_basic_set
*bset1
, *bset2
;
2814 str
= "{ [a, b] : a >= 2 and b >= 0 and 14 - a <= b <= 9 }";
2815 bset1
= isl_basic_set_read_from_str(ctx
, str
);
2816 str
= "{ [a, b] : 1 <= a, b and a + b <= 1 }";
2817 bset2
= isl_basic_set_read_from_str(ctx
, str
);
2818 set
= isl_basic_set_union(bset1
, bset2
);
2819 obj
= isl_aff_read_from_str(ctx
, "{ [a, b] -> [a] }");
2821 res
= isl_set_min_val(set
, obj
);
2822 ok
= isl_val_cmp_si(res
, 5) == 0;
2831 isl_die(ctx
, isl_error_unknown
, "unexpected minimum",
2837 /* A specialized isl_set_min_val test case that would return an error
2838 * in earlier versions of isl.
2840 static int test_min_special2(isl_ctx
*ctx
)
2843 isl_basic_set
*bset
;
2847 str
= "{ [i, j, k] : 2j = i and 2k = i + 1 and i >= 2 }";
2848 bset
= isl_basic_set_read_from_str(ctx
, str
);
2850 obj
= isl_aff_read_from_str(ctx
, "{ [i, j, k] -> [i] }");
2852 res
= isl_basic_set_max_val(bset
, obj
);
2854 isl_basic_set_free(bset
);
2867 __isl_give isl_val
*(*fn
)(__isl_keep isl_set
*set
,
2868 __isl_keep isl_aff
*obj
);
2871 { "{ [-1]; [1] }", "{ [x] -> [x] }", &isl_set_min_val
, "-1" },
2872 { "{ [-1]; [1] }", "{ [x] -> [x] }", &isl_set_max_val
, "1" },
2873 { "{ [a, b] : 0 <= a, b <= 100 and b mod 2 = 0}",
2874 "{ [a, b] -> [floor((b - 2*floor((-a)/4))/5)] }",
2875 &isl_set_max_val
, "30" },
2879 /* Perform basic isl_set_min_val and isl_set_max_val tests.
2880 * In particular, check the results on non-convex inputs.
2882 static int test_min(struct isl_ctx
*ctx
)
2890 for (i
= 0; i
< ARRAY_SIZE(opt_tests
); ++i
) {
2891 set
= isl_set_read_from_str(ctx
, opt_tests
[i
].set
);
2892 obj
= isl_aff_read_from_str(ctx
, opt_tests
[i
].obj
);
2893 res
= isl_val_read_from_str(ctx
, opt_tests
[i
].res
);
2894 val
= opt_tests
[i
].fn(set
, obj
);
2895 ok
= isl_val_eq(res
, val
);
2904 isl_die(ctx
, isl_error_unknown
,
2905 "unexpected optimum", return -1);
2908 if (test_min_special(ctx
) < 0)
2910 if (test_min_special2(ctx
) < 0)
2921 static isl_stat
collect_must_may(__isl_take isl_map
*dep
, int must
,
2922 void *dep_user
, void *user
)
2924 struct must_may
*mm
= (struct must_may
*)user
;
2927 mm
->must
= isl_map_union(mm
->must
, dep
);
2929 mm
->may
= isl_map_union(mm
->may
, dep
);
2934 static int common_space(void *first
, void *second
)
2936 int depth
= *(int *)first
;
2940 static int map_is_equal(__isl_keep isl_map
*map
, const char *str
)
2948 map2
= isl_map_read_from_str(map
->ctx
, str
);
2949 equal
= isl_map_is_equal(map
, map2
);
2955 static int map_check_equal(__isl_keep isl_map
*map
, const char *str
)
2959 equal
= map_is_equal(map
, str
);
2963 isl_die(isl_map_get_ctx(map
), isl_error_unknown
,
2964 "result not as expected", return -1);
2968 static int test_dep(struct isl_ctx
*ctx
)
2973 isl_access_info
*ai
;
2980 str
= "{ [2,i,0] -> [i] : 0 <= i <= 10 }";
2981 map
= isl_map_read_from_str(ctx
, str
);
2982 ai
= isl_access_info_alloc(map
, &depth
, &common_space
, 2);
2984 str
= "{ [0,i,0] -> [i] : 0 <= i <= 10 }";
2985 map
= isl_map_read_from_str(ctx
, str
);
2986 ai
= isl_access_info_add_source(ai
, map
, 1, &depth
);
2988 str
= "{ [1,i,0] -> [5] : 0 <= i <= 10 }";
2989 map
= isl_map_read_from_str(ctx
, str
);
2990 ai
= isl_access_info_add_source(ai
, map
, 1, &depth
);
2992 flow
= isl_access_info_compute_flow(ai
);
2993 dim
= isl_space_alloc(ctx
, 0, 3, 3);
2994 mm
.must
= isl_map_empty(isl_space_copy(dim
));
2995 mm
.may
= isl_map_empty(dim
);
2997 isl_flow_foreach(flow
, collect_must_may
, &mm
);
2999 str
= "{ [0,i,0] -> [2,i,0] : (0 <= i <= 4) or (6 <= i <= 10); "
3000 " [1,10,0] -> [2,5,0] }";
3001 assert(map_is_equal(mm
.must
, str
));
3002 str
= "{ [i,j,k] -> [l,m,n] : 1 = 0 }";
3003 assert(map_is_equal(mm
.may
, str
));
3005 isl_map_free(mm
.must
);
3006 isl_map_free(mm
.may
);
3007 isl_flow_free(flow
);
3010 str
= "{ [2,i,0] -> [i] : 0 <= i <= 10 }";
3011 map
= isl_map_read_from_str(ctx
, str
);
3012 ai
= isl_access_info_alloc(map
, &depth
, &common_space
, 2);
3014 str
= "{ [0,i,0] -> [i] : 0 <= i <= 10 }";
3015 map
= isl_map_read_from_str(ctx
, str
);
3016 ai
= isl_access_info_add_source(ai
, map
, 1, &depth
);
3018 str
= "{ [1,i,0] -> [5] : 0 <= i <= 10 }";
3019 map
= isl_map_read_from_str(ctx
, str
);
3020 ai
= isl_access_info_add_source(ai
, map
, 0, &depth
);
3022 flow
= isl_access_info_compute_flow(ai
);
3023 dim
= isl_space_alloc(ctx
, 0, 3, 3);
3024 mm
.must
= isl_map_empty(isl_space_copy(dim
));
3025 mm
.may
= isl_map_empty(dim
);
3027 isl_flow_foreach(flow
, collect_must_may
, &mm
);
3029 str
= "{ [0,i,0] -> [2,i,0] : (0 <= i <= 4) or (6 <= i <= 10) }";
3030 assert(map_is_equal(mm
.must
, str
));
3031 str
= "{ [0,5,0] -> [2,5,0]; [1,i,0] -> [2,5,0] : 0 <= i <= 10 }";
3032 assert(map_is_equal(mm
.may
, str
));
3034 isl_map_free(mm
.must
);
3035 isl_map_free(mm
.may
);
3036 isl_flow_free(flow
);
3039 str
= "{ [2,i,0] -> [i] : 0 <= i <= 10 }";
3040 map
= isl_map_read_from_str(ctx
, str
);
3041 ai
= isl_access_info_alloc(map
, &depth
, &common_space
, 2);
3043 str
= "{ [0,i,0] -> [i] : 0 <= i <= 10 }";
3044 map
= isl_map_read_from_str(ctx
, str
);
3045 ai
= isl_access_info_add_source(ai
, map
, 0, &depth
);
3047 str
= "{ [1,i,0] -> [5] : 0 <= i <= 10 }";
3048 map
= isl_map_read_from_str(ctx
, str
);
3049 ai
= isl_access_info_add_source(ai
, map
, 0, &depth
);
3051 flow
= isl_access_info_compute_flow(ai
);
3052 dim
= isl_space_alloc(ctx
, 0, 3, 3);
3053 mm
.must
= isl_map_empty(isl_space_copy(dim
));
3054 mm
.may
= isl_map_empty(dim
);
3056 isl_flow_foreach(flow
, collect_must_may
, &mm
);
3058 str
= "{ [0,i,0] -> [2,i,0] : 0 <= i <= 10; "
3059 " [1,i,0] -> [2,5,0] : 0 <= i <= 10 }";
3060 assert(map_is_equal(mm
.may
, str
));
3061 str
= "{ [i,j,k] -> [l,m,n] : 1 = 0 }";
3062 assert(map_is_equal(mm
.must
, str
));
3064 isl_map_free(mm
.must
);
3065 isl_map_free(mm
.may
);
3066 isl_flow_free(flow
);
3069 str
= "{ [0,i,2] -> [i] : 0 <= i <= 10 }";
3070 map
= isl_map_read_from_str(ctx
, str
);
3071 ai
= isl_access_info_alloc(map
, &depth
, &common_space
, 2);
3073 str
= "{ [0,i,0] -> [i] : 0 <= i <= 10 }";
3074 map
= isl_map_read_from_str(ctx
, str
);
3075 ai
= isl_access_info_add_source(ai
, map
, 0, &depth
);
3077 str
= "{ [0,i,1] -> [5] : 0 <= i <= 10 }";
3078 map
= isl_map_read_from_str(ctx
, str
);
3079 ai
= isl_access_info_add_source(ai
, map
, 0, &depth
);
3081 flow
= isl_access_info_compute_flow(ai
);
3082 dim
= isl_space_alloc(ctx
, 0, 3, 3);
3083 mm
.must
= isl_map_empty(isl_space_copy(dim
));
3084 mm
.may
= isl_map_empty(dim
);
3086 isl_flow_foreach(flow
, collect_must_may
, &mm
);
3088 str
= "{ [0,i,0] -> [0,i,2] : 0 <= i <= 10; "
3089 " [0,i,1] -> [0,5,2] : 0 <= i <= 5 }";
3090 assert(map_is_equal(mm
.may
, str
));
3091 str
= "{ [i,j,k] -> [l,m,n] : 1 = 0 }";
3092 assert(map_is_equal(mm
.must
, str
));
3094 isl_map_free(mm
.must
);
3095 isl_map_free(mm
.may
);
3096 isl_flow_free(flow
);
3099 str
= "{ [0,i,1] -> [i] : 0 <= i <= 10 }";
3100 map
= isl_map_read_from_str(ctx
, str
);
3101 ai
= isl_access_info_alloc(map
, &depth
, &common_space
, 2);
3103 str
= "{ [0,i,0] -> [i] : 0 <= i <= 10 }";
3104 map
= isl_map_read_from_str(ctx
, str
);
3105 ai
= isl_access_info_add_source(ai
, map
, 0, &depth
);
3107 str
= "{ [0,i,2] -> [5] : 0 <= i <= 10 }";
3108 map
= isl_map_read_from_str(ctx
, str
);
3109 ai
= isl_access_info_add_source(ai
, map
, 0, &depth
);
3111 flow
= isl_access_info_compute_flow(ai
);
3112 dim
= isl_space_alloc(ctx
, 0, 3, 3);
3113 mm
.must
= isl_map_empty(isl_space_copy(dim
));
3114 mm
.may
= isl_map_empty(dim
);
3116 isl_flow_foreach(flow
, collect_must_may
, &mm
);
3118 str
= "{ [0,i,0] -> [0,i,1] : 0 <= i <= 10; "
3119 " [0,i,2] -> [0,5,1] : 0 <= i <= 4 }";
3120 assert(map_is_equal(mm
.may
, str
));
3121 str
= "{ [i,j,k] -> [l,m,n] : 1 = 0 }";
3122 assert(map_is_equal(mm
.must
, str
));
3124 isl_map_free(mm
.must
);
3125 isl_map_free(mm
.may
);
3126 isl_flow_free(flow
);
3131 str
= "{ [1,i,0,0,0] -> [i,j] : 0 <= i <= 10 and 0 <= j <= 10 }";
3132 map
= isl_map_read_from_str(ctx
, str
);
3133 ai
= isl_access_info_alloc(map
, &depth
, &common_space
, 1);
3135 str
= "{ [0,i,0,j,0] -> [i,j] : 0 <= i <= 10 and 0 <= j <= 10 }";
3136 map
= isl_map_read_from_str(ctx
, str
);
3137 ai
= isl_access_info_add_source(ai
, map
, 1, &depth
);
3139 flow
= isl_access_info_compute_flow(ai
);
3140 dim
= isl_space_alloc(ctx
, 0, 5, 5);
3141 mm
.must
= isl_map_empty(isl_space_copy(dim
));
3142 mm
.may
= isl_map_empty(dim
);
3144 isl_flow_foreach(flow
, collect_must_may
, &mm
);
3146 str
= "{ [0,i,0,j,0] -> [1,i,0,0,0] : 0 <= i,j <= 10 }";
3147 assert(map_is_equal(mm
.must
, str
));
3148 str
= "{ [0,0,0,0,0] -> [0,0,0,0,0] : 1 = 0 }";
3149 assert(map_is_equal(mm
.may
, str
));
3151 isl_map_free(mm
.must
);
3152 isl_map_free(mm
.may
);
3153 isl_flow_free(flow
);
3158 /* Check that the dependence analysis proceeds without errors.
3159 * Earlier versions of isl would break down during the analysis
3160 * due to the use of the wrong spaces.
3162 static int test_flow(isl_ctx
*ctx
)
3165 isl_union_map
*access
, *schedule
;
3166 isl_union_map
*must_dep
, *may_dep
;
3169 str
= "{ S0[j] -> i[]; S1[j,i] -> i[]; S2[] -> i[]; S3[] -> i[] }";
3170 access
= isl_union_map_read_from_str(ctx
, str
);
3171 str
= "{ S0[j] -> [0,j,0,0] : 0 <= j < 10; "
3172 "S1[j,i] -> [0,j,1,i] : 0 <= j < i < 10; "
3173 "S2[] -> [1,0,0,0]; "
3174 "S3[] -> [-1,0,0,0] }";
3175 schedule
= isl_union_map_read_from_str(ctx
, str
);
3176 r
= isl_union_map_compute_flow(access
, isl_union_map_copy(access
),
3177 isl_union_map_copy(access
), schedule
,
3178 &must_dep
, &may_dep
, NULL
, NULL
);
3179 isl_union_map_free(may_dep
);
3180 isl_union_map_free(must_dep
);
3189 { "[N] -> { [i] -> [f] : 0 <= i <= N and 0 <= i - 10 f <= 9 }", 1 },
3190 { "[N] -> { [i] -> [f] : 0 <= i <= N and 0 <= i - 10 f <= 10 }", 0 },
3191 { "{ [i] -> [3*floor(i/2) + 5*floor(i/3)] }", 1 },
3192 { "{ S1[i] -> [i] : 0 <= i <= 9; S2[i] -> [i] : 0 <= i <= 9 }", 1 },
3193 { "{ [i] -> S1[i] : 0 <= i <= 9; [i] -> S2[i] : 0 <= i <= 9 }", 0 },
3194 { "{ A[i] -> [i]; B[i] -> [i]; B[i] -> [i + 1] }", 0 },
3195 { "{ A[i] -> [i]; B[i] -> [i] : i < 0; B[i] -> [i + 1] : i > 0 }", 1 },
3196 { "{ A[i] -> [i]; B[i] -> A[i] : i < 0; B[i] -> [i + 1] : i > 0 }", 1 },
3197 { "{ A[i] -> [i]; B[i] -> [j] : i - 1 <= j <= i }", 0 },
3200 int test_sv(isl_ctx
*ctx
)
3202 isl_union_map
*umap
;
3206 for (i
= 0; i
< ARRAY_SIZE(sv_tests
); ++i
) {
3207 umap
= isl_union_map_read_from_str(ctx
, sv_tests
[i
].map
);
3208 sv
= isl_union_map_is_single_valued(umap
);
3209 isl_union_map_free(umap
);
3212 if (sv_tests
[i
].sv
&& !sv
)
3213 isl_die(ctx
, isl_error_internal
,
3214 "map not detected as single valued", return -1);
3215 if (!sv_tests
[i
].sv
&& sv
)
3216 isl_die(ctx
, isl_error_internal
,
3217 "map detected as single valued", return -1);
3226 } bijective_tests
[] = {
3227 { "[N,M]->{[i,j] -> [i]}", 0 },
3228 { "[N,M]->{[i,j] -> [i] : j=i}", 1 },
3229 { "[N,M]->{[i,j] -> [i] : j=0}", 1 },
3230 { "[N,M]->{[i,j] -> [i] : j=N}", 1 },
3231 { "[N,M]->{[i,j] -> [j,i]}", 1 },
3232 { "[N,M]->{[i,j] -> [i+j]}", 0 },
3233 { "[N,M]->{[i,j] -> []}", 0 },
3234 { "[N,M]->{[i,j] -> [i,j,N]}", 1 },
3235 { "[N,M]->{[i,j] -> [2i]}", 0 },
3236 { "[N,M]->{[i,j] -> [i,i]}", 0 },
3237 { "[N,M]->{[i,j] -> [2i,i]}", 0 },
3238 { "[N,M]->{[i,j] -> [2i,j]}", 1 },
3239 { "[N,M]->{[i,j] -> [x,y] : 2x=i & y =j}", 1 },
3242 static int test_bijective(struct isl_ctx
*ctx
)
3248 for (i
= 0; i
< ARRAY_SIZE(bijective_tests
); ++i
) {
3249 map
= isl_map_read_from_str(ctx
, bijective_tests
[i
].str
);
3250 bijective
= isl_map_is_bijective(map
);
3254 if (bijective_tests
[i
].bijective
&& !bijective
)
3255 isl_die(ctx
, isl_error_internal
,
3256 "map not detected as bijective", return -1);
3257 if (!bijective_tests
[i
].bijective
&& bijective
)
3258 isl_die(ctx
, isl_error_internal
,
3259 "map detected as bijective", return -1);
3265 /* Inputs for isl_pw_qpolynomial_gist tests.
3266 * "pwqp" is the input, "set" is the context and "gist" is the expected result.
3272 } pwqp_gist_tests
[] = {
3273 { "{ [i] -> i }", "{ [k] : exists a : k = 2a }", "{ [i] -> i }" },
3274 { "{ [i] -> i + [ (i + [i/3])/2 ] }", "{ [10] }", "{ [i] -> 16 }" },
3275 { "{ [i] -> ([(i)/2]) }", "{ [k] : exists a : k = 2a+1 }",
3276 "{ [i] -> -1/2 + 1/2 * i }" },
3277 { "{ [i] -> i^2 : i != 0 }", "{ [i] : i != 0 }", "{ [i] -> i^2 }" },
3280 static int test_pwqp(struct isl_ctx
*ctx
)
3285 isl_pw_qpolynomial
*pwqp1
, *pwqp2
;
3288 str
= "{ [i,j,k] -> 1 + 9 * [i/5] + 7 * [j/11] + 4 * [k/13] }";
3289 pwqp1
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3291 pwqp1
= isl_pw_qpolynomial_move_dims(pwqp1
, isl_dim_param
, 0,
3294 str
= "[j] -> { [i,k] -> 1 + 9 * [i/5] + 7 * [j/11] + 4 * [k/13] }";
3295 pwqp2
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3297 pwqp1
= isl_pw_qpolynomial_sub(pwqp1
, pwqp2
);
3299 assert(isl_pw_qpolynomial_is_zero(pwqp1
));
3301 isl_pw_qpolynomial_free(pwqp1
);
3303 for (i
= 0; i
< ARRAY_SIZE(pwqp_gist_tests
); ++i
) {
3304 str
= pwqp_gist_tests
[i
].pwqp
;
3305 pwqp1
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3306 str
= pwqp_gist_tests
[i
].set
;
3307 set
= isl_set_read_from_str(ctx
, str
);
3308 pwqp1
= isl_pw_qpolynomial_gist(pwqp1
, set
);
3309 str
= pwqp_gist_tests
[i
].gist
;
3310 pwqp2
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3311 pwqp1
= isl_pw_qpolynomial_sub(pwqp1
, pwqp2
);
3312 equal
= isl_pw_qpolynomial_is_zero(pwqp1
);
3313 isl_pw_qpolynomial_free(pwqp1
);
3318 isl_die(ctx
, isl_error_unknown
,
3319 "unexpected result", return -1);
3322 str
= "{ [i] -> ([([i/2] + [i/2])/5]) }";
3323 pwqp1
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3324 str
= "{ [i] -> ([(2 * [i/2])/5]) }";
3325 pwqp2
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3327 pwqp1
= isl_pw_qpolynomial_sub(pwqp1
, pwqp2
);
3329 assert(isl_pw_qpolynomial_is_zero(pwqp1
));
3331 isl_pw_qpolynomial_free(pwqp1
);
3333 str
= "{ [x] -> ([x/2] + [(x+1)/2]) }";
3334 pwqp1
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3335 str
= "{ [x] -> x }";
3336 pwqp2
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3338 pwqp1
= isl_pw_qpolynomial_sub(pwqp1
, pwqp2
);
3340 assert(isl_pw_qpolynomial_is_zero(pwqp1
));
3342 isl_pw_qpolynomial_free(pwqp1
);
3344 str
= "{ [i] -> ([i/2]) : i >= 0; [i] -> ([i/3]) : i < 0 }";
3345 pwqp1
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3346 pwqp2
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3347 pwqp1
= isl_pw_qpolynomial_coalesce(pwqp1
);
3348 pwqp1
= isl_pw_qpolynomial_sub(pwqp1
, pwqp2
);
3349 assert(isl_pw_qpolynomial_is_zero(pwqp1
));
3350 isl_pw_qpolynomial_free(pwqp1
);
3352 str
= "{ [a,b,a] -> (([(2*[a/3]+b)/5]) * ([(2*[a/3]+b)/5])) }";
3353 pwqp2
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3354 str
= "{ [a,b,c] -> (([(2*[a/3]+b)/5]) * ([(2*[c/3]+b)/5])) }";
3355 pwqp1
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3356 set
= isl_set_read_from_str(ctx
, "{ [a,b,a] }");
3357 pwqp1
= isl_pw_qpolynomial_intersect_domain(pwqp1
, set
);
3358 equal
= isl_pw_qpolynomial_plain_is_equal(pwqp1
, pwqp2
);
3359 isl_pw_qpolynomial_free(pwqp1
);
3360 isl_pw_qpolynomial_free(pwqp2
);
3364 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
3366 str
= "{ [a,b,c] -> (([(2*[a/3]+1)/5]) * ([(2*[c/3]+1)/5])) : b = 1 }";
3367 pwqp2
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3368 str
= "{ [a,b,c] -> (([(2*[a/3]+b)/5]) * ([(2*[c/3]+b)/5])) }";
3369 pwqp1
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3370 pwqp1
= isl_pw_qpolynomial_fix_val(pwqp1
, isl_dim_set
, 1,
3372 equal
= isl_pw_qpolynomial_plain_is_equal(pwqp1
, pwqp2
);
3373 isl_pw_qpolynomial_free(pwqp1
);
3374 isl_pw_qpolynomial_free(pwqp2
);
3378 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
3383 static int test_split_periods(isl_ctx
*ctx
)
3386 isl_pw_qpolynomial
*pwqp
;
3388 str
= "{ [U,V] -> 1/3 * U + 2/3 * V - [(U + 2V)/3] + [U/2] : "
3389 "U + 2V + 3 >= 0 and - U -2V >= 0 and - U + 10 >= 0 and "
3390 "U >= 0; [U,V] -> U^2 : U >= 100 }";
3391 pwqp
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3393 pwqp
= isl_pw_qpolynomial_split_periods(pwqp
, 2);
3395 isl_pw_qpolynomial_free(pwqp
);
3403 static int test_union(isl_ctx
*ctx
)
3406 isl_union_set
*uset1
, *uset2
;
3407 isl_union_map
*umap1
, *umap2
;
3410 str
= "{ [i] : 0 <= i <= 1 }";
3411 uset1
= isl_union_set_read_from_str(ctx
, str
);
3412 str
= "{ [1] -> [0] }";
3413 umap1
= isl_union_map_read_from_str(ctx
, str
);
3415 umap2
= isl_union_set_lex_gt_union_set(isl_union_set_copy(uset1
), uset1
);
3416 equal
= isl_union_map_is_equal(umap1
, umap2
);
3418 isl_union_map_free(umap1
);
3419 isl_union_map_free(umap2
);
3424 isl_die(ctx
, isl_error_unknown
, "union maps not equal",
3427 str
= "{ A[i] -> B[i]; B[i] -> C[i]; A[0] -> C[1] }";
3428 umap1
= isl_union_map_read_from_str(ctx
, str
);
3429 str
= "{ A[i]; B[i] }";
3430 uset1
= isl_union_set_read_from_str(ctx
, str
);
3432 uset2
= isl_union_map_domain(umap1
);
3434 equal
= isl_union_set_is_equal(uset1
, uset2
);
3436 isl_union_set_free(uset1
);
3437 isl_union_set_free(uset2
);
3442 isl_die(ctx
, isl_error_unknown
, "union sets not equal",
3448 /* Check that computing a bound of a non-zero polynomial over an unbounded
3449 * domain does not produce a rational value.
3450 * In particular, check that the upper bound is infinity.
3452 static int test_bound_unbounded_domain(isl_ctx
*ctx
)
3455 isl_pw_qpolynomial
*pwqp
;
3456 isl_pw_qpolynomial_fold
*pwf
, *pwf2
;
3459 str
= "{ [m,n] -> -m * n }";
3460 pwqp
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3461 pwf
= isl_pw_qpolynomial_bound(pwqp
, isl_fold_max
, NULL
);
3463 pwqp
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3464 pwf2
= isl_pw_qpolynomial_bound(pwqp
, isl_fold_max
, NULL
);
3465 equal
= isl_pw_qpolynomial_fold_plain_is_equal(pwf
, pwf2
);
3466 isl_pw_qpolynomial_fold_free(pwf
);
3467 isl_pw_qpolynomial_fold_free(pwf2
);
3472 isl_die(ctx
, isl_error_unknown
,
3473 "expecting infinite polynomial bound", return -1);
3478 static int test_bound(isl_ctx
*ctx
)
3482 isl_pw_qpolynomial
*pwqp
;
3483 isl_pw_qpolynomial_fold
*pwf
;
3485 if (test_bound_unbounded_domain(ctx
) < 0)
3488 str
= "{ [[a, b, c, d] -> [e]] -> 0 }";
3489 pwqp
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3490 pwf
= isl_pw_qpolynomial_bound(pwqp
, isl_fold_max
, NULL
);
3491 dim
= isl_pw_qpolynomial_fold_dim(pwf
, isl_dim_in
);
3492 isl_pw_qpolynomial_fold_free(pwf
);
3496 isl_die(ctx
, isl_error_unknown
, "unexpected input dimension",
3499 str
= "{ [[x]->[x]] -> 1 : exists a : x = 2 a }";
3500 pwqp
= isl_pw_qpolynomial_read_from_str(ctx
, str
);
3501 pwf
= isl_pw_qpolynomial_bound(pwqp
, isl_fold_max
, NULL
);
3502 dim
= isl_pw_qpolynomial_fold_dim(pwf
, isl_dim_in
);
3503 isl_pw_qpolynomial_fold_free(pwf
);
3507 isl_die(ctx
, isl_error_unknown
, "unexpected input dimension",
3513 /* isl_set is defined to isl_map internally, so the corresponding elements
3514 * are isl_basic_map objects.
3518 #define EL_BASE basic_map
3519 #define SET_BASE set
3520 #include "isl_test_list_templ.c"
3524 #define EL_BASE basic_set
3525 #define SET_BASE union_set
3526 #include "isl_test_list_templ.c"
3531 #define SET_BASE union_set
3532 #include "isl_test_list_templ.c"
3536 #define EL_BASE basic_map
3537 #define SET_BASE map
3538 #include "isl_test_list_templ.c"
3543 #define SET_BASE union_map
3544 #include "isl_test_list_templ.c"
3546 /* Check that the conversion from isl objects to lists works as expected.
3548 static int test_get_list(isl_ctx
*ctx
)
3550 if (test_get_list_basic_map_from_set(ctx
, "{ [0]; [2]; [3] }"))
3552 if (test_get_list_basic_set_from_union_set(ctx
, "{ A[0]; B[2]; B[3] }"))
3554 if (test_get_list_set_from_union_set(ctx
, "{ A[0]; A[2]; B[3] }"))
3556 if (test_get_list_basic_map_from_map(ctx
,
3557 "{ [0] -> [0]; [2] -> [0]; [3] -> [0] }"))
3559 if (test_get_list_map_from_union_map(ctx
,
3560 "{ A[0] -> [0]; A[2] -> [0]; B[3] -> [0] }"))
3566 static int test_lift(isl_ctx
*ctx
)
3569 isl_basic_map
*bmap
;
3570 isl_basic_set
*bset
;
3572 str
= "{ [i0] : exists e0 : i0 = 4e0 }";
3573 bset
= isl_basic_set_read_from_str(ctx
, str
);
3574 bset
= isl_basic_set_lift(bset
);
3575 bmap
= isl_basic_map_from_range(bset
);
3576 bset
= isl_basic_map_domain(bmap
);
3577 isl_basic_set_free(bset
);
3582 /* Check that isl_set_is_subset is not confused by identical
3583 * integer divisions.
3584 * The call to isl_set_normalize ensures that the equality constraints
3585 * a = b = 0 are discovered, turning e0 and e1 into identical
3586 * integer divisions. Any further simplification would remove
3587 * the duplicate integer divisions.
3589 static isl_stat
test_subset_duplicate_integer_divisions(isl_ctx
*ctx
)
3593 isl_set
*set1
, *set2
;
3595 str
= "{ [a, b, c, d] : "
3596 "exists (e0 = floor((a + d)/4), e1 = floor((d)/4), "
3597 "e2 = floor((-a - d + 4 *floor((a + d)/4))/10), "
3598 "e3 = floor((-d + 4*floor((d)/4))/10): "
3599 "10e2 = -a - 2c - d + 4e0 and 10e3 = -2c - d + 4e1 and "
3600 "b >= 0 and a <= 0 and b <= a) }";
3601 set1
= isl_set_read_from_str(ctx
, str
);
3602 set2
= isl_set_read_from_str(ctx
, str
);
3603 set2
= isl_set_normalize(set2
);
3605 is_subset
= isl_set_is_subset(set1
, set2
);
3611 return isl_stat_error
;
3613 isl_die(ctx
, isl_error_unknown
,
3614 "set is not considered to be a subset of itself",
3615 return isl_stat_error
);
3624 } subset_tests
[] = {
3626 "{ [i0, i1] : exists (e0 = [(i0 - i1)/16], e1: "
3627 "16e0 <= i0 - i1 and 16e0 >= -15 + i0 - i1 and "
3628 "16e1 <= i1 and 16e0 >= -i1 and 16e1 >= -i0 + i1) }", 1 },
3630 "{ [i] : exists (e0 = [(255i)/256], e1 = [(127i + 65e0)/191], "
3631 "e2 = [(3i + 61e1)/65], e3 = [(52i + 12e2)/61], "
3632 "e4 = [(2i + e3)/3], e5 = [(4i + e3)/4], e6 = [(8i + e3)/12]: "
3633 "3e4 = 2i + e3 and 4e5 = 4i + e3 and 12e6 = 8i + e3 and "
3634 "i <= 255 and 64e3 >= -45 + 67i and i >= 0 and "
3635 "256e0 <= 255i and 256e0 >= -255 + 255i and "
3636 "191e1 <= 127i + 65e0 and 191e1 >= -190 + 127i + 65e0 and "
3637 "65e2 <= 3i + 61e1 and 65e2 >= -64 + 3i + 61e1 and "
3638 "61e3 <= 52i + 12e2 and 61e3 >= -60 + 52i + 12e2) }", 1 },
3639 { "{ [i] : 0 <= i <= 10 }", "{ rat: [i] : 0 <= i <= 10 }", 1 },
3640 { "{ rat: [i] : 0 <= i <= 10 }", "{ [i] : 0 <= i <= 10 }", 0 },
3641 { "{ rat: [0] }", "{ [i] : 0 <= i <= 10 }", 1 },
3642 { "{ rat: [(1)/2] }", "{ [i] : 0 <= i <= 10 }", 0 },
3643 { "{ [t, i] : (exists (e0 = [(2 + t)/4]: 4e0 <= 2 + t and "
3644 "4e0 >= -1 + t and i >= 57 and i <= 62 and "
3645 "4e0 <= 62 + t - i and 4e0 >= -61 + t + i and "
3646 "t >= 0 and t <= 511 and 4e0 <= -57 + t + i and "
3647 "4e0 >= 58 + t - i and i >= 58 + t and i >= 62 - t)) }",
3648 "{ [i0, i1] : (exists (e0 = [(4 + i0)/4]: 4e0 <= 62 + i0 - i1 and "
3649 "4e0 >= 1 + i0 and i0 >= 0 and i0 <= 511 and "
3650 "4e0 <= -57 + i0 + i1)) or "
3651 "(exists (e0 = [(2 + i0)/4]: 4e0 <= i0 and "
3652 "4e0 >= 58 + i0 - i1 and i0 >= 2 and i0 <= 511 and "
3653 "4e0 >= -61 + i0 + i1)) or "
3654 "(i1 <= 66 - i0 and i0 >= 2 and i1 >= 59 + i0) }", 1 },
3655 { "[a, b] -> { : a = 0 and b = -1 }", "[b, a] -> { : b >= -10 }", 1 },
3658 static int test_subset(isl_ctx
*ctx
)
3661 isl_set
*set1
, *set2
;
3664 if (test_subset_duplicate_integer_divisions(ctx
) < 0)
3667 for (i
= 0; i
< ARRAY_SIZE(subset_tests
); ++i
) {
3668 set1
= isl_set_read_from_str(ctx
, subset_tests
[i
].set1
);
3669 set2
= isl_set_read_from_str(ctx
, subset_tests
[i
].set2
);
3670 subset
= isl_set_is_subset(set1
, set2
);
3675 if (subset
!= subset_tests
[i
].subset
)
3676 isl_die(ctx
, isl_error_unknown
,
3677 "incorrect subset result", return -1);
3684 const char *minuend
;
3685 const char *subtrahend
;
3686 const char *difference
;
3687 } subtract_domain_tests
[] = {
3688 { "{ A[i] -> B[i] }", "{ A[i] }", "{ }" },
3689 { "{ A[i] -> B[i] }", "{ B[i] }", "{ A[i] -> B[i] }" },
3690 { "{ A[i] -> B[i] }", "{ A[i] : i > 0 }", "{ A[i] -> B[i] : i <= 0 }" },
3693 static int test_subtract(isl_ctx
*ctx
)
3696 isl_union_map
*umap1
, *umap2
;
3697 isl_union_pw_multi_aff
*upma1
, *upma2
;
3698 isl_union_set
*uset
;
3701 for (i
= 0; i
< ARRAY_SIZE(subtract_domain_tests
); ++i
) {
3702 umap1
= isl_union_map_read_from_str(ctx
,
3703 subtract_domain_tests
[i
].minuend
);
3704 uset
= isl_union_set_read_from_str(ctx
,
3705 subtract_domain_tests
[i
].subtrahend
);
3706 umap2
= isl_union_map_read_from_str(ctx
,
3707 subtract_domain_tests
[i
].difference
);
3708 umap1
= isl_union_map_subtract_domain(umap1
, uset
);
3709 equal
= isl_union_map_is_equal(umap1
, umap2
);
3710 isl_union_map_free(umap1
);
3711 isl_union_map_free(umap2
);
3715 isl_die(ctx
, isl_error_unknown
,
3716 "incorrect subtract domain result", return -1);
3719 for (i
= 0; i
< ARRAY_SIZE(subtract_domain_tests
); ++i
) {
3720 upma1
= isl_union_pw_multi_aff_read_from_str(ctx
,
3721 subtract_domain_tests
[i
].minuend
);
3722 uset
= isl_union_set_read_from_str(ctx
,
3723 subtract_domain_tests
[i
].subtrahend
);
3724 upma2
= isl_union_pw_multi_aff_read_from_str(ctx
,
3725 subtract_domain_tests
[i
].difference
);
3726 upma1
= isl_union_pw_multi_aff_subtract_domain(upma1
, uset
);
3727 equal
= isl_union_pw_multi_aff_plain_is_equal(upma1
, upma2
);
3728 isl_union_pw_multi_aff_free(upma1
);
3729 isl_union_pw_multi_aff_free(upma2
);
3733 isl_die(ctx
, isl_error_unknown
,
3734 "incorrect subtract domain result", return -1);
3740 /* Check that intersecting the empty basic set with another basic set
3741 * does not increase the number of constraints. In particular,
3742 * the empty basic set should maintain its canonical representation.
3744 static int test_intersect_1(isl_ctx
*ctx
)
3747 isl_basic_set
*bset1
, *bset2
;
3749 bset1
= isl_basic_set_read_from_str(ctx
, "{ [a,b,c] : 1 = 0 }");
3750 bset2
= isl_basic_set_read_from_str(ctx
, "{ [1,2,3] }");
3751 n1
= isl_basic_set_n_constraint(bset1
);
3752 bset1
= isl_basic_set_intersect(bset1
, bset2
);
3753 n2
= isl_basic_set_n_constraint(bset1
);
3754 isl_basic_set_free(bset1
);
3755 if (n1
< 0 || n2
< 0)
3758 isl_die(ctx
, isl_error_unknown
,
3759 "number of constraints of empty set changed",
3765 /* Check that intersecting a set with itself does not cause
3766 * an explosion in the number of disjuncts.
3768 static isl_stat
test_intersect_2(isl_ctx
*ctx
)
3773 set
= isl_set_read_from_str(ctx
, "{ [x,y] : x >= 0 or y >= 0 }");
3774 for (i
= 0; i
< 100; ++i
)
3775 set
= isl_set_intersect(set
, isl_set_copy(set
));
3778 return isl_stat_error
;
3782 /* Perform some intersection tests.
3784 static int test_intersect(isl_ctx
*ctx
)
3786 if (test_intersect_1(ctx
) < 0)
3788 if (test_intersect_2(ctx
) < 0)
3794 int test_factorize(isl_ctx
*ctx
)
3797 isl_basic_set
*bset
;
3800 str
= "{ [i0, i1, i2, i3, i4, i5, i6, i7] : 3i5 <= 2 - 2i0 and "
3801 "i0 >= -2 and i6 >= 1 + i3 and i7 >= 0 and 3i5 >= -2i0 and "
3802 "2i4 <= i2 and i6 >= 1 + 2i0 + 3i1 and i4 <= -1 and "
3803 "i6 >= 1 + 2i0 + 3i5 and i6 <= 2 + 2i0 + 3i5 and "
3804 "3i5 <= 2 - 2i0 - i2 + 3i4 and i6 <= 2 + 2i0 + 3i1 and "
3805 "i0 <= -1 and i7 <= i2 + i3 - 3i4 - i6 and "
3806 "3i5 >= -2i0 - i2 + 3i4 }";
3807 bset
= isl_basic_set_read_from_str(ctx
, str
);
3808 f
= isl_basic_set_factorizer(bset
);
3809 isl_basic_set_free(bset
);
3810 isl_factorizer_free(f
);
3812 isl_die(ctx
, isl_error_unknown
,
3813 "failed to construct factorizer", return -1);
3815 str
= "{ [i0, i1, i2, i3, i4, i5, i6, i7, i8, i9, i10, i11, i12] : "
3816 "i12 <= 2 + i0 - i11 and 2i8 >= -i4 and i11 >= i1 and "
3817 "3i5 <= -i2 and 2i11 >= -i4 - 2i7 and i11 <= 3 + i0 + 3i9 and "
3818 "i11 <= -i4 - 2i7 and i12 >= -i10 and i2 >= -2 and "
3819 "i11 >= i1 + 3i10 and i11 >= 1 + i0 + 3i9 and "
3820 "i11 <= 1 - i4 - 2i8 and 6i6 <= 6 - i2 and 3i6 >= 1 - i2 and "
3821 "i11 <= 2 + i1 and i12 <= i4 + i11 and i12 >= i0 - i11 and "
3822 "3i5 >= -2 - i2 and i12 >= -1 + i4 + i11 and 3i3 <= 3 - i2 and "
3823 "9i6 <= 11 - i2 + 6i5 and 3i3 >= 1 - i2 and "
3824 "9i6 <= 5 - i2 + 6i3 and i12 <= -1 and i2 <= 0 }";
3825 bset
= isl_basic_set_read_from_str(ctx
, str
);
3826 f
= isl_basic_set_factorizer(bset
);
3827 isl_basic_set_free(bset
);
3828 isl_factorizer_free(f
);
3830 isl_die(ctx
, isl_error_unknown
,
3831 "failed to construct factorizer", return -1);
3836 static isl_stat
check_injective(__isl_take isl_map
*map
, void *user
)
3838 int *injective
= user
;
3840 *injective
= isl_map_is_injective(map
);
3843 if (*injective
< 0 || !*injective
)
3844 return isl_stat_error
;
3849 int test_one_schedule(isl_ctx
*ctx
, const char *d
, const char *w
,
3850 const char *r
, const char *s
, int tilable
, int parallel
)
3854 isl_union_map
*W
, *R
, *S
;
3855 isl_union_map
*empty
;
3856 isl_union_map
*dep_raw
, *dep_war
, *dep_waw
, *dep
;
3857 isl_union_map
*validity
, *proximity
, *coincidence
;
3858 isl_union_map
*schedule
;
3859 isl_union_map
*test
;
3860 isl_union_set
*delta
;
3861 isl_union_set
*domain
;
3865 isl_schedule_constraints
*sc
;
3866 isl_schedule
*sched
;
3867 int is_nonneg
, is_parallel
, is_tilable
, is_injection
, is_complete
;
3870 D
= isl_union_set_read_from_str(ctx
, d
);
3871 W
= isl_union_map_read_from_str(ctx
, w
);
3872 R
= isl_union_map_read_from_str(ctx
, r
);
3873 S
= isl_union_map_read_from_str(ctx
, s
);
3875 W
= isl_union_map_intersect_domain(W
, isl_union_set_copy(D
));
3876 R
= isl_union_map_intersect_domain(R
, isl_union_set_copy(D
));
3878 empty
= isl_union_map_empty(isl_union_map_get_space(S
));
3879 isl_union_map_compute_flow(isl_union_map_copy(R
),
3880 isl_union_map_copy(W
), empty
,
3881 isl_union_map_copy(S
),
3882 &dep_raw
, NULL
, NULL
, NULL
);
3883 isl_union_map_compute_flow(isl_union_map_copy(W
),
3884 isl_union_map_copy(W
),
3885 isl_union_map_copy(R
),
3886 isl_union_map_copy(S
),
3887 &dep_waw
, &dep_war
, NULL
, NULL
);
3889 dep
= isl_union_map_union(dep_waw
, dep_war
);
3890 dep
= isl_union_map_union(dep
, dep_raw
);
3891 validity
= isl_union_map_copy(dep
);
3892 coincidence
= isl_union_map_copy(dep
);
3893 proximity
= isl_union_map_copy(dep
);
3895 sc
= isl_schedule_constraints_on_domain(isl_union_set_copy(D
));
3896 sc
= isl_schedule_constraints_set_validity(sc
, validity
);
3897 sc
= isl_schedule_constraints_set_coincidence(sc
, coincidence
);
3898 sc
= isl_schedule_constraints_set_proximity(sc
, proximity
);
3899 sched
= isl_schedule_constraints_compute_schedule(sc
);
3900 schedule
= isl_schedule_get_map(sched
);
3901 isl_schedule_free(sched
);
3902 isl_union_map_free(W
);
3903 isl_union_map_free(R
);
3904 isl_union_map_free(S
);
3907 isl_union_map_foreach_map(schedule
, &check_injective
, &is_injection
);
3909 domain
= isl_union_map_domain(isl_union_map_copy(schedule
));
3910 is_complete
= isl_union_set_is_subset(D
, domain
);
3911 isl_union_set_free(D
);
3912 isl_union_set_free(domain
);
3914 test
= isl_union_map_reverse(isl_union_map_copy(schedule
));
3915 test
= isl_union_map_apply_range(test
, dep
);
3916 test
= isl_union_map_apply_range(test
, schedule
);
3918 delta
= isl_union_map_deltas(test
);
3919 n
= isl_union_set_n_set(delta
);
3921 isl_union_set_free(delta
);
3928 isl_union_set_free(delta
);
3932 delta_set
= isl_set_from_union_set(delta
);
3934 slice
= isl_set_universe(isl_set_get_space(delta_set
));
3935 for (i
= 0; i
< tilable
; ++i
)
3936 slice
= isl_set_lower_bound_si(slice
, isl_dim_set
, i
, 0);
3937 is_tilable
= isl_set_is_subset(delta_set
, slice
);
3938 isl_set_free(slice
);
3940 slice
= isl_set_universe(isl_set_get_space(delta_set
));
3941 for (i
= 0; i
< parallel
; ++i
)
3942 slice
= isl_set_fix_si(slice
, isl_dim_set
, i
, 0);
3943 is_parallel
= isl_set_is_subset(delta_set
, slice
);
3944 isl_set_free(slice
);
3946 origin
= isl_set_universe(isl_set_get_space(delta_set
));
3947 dim
= isl_set_dim(origin
, isl_dim_set
);
3949 origin
= isl_set_free(origin
);
3950 for (i
= 0; i
< dim
; ++i
)
3951 origin
= isl_set_fix_si(origin
, isl_dim_set
, i
, 0);
3953 delta_set
= isl_set_union(delta_set
, isl_set_copy(origin
));
3954 delta_set
= isl_set_lexmin(delta_set
);
3956 is_nonneg
= isl_set_is_equal(delta_set
, origin
);
3958 isl_set_free(origin
);
3959 isl_set_free(delta_set
);
3962 if (is_nonneg
< 0 || is_parallel
< 0 || is_tilable
< 0 ||
3963 is_injection
< 0 || is_complete
< 0)
3966 isl_die(ctx
, isl_error_unknown
,
3967 "generated schedule incomplete", return -1);
3969 isl_die(ctx
, isl_error_unknown
,
3970 "generated schedule not injective on each statement",
3973 isl_die(ctx
, isl_error_unknown
,
3974 "negative dependences in generated schedule",
3977 isl_die(ctx
, isl_error_unknown
,
3978 "generated schedule not as tilable as expected",
3981 isl_die(ctx
, isl_error_unknown
,
3982 "generated schedule not as parallel as expected",
3988 /* Compute a schedule for the given instance set, validity constraints,
3989 * proximity constraints and context and return a corresponding union map
3992 static __isl_give isl_union_map
*compute_schedule_with_context(isl_ctx
*ctx
,
3993 const char *domain
, const char *validity
, const char *proximity
,
3994 const char *context
)
3999 isl_union_map
*prox
;
4000 isl_schedule_constraints
*sc
;
4001 isl_schedule
*schedule
;
4002 isl_union_map
*sched
;
4004 con
= isl_set_read_from_str(ctx
, context
);
4005 dom
= isl_union_set_read_from_str(ctx
, domain
);
4006 dep
= isl_union_map_read_from_str(ctx
, validity
);
4007 prox
= isl_union_map_read_from_str(ctx
, proximity
);
4008 sc
= isl_schedule_constraints_on_domain(dom
);
4009 sc
= isl_schedule_constraints_set_context(sc
, con
);
4010 sc
= isl_schedule_constraints_set_validity(sc
, dep
);
4011 sc
= isl_schedule_constraints_set_proximity(sc
, prox
);
4012 schedule
= isl_schedule_constraints_compute_schedule(sc
);
4013 sched
= isl_schedule_get_map(schedule
);
4014 isl_schedule_free(schedule
);
4019 /* Compute a schedule for the given instance set, validity constraints and
4020 * proximity constraints and return a corresponding union map representation.
4022 static __isl_give isl_union_map
*compute_schedule(isl_ctx
*ctx
,
4023 const char *domain
, const char *validity
, const char *proximity
)
4025 return compute_schedule_with_context(ctx
, domain
, validity
, proximity
,
4029 /* Check that a schedule can be constructed on the given domain
4030 * with the given validity and proximity constraints.
4032 static int test_has_schedule(isl_ctx
*ctx
, const char *domain
,
4033 const char *validity
, const char *proximity
)
4035 isl_union_map
*sched
;
4037 sched
= compute_schedule(ctx
, domain
, validity
, proximity
);
4041 isl_union_map_free(sched
);
4045 int test_special_schedule(isl_ctx
*ctx
, const char *domain
,
4046 const char *validity
, const char *proximity
, const char *expected_sched
)
4048 isl_union_map
*sched1
, *sched2
;
4051 sched1
= compute_schedule(ctx
, domain
, validity
, proximity
);
4052 sched2
= isl_union_map_read_from_str(ctx
, expected_sched
);
4054 equal
= isl_union_map_is_equal(sched1
, sched2
);
4055 isl_union_map_free(sched1
);
4056 isl_union_map_free(sched2
);
4061 isl_die(ctx
, isl_error_unknown
, "unexpected schedule",
4067 /* Check that the schedule map is properly padded, i.e., that the range
4068 * lives in a single space.
4070 static int test_padded_schedule(isl_ctx
*ctx
)
4074 isl_union_map
*validity
, *proximity
;
4075 isl_schedule_constraints
*sc
;
4076 isl_schedule
*sched
;
4077 isl_union_map
*umap
;
4078 isl_union_set
*range
;
4081 str
= "[N] -> { S0[i] : 0 <= i <= N; S1[i, j] : 0 <= i, j <= N }";
4082 D
= isl_union_set_read_from_str(ctx
, str
);
4083 validity
= isl_union_map_empty(isl_union_set_get_space(D
));
4084 proximity
= isl_union_map_copy(validity
);
4085 sc
= isl_schedule_constraints_on_domain(D
);
4086 sc
= isl_schedule_constraints_set_validity(sc
, validity
);
4087 sc
= isl_schedule_constraints_set_proximity(sc
, proximity
);
4088 sched
= isl_schedule_constraints_compute_schedule(sc
);
4089 umap
= isl_schedule_get_map(sched
);
4090 isl_schedule_free(sched
);
4091 range
= isl_union_map_range(umap
);
4092 set
= isl_set_from_union_set(range
);
4101 /* Check that conditional validity constraints are also taken into
4102 * account across bands.
4103 * In particular, try to make sure that live ranges D[1,0]->C[2,1] and
4104 * D[2,0]->C[3,0] are not local in the outer band of the generated schedule
4105 * and then check that the adjacent order constraint C[2,1]->D[2,0]
4106 * is enforced by the rest of the schedule.
4108 static int test_special_conditional_schedule_constraints(isl_ctx
*ctx
)
4111 isl_union_set
*domain
;
4112 isl_union_map
*validity
, *proximity
, *condition
;
4113 isl_union_map
*sink
, *source
, *dep
;
4114 isl_schedule_constraints
*sc
;
4115 isl_schedule
*schedule
;
4116 isl_union_access_info
*access
;
4117 isl_union_flow
*flow
;
4120 str
= "[n] -> { C[k, i] : k <= -1 + n and i >= 0 and i <= -1 + k; "
4121 "A[k] : k >= 1 and k <= -1 + n; "
4122 "B[k, i] : k <= -1 + n and i >= 0 and i <= -1 + k; "
4123 "D[k, i] : k <= -1 + n and i >= 0 and i <= -1 + k }";
4124 domain
= isl_union_set_read_from_str(ctx
, str
);
4125 sc
= isl_schedule_constraints_on_domain(domain
);
4126 str
= "[n] -> { D[k, i] -> C[1 + k, k - i] : "
4127 "k <= -2 + n and i >= 1 and i <= -1 + k; "
4128 "D[k, i] -> C[1 + k, i] : "
4129 "k <= -2 + n and i >= 1 and i <= -1 + k; "
4130 "D[k, 0] -> C[1 + k, k] : k >= 1 and k <= -2 + n; "
4131 "D[k, 0] -> C[1 + k, 0] : k >= 1 and k <= -2 + n }";
4132 validity
= isl_union_map_read_from_str(ctx
, str
);
4133 sc
= isl_schedule_constraints_set_validity(sc
, validity
);
4134 str
= "[n] -> { C[k, i] -> D[k, i] : "
4135 "0 <= i <= -1 + k and k <= -1 + n }";
4136 proximity
= isl_union_map_read_from_str(ctx
, str
);
4137 sc
= isl_schedule_constraints_set_proximity(sc
, proximity
);
4138 str
= "[n] -> { [D[k, i] -> a[]] -> [C[1 + k, k - i] -> b[]] : "
4139 "i <= -1 + k and i >= 1 and k <= -2 + n; "
4140 "[B[k, i] -> c[]] -> [B[k, 1 + i] -> c[]] : "
4141 "k <= -1 + n and i >= 0 and i <= -2 + k }";
4142 condition
= isl_union_map_read_from_str(ctx
, str
);
4143 str
= "[n] -> { [B[k, i] -> e[]] -> [D[k, i] -> a[]] : "
4144 "i >= 0 and i <= -1 + k and k <= -1 + n; "
4145 "[C[k, i] -> b[]] -> [D[k', -1 + k - i] -> a[]] : "
4146 "i >= 0 and i <= -1 + k and k <= -1 + n and "
4147 "k' <= -1 + n and k' >= k - i and k' >= 1 + k; "
4148 "[C[k, i] -> b[]] -> [D[k, -1 + k - i] -> a[]] : "
4149 "i >= 0 and i <= -1 + k and k <= -1 + n; "
4150 "[B[k, i] -> c[]] -> [A[k'] -> d[]] : "
4151 "k <= -1 + n and i >= 0 and i <= -1 + k and "
4152 "k' >= 1 and k' <= -1 + n and k' >= 1 + k }";
4153 validity
= isl_union_map_read_from_str(ctx
, str
);
4154 sc
= isl_schedule_constraints_set_conditional_validity(sc
, condition
,
4156 schedule
= isl_schedule_constraints_compute_schedule(sc
);
4157 str
= "{ D[2,0] -> [] }";
4158 sink
= isl_union_map_read_from_str(ctx
, str
);
4159 access
= isl_union_access_info_from_sink(sink
);
4160 str
= "{ C[2,1] -> [] }";
4161 source
= isl_union_map_read_from_str(ctx
, str
);
4162 access
= isl_union_access_info_set_must_source(access
, source
);
4163 access
= isl_union_access_info_set_schedule(access
, schedule
);
4164 flow
= isl_union_access_info_compute_flow(access
);
4165 dep
= isl_union_flow_get_must_dependence(flow
);
4166 isl_union_flow_free(flow
);
4167 empty
= isl_union_map_is_empty(dep
);
4168 isl_union_map_free(dep
);
4173 isl_die(ctx
, isl_error_unknown
,
4174 "conditional validity not respected", return -1);
4179 /* Check that the test for violated conditional validity constraints
4180 * is not confused by domain compression.
4181 * In particular, earlier versions of isl would apply
4182 * a schedule on the compressed domains to the original domains,
4183 * resulting in a failure to detect that the default schedule
4184 * violates the conditional validity constraints.
4186 static int test_special_conditional_schedule_constraints_2(isl_ctx
*ctx
)
4190 isl_union_set
*domain
;
4191 isl_union_map
*validity
, *condition
;
4192 isl_schedule_constraints
*sc
;
4193 isl_schedule
*schedule
;
4194 isl_union_map
*umap
;
4197 str
= "{ A[0, i] : 0 <= i <= 10; B[1, i] : 0 <= i <= 10 }";
4198 domain
= isl_union_set_read_from_str(ctx
, str
);
4199 sc
= isl_schedule_constraints_on_domain(domain
);
4200 str
= "{ B[1, i] -> A[0, i + 1] }";
4201 condition
= isl_union_map_read_from_str(ctx
, str
);
4202 str
= "{ A[0, i] -> B[1, i - 1] }";
4203 validity
= isl_union_map_read_from_str(ctx
, str
);
4204 sc
= isl_schedule_constraints_set_conditional_validity(sc
, condition
,
4205 isl_union_map_copy(validity
));
4206 schedule
= isl_schedule_constraints_compute_schedule(sc
);
4207 umap
= isl_schedule_get_map(schedule
);
4208 isl_schedule_free(schedule
);
4209 validity
= isl_union_map_apply_domain(validity
,
4210 isl_union_map_copy(umap
));
4211 validity
= isl_union_map_apply_range(validity
, umap
);
4212 map
= isl_map_from_union_map(validity
);
4213 ge
= isl_map_lex_ge(isl_space_domain(isl_map_get_space(map
)));
4214 map
= isl_map_intersect(map
, ge
);
4215 empty
= isl_map_is_empty(map
);
4221 isl_die(ctx
, isl_error_unknown
,
4222 "conditional validity constraints not satisfied",
4228 /* Input for testing of schedule construction based on
4229 * conditional constraints.
4231 * domain is the iteration domain
4232 * flow are the flow dependences, which determine the validity and
4233 * proximity constraints
4234 * condition are the conditions on the conditional validity constraints
4235 * conditional_validity are the conditional validity constraints
4236 * outer_band_n is the expected number of members in the outer band
4241 const char *condition
;
4242 const char *conditional_validity
;
4244 } live_range_tests
[] = {
4245 /* Contrived example that illustrates that we need to keep
4246 * track of tagged condition dependences and
4247 * tagged conditional validity dependences
4248 * in isl_sched_edge separately.
4249 * In particular, the conditional validity constraints on A
4250 * cannot be satisfied,
4251 * but they can be ignored because there are no corresponding
4252 * condition constraints. However, we do have an additional
4253 * conditional validity constraint that maps to the same
4254 * dependence relation
4255 * as the condition constraint on B. If we did not make a distinction
4256 * between tagged condition and tagged conditional validity
4257 * dependences, then we
4258 * could end up treating this shared dependence as an condition
4259 * constraint on A, forcing a localization of the conditions,
4260 * which is impossible.
4262 { "{ S[i] : 0 <= 1 < 100; T[i] : 0 <= 1 < 100 }",
4263 "{ S[i] -> S[i+1] : 0 <= i < 99 }",
4264 "{ [S[i] -> B[]] -> [S[i+1] -> B[]] : 0 <= i < 99 }",
4265 "{ [S[i] -> A[]] -> [T[i'] -> A[]] : 0 <= i', i < 100 and i != i';"
4266 "[T[i] -> A[]] -> [S[i'] -> A[]] : 0 <= i', i < 100 and i != i';"
4267 "[S[i] -> A[]] -> [S[i+1] -> A[]] : 0 <= i < 99 }",
4270 /* TACO 2013 Fig. 7 */
4271 { "[n] -> { S1[i,j] : 0 <= i,j < n; S2[i,j] : 0 <= i,j < n }",
4272 "[n] -> { S1[i,j] -> S2[i,j] : 0 <= i,j < n;"
4273 "S2[i,j] -> S2[i,j+1] : 0 <= i < n and 0 <= j < n - 1 }",
4274 "[n] -> { [S1[i,j] -> t[]] -> [S2[i,j] -> t[]] : 0 <= i,j < n;"
4275 "[S2[i,j] -> x1[]] -> [S2[i,j+1] -> x1[]] : "
4276 "0 <= i < n and 0 <= j < n - 1 }",
4277 "[n] -> { [S2[i,j] -> t[]] -> [S1[i,j'] -> t[]] : "
4278 "0 <= i < n and 0 <= j < j' < n;"
4279 "[S2[i,j] -> t[]] -> [S1[i',j'] -> t[]] : "
4280 "0 <= i < i' < n and 0 <= j,j' < n;"
4281 "[S2[i,j] -> x1[]] -> [S2[i,j'] -> x1[]] : "
4282 "0 <= i,j,j' < n and j < j' }",
4285 /* TACO 2013 Fig. 7, without tags */
4286 { "[n] -> { S1[i,j] : 0 <= i,j < n; S2[i,j] : 0 <= i,j < n }",
4287 "[n] -> { S1[i,j] -> S2[i,j] : 0 <= i,j < n;"
4288 "S2[i,j] -> S2[i,j+1] : 0 <= i < n and 0 <= j < n - 1 }",
4289 "[n] -> { S1[i,j] -> S2[i,j] : 0 <= i,j < n;"
4290 "S2[i,j] -> S2[i,j+1] : 0 <= i < n and 0 <= j < n - 1 }",
4291 "[n] -> { S2[i,j] -> S1[i,j'] : 0 <= i < n and 0 <= j < j' < n;"
4292 "S2[i,j] -> S1[i',j'] : 0 <= i < i' < n and 0 <= j,j' < n;"
4293 "S2[i,j] -> S2[i,j'] : 0 <= i,j,j' < n and j < j' }",
4296 /* TACO 2013 Fig. 12 */
4297 { "{ S1[i,0] : 0 <= i <= 1; S2[i,j] : 0 <= i <= 1 and 1 <= j <= 2;"
4298 "S3[i,3] : 0 <= i <= 1 }",
4299 "{ S1[i,0] -> S2[i,1] : 0 <= i <= 1;"
4300 "S2[i,1] -> S2[i,2] : 0 <= i <= 1;"
4301 "S2[i,2] -> S3[i,3] : 0 <= i <= 1 }",
4302 "{ [S1[i,0]->t[]] -> [S2[i,1]->t[]] : 0 <= i <= 1;"
4303 "[S2[i,1]->t[]] -> [S2[i,2]->t[]] : 0 <= i <= 1;"
4304 "[S2[i,2]->t[]] -> [S3[i,3]->t[]] : 0 <= i <= 1 }",
4305 "{ [S2[i,1]->t[]] -> [S2[i,2]->t[]] : 0 <= i <= 1;"
4306 "[S2[0,j]->t[]] -> [S2[1,j']->t[]] : 1 <= j,j' <= 2;"
4307 "[S2[0,j]->t[]] -> [S1[1,0]->t[]] : 1 <= j <= 2;"
4308 "[S3[0,3]->t[]] -> [S2[1,j]->t[]] : 1 <= j <= 2;"
4309 "[S3[0,3]->t[]] -> [S1[1,0]->t[]] }",
4314 /* Test schedule construction based on conditional constraints.
4315 * In particular, check the number of members in the outer band node
4316 * as an indication of whether tiling is possible or not.
4318 static int test_conditional_schedule_constraints(isl_ctx
*ctx
)
4321 isl_union_set
*domain
;
4322 isl_union_map
*condition
;
4323 isl_union_map
*flow
;
4324 isl_union_map
*validity
;
4325 isl_schedule_constraints
*sc
;
4326 isl_schedule
*schedule
;
4327 isl_schedule_node
*node
;
4330 if (test_special_conditional_schedule_constraints(ctx
) < 0)
4332 if (test_special_conditional_schedule_constraints_2(ctx
) < 0)
4335 for (i
= 0; i
< ARRAY_SIZE(live_range_tests
); ++i
) {
4336 domain
= isl_union_set_read_from_str(ctx
,
4337 live_range_tests
[i
].domain
);
4338 flow
= isl_union_map_read_from_str(ctx
,
4339 live_range_tests
[i
].flow
);
4340 condition
= isl_union_map_read_from_str(ctx
,
4341 live_range_tests
[i
].condition
);
4342 validity
= isl_union_map_read_from_str(ctx
,
4343 live_range_tests
[i
].conditional_validity
);
4344 sc
= isl_schedule_constraints_on_domain(domain
);
4345 sc
= isl_schedule_constraints_set_validity(sc
,
4346 isl_union_map_copy(flow
));
4347 sc
= isl_schedule_constraints_set_proximity(sc
, flow
);
4348 sc
= isl_schedule_constraints_set_conditional_validity(sc
,
4349 condition
, validity
);
4350 schedule
= isl_schedule_constraints_compute_schedule(sc
);
4351 node
= isl_schedule_get_root(schedule
);
4353 isl_schedule_node_get_type(node
) != isl_schedule_node_band
)
4354 node
= isl_schedule_node_first_child(node
);
4355 n_member
= isl_schedule_node_band_n_member(node
);
4356 isl_schedule_node_free(node
);
4357 isl_schedule_free(schedule
);
4359 if (!schedule
|| n_member
< 0)
4361 if (n_member
!= live_range_tests
[i
].outer_band_n
)
4362 isl_die(ctx
, isl_error_unknown
,
4363 "unexpected number of members in outer band",
4369 /* Check that the schedule computed for the given instance set and
4370 * dependence relation strongly satisfies the dependences.
4371 * In particular, check that no instance is scheduled before
4372 * or together with an instance on which it depends.
4373 * Earlier versions of isl would produce a schedule that
4374 * only weakly satisfies the dependences.
4376 static int test_strongly_satisfying_schedule(isl_ctx
*ctx
)
4378 const char *domain
, *dep
;
4379 isl_union_map
*D
, *schedule
;
4383 domain
= "{ B[i0, i1] : 0 <= i0 <= 1 and 0 <= i1 <= 11; "
4384 "A[i0] : 0 <= i0 <= 1 }";
4385 dep
= "{ B[i0, i1] -> B[i0, 1 + i1] : 0 <= i0 <= 1 and 0 <= i1 <= 10; "
4386 "B[0, 11] -> A[1]; A[i0] -> B[i0, 0] : 0 <= i0 <= 1 }";
4387 schedule
= compute_schedule(ctx
, domain
, dep
, dep
);
4388 D
= isl_union_map_read_from_str(ctx
, dep
);
4389 D
= isl_union_map_apply_domain(D
, isl_union_map_copy(schedule
));
4390 D
= isl_union_map_apply_range(D
, schedule
);
4391 map
= isl_map_from_union_map(D
);
4392 ge
= isl_map_lex_ge(isl_space_domain(isl_map_get_space(map
)));
4393 map
= isl_map_intersect(map
, ge
);
4394 empty
= isl_map_is_empty(map
);
4400 isl_die(ctx
, isl_error_unknown
,
4401 "dependences not strongly satisfied", return -1);
4406 /* Compute a schedule for input where the instance set constraints
4407 * conflict with the context constraints.
4408 * Earlier versions of isl did not properly handle this situation.
4410 static int test_conflicting_context_schedule(isl_ctx
*ctx
)
4412 isl_union_map
*schedule
;
4413 const char *domain
, *context
;
4415 domain
= "[n] -> { A[] : n >= 0 }";
4416 context
= "[n] -> { : n < 0 }";
4417 schedule
= compute_schedule_with_context(ctx
,
4418 domain
, "{}", "{}", context
);
4419 isl_union_map_free(schedule
);
4427 /* Check that a set of schedule constraints that only allow for
4428 * a coalescing schedule still produces a schedule even if the user
4429 * request a non-coalescing schedule. Earlier versions of isl
4430 * would not handle this case correctly.
4432 static int test_coalescing_schedule(isl_ctx
*ctx
)
4434 const char *domain
, *dep
;
4437 isl_schedule_constraints
*sc
;
4438 isl_schedule
*schedule
;
4439 int treat_coalescing
;
4441 domain
= "{ S[a, b] : 0 <= a <= 1 and 0 <= b <= 1 }";
4442 dep
= "{ S[a, b] -> S[a + b, 1 - b] }";
4443 I
= isl_union_set_read_from_str(ctx
, domain
);
4444 D
= isl_union_map_read_from_str(ctx
, dep
);
4445 sc
= isl_schedule_constraints_on_domain(I
);
4446 sc
= isl_schedule_constraints_set_validity(sc
, D
);
4447 treat_coalescing
= isl_options_get_schedule_treat_coalescing(ctx
);
4448 isl_options_set_schedule_treat_coalescing(ctx
, 1);
4449 schedule
= isl_schedule_constraints_compute_schedule(sc
);
4450 isl_options_set_schedule_treat_coalescing(ctx
, treat_coalescing
);
4451 isl_schedule_free(schedule
);
4457 /* Check that the scheduler does not perform any needless
4458 * compound skewing. Earlier versions of isl would compute
4459 * schedules in terms of transformed schedule coefficients and
4460 * would not accurately keep track of the sum of the original
4461 * schedule coefficients. It could then produce the schedule
4462 * S[t,i,j,k] -> [t, 2t + i, 2t + i + j, 2t + i + j + k]
4463 * for the input below instead of the schedule below.
4465 static int test_skewing_schedule(isl_ctx
*ctx
)
4467 const char *D
, *V
, *P
, *S
;
4469 D
= "[n] -> { S[t,i,j,k] : 0 <= t,i,j,k < n }";
4470 V
= "[n] -> { S[t,i,j,k] -> S[t+1,a,b,c] : 0 <= t,i,j,k,a,b,c < n and "
4471 "-2 <= a-i <= 2 and -1 <= a-i + b-j <= 1 and "
4472 "-1 <= a-i + b-j + c-k <= 1 }";
4474 S
= "{ S[t,i,j,k] -> [t, 2t + i, t + i + j, 2t + k] }";
4476 return test_special_schedule(ctx
, D
, V
, P
, S
);
4479 int test_schedule(isl_ctx
*ctx
)
4481 const char *D
, *W
, *R
, *V
, *P
, *S
;
4482 int max_coincidence
;
4483 int treat_coalescing
;
4485 /* Handle resulting schedule with zero bands. */
4486 if (test_one_schedule(ctx
, "{[]}", "{}", "{}", "{[] -> []}", 0, 0) < 0)
4490 D
= "[T,N] -> { S1[t,i] : 1 <= t <= T and 2 <= i <= N - 1 }";
4491 W
= "{ S1[t,i] -> a[t,i] }";
4492 R
= "{ S1[t,i] -> a[t-1,i]; S1[t,i] -> a[t-1,i-1]; "
4493 "S1[t,i] -> a[t-1,i+1] }";
4494 S
= "{ S1[t,i] -> [t,i] }";
4495 if (test_one_schedule(ctx
, D
, W
, R
, S
, 2, 0) < 0)
4498 /* Fig. 5 of CC2008 */
4499 D
= "[N] -> { S_0[i, j] : i >= 0 and i <= -1 + N and j >= 2 and "
4501 W
= "[N] -> { S_0[i, j] -> a[i, j] : i >= 0 and i <= -1 + N and "
4502 "j >= 2 and j <= -1 + N }";
4503 R
= "[N] -> { S_0[i, j] -> a[j, i] : i >= 0 and i <= -1 + N and "
4504 "j >= 2 and j <= -1 + N; "
4505 "S_0[i, j] -> a[i, -1 + j] : i >= 0 and i <= -1 + N and "
4506 "j >= 2 and j <= -1 + N }";
4507 S
= "[N] -> { S_0[i, j] -> [0, i, 0, j, 0] }";
4508 if (test_one_schedule(ctx
, D
, W
, R
, S
, 2, 0) < 0)
4511 D
= "{ S1[i] : 0 <= i <= 10; S2[i] : 0 <= i <= 9 }";
4512 W
= "{ S1[i] -> a[i] }";
4513 R
= "{ S2[i] -> a[i+1] }";
4514 S
= "{ S1[i] -> [0,i]; S2[i] -> [1,i] }";
4515 if (test_one_schedule(ctx
, D
, W
, R
, S
, 1, 1) < 0)
4518 D
= "{ S1[i] : 0 <= i < 10; S2[i] : 0 <= i < 10 }";
4519 W
= "{ S1[i] -> a[i] }";
4520 R
= "{ S2[i] -> a[9-i] }";
4521 S
= "{ S1[i] -> [0,i]; S2[i] -> [1,i] }";
4522 if (test_one_schedule(ctx
, D
, W
, R
, S
, 1, 1) < 0)
4525 D
= "[N] -> { S1[i] : 0 <= i < N; S2[i] : 0 <= i < N }";
4526 W
= "{ S1[i] -> a[i] }";
4527 R
= "[N] -> { S2[i] -> a[N-1-i] }";
4528 S
= "{ S1[i] -> [0,i]; S2[i] -> [1,i] }";
4529 if (test_one_schedule(ctx
, D
, W
, R
, S
, 1, 1) < 0)
4532 D
= "{ S1[i] : 0 < i < 10; S2[i] : 0 <= i < 10 }";
4533 W
= "{ S1[i] -> a[i]; S2[i] -> b[i] }";
4534 R
= "{ S2[i] -> a[i]; S1[i] -> b[i-1] }";
4535 S
= "{ S1[i] -> [i,0]; S2[i] -> [i,1] }";
4536 if (test_one_schedule(ctx
, D
, W
, R
, S
, 0, 0) < 0)
4539 D
= "[N] -> { S1[i] : 1 <= i <= N; S2[i,j] : 1 <= i,j <= N }";
4540 W
= "{ S1[i] -> a[0,i]; S2[i,j] -> a[i,j] }";
4541 R
= "{ S2[i,j] -> a[i-1,j] }";
4542 S
= "{ S1[i] -> [0,i,0]; S2[i,j] -> [1,i,j] }";
4543 if (test_one_schedule(ctx
, D
, W
, R
, S
, 2, 1) < 0)
4546 D
= "[N] -> { S1[i] : 1 <= i <= N; S2[i,j] : 1 <= i,j <= N }";
4547 W
= "{ S1[i] -> a[i,0]; S2[i,j] -> a[i,j] }";
4548 R
= "{ S2[i,j] -> a[i,j-1] }";
4549 S
= "{ S1[i] -> [0,i,0]; S2[i,j] -> [1,i,j] }";
4550 if (test_one_schedule(ctx
, D
, W
, R
, S
, 2, 1) < 0)
4553 D
= "[N] -> { S_0[]; S_1[i] : i >= 0 and i <= -1 + N; S_2[] }";
4554 W
= "[N] -> { S_0[] -> a[0]; S_2[] -> b[0]; "
4555 "S_1[i] -> a[1 + i] : i >= 0 and i <= -1 + N }";
4556 R
= "[N] -> { S_2[] -> a[N]; S_1[i] -> a[i] : i >= 0 and i <= -1 + N }";
4557 S
= "[N] -> { S_1[i] -> [1, i, 0]; S_2[] -> [2, 0, 1]; "
4558 "S_0[] -> [0, 0, 0] }";
4559 if (test_one_schedule(ctx
, D
, W
, R
, S
, 1, 0) < 0)
4561 ctx
->opt
->schedule_parametric
= 0;
4562 if (test_one_schedule(ctx
, D
, W
, R
, S
, 0, 0) < 0)
4564 ctx
->opt
->schedule_parametric
= 1;
4566 D
= "[N] -> { S1[i] : 1 <= i <= N; S2[i] : 1 <= i <= N; "
4567 "S3[i,j] : 1 <= i,j <= N; S4[i] : 1 <= i <= N }";
4568 W
= "{ S1[i] -> a[i,0]; S2[i] -> a[0,i]; S3[i,j] -> a[i,j] }";
4569 R
= "[N] -> { S3[i,j] -> a[i-1,j]; S3[i,j] -> a[i,j-1]; "
4570 "S4[i] -> a[i,N] }";
4571 S
= "{ S1[i] -> [0,i,0]; S2[i] -> [1,i,0]; S3[i,j] -> [2,i,j]; "
4572 "S4[i] -> [4,i,0] }";
4573 max_coincidence
= isl_options_get_schedule_maximize_coincidence(ctx
);
4574 isl_options_set_schedule_maximize_coincidence(ctx
, 0);
4575 if (test_one_schedule(ctx
, D
, W
, R
, S
, 2, 0) < 0)
4577 isl_options_set_schedule_maximize_coincidence(ctx
, max_coincidence
);
4579 D
= "[N] -> { S_0[i, j] : i >= 1 and i <= N and j >= 1 and j <= N }";
4580 W
= "[N] -> { S_0[i, j] -> s[0] : i >= 1 and i <= N and j >= 1 and "
4582 R
= "[N] -> { S_0[i, j] -> s[0] : i >= 1 and i <= N and j >= 1 and "
4584 "S_0[i, j] -> a[i, j] : i >= 1 and i <= N and j >= 1 and "
4586 S
= "[N] -> { S_0[i, j] -> [0, i, 0, j, 0] }";
4587 if (test_one_schedule(ctx
, D
, W
, R
, S
, 0, 0) < 0)
4590 D
= "[N] -> { S_0[t] : t >= 0 and t <= -1 + N; "
4591 " S_2[t] : t >= 0 and t <= -1 + N; "
4592 " S_1[t, i] : t >= 0 and t <= -1 + N and i >= 0 and "
4594 W
= "[N] -> { S_0[t] -> a[t, 0] : t >= 0 and t <= -1 + N; "
4595 " S_2[t] -> b[t] : t >= 0 and t <= -1 + N; "
4596 " S_1[t, i] -> a[t, 1 + i] : t >= 0 and t <= -1 + N and "
4597 "i >= 0 and i <= -1 + N }";
4598 R
= "[N] -> { S_1[t, i] -> a[t, i] : t >= 0 and t <= -1 + N and "
4599 "i >= 0 and i <= -1 + N; "
4600 " S_2[t] -> a[t, N] : t >= 0 and t <= -1 + N }";
4601 S
= "[N] -> { S_2[t] -> [0, t, 2]; S_1[t, i] -> [0, t, 1, i, 0]; "
4602 " S_0[t] -> [0, t, 0] }";
4604 if (test_one_schedule(ctx
, D
, W
, R
, S
, 2, 1) < 0)
4606 ctx
->opt
->schedule_parametric
= 0;
4607 if (test_one_schedule(ctx
, D
, W
, R
, S
, 0, 0) < 0)
4609 ctx
->opt
->schedule_parametric
= 1;
4611 D
= "[N] -> { S1[i,j] : 0 <= i,j < N; S2[i,j] : 0 <= i,j < N }";
4612 S
= "{ S1[i,j] -> [0,i,j]; S2[i,j] -> [1,i,j] }";
4613 if (test_one_schedule(ctx
, D
, "{}", "{}", S
, 2, 2) < 0)
4616 D
= "[M, N] -> { S_1[i] : i >= 0 and i <= -1 + M; "
4617 "S_0[i, j] : i >= 0 and i <= -1 + M and j >= 0 and j <= -1 + N }";
4618 W
= "[M, N] -> { S_0[i, j] -> a[j] : i >= 0 and i <= -1 + M and "
4619 "j >= 0 and j <= -1 + N; "
4620 "S_1[i] -> b[0] : i >= 0 and i <= -1 + M }";
4621 R
= "[M, N] -> { S_0[i, j] -> a[0] : i >= 0 and i <= -1 + M and "
4622 "j >= 0 and j <= -1 + N; "
4623 "S_1[i] -> b[0] : i >= 0 and i <= -1 + M }";
4624 S
= "[M, N] -> { S_1[i] -> [1, i, 0]; S_0[i, j] -> [0, i, 0, j, 0] }";
4625 if (test_one_schedule(ctx
, D
, W
, R
, S
, 0, 0) < 0)
4628 D
= "{ S_0[i] : i >= 0 }";
4629 W
= "{ S_0[i] -> a[i] : i >= 0 }";
4630 R
= "{ S_0[i] -> a[0] : i >= 0 }";
4631 S
= "{ S_0[i] -> [0, i, 0] }";
4632 if (test_one_schedule(ctx
, D
, W
, R
, S
, 0, 0) < 0)
4635 D
= "{ S_0[i] : i >= 0; S_1[i] : i >= 0 }";
4636 W
= "{ S_0[i] -> a[i] : i >= 0; S_1[i] -> b[i] : i >= 0 }";
4637 R
= "{ S_0[i] -> b[0] : i >= 0; S_1[i] -> a[i] : i >= 0 }";
4638 S
= "{ S_1[i] -> [0, i, 1]; S_0[i] -> [0, i, 0] }";
4639 if (test_one_schedule(ctx
, D
, W
, R
, S
, 0, 0) < 0)
4642 D
= "[n] -> { S_0[j, k] : j <= -1 + n and j >= 0 and "
4643 "k <= -1 + n and k >= 0 }";
4644 W
= "[n] -> { S_0[j, k] -> B[j] : j <= -1 + n and j >= 0 and " "k <= -1 + n and k >= 0 }";
4645 R
= "[n] -> { S_0[j, k] -> B[j] : j <= -1 + n and j >= 0 and "
4646 "k <= -1 + n and k >= 0; "
4647 "S_0[j, k] -> B[k] : j <= -1 + n and j >= 0 and "
4648 "k <= -1 + n and k >= 0; "
4649 "S_0[j, k] -> A[k] : j <= -1 + n and j >= 0 and "
4650 "k <= -1 + n and k >= 0 }";
4651 S
= "[n] -> { S_0[j, k] -> [2, j, k] }";
4652 ctx
->opt
->schedule_outer_coincidence
= 1;
4653 if (test_one_schedule(ctx
, D
, W
, R
, S
, 0, 0) < 0)
4655 ctx
->opt
->schedule_outer_coincidence
= 0;
4657 D
= "{Stmt_for_body24[i0, i1, i2, i3]:"
4658 "i0 >= 0 and i0 <= 1 and i1 >= 0 and i1 <= 6 and i2 >= 2 and "
4659 "i2 <= 6 - i1 and i3 >= 0 and i3 <= -1 + i2;"
4660 "Stmt_for_body24[i0, i1, 1, 0]:"
4661 "i0 >= 0 and i0 <= 1 and i1 >= 0 and i1 <= 5;"
4662 "Stmt_for_body7[i0, i1, i2]:"
4663 "i0 >= 0 and i0 <= 1 and i1 >= 0 and i1 <= 7 and i2 >= 0 and "
4666 V
= "{Stmt_for_body24[0, i1, i2, i3] -> "
4667 "Stmt_for_body24[1, i1, i2, i3]:"
4668 "i3 >= 0 and i3 <= -1 + i2 and i1 >= 0 and i2 <= 6 - i1 and "
4670 "Stmt_for_body24[0, i1, i2, i3] -> "
4671 "Stmt_for_body7[1, 1 + i1 + i3, 1 + i1 + i2]:"
4672 "i3 <= -1 + i2 and i2 <= 6 - i1 and i2 >= 1 and i1 >= 0 and "
4674 "Stmt_for_body24[0, i1, i2, i3] ->"
4675 "Stmt_for_body7[1, i1, 1 + i1 + i3]:"
4676 "i3 >= 0 and i2 <= 6 - i1 and i1 >= 0 and i3 <= -1 + i2;"
4677 "Stmt_for_body7[0, i1, i2] -> Stmt_for_body7[1, i1, i2]:"
4678 "(i2 >= 1 + i1 and i2 <= 6 and i1 >= 0 and i1 <= 4) or "
4679 "(i2 >= 3 and i2 <= 7 and i1 >= 1 and i2 >= 1 + i1) or "
4680 "(i2 >= 0 and i2 <= i1 and i2 >= -7 + i1 and i1 <= 7);"
4681 "Stmt_for_body7[0, i1, 1 + i1] -> Stmt_for_body7[1, i1, 1 + i1]:"
4682 "i1 <= 6 and i1 >= 0;"
4683 "Stmt_for_body7[0, 0, 7] -> Stmt_for_body7[1, 0, 7];"
4684 "Stmt_for_body7[i0, i1, i2] -> "
4685 "Stmt_for_body24[i0, o1, -1 + i2 - o1, -1 + i1 - o1]:"
4686 "i0 >= 0 and i0 <= 1 and o1 >= 0 and i2 >= 1 + i1 and "
4687 "o1 <= -2 + i2 and i2 <= 7 and o1 <= -1 + i1;"
4688 "Stmt_for_body7[i0, i1, i2] -> "
4689 "Stmt_for_body24[i0, i1, o2, -1 - i1 + i2]:"
4690 "i0 >= 0 and i0 <= 1 and i1 >= 0 and o2 >= -i1 + i2 and "
4691 "o2 >= 1 and o2 <= 6 - i1 and i2 >= 1 + i1 }";
4694 treat_coalescing
= isl_options_get_schedule_treat_coalescing(ctx
);
4695 isl_options_set_schedule_treat_coalescing(ctx
, 0);
4696 if (test_has_schedule(ctx
, D
, V
, P
) < 0)
4698 isl_options_set_schedule_treat_coalescing(ctx
, treat_coalescing
);
4700 D
= "{ S_0[i, j] : i >= 1 and i <= 10 and j >= 1 and j <= 8 }";
4701 V
= "{ S_0[i, j] -> S_0[i, 1 + j] : i >= 1 and i <= 10 and "
4702 "j >= 1 and j <= 7;"
4703 "S_0[i, j] -> S_0[1 + i, j] : i >= 1 and i <= 9 and "
4704 "j >= 1 and j <= 8 }";
4706 S
= "{ S_0[i, j] -> [i + j, i] }";
4707 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_FEAUTRIER
;
4708 if (test_special_schedule(ctx
, D
, V
, P
, S
) < 0)
4710 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_ISL
;
4712 /* Fig. 1 from Feautrier's "Some Efficient Solutions..." pt. 2, 1992 */
4713 D
= "[N] -> { S_0[i, j] : i >= 0 and i <= -1 + N and "
4714 "j >= 0 and j <= -1 + i }";
4715 V
= "[N] -> { S_0[i, j] -> S_0[i, 1 + j] : j <= -2 + i and "
4716 "i <= -1 + N and j >= 0;"
4717 "S_0[i, -1 + i] -> S_0[1 + i, 0] : i >= 1 and "
4720 S
= "{ S_0[i, j] -> [i, j] }";
4721 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_FEAUTRIER
;
4722 if (test_special_schedule(ctx
, D
, V
, P
, S
) < 0)
4724 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_ISL
;
4726 /* Test both algorithms on a case with only proximity dependences. */
4727 D
= "{ S[i,j] : 0 <= i <= 10 }";
4729 P
= "{ S[i,j] -> S[i+1,j] : 0 <= i,j <= 10 }";
4730 S
= "{ S[i, j] -> [j, i] }";
4731 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_FEAUTRIER
;
4732 if (test_special_schedule(ctx
, D
, V
, P
, S
) < 0)
4734 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_ISL
;
4735 if (test_special_schedule(ctx
, D
, V
, P
, S
) < 0)
4738 D
= "{ A[a]; B[] }";
4740 P
= "{ A[a] -> B[] }";
4741 if (test_has_schedule(ctx
, D
, V
, P
) < 0)
4744 if (test_padded_schedule(ctx
) < 0)
4747 /* Check that check for progress is not confused by rational
4750 D
= "[N] -> { S0[i, j] : i >= 0 and i <= N and j >= 0 and j <= N }";
4751 V
= "[N] -> { S0[i0, -1 + N] -> S0[2 + i0, 0] : i0 >= 0 and "
4753 "S0[i0, i1] -> S0[i0, 1 + i1] : i0 >= 0 and "
4754 "i0 <= N and i1 >= 0 and i1 <= -1 + N }";
4756 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_FEAUTRIER
;
4757 if (test_has_schedule(ctx
, D
, V
, P
) < 0)
4759 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_ISL
;
4761 /* Check that we allow schedule rows that are only non-trivial
4762 * on some full-dimensional domains.
4764 D
= "{ S1[j] : 0 <= j <= 1; S0[]; S2[k] : 0 <= k <= 1 }";
4765 V
= "{ S0[] -> S1[j] : 0 <= j <= 1; S2[0] -> S0[];"
4766 "S1[j] -> S2[1] : 0 <= j <= 1 }";
4768 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_FEAUTRIER
;
4769 if (test_has_schedule(ctx
, D
, V
, P
) < 0)
4771 ctx
->opt
->schedule_algorithm
= ISL_SCHEDULE_ALGORITHM_ISL
;
4773 if (test_conditional_schedule_constraints(ctx
) < 0)
4776 if (test_strongly_satisfying_schedule(ctx
) < 0)
4779 if (test_conflicting_context_schedule(ctx
) < 0)
4782 if (test_coalescing_schedule(ctx
) < 0)
4784 if (test_skewing_schedule(ctx
) < 0)
4790 /* Perform scheduling tests using the whole component scheduler.
4792 static int test_schedule_whole(isl_ctx
*ctx
)
4797 whole
= isl_options_get_schedule_whole_component(ctx
);
4798 isl_options_set_schedule_whole_component(ctx
, 1);
4799 r
= test_schedule(ctx
);
4800 isl_options_set_schedule_whole_component(ctx
, whole
);
4805 /* Perform scheduling tests using the incremental scheduler.
4807 static int test_schedule_incremental(isl_ctx
*ctx
)
4812 whole
= isl_options_get_schedule_whole_component(ctx
);
4813 isl_options_set_schedule_whole_component(ctx
, 0);
4814 r
= test_schedule(ctx
);
4815 isl_options_set_schedule_whole_component(ctx
, whole
);
4820 int test_plain_injective(isl_ctx
*ctx
, const char *str
, int injective
)
4822 isl_union_map
*umap
;
4825 umap
= isl_union_map_read_from_str(ctx
, str
);
4826 test
= isl_union_map_plain_is_injective(umap
);
4827 isl_union_map_free(umap
);
4830 if (test
== injective
)
4833 isl_die(ctx
, isl_error_unknown
,
4834 "map not detected as injective", return -1);
4836 isl_die(ctx
, isl_error_unknown
,
4837 "map detected as injective", return -1);
4840 int test_injective(isl_ctx
*ctx
)
4844 if (test_plain_injective(ctx
, "{S[i,j] -> A[0]; T[i,j] -> B[1]}", 0))
4846 if (test_plain_injective(ctx
, "{S[] -> A[0]; T[] -> B[0]}", 1))
4848 if (test_plain_injective(ctx
, "{S[] -> A[0]; T[] -> A[1]}", 1))
4850 if (test_plain_injective(ctx
, "{S[] -> A[0]; T[] -> A[0]}", 0))
4852 if (test_plain_injective(ctx
, "{S[i] -> A[i,0]; T[i] -> A[i,1]}", 1))
4854 if (test_plain_injective(ctx
, "{S[i] -> A[i]; T[i] -> A[i]}", 0))
4856 if (test_plain_injective(ctx
, "{S[] -> A[0,0]; T[] -> A[0,1]}", 1))
4858 if (test_plain_injective(ctx
, "{S[] -> A[0,0]; T[] -> A[1,0]}", 1))
4861 str
= "{S[] -> A[0,0]; T[] -> A[0,1]; U[] -> A[1,0]}";
4862 if (test_plain_injective(ctx
, str
, 1))
4864 str
= "{S[] -> A[0,0]; T[] -> A[0,1]; U[] -> A[0,0]}";
4865 if (test_plain_injective(ctx
, str
, 0))
4871 static int aff_plain_is_equal(__isl_keep isl_aff
*aff
, const char *str
)
4879 aff2
= isl_aff_read_from_str(isl_aff_get_ctx(aff
), str
);
4880 equal
= isl_aff_plain_is_equal(aff
, aff2
);
4886 static int aff_check_plain_equal(__isl_keep isl_aff
*aff
, const char *str
)
4890 equal
= aff_plain_is_equal(aff
, str
);
4894 isl_die(isl_aff_get_ctx(aff
), isl_error_unknown
,
4895 "result not as expected", return -1);
4899 /* Is "upa" obviously equal to the isl_union_pw_aff represented by "str"?
4901 static isl_bool
union_pw_aff_plain_is_equal(__isl_keep isl_union_pw_aff
*upa
,
4905 isl_union_pw_aff
*upa2
;
4909 return isl_bool_error
;
4911 ctx
= isl_union_pw_aff_get_ctx(upa
);
4912 upa2
= isl_union_pw_aff_read_from_str(ctx
, str
);
4913 equal
= isl_union_pw_aff_plain_is_equal(upa
, upa2
);
4914 isl_union_pw_aff_free(upa2
);
4919 /* Check that "upa" is obviously equal to the isl_union_pw_aff
4920 * represented by "str".
4922 static isl_stat
union_pw_aff_check_plain_equal(__isl_keep isl_union_pw_aff
*upa
,
4927 equal
= union_pw_aff_plain_is_equal(upa
, str
);
4929 return isl_stat_error
;
4931 isl_die(isl_union_pw_aff_get_ctx(upa
), isl_error_unknown
,
4932 "result not as expected", return isl_stat_error
);
4936 /* Basic tests on isl_union_pw_aff.
4938 * In particular, check that isl_union_pw_aff_aff_on_domain
4939 * aligns the parameters of the input objects and
4940 * that isl_union_pw_aff_param_on_domain_id properly
4941 * introduces the parameter.
4943 static int test_upa(isl_ctx
*ctx
)
4948 isl_union_set
*domain
;
4949 isl_union_pw_aff
*upa
;
4952 aff
= isl_aff_read_from_str(ctx
, "[N] -> { [N] }");
4953 str
= "[M] -> { A[i] : 0 <= i < M; B[] }";
4954 domain
= isl_union_set_read_from_str(ctx
, str
);
4955 upa
= isl_union_pw_aff_aff_on_domain(domain
, aff
);
4956 str
= "[N, M] -> { A[i] -> [N] : 0 <= i < M; B[] -> [N] }";
4957 ok
= union_pw_aff_check_plain_equal(upa
, str
);
4958 isl_union_pw_aff_free(upa
);
4962 id
= isl_id_alloc(ctx
, "N", NULL
);
4963 str
= "[M] -> { A[i] : 0 <= i < M; B[] }";
4964 domain
= isl_union_set_read_from_str(ctx
, str
);
4965 upa
= isl_union_pw_aff_param_on_domain_id(domain
, id
);
4966 str
= "[N, M] -> { A[i] -> [N] : 0 <= i < M; B[] -> [N] }";
4967 ok
= union_pw_aff_check_plain_equal(upa
, str
);
4968 isl_union_pw_aff_free(upa
);
4976 __isl_give isl_aff
*(*fn
)(__isl_take isl_aff
*aff1
,
4977 __isl_take isl_aff
*aff2
);
4979 ['+'] = { &isl_aff_add
},
4980 ['-'] = { &isl_aff_sub
},
4981 ['*'] = { &isl_aff_mul
},
4982 ['/'] = { &isl_aff_div
},
4990 } aff_bin_tests
[] = {
4991 { "{ [i] -> [i] }", '+', "{ [i] -> [i] }",
4992 "{ [i] -> [2i] }" },
4993 { "{ [i] -> [i] }", '-', "{ [i] -> [i] }",
4995 { "{ [i] -> [i] }", '*', "{ [i] -> [2] }",
4996 "{ [i] -> [2i] }" },
4997 { "{ [i] -> [2] }", '*', "{ [i] -> [i] }",
4998 "{ [i] -> [2i] }" },
4999 { "{ [i] -> [i] }", '/', "{ [i] -> [2] }",
5000 "{ [i] -> [i/2] }" },
5001 { "{ [i] -> [2i] }", '/', "{ [i] -> [2] }",
5003 { "{ [i] -> [i] }", '+', "{ [i] -> [NaN] }",
5004 "{ [i] -> [NaN] }" },
5005 { "{ [i] -> [i] }", '-', "{ [i] -> [NaN] }",
5006 "{ [i] -> [NaN] }" },
5007 { "{ [i] -> [i] }", '*', "{ [i] -> [NaN] }",
5008 "{ [i] -> [NaN] }" },
5009 { "{ [i] -> [2] }", '*', "{ [i] -> [NaN] }",
5010 "{ [i] -> [NaN] }" },
5011 { "{ [i] -> [i] }", '/', "{ [i] -> [NaN] }",
5012 "{ [i] -> [NaN] }" },
5013 { "{ [i] -> [2] }", '/', "{ [i] -> [NaN] }",
5014 "{ [i] -> [NaN] }" },
5015 { "{ [i] -> [NaN] }", '+', "{ [i] -> [i] }",
5016 "{ [i] -> [NaN] }" },
5017 { "{ [i] -> [NaN] }", '-', "{ [i] -> [i] }",
5018 "{ [i] -> [NaN] }" },
5019 { "{ [i] -> [NaN] }", '*', "{ [i] -> [2] }",
5020 "{ [i] -> [NaN] }" },
5021 { "{ [i] -> [NaN] }", '*', "{ [i] -> [i] }",
5022 "{ [i] -> [NaN] }" },
5023 { "{ [i] -> [NaN] }", '/', "{ [i] -> [2] }",
5024 "{ [i] -> [NaN] }" },
5025 { "{ [i] -> [NaN] }", '/', "{ [i] -> [i] }",
5026 "{ [i] -> [NaN] }" },
5029 /* Perform some basic tests of binary operations on isl_aff objects.
5031 static int test_bin_aff(isl_ctx
*ctx
)
5034 isl_aff
*aff1
, *aff2
, *res
;
5035 __isl_give isl_aff
*(*fn
)(__isl_take isl_aff
*aff1
,
5036 __isl_take isl_aff
*aff2
);
5039 for (i
= 0; i
< ARRAY_SIZE(aff_bin_tests
); ++i
) {
5040 aff1
= isl_aff_read_from_str(ctx
, aff_bin_tests
[i
].arg1
);
5041 aff2
= isl_aff_read_from_str(ctx
, aff_bin_tests
[i
].arg2
);
5042 res
= isl_aff_read_from_str(ctx
, aff_bin_tests
[i
].res
);
5043 fn
= aff_bin_op
[aff_bin_tests
[i
].op
].fn
;
5044 aff1
= fn(aff1
, aff2
);
5045 if (isl_aff_is_nan(res
))
5046 ok
= isl_aff_is_nan(aff1
);
5048 ok
= isl_aff_plain_is_equal(aff1
, res
);
5054 isl_die(ctx
, isl_error_unknown
,
5055 "unexpected result", return -1);
5062 __isl_give isl_pw_aff
*(*fn
)(__isl_take isl_pw_aff
*pa1
,
5063 __isl_take isl_pw_aff
*pa2
);
5064 } pw_aff_bin_op
[] = {
5065 ['m'] = { &isl_pw_aff_min
},
5066 ['M'] = { &isl_pw_aff_max
},
5069 /* Inputs for binary isl_pw_aff operation tests.
5070 * "arg1" and "arg2" are the two arguments, "op" identifies the operation
5071 * defined by pw_aff_bin_op, and "res" is the expected result.
5078 } pw_aff_bin_tests
[] = {
5079 { "{ [i] -> [i] }", 'm', "{ [i] -> [i] }",
5081 { "{ [i] -> [i] }", 'M', "{ [i] -> [i] }",
5083 { "{ [i] -> [i] }", 'm', "{ [i] -> [0] }",
5084 "{ [i] -> [i] : i <= 0; [i] -> [0] : i > 0 }" },
5085 { "{ [i] -> [i] }", 'M', "{ [i] -> [0] }",
5086 "{ [i] -> [i] : i >= 0; [i] -> [0] : i < 0 }" },
5087 { "{ [i] -> [i] }", 'm', "{ [i] -> [NaN] }",
5088 "{ [i] -> [NaN] }" },
5089 { "{ [i] -> [NaN] }", 'm', "{ [i] -> [i] }",
5090 "{ [i] -> [NaN] }" },
5093 /* Perform some basic tests of binary operations on isl_pw_aff objects.
5095 static int test_bin_pw_aff(isl_ctx
*ctx
)
5099 isl_pw_aff
*pa1
, *pa2
, *res
;
5101 for (i
= 0; i
< ARRAY_SIZE(pw_aff_bin_tests
); ++i
) {
5102 pa1
= isl_pw_aff_read_from_str(ctx
, pw_aff_bin_tests
[i
].arg1
);
5103 pa2
= isl_pw_aff_read_from_str(ctx
, pw_aff_bin_tests
[i
].arg2
);
5104 res
= isl_pw_aff_read_from_str(ctx
, pw_aff_bin_tests
[i
].res
);
5105 pa1
= pw_aff_bin_op
[pw_aff_bin_tests
[i
].op
].fn(pa1
, pa2
);
5106 if (isl_pw_aff_involves_nan(res
))
5107 ok
= isl_pw_aff_involves_nan(pa1
);
5109 ok
= isl_pw_aff_plain_is_equal(pa1
, res
);
5110 isl_pw_aff_free(pa1
);
5111 isl_pw_aff_free(res
);
5115 isl_die(ctx
, isl_error_unknown
,
5116 "unexpected result", return -1);
5123 __isl_give isl_union_pw_multi_aff
*(*fn
)(
5124 __isl_take isl_union_pw_multi_aff
*upma1
,
5125 __isl_take isl_union_pw_multi_aff
*upma2
);
5129 } upma_bin_tests
[] = {
5130 { &isl_union_pw_multi_aff_add
, "{ A[] -> [0]; B[0] -> [1] }",
5131 "{ B[x] -> [2] : x >= 0 }", "{ B[0] -> [3] }" },
5132 { &isl_union_pw_multi_aff_union_add
, "{ A[] -> [0]; B[0] -> [1] }",
5133 "{ B[x] -> [2] : x >= 0 }",
5134 "{ A[] -> [0]; B[0] -> [3]; B[x] -> [2] : x >= 1 }" },
5135 { &isl_union_pw_multi_aff_pullback_union_pw_multi_aff
,
5136 "{ A[] -> B[0]; C[x] -> B[1] : x < 10; C[y] -> B[2] : y >= 10 }",
5137 "{ D[i] -> A[] : i < 0; D[i] -> C[i + 5] : i >= 0 }",
5138 "{ D[i] -> B[0] : i < 0; D[i] -> B[1] : 0 <= i < 5; "
5139 "D[i] -> B[2] : i >= 5 }" },
5140 { &isl_union_pw_multi_aff_union_add
, "{ B[x] -> A[1] : x <= 0 }",
5141 "{ B[x] -> C[2] : x > 0 }",
5142 "{ B[x] -> A[1] : x <= 0; B[x] -> C[2] : x > 0 }" },
5143 { &isl_union_pw_multi_aff_union_add
, "{ B[x] -> A[1] : x <= 0 }",
5144 "{ B[x] -> A[2] : x >= 0 }",
5145 "{ B[x] -> A[1] : x < 0; B[x] -> A[2] : x > 0; B[0] -> A[3] }" },
5148 /* Perform some basic tests of binary operations on
5149 * isl_union_pw_multi_aff objects.
5151 static int test_bin_upma(isl_ctx
*ctx
)
5154 isl_union_pw_multi_aff
*upma1
, *upma2
, *res
;
5157 for (i
= 0; i
< ARRAY_SIZE(upma_bin_tests
); ++i
) {
5158 upma1
= isl_union_pw_multi_aff_read_from_str(ctx
,
5159 upma_bin_tests
[i
].arg1
);
5160 upma2
= isl_union_pw_multi_aff_read_from_str(ctx
,
5161 upma_bin_tests
[i
].arg2
);
5162 res
= isl_union_pw_multi_aff_read_from_str(ctx
,
5163 upma_bin_tests
[i
].res
);
5164 upma1
= upma_bin_tests
[i
].fn(upma1
, upma2
);
5165 ok
= isl_union_pw_multi_aff_plain_is_equal(upma1
, res
);
5166 isl_union_pw_multi_aff_free(upma1
);
5167 isl_union_pw_multi_aff_free(res
);
5171 isl_die(ctx
, isl_error_unknown
,
5172 "unexpected result", return -1);
5179 __isl_give isl_union_pw_multi_aff
*(*fn
)(
5180 __isl_take isl_union_pw_multi_aff
*upma1
,
5181 __isl_take isl_union_pw_multi_aff
*upma2
);
5184 } upma_bin_fail_tests
[] = {
5185 { &isl_union_pw_multi_aff_union_add
, "{ B[x] -> A[1] : x <= 0 }",
5186 "{ B[x] -> C[2] : x >= 0 }" },
5189 /* Perform some basic tests of binary operations on
5190 * isl_union_pw_multi_aff objects that are expected to fail.
5192 static int test_bin_upma_fail(isl_ctx
*ctx
)
5195 isl_union_pw_multi_aff
*upma1
, *upma2
;
5198 on_error
= isl_options_get_on_error(ctx
);
5199 isl_options_set_on_error(ctx
, ISL_ON_ERROR_CONTINUE
);
5200 n
= ARRAY_SIZE(upma_bin_fail_tests
);
5201 for (i
= 0; i
< n
; ++i
) {
5202 upma1
= isl_union_pw_multi_aff_read_from_str(ctx
,
5203 upma_bin_fail_tests
[i
].arg1
);
5204 upma2
= isl_union_pw_multi_aff_read_from_str(ctx
,
5205 upma_bin_fail_tests
[i
].arg2
);
5206 upma1
= upma_bin_fail_tests
[i
].fn(upma1
, upma2
);
5207 isl_union_pw_multi_aff_free(upma1
);
5211 isl_options_set_on_error(ctx
, on_error
);
5213 isl_die(ctx
, isl_error_unknown
,
5214 "operation not expected to succeed", return -1);
5219 /* Inputs for basic tests of unary operations on isl_multi_pw_aff objects.
5220 * "fn" is the function that is tested.
5221 * "arg" is a string description of the input.
5222 * "res" is a string description of the expected result.
5225 __isl_give isl_multi_pw_aff
*(*fn
)(__isl_take isl_multi_pw_aff
*mpa
);
5228 } mpa_un_tests
[] = {
5229 { &isl_multi_pw_aff_range_factor_domain
,
5230 "{ A[x] -> [B[(1 : x >= 5)] -> C[(2 : x <= 10)]] }",
5231 "{ A[x] -> B[(1 : x >= 5)] }" },
5232 { &isl_multi_pw_aff_range_factor_range
,
5233 "{ A[x] -> [B[(1 : x >= 5)] -> C[(2 : x <= 10)]] }",
5234 "{ A[y] -> C[(2 : y <= 10)] }" },
5235 { &isl_multi_pw_aff_range_factor_domain
,
5236 "{ A[x] -> [B[(1 : x >= 5)] -> C[]] }",
5237 "{ A[x] -> B[(1 : x >= 5)] }" },
5238 { &isl_multi_pw_aff_range_factor_range
,
5239 "{ A[x] -> [B[(1 : x >= 5)] -> C[]] }",
5240 "{ A[y] -> C[] }" },
5241 { &isl_multi_pw_aff_range_factor_domain
,
5242 "{ A[x] -> [B[] -> C[(2 : x <= 10)]] }",
5243 "{ A[x] -> B[] }" },
5244 { &isl_multi_pw_aff_range_factor_range
,
5245 "{ A[x] -> [B[] -> C[(2 : x <= 10)]] }",
5246 "{ A[y] -> C[(2 : y <= 10)] }" },
5247 { &isl_multi_pw_aff_range_factor_domain
,
5248 "{ A[x] -> [B[] -> C[]] }",
5249 "{ A[x] -> B[] }" },
5250 { &isl_multi_pw_aff_range_factor_range
,
5251 "{ A[x] -> [B[] -> C[]] }",
5252 "{ A[y] -> C[] }" },
5253 { &isl_multi_pw_aff_factor_range
,
5256 { &isl_multi_pw_aff_range_factor_domain
,
5257 "{ A[x] -> [B[] -> C[]] : x >= 0 }",
5258 "{ A[x] -> B[] : x >= 0 }" },
5259 { &isl_multi_pw_aff_range_factor_range
,
5260 "{ A[x] -> [B[] -> C[]] : x >= 0 }",
5261 "{ A[y] -> C[] : y >= 0 }" },
5262 { &isl_multi_pw_aff_factor_range
,
5263 "[N] -> { [B[] -> C[]] : N >= 0 }",
5264 "[N] -> { C[] : N >= 0 }" },
5267 /* Perform some basic tests of unary operations on isl_multi_pw_aff objects.
5269 static int test_un_mpa(isl_ctx
*ctx
)
5273 isl_multi_pw_aff
*mpa
, *res
;
5275 for (i
= 0; i
< ARRAY_SIZE(mpa_un_tests
); ++i
) {
5276 mpa
= isl_multi_pw_aff_read_from_str(ctx
, mpa_un_tests
[i
].arg
);
5277 res
= isl_multi_pw_aff_read_from_str(ctx
, mpa_un_tests
[i
].res
);
5278 mpa
= mpa_un_tests
[i
].fn(mpa
);
5279 ok
= isl_multi_pw_aff_plain_is_equal(mpa
, res
);
5280 isl_multi_pw_aff_free(mpa
);
5281 isl_multi_pw_aff_free(res
);
5285 isl_die(ctx
, isl_error_unknown
,
5286 "unexpected result", return -1);
5292 /* Inputs for basic tests of binary operations on isl_multi_pw_aff objects.
5293 * "fn" is the function that is tested.
5294 * "arg1" and "arg2" are string descriptions of the inputs.
5295 * "res" is a string description of the expected result.
5298 __isl_give isl_multi_pw_aff
*(*fn
)(
5299 __isl_take isl_multi_pw_aff
*mpa1
,
5300 __isl_take isl_multi_pw_aff
*mpa2
);
5304 } mpa_bin_tests
[] = {
5305 { &isl_multi_pw_aff_add
, "{ A[] -> [1] }", "{ A[] -> [2] }",
5307 { &isl_multi_pw_aff_add
, "{ A[x] -> [(1 : x >= 5)] }",
5308 "{ A[x] -> [(x : x <= 10)] }",
5309 "{ A[x] -> [(1 + x : 5 <= x <= 10)] }" },
5310 { &isl_multi_pw_aff_add
, "{ A[x] -> [] : x >= 5 }",
5311 "{ A[x] -> [] : x <= 10 }",
5312 "{ A[x] -> [] : 5 <= x <= 10 }" },
5313 { &isl_multi_pw_aff_add
, "{ A[x] -> [] : x >= 5 }",
5314 "[N] -> { A[x] -> [] : x <= N }",
5315 "[N] -> { A[x] -> [] : 5 <= x <= N }" },
5316 { &isl_multi_pw_aff_add
,
5317 "[N] -> { A[x] -> [] : x <= N }",
5318 "{ A[x] -> [] : x >= 5 }",
5319 "[N] -> { A[x] -> [] : 5 <= x <= N }" },
5320 { &isl_multi_pw_aff_range_product
, "{ A[x] -> B[(1 : x >= 5)] }",
5321 "{ A[y] -> C[(2 : y <= 10)] }",
5322 "{ A[x] -> [B[(1 : x >= 5)] -> C[(2 : x <= 10)]] }" },
5323 { &isl_multi_pw_aff_range_product
, "{ A[x] -> B[1] : x >= 5 }",
5324 "{ A[y] -> C[2] : y <= 10 }",
5325 "{ A[x] -> [B[(1 : x >= 5)] -> C[(2 : x <= 10)]] }" },
5326 { &isl_multi_pw_aff_range_product
, "{ A[x] -> B[1] : x >= 5 }",
5327 "[N] -> { A[y] -> C[2] : y <= N }",
5328 "[N] -> { A[x] -> [B[(1 : x >= 5)] -> C[(2 : x <= N)]] }" },
5329 { &isl_multi_pw_aff_range_product
, "[N] -> { A[x] -> B[1] : x >= N }",
5330 "{ A[y] -> C[2] : y <= 10 }",
5331 "[N] -> { A[x] -> [B[(1 : x >= N)] -> C[(2 : x <= 10)]] }" },
5332 { &isl_multi_pw_aff_range_product
, "{ A[] -> B[1] }", "{ A[] -> C[2] }",
5333 "{ A[] -> [B[1] -> C[2]] }" },
5334 { &isl_multi_pw_aff_range_product
, "{ A[] -> B[] }", "{ A[] -> C[] }",
5335 "{ A[] -> [B[] -> C[]] }" },
5336 { &isl_multi_pw_aff_range_product
, "{ A[x] -> B[(1 : x >= 5)] }",
5337 "{ A[y] -> C[] : y <= 10 }",
5338 "{ A[x] -> [B[(1 : x >= 5)] -> C[]] : x <= 10 }" },
5339 { &isl_multi_pw_aff_range_product
, "{ A[y] -> C[] : y <= 10 }",
5340 "{ A[x] -> B[(1 : x >= 5)] }",
5341 "{ A[x] -> [C[] -> B[(1 : x >= 5)]] : x <= 10 }" },
5342 { &isl_multi_pw_aff_product
, "{ A[x] -> B[(1 : x >= 5)] }",
5343 "{ A[y] -> C[(2 : y <= 10)] }",
5344 "{ [A[x] -> A[y]] -> [B[(1 : x >= 5)] -> C[(2 : y <= 10)]] }" },
5345 { &isl_multi_pw_aff_product
, "{ A[x] -> B[(1 : x >= 5)] }",
5346 "{ A[y] -> C[] : y <= 10 }",
5347 "{ [A[x] -> A[y]] -> [B[(1 : x >= 5)] -> C[]] : y <= 10 }" },
5348 { &isl_multi_pw_aff_product
, "{ A[y] -> C[] : y <= 10 }",
5349 "{ A[x] -> B[(1 : x >= 5)] }",
5350 "{ [A[y] -> A[x]] -> [C[] -> B[(1 : x >= 5)]] : y <= 10 }" },
5351 { &isl_multi_pw_aff_product
, "{ A[x] -> B[(1 : x >= 5)] }",
5352 "[N] -> { A[y] -> C[] : y <= N }",
5353 "[N] -> { [A[x] -> A[y]] -> [B[(1 : x >= 5)] -> C[]] : y <= N }" },
5354 { &isl_multi_pw_aff_product
, "[N] -> { A[y] -> C[] : y <= N }",
5355 "{ A[x] -> B[(1 : x >= 5)] }",
5356 "[N] -> { [A[y] -> A[x]] -> [C[] -> B[(1 : x >= 5)]] : y <= N }" },
5357 { &isl_multi_pw_aff_product
, "{ A[x] -> B[] : x >= 5 }",
5358 "{ A[y] -> C[] : y <= 10 }",
5359 "{ [A[x] -> A[y]] -> [B[] -> C[]] : x >= 5 and y <= 10 }" },
5360 { &isl_multi_pw_aff_product
, "{ A[] -> B[1] }", "{ A[] -> C[2] }",
5361 "{ [A[] -> A[]] -> [B[1] -> C[2]] }" },
5362 { &isl_multi_pw_aff_product
, "{ A[] -> B[] }", "{ A[] -> C[] }",
5363 "{ [A[] -> A[]] -> [B[] -> C[]] }" },
5364 { &isl_multi_pw_aff_pullback_multi_pw_aff
,
5365 "{ B[i,j] -> C[i + 2j] }", "{ A[a,b] -> B[b,a] }",
5366 "{ A[a,b] -> C[b + 2a] }" },
5367 { &isl_multi_pw_aff_pullback_multi_pw_aff
,
5368 "{ B[i,j] -> C[i + 2j] }",
5369 "{ A[a,b] -> B[(b : b > a),(a : b > a)] }",
5370 "{ A[a,b] -> C[(b + 2a : b > a)] }" },
5371 { &isl_multi_pw_aff_pullback_multi_pw_aff
,
5372 "{ B[i,j] -> C[(i + 2j : j > 4)] }",
5373 "{ A[a,b] -> B[(b : b > a),(a : b > a)] }",
5374 "{ A[a,b] -> C[(b + 2a : b > a > 4)] }" },
5375 { &isl_multi_pw_aff_pullback_multi_pw_aff
,
5376 "{ B[i,j] -> C[] }",
5377 "{ A[a,b] -> B[(b : b > a),(a : b > a)] }",
5378 "{ A[a,b] -> C[] }" },
5379 { &isl_multi_pw_aff_pullback_multi_pw_aff
,
5380 "{ B[i,j] -> C[] : i > j }",
5381 "{ A[a,b] -> B[b,a] }",
5382 "{ A[a,b] -> C[] : b > a }" },
5383 { &isl_multi_pw_aff_pullback_multi_pw_aff
,
5384 "{ B[i,j] -> C[] : j > 5 }",
5385 "{ A[a,b] -> B[(b : b > a),(a : b > a)] }",
5386 "{ A[a,b] -> C[] : b > a > 5 }" },
5387 { &isl_multi_pw_aff_pullback_multi_pw_aff
,
5388 "[N] -> { B[i,j] -> C[] : j > N }",
5389 "{ A[a,b] -> B[(b : b > a),(a : b > a)] }",
5390 "[N] -> { A[a,b] -> C[] : b > a > N }" },
5391 { &isl_multi_pw_aff_pullback_multi_pw_aff
,
5392 "[M,N] -> { B[] -> C[] : N > 5 }",
5393 "[M,N] -> { A[] -> B[] : M > N }",
5394 "[M,N] -> { A[] -> C[] : M > N > 5 }" },
5397 /* Perform some basic tests of binary operations on isl_multi_pw_aff objects.
5399 static int test_bin_mpa(isl_ctx
*ctx
)
5403 isl_multi_pw_aff
*mpa1
, *mpa2
, *res
;
5405 for (i
= 0; i
< ARRAY_SIZE(mpa_bin_tests
); ++i
) {
5406 mpa1
= isl_multi_pw_aff_read_from_str(ctx
,
5407 mpa_bin_tests
[i
].arg1
);
5408 mpa2
= isl_multi_pw_aff_read_from_str(ctx
,
5409 mpa_bin_tests
[i
].arg2
);
5410 res
= isl_multi_pw_aff_read_from_str(ctx
,
5411 mpa_bin_tests
[i
].res
);
5412 mpa1
= mpa_bin_tests
[i
].fn(mpa1
, mpa2
);
5413 ok
= isl_multi_pw_aff_plain_is_equal(mpa1
, res
);
5414 isl_multi_pw_aff_free(mpa1
);
5415 isl_multi_pw_aff_free(res
);
5419 isl_die(ctx
, isl_error_unknown
,
5420 "unexpected result", return -1);
5426 /* Inputs for basic tests of unary operations on
5427 * isl_multi_union_pw_aff objects.
5428 * "fn" is the function that is tested.
5429 * "arg" is a string description of the input.
5430 * "res" is a string description of the expected result.
5433 __isl_give isl_multi_union_pw_aff
*(*fn
)(
5434 __isl_take isl_multi_union_pw_aff
*mupa
);
5437 } mupa_un_tests
[] = {
5438 { &isl_multi_union_pw_aff_factor_range
,
5439 "[B[{ A[] -> [1] }] -> C[{ A[] -> [2] }]]",
5440 "C[{ A[] -> [2] }]" },
5441 { &isl_multi_union_pw_aff_factor_range
,
5442 "[B[] -> C[{ A[] -> [2] }]]",
5443 "C[{ A[] -> [2] }]" },
5444 { &isl_multi_union_pw_aff_factor_range
,
5445 "[B[{ A[] -> [1] }] -> C[]]",
5447 { &isl_multi_union_pw_aff_factor_range
,
5450 { &isl_multi_union_pw_aff_factor_range
,
5451 "([B[] -> C[]] : { A[x] : x >= 0 })",
5452 "(C[] : { A[x] : x >= 0 })" },
5453 { &isl_multi_union_pw_aff_factor_range
,
5454 "[N] -> ([B[] -> C[]] : { A[x] : x <= N })",
5455 "[N] -> (C[] : { A[x] : x <= N })" },
5456 { &isl_multi_union_pw_aff_factor_range
,
5457 "[N] -> ([B[] -> C[]] : { : N >= 0 })",
5458 "[N] -> (C[] : { : N >= 0 })" },
5461 /* Perform some basic tests of unary operations on
5462 * isl_multi_union_pw_aff objects.
5464 static int test_un_mupa(isl_ctx
*ctx
)
5468 isl_multi_union_pw_aff
*mupa
, *res
;
5470 for (i
= 0; i
< ARRAY_SIZE(mupa_un_tests
); ++i
) {
5471 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
,
5472 mupa_un_tests
[i
].arg
);
5473 res
= isl_multi_union_pw_aff_read_from_str(ctx
,
5474 mupa_un_tests
[i
].res
);
5475 mupa
= mupa_un_tests
[i
].fn(mupa
);
5476 ok
= isl_multi_union_pw_aff_plain_is_equal(mupa
, res
);
5477 isl_multi_union_pw_aff_free(mupa
);
5478 isl_multi_union_pw_aff_free(res
);
5482 isl_die(ctx
, isl_error_unknown
,
5483 "unexpected result", return -1);
5489 /* Inputs for basic tests of binary operations on
5490 * isl_multi_union_pw_aff objects.
5491 * "fn" is the function that is tested.
5492 * "arg1" and "arg2" are string descriptions of the inputs.
5493 * "res" is a string description of the expected result.
5496 __isl_give isl_multi_union_pw_aff
*(*fn
)(
5497 __isl_take isl_multi_union_pw_aff
*mupa1
,
5498 __isl_take isl_multi_union_pw_aff
*mupa2
);
5502 } mupa_bin_tests
[] = {
5503 { &isl_multi_union_pw_aff_add
, "[{ A[] -> [1] }]", "[{ A[] -> [2] }]",
5504 "[{ A[] -> [3] }]" },
5505 { &isl_multi_union_pw_aff_sub
, "[{ A[] -> [1] }]", "[{ A[] -> [2] }]",
5506 "[{ A[] -> [-1] }]" },
5507 { &isl_multi_union_pw_aff_add
,
5508 "[{ A[] -> [1]; B[] -> [4] }]",
5509 "[{ A[] -> [2]; C[] -> [5] }]",
5510 "[{ A[] -> [3] }]" },
5511 { &isl_multi_union_pw_aff_union_add
,
5512 "[{ A[] -> [1]; B[] -> [4] }]",
5513 "[{ A[] -> [2]; C[] -> [5] }]",
5514 "[{ A[] -> [3]; B[] -> [4]; C[] -> [5] }]" },
5515 { &isl_multi_union_pw_aff_add
, "[{ A[x] -> [(1)] : x >= 5 }]",
5516 "[{ A[x] -> [(x)] : x <= 10 }]",
5517 "[{ A[x] -> [(1 + x)] : 5 <= x <= 10 }]" },
5518 { &isl_multi_union_pw_aff_add
, "([] : { A[x] : x >= 5 })",
5519 "([] : { A[x] : x <= 10 })",
5520 "([] : { A[x] : 5 <= x <= 10 })" },
5521 { &isl_multi_union_pw_aff_add
, "([] : { A[x] : x >= 5 })",
5522 "[N] -> ([] : { A[x] : x <= N })",
5523 "[N] -> ([] : { A[x] : 5 <= x <= N })" },
5524 { &isl_multi_union_pw_aff_add
, "[N] -> ([] : { A[x] : x >= N })",
5525 "([] : { A[x] : x <= 10 })",
5526 "[N] -> ([] : { A[x] : N <= x <= 10 })" },
5527 { &isl_multi_union_pw_aff_union_add
, "[{ A[x] -> [(1)] : x >= 5 }]",
5528 "[{ A[x] -> [(x)] : x <= 10 }]",
5529 "[{ A[x] -> [(1 + x)] : 5 <= x <= 10; "
5530 "A[x] -> [(1)] : x > 10; A[x] -> [(x)] : x < 5 }]" },
5531 { &isl_multi_union_pw_aff_union_add
, "([] : { A[x] : x >= 5 })",
5532 "([] : { A[x] : x <= 10 })",
5533 "([] : { A[x] })" },
5534 { &isl_multi_union_pw_aff_union_add
, "([] : { A[x] : x >= 0 })",
5535 "[N] -> ([] : { A[x] : x >= N })",
5536 "[N] -> ([] : { A[x] : x >= 0 or x >= N })" },
5537 { &isl_multi_union_pw_aff_union_add
,
5538 "[N] -> ([] : { A[] : N >= 0})",
5539 "[N] -> ([] : { A[] : N <= 0})",
5540 "[N] -> ([] : { A[] })" },
5541 { &isl_multi_union_pw_aff_union_add
,
5542 "[N] -> ([] : { A[] })",
5543 "[N] -> ([] : { : })",
5544 "[N] -> ([] : { : })" },
5545 { &isl_multi_union_pw_aff_union_add
,
5546 "[N] -> ([] : { : })",
5547 "[N] -> ([] : { A[] })",
5548 "[N] -> ([] : { : })" },
5549 { &isl_multi_union_pw_aff_union_add
,
5550 "[N] -> ([] : { : N >= 0})",
5551 "[N] -> ([] : { : N <= 0})",
5552 "[N] -> ([] : { : })" },
5553 { &isl_multi_union_pw_aff_range_product
,
5554 "B[{ A[] -> [1] }]",
5555 "C[{ A[] -> [2] }]",
5556 "[B[{ A[] -> [1] }] -> C[{ A[] -> [2] }]]" },
5557 { &isl_multi_union_pw_aff_range_product
,
5558 "(B[] : { A[x] : x >= 5 })",
5559 "(C[] : { A[x] : x <= 10 })",
5560 "([B[] -> C[]] : { A[x] : 5 <= x <= 10 })" },
5561 { &isl_multi_union_pw_aff_range_product
,
5562 "B[{ A[x] -> [x + 1] : x >= 5 }]",
5563 "(C[] : { A[x] : x <= 10 })",
5564 "[B[{ A[x] -> [x + 1] : 5 <= x <= 10 }] -> C[]]" },
5565 { &isl_multi_union_pw_aff_range_product
,
5566 "(C[] : { A[x] : x <= 10 })",
5567 "B[{ A[x] -> [x + 1] : x >= 5 }]",
5568 "[C[] -> B[{ A[x] -> [x + 1] : 5 <= x <= 10 }]]" },
5569 { &isl_multi_union_pw_aff_range_product
,
5570 "B[{ A[x] -> [x + 1] : x >= 5 }]",
5571 "[N] -> (C[] : { A[x] : x <= N })",
5572 "[N] -> [B[{ A[x] -> [x + 1] : 5 <= x <= N }] -> C[]]" },
5573 { &isl_multi_union_pw_aff_range_product
,
5574 "[N] -> (C[] : { A[x] : x <= N })",
5575 "B[{ A[x] -> [x + 1] : x >= 5 }]",
5576 "[N] -> [C[] -> B[{ A[x] -> [x + 1] : 5 <= x <= N }]]" },
5577 { &isl_multi_union_pw_aff_range_product
,
5578 "B[{ A[] -> [1]; D[] -> [3] }]",
5579 "C[{ A[] -> [2] }]",
5580 "[B[{ A[] -> [1]; D[] -> [3] }] -> C[{ A[] -> [2] }]]" },
5581 { &isl_multi_union_pw_aff_range_product
,
5584 "([B[] -> C[]] : { A[x] })" },
5585 { &isl_multi_union_pw_aff_range_product
,
5588 "([B[] -> C[]] : { A[x] })" },
5591 /* Perform some basic tests of binary operations on
5592 * isl_multi_union_pw_aff objects.
5594 static int test_bin_mupa(isl_ctx
*ctx
)
5598 isl_multi_union_pw_aff
*mupa1
, *mupa2
, *res
;
5600 for (i
= 0; i
< ARRAY_SIZE(mupa_bin_tests
); ++i
) {
5601 mupa1
= isl_multi_union_pw_aff_read_from_str(ctx
,
5602 mupa_bin_tests
[i
].arg1
);
5603 mupa2
= isl_multi_union_pw_aff_read_from_str(ctx
,
5604 mupa_bin_tests
[i
].arg2
);
5605 res
= isl_multi_union_pw_aff_read_from_str(ctx
,
5606 mupa_bin_tests
[i
].res
);
5607 mupa1
= mupa_bin_tests
[i
].fn(mupa1
, mupa2
);
5608 ok
= isl_multi_union_pw_aff_plain_is_equal(mupa1
, res
);
5609 isl_multi_union_pw_aff_free(mupa1
);
5610 isl_multi_union_pw_aff_free(res
);
5614 isl_die(ctx
, isl_error_unknown
,
5615 "unexpected result", return -1);
5621 /* Inputs for basic tests of binary operations on
5622 * pairs of isl_multi_union_pw_aff and isl_set objects.
5623 * "fn" is the function that is tested.
5624 * "arg1" and "arg2" are string descriptions of the inputs.
5625 * "res" is a string description of the expected result.
5628 __isl_give isl_multi_union_pw_aff
*(*fn
)(
5629 __isl_take isl_multi_union_pw_aff
*mupa
,
5630 __isl_take isl_set
*set
);
5634 } mupa_set_tests
[] = {
5635 { &isl_multi_union_pw_aff_intersect_range
,
5636 "C[{ B[i,j] -> [i + 2j] }]", "{ C[1] }",
5637 "C[{ B[i,j] -> [i + 2j] : i + 2j = 1 }]" },
5638 { &isl_multi_union_pw_aff_intersect_range
,
5639 "C[{ B[i,j] -> [i + 2j] }]", "[N] -> { C[N] }",
5640 "[N] -> C[{ B[i,j] -> [i + 2j] : i + 2j = N }]" },
5641 { &isl_multi_union_pw_aff_intersect_range
,
5642 "[N] -> C[{ B[i,j] -> [i + 2j + N] }]", "{ C[1] }",
5643 "[N] -> C[{ B[i,j] -> [i + 2j + N] : i + 2j + N = 1 }]" },
5644 { &isl_multi_union_pw_aff_intersect_range
,
5645 "C[{ B[i,j] -> [i + 2j] }]", "[N] -> { C[x] : N >= 0 }",
5646 "[N] -> C[{ B[i,j] -> [i + 2j] : N >= 0 }]" },
5647 { &isl_multi_union_pw_aff_intersect_range
,
5648 "C[]", "{ C[] }", "C[]" },
5649 { &isl_multi_union_pw_aff_intersect_range
,
5650 "[N] -> (C[] : { : N >= 0 })",
5652 "[N] -> (C[] : { : N >= 0 })" },
5653 { &isl_multi_union_pw_aff_intersect_range
,
5654 "(C[] : { A[a,b] })",
5656 "(C[] : { A[a,b] })" },
5657 { &isl_multi_union_pw_aff_intersect_range
,
5658 "[N] -> (C[] : { A[a,b] : a,b <= N })",
5660 "[N] -> (C[] : { A[a,b] : a,b <= N })" },
5661 { &isl_multi_union_pw_aff_intersect_range
,
5663 "[N] -> { C[] : N >= 0 }",
5664 "[N] -> (C[] : { : N >= 0 })" },
5665 { &isl_multi_union_pw_aff_intersect_range
,
5666 "(C[] : { A[a,b] })",
5667 "[N] -> { C[] : N >= 0 }",
5668 "[N] -> (C[] : { A[a,b] : N >= 0 })" },
5669 { &isl_multi_union_pw_aff_intersect_range
,
5670 "[N] -> (C[] : { : N >= 0 })",
5671 "[N] -> { C[] : N < 1024 }",
5672 "[N] -> (C[] : { : 0 <= N < 1024 })" },
5673 { &isl_multi_union_pw_aff_intersect_params
,
5674 "C[{ B[i,j] -> [i + 2j] }]", "[N] -> { : N >= 0 }",
5675 "[N] -> C[{ B[i,j] -> [i + 2j] : N >= 0}]" },
5676 { &isl_multi_union_pw_aff_intersect_params
,
5677 "[N] -> C[{ B[i,j] -> [i + 2j] : N <= 256 }]", "[N] -> { : N >= 0 }",
5678 "[N] -> C[{ B[i,j] -> [i + 2j] : 0 <= N <= 256 }]" },
5679 { &isl_multi_union_pw_aff_intersect_params
,
5680 "[N] -> C[{ B[i,j] -> [i + 2j] : N <= 256 }]", "{ : }",
5681 "[N] -> C[{ B[i,j] -> [i + 2j] : N <= 256 }]" },
5682 { &isl_multi_union_pw_aff_intersect_params
,
5683 "C[]", "[N] -> { : N >= 0 }",
5684 "[N] -> (C[] : { : N >= 0 })" },
5685 { &isl_multi_union_pw_aff_intersect_params
,
5686 "(C[] : { A[a,b] })", "[N] -> { : N >= 0 }",
5687 "[N] -> (C[] : { A[a,b] : N >= 0 })" },
5688 { &isl_multi_union_pw_aff_intersect_params
,
5689 "[N] -> (C[] : { A[a,N] })", "{ : }",
5690 "[N] -> (C[] : { A[a,N] })" },
5691 { &isl_multi_union_pw_aff_intersect_params
,
5692 "[N] -> (C[] : { A[a,b] : N <= 256 })", "[N] -> { : N >= 0 }",
5693 "[N] -> (C[] : { A[a,b] : 0 <= N <= 256 })" },
5696 /* Perform some basic tests of binary operations on
5697 * pairs of isl_multi_union_pw_aff and isl_set objects.
5699 static int test_mupa_set(isl_ctx
*ctx
)
5703 isl_multi_union_pw_aff
*mupa
, *res
;
5706 for (i
= 0; i
< ARRAY_SIZE(mupa_set_tests
); ++i
) {
5707 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
,
5708 mupa_set_tests
[i
].arg1
);
5709 set
= isl_set_read_from_str(ctx
, mupa_set_tests
[i
].arg2
);
5710 res
= isl_multi_union_pw_aff_read_from_str(ctx
,
5711 mupa_set_tests
[i
].res
);
5712 mupa
= mupa_set_tests
[i
].fn(mupa
, set
);
5713 ok
= isl_multi_union_pw_aff_plain_is_equal(mupa
, res
);
5714 isl_multi_union_pw_aff_free(mupa
);
5715 isl_multi_union_pw_aff_free(res
);
5719 isl_die(ctx
, isl_error_unknown
,
5720 "unexpected result", return -1);
5726 /* Inputs for basic tests of binary operations on
5727 * pairs of isl_multi_union_pw_aff and isl_union_set objects.
5728 * "fn" is the function that is tested.
5729 * "arg1" and "arg2" are string descriptions of the inputs.
5730 * "res" is a string description of the expected result.
5733 __isl_give isl_multi_union_pw_aff
*(*fn
)(
5734 __isl_take isl_multi_union_pw_aff
*mupa
,
5735 __isl_take isl_union_set
*uset
);
5739 } mupa_uset_tests
[] = {
5740 { &isl_multi_union_pw_aff_intersect_domain
,
5741 "C[{ B[i,j] -> [i + 2j] }]", "{ B[i,i] }",
5742 "C[{ B[i,i] -> [3i] }]" },
5743 { &isl_multi_union_pw_aff_intersect_domain
,
5744 "(C[] : { B[i,j] })", "{ B[i,i] }",
5745 "(C[] : { B[i,i] })" },
5746 { &isl_multi_union_pw_aff_intersect_domain
,
5747 "(C[] : { B[i,j] })", "[N] -> { B[N,N] }",
5748 "[N] -> (C[] : { B[N,N] })" },
5749 { &isl_multi_union_pw_aff_intersect_domain
,
5750 "C[]", "{ B[i,i] }",
5751 "(C[] : { B[i,i] })" },
5752 { &isl_multi_union_pw_aff_intersect_domain
,
5753 "[N] -> (C[] : { : N >= 0 })", "{ B[i,i] }",
5754 "[N] -> (C[] : { B[i,i] : N >= 0 })" },
5757 /* Perform some basic tests of binary operations on
5758 * pairs of isl_multi_union_pw_aff and isl_union_set objects.
5760 static int test_mupa_uset(isl_ctx
*ctx
)
5764 isl_multi_union_pw_aff
*mupa
, *res
;
5765 isl_union_set
*uset
;
5767 for (i
= 0; i
< ARRAY_SIZE(mupa_uset_tests
); ++i
) {
5768 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
,
5769 mupa_uset_tests
[i
].arg1
);
5770 uset
= isl_union_set_read_from_str(ctx
,
5771 mupa_uset_tests
[i
].arg2
);
5772 res
= isl_multi_union_pw_aff_read_from_str(ctx
,
5773 mupa_uset_tests
[i
].res
);
5774 mupa
= mupa_uset_tests
[i
].fn(mupa
, uset
);
5775 ok
= isl_multi_union_pw_aff_plain_is_equal(mupa
, res
);
5776 isl_multi_union_pw_aff_free(mupa
);
5777 isl_multi_union_pw_aff_free(res
);
5781 isl_die(ctx
, isl_error_unknown
,
5782 "unexpected result", return -1);
5788 /* Inputs for basic tests of binary operations on
5789 * pairs of isl_multi_union_pw_aff and isl_multi_aff objects.
5790 * "fn" is the function that is tested.
5791 * "arg1" and "arg2" are string descriptions of the inputs.
5792 * "res" is a string description of the expected result.
5795 __isl_give isl_multi_union_pw_aff
*(*fn
)(
5796 __isl_take isl_multi_union_pw_aff
*mupa
,
5797 __isl_take isl_multi_aff
*ma
);
5801 } mupa_ma_tests
[] = {
5802 { &isl_multi_union_pw_aff_apply_multi_aff
,
5803 "C[{ A[i,j] -> [i]; B[i,j] -> [j] }, "
5804 "{ A[i,j] -> [j]; B[i,j] -> [i] }]",
5805 "{ C[a,b] -> D[b,a] }",
5806 "D[{ A[i,j] -> [j]; B[i,j] -> [i] }, "
5807 "{ A[i,j] -> [i]; B[i,j] -> [j] }]" },
5808 { &isl_multi_union_pw_aff_apply_multi_aff
,
5809 "C[{ A[i,j] -> [i] : i >= 0; B[i,j] -> [j] }, "
5810 "{ A[i,j] -> [j]; B[i,j] -> [i] }]",
5811 "{ C[a,b] -> D[b,a] }",
5812 "D[{ A[i,j] -> [j] : i >= 0; B[i,j] -> [i] }, "
5813 "{ A[i,j] -> [i] : i >= 0; B[i,j] -> [j] }]" },
5814 { &isl_multi_union_pw_aff_apply_multi_aff
,
5815 "C[{ A[i,j] -> [i]; B[i,j] -> [j] }]",
5816 "[N] -> { C[a] -> D[a + N] }",
5817 "[N] -> D[{ A[i,j] -> [i + N]; B[i,j] -> [j + N] }] " },
5818 { &isl_multi_union_pw_aff_apply_multi_aff
,
5822 { &isl_multi_union_pw_aff_apply_multi_aff
,
5823 "[N] -> (C[] : { : N >= 0 })",
5825 "[N] -> (D[] : { : N >= 0 })" },
5826 { &isl_multi_union_pw_aff_apply_multi_aff
,
5828 "[N] -> { C[] -> D[N] }",
5829 "[N] -> D[{ [N] }]" },
5830 { &isl_multi_union_pw_aff_apply_multi_aff
,
5831 "(C[] : { A[i,j] : i >= j })",
5833 "(D[] : { A[i,j] : i >= j })" },
5834 { &isl_multi_union_pw_aff_apply_multi_aff
,
5835 "[N] -> (C[] : { A[i,j] : N >= 0 })",
5837 "[N] -> (D[] : { A[i,j] : N >= 0 })" },
5838 { &isl_multi_union_pw_aff_apply_multi_aff
,
5839 "(C[] : { A[i,j] : i >= j })",
5840 "[N] -> { C[] -> D[N] }",
5841 "[N] -> (D[{ A[i,j] -> [N] : i >= j }])" },
5844 /* Perform some basic tests of binary operations on
5845 * pairs of isl_multi_union_pw_aff and isl_multi_aff objects.
5847 static int test_mupa_ma(isl_ctx
*ctx
)
5851 isl_multi_union_pw_aff
*mupa
, *res
;
5854 for (i
= 0; i
< ARRAY_SIZE(mupa_ma_tests
); ++i
) {
5855 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
,
5856 mupa_ma_tests
[i
].arg1
);
5857 ma
= isl_multi_aff_read_from_str(ctx
, mupa_ma_tests
[i
].arg2
);
5858 res
= isl_multi_union_pw_aff_read_from_str(ctx
,
5859 mupa_ma_tests
[i
].res
);
5860 mupa
= mupa_ma_tests
[i
].fn(mupa
, ma
);
5861 ok
= isl_multi_union_pw_aff_plain_is_equal(mupa
, res
);
5862 isl_multi_union_pw_aff_free(mupa
);
5863 isl_multi_union_pw_aff_free(res
);
5867 isl_die(ctx
, isl_error_unknown
,
5868 "unexpected result", return -1);
5874 /* Inputs for basic tests of binary operations on
5875 * pairs of isl_multi_union_pw_aff and isl_pw_aff objects.
5876 * "fn" is the function that is tested.
5877 * "arg1" and "arg2" are string descriptions of the inputs.
5878 * "res" is a string description of the expected result.
5881 __isl_give isl_union_pw_aff
*(*fn
)(
5882 __isl_take isl_multi_union_pw_aff
*mupa
,
5883 __isl_take isl_pw_aff
*pa
);
5887 } mupa_pa_tests
[] = {
5888 { &isl_multi_union_pw_aff_apply_pw_aff
,
5889 "C[{ A[i,j] -> [i]; B[i,j] -> [j] }]",
5890 "[N] -> { C[a] -> [a + N] }",
5891 "[N] -> { A[i,j] -> [i + N]; B[i,j] -> [j + N] }" },
5892 { &isl_multi_union_pw_aff_apply_pw_aff
,
5893 "C[{ A[i,j] -> [i]; B[i,j] -> [j] }]",
5894 "{ C[a] -> [a] : a >= 0; C[a] -> [-a] : a < 0 }",
5895 "{ A[i,j] -> [i] : i >= 0; A[i,j] -> [-i] : i < 0; "
5896 "B[i,j] -> [j] : j >= 0; B[i,j] -> [-j] : j < 0 }" },
5897 { &isl_multi_union_pw_aff_apply_pw_aff
,
5899 "[N] -> { C[] -> [N] }",
5901 { &isl_multi_union_pw_aff_apply_pw_aff
,
5903 "[N] -> { C[] -> [N] : N >= 0; C[] -> [-N] : N < 0 }",
5904 "[N] -> { [N] : N >= 0; [-N] : N < 0 }" },
5905 { &isl_multi_union_pw_aff_apply_pw_aff
,
5906 "[N] -> (C[] : { : N >= 0 })",
5907 "[N] -> { C[] -> [N] }",
5908 "[N] -> { [N] : N >= 0 }" },
5909 { &isl_multi_union_pw_aff_apply_pw_aff
,
5910 "[N] -> (C[] : { : N >= 0 })",
5911 "[N] -> { C[] -> [N] : N >= 0; C[] -> [-N] : N < 0 }",
5912 "[N] -> { [N] : N >= 0 }" },
5913 { &isl_multi_union_pw_aff_apply_pw_aff
,
5914 "[N] -> (C[] : { : N >= 0 })",
5916 "[N] -> { [0] : N >= 0 }" },
5917 { &isl_multi_union_pw_aff_apply_pw_aff
,
5918 "(C[] : { A[i,j] : i >= j })",
5919 "[N] -> { C[] -> [N] }",
5920 "[N] -> { A[i,j] -> [N] : i >= j }" },
5921 { &isl_multi_union_pw_aff_apply_pw_aff
,
5922 "(C[] : { A[i,j] : i >= j })",
5923 "[N] -> { C[] -> [N] : N >= 0 }",
5924 "[N] -> { A[i,j] -> [N] : i >= j and N >= 0 }" },
5927 /* Perform some basic tests of binary operations on
5928 * pairs of isl_multi_union_pw_aff and isl_pw_aff objects.
5930 static int test_mupa_pa(isl_ctx
*ctx
)
5934 isl_multi_union_pw_aff
*mupa
;
5935 isl_union_pw_aff
*upa
, *res
;
5938 for (i
= 0; i
< ARRAY_SIZE(mupa_pa_tests
); ++i
) {
5939 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
,
5940 mupa_pa_tests
[i
].arg1
);
5941 pa
= isl_pw_aff_read_from_str(ctx
, mupa_pa_tests
[i
].arg2
);
5942 res
= isl_union_pw_aff_read_from_str(ctx
,
5943 mupa_pa_tests
[i
].res
);
5944 upa
= mupa_pa_tests
[i
].fn(mupa
, pa
);
5945 ok
= isl_union_pw_aff_plain_is_equal(upa
, res
);
5946 isl_union_pw_aff_free(upa
);
5947 isl_union_pw_aff_free(res
);
5951 isl_die(ctx
, isl_error_unknown
,
5952 "unexpected result", return -1);
5958 /* Inputs for basic tests of binary operations on
5959 * pairs of isl_multi_union_pw_aff and isl_pw_multi_aff objects.
5960 * "fn" is the function that is tested.
5961 * "arg1" and "arg2" are string descriptions of the inputs.
5962 * "res" is a string description of the expected result.
5965 __isl_give isl_multi_union_pw_aff
*(*fn
)(
5966 __isl_take isl_multi_union_pw_aff
*mupa
,
5967 __isl_take isl_pw_multi_aff
*pma
);
5971 } mupa_pma_tests
[] = {
5972 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
5973 "C[{ A[i,j] -> [i]; B[i,j] -> [j] }, "
5974 "{ A[i,j] -> [j]; B[i,j] -> [i] }]",
5975 "{ C[a,b] -> D[b,a] }",
5976 "D[{ A[i,j] -> [j]; B[i,j] -> [i] }, "
5977 "{ A[i,j] -> [i]; B[i,j] -> [j] }]" },
5978 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
5979 "C[{ A[i,j] -> [i] : i >= 0; B[i,j] -> [j] }, "
5980 "{ A[i,j] -> [j]; B[i,j] -> [i] }]",
5981 "{ C[a,b] -> D[b,a] }",
5982 "D[{ A[i,j] -> [j] : i >= 0; B[i,j] -> [i] }, "
5983 "{ A[i,j] -> [i] : i >= 0; B[i,j] -> [j] }]" },
5984 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
5985 "C[{ A[i,j] -> [i]; B[i,j] -> [j] }]",
5986 "[N] -> { C[a] -> D[a + N] }",
5987 "[N] -> D[{ A[i,j] -> [i + N]; B[i,j] -> [j + N] }]" },
5988 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
5989 "C[{ A[i,j] -> [i]; B[i,j] -> [j] }]",
5990 "{ C[a] -> D[a] : a >= 0; C[a] -> D[-a] : a < 0 }",
5991 "D[{ A[i,j] -> [i] : i >= 0; A[i,j] -> [-i] : i < 0; "
5992 "B[i,j] -> [j] : j >= 0; B[i,j] -> [-j] : j < 0 }]" },
5993 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
5994 "C[{ A[i,j] -> [i]; B[i,j] -> [j] }, "
5995 "{ A[i,j] -> [j]; B[i,j] -> [i] }]",
5996 "{ C[a,b] -> D[a,b] : a >= b; C[a,b] -> D[b,a] : a < b }",
5997 "D[{ A[i,j] -> [i] : i >= j; A[i,j] -> [j] : i < j; "
5998 "B[i,j] -> [j] : i <= j; B[i,j] -> [i] : i > j }, "
5999 "{ A[i,j] -> [j] : i >= j; A[i,j] -> [i] : i < j; "
6000 "B[i,j] -> [i] : i <= j; B[i,j] -> [j] : i > j }]" },
6001 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6005 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6006 "[N] -> (C[] : { : N >= 0 })",
6008 "[N] -> (D[] : { : N >= 0 })" },
6009 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6011 "[N] -> { C[] -> D[N] }",
6012 "[N] -> D[{ [N] }]" },
6013 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6014 "(C[] : { A[i,j] : i >= j })",
6016 "(D[] : { A[i,j] : i >= j })" },
6017 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6018 "[N] -> (C[] : { A[i,j] : N >= 0 })",
6020 "[N] -> (D[] : { A[i,j] : N >= 0 })" },
6021 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6022 "(C[] : { A[i,j] : i >= j })",
6023 "[N] -> { C[] -> D[N] }",
6024 "[N] -> (D[{ A[i,j] -> [N] : i >= j }])" },
6025 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6027 "[N] -> { C[] -> D[N] : N >= 0; C[] -> D[-N] : N < 0 }",
6028 "[N] -> D[{ [N] : N >= 0; [-N] : N < 0 }]" },
6029 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6030 "[N] -> (C[] : { : N >= 0 })",
6031 "[N] -> { C[] -> D[N] }",
6032 "[N] -> D[{ [N] : N >= 0 }]" },
6033 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6034 "[N] -> (C[] : { : N >= 0 })",
6035 "[N] -> { C[] -> D[N] : N >= 0; C[] -> D[-N] : N < 0 }",
6036 "[N] -> D[{ [N] : N >= 0 }]" },
6037 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6038 "[N] -> (C[] : { : N >= 0 })",
6040 "[N] -> D[{ [0] : N >= 0 }]" },
6041 { &isl_multi_union_pw_aff_apply_pw_multi_aff
,
6042 "(C[] : { A[i,j] : i >= j })",
6043 "[N] -> { C[] -> D[N] : N >= 0 }",
6044 "[N] -> D[{ A[i,j] -> [N] : i >= j and N >= 0 }]" },
6047 /* Perform some basic tests of binary operations on
6048 * pairs of isl_multi_union_pw_aff and isl_pw_multi_aff objects.
6050 static int test_mupa_pma(isl_ctx
*ctx
)
6054 isl_multi_union_pw_aff
*mupa
, *res
;
6055 isl_pw_multi_aff
*pma
;
6057 for (i
= 0; i
< ARRAY_SIZE(mupa_pma_tests
); ++i
) {
6058 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
,
6059 mupa_pma_tests
[i
].arg1
);
6060 pma
= isl_pw_multi_aff_read_from_str(ctx
,
6061 mupa_pma_tests
[i
].arg2
);
6062 res
= isl_multi_union_pw_aff_read_from_str(ctx
,
6063 mupa_pma_tests
[i
].res
);
6064 mupa
= mupa_pma_tests
[i
].fn(mupa
, pma
);
6065 ok
= isl_multi_union_pw_aff_plain_is_equal(mupa
, res
);
6066 isl_multi_union_pw_aff_free(mupa
);
6067 isl_multi_union_pw_aff_free(res
);
6071 isl_die(ctx
, isl_error_unknown
,
6072 "unexpected result", return -1);
6078 /* Inputs for basic tests of binary operations on
6079 * pairs of isl_multi_union_pw_aff and isl_union_pw_multi_aff objects.
6080 * "fn" is the function that is tested.
6081 * "arg1" and "arg2" are string descriptions of the inputs.
6082 * "res" is a string description of the expected result.
6085 __isl_give isl_multi_union_pw_aff
*(*fn
)(
6086 __isl_take isl_multi_union_pw_aff
*mupa
,
6087 __isl_take isl_union_pw_multi_aff
*upma
);
6091 } mupa_upma_tests
[] = {
6092 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6093 "C[{ B[i,j] -> [i + 2j] }]", "{ A[a,b] -> B[b,a] }",
6094 "C[{ A[a,b] -> [b + 2a] }]" },
6095 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6096 "C[{ B[i,j] -> [i + 2j] }]",
6097 "{ A[a,b] -> B[b,a] : b > a }",
6098 "C[{ A[a,b] -> [b + 2a] : b > a }]" },
6099 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6100 "C[{ B[i,j] -> [i + 2j] : j > 4 }]",
6101 "{ A[a,b] -> B[b,a] : b > a }",
6102 "C[{ A[a,b] -> [b + 2a] : b > a > 4 }]" },
6103 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6104 "C[{ B[i,j] -> [i + 2j] }]",
6105 "{ A[a,b] -> B[b,a] : a > b; A[a,b] -> B[a,b] : a <= b }",
6106 "C[{ A[a,b] -> [b + 2a] : a > b; A[a,b] -> [a + 2b] : a <= b }]" },
6107 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6108 "(C[] : { B[a,b] })",
6109 "{ A[a,b] -> B[b,a] }",
6110 "(C[] : { A[a,b] })" },
6111 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6112 "(C[] : { B[a,b] })",
6113 "{ B[a,b] -> A[b,a] }",
6115 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6116 "(C[] : { B[a,b] })",
6117 "{ A[a,b] -> B[b,a] : a > b }",
6118 "(C[] : { A[a,b] : a > b })" },
6119 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6120 "(C[] : { B[a,b] : a > b })",
6121 "{ A[a,b] -> B[b,a] }",
6122 "(C[] : { A[a,b] : b > a })" },
6123 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6124 "[N] -> (C[] : { B[a,b] : a > N })",
6125 "{ A[a,b] -> B[b,a] : a > b }",
6126 "[N] -> (C[] : { A[a,b] : a > b > N })" },
6127 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6128 "(C[] : { B[a,b] : a > b })",
6129 "[N] -> { A[a,b] -> B[b,a] : a > N }",
6130 "[N] -> (C[] : { A[a,b] : b > a > N })" },
6131 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6133 "{ A[a,b] -> B[b,a] }",
6135 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6136 "[N] -> (C[] : { : N >= 0 })",
6137 "{ A[a,b] -> B[b,a] }",
6138 "[N] -> (C[] : { : N >= 0 })" },
6139 { &isl_multi_union_pw_aff_pullback_union_pw_multi_aff
,
6141 "[N] -> { A[a,b] -> B[b,a] : N >= 0 }",
6142 "[N] -> (C[] : { : N >= 0 })" },
6145 /* Perform some basic tests of binary operations on
6146 * pairs of isl_multi_union_pw_aff and isl_union_pw_multi_aff objects.
6148 static int test_mupa_upma(isl_ctx
*ctx
)
6152 isl_multi_union_pw_aff
*mupa
, *res
;
6153 isl_union_pw_multi_aff
*upma
;
6155 for (i
= 0; i
< ARRAY_SIZE(mupa_upma_tests
); ++i
) {
6156 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
,
6157 mupa_upma_tests
[i
].arg1
);
6158 upma
= isl_union_pw_multi_aff_read_from_str(ctx
,
6159 mupa_upma_tests
[i
].arg2
);
6160 res
= isl_multi_union_pw_aff_read_from_str(ctx
,
6161 mupa_upma_tests
[i
].res
);
6162 mupa
= mupa_upma_tests
[i
].fn(mupa
, upma
);
6163 ok
= isl_multi_union_pw_aff_plain_is_equal(mupa
, res
);
6164 isl_multi_union_pw_aff_free(mupa
);
6165 isl_multi_union_pw_aff_free(res
);
6169 isl_die(ctx
, isl_error_unknown
,
6170 "unexpected result", return -1);
6176 /* Check that the input tuple of an isl_aff can be set properly.
6178 static isl_stat
test_aff_set_tuple_id(isl_ctx
*ctx
)
6184 aff
= isl_aff_read_from_str(ctx
, "{ [x] -> [x + 1] }");
6185 id
= isl_id_alloc(ctx
, "A", NULL
);
6186 aff
= isl_aff_set_tuple_id(aff
, isl_dim_in
, id
);
6187 equal
= aff_check_plain_equal(aff
, "{ A[x] -> [x + 1] }");
6190 return isl_stat_error
;
6195 int test_aff(isl_ctx
*ctx
)
6200 isl_local_space
*ls
;
6204 if (test_upa(ctx
) < 0)
6206 if (test_bin_aff(ctx
) < 0)
6208 if (test_bin_pw_aff(ctx
) < 0)
6210 if (test_bin_upma(ctx
) < 0)
6212 if (test_bin_upma_fail(ctx
) < 0)
6214 if (test_un_mpa(ctx
) < 0)
6216 if (test_bin_mpa(ctx
) < 0)
6218 if (test_un_mupa(ctx
) < 0)
6220 if (test_bin_mupa(ctx
) < 0)
6222 if (test_mupa_set(ctx
) < 0)
6224 if (test_mupa_uset(ctx
) < 0)
6226 if (test_mupa_ma(ctx
) < 0)
6228 if (test_mupa_pa(ctx
) < 0)
6230 if (test_mupa_pma(ctx
) < 0)
6232 if (test_mupa_upma(ctx
) < 0)
6235 space
= isl_space_set_alloc(ctx
, 0, 1);
6236 ls
= isl_local_space_from_space(space
);
6237 aff
= isl_aff_zero_on_domain(ls
);
6239 aff
= isl_aff_add_coefficient_si(aff
, isl_dim_in
, 0, 1);
6240 aff
= isl_aff_scale_down_ui(aff
, 3);
6241 aff
= isl_aff_floor(aff
);
6242 aff
= isl_aff_add_coefficient_si(aff
, isl_dim_in
, 0, 1);
6243 aff
= isl_aff_scale_down_ui(aff
, 2);
6244 aff
= isl_aff_floor(aff
);
6245 aff
= isl_aff_add_coefficient_si(aff
, isl_dim_in
, 0, 1);
6248 set
= isl_set_read_from_str(ctx
, str
);
6249 aff
= isl_aff_gist(aff
, set
);
6251 aff
= isl_aff_add_constant_si(aff
, -16);
6252 zero
= isl_aff_plain_is_zero(aff
);
6258 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6260 aff
= isl_aff_read_from_str(ctx
, "{ [-1] }");
6261 aff
= isl_aff_scale_down_ui(aff
, 64);
6262 aff
= isl_aff_floor(aff
);
6263 equal
= aff_check_plain_equal(aff
, "{ [-1] }");
6268 if (test_aff_set_tuple_id(ctx
) < 0)
6274 /* Check that "pa" consists of a single expression.
6276 static int check_single_piece(isl_ctx
*ctx
, __isl_take isl_pw_aff
*pa
)
6280 n
= isl_pw_aff_n_piece(pa
);
6281 isl_pw_aff_free(pa
);
6286 isl_die(ctx
, isl_error_unknown
, "expecting single expression",
6292 /* Check that the computation below results in a single expression.
6293 * One or two expressions may result depending on which constraint
6294 * ends up being considered as redundant with respect to the other
6295 * constraints after the projection that is performed internally
6296 * by isl_set_dim_min.
6298 static int test_dim_max_1(isl_ctx
*ctx
)
6304 str
= "[n] -> { [a, b] : n >= 0 and 4a >= -4 + n and b >= 0 and "
6305 "-4a <= b <= 3 and b < n - 4a }";
6306 set
= isl_set_read_from_str(ctx
, str
);
6307 pa
= isl_set_dim_min(set
, 0);
6308 return check_single_piece(ctx
, pa
);
6311 /* Check that the computation below results in a single expression.
6312 * The PIP problem corresponding to these constraints has a row
6313 * that causes a split of the solution domain. The solver should
6314 * first pick rows that split off empty parts such that the actual
6315 * solution domain does not get split.
6316 * Note that the description contains some redundant constraints.
6317 * If these constraints get removed first, then the row mentioned
6318 * above does not appear in the PIP problem.
6320 static int test_dim_max_2(isl_ctx
*ctx
)
6326 str
= "[P, N] -> { [a] : a < N and a >= 0 and N > P and a <= P and "
6327 "N > 0 and P >= 0 }";
6328 set
= isl_set_read_from_str(ctx
, str
);
6329 pa
= isl_set_dim_max(set
, 0);
6330 return check_single_piece(ctx
, pa
);
6333 int test_dim_max(isl_ctx
*ctx
)
6337 isl_set
*set1
, *set2
;
6342 if (test_dim_max_1(ctx
) < 0)
6344 if (test_dim_max_2(ctx
) < 0)
6347 str
= "[N] -> { [i] : 0 <= i <= min(N,10) }";
6348 set
= isl_set_read_from_str(ctx
, str
);
6349 pwaff
= isl_set_dim_max(set
, 0);
6350 set1
= isl_set_from_pw_aff(pwaff
);
6351 str
= "[N] -> { [10] : N >= 10; [N] : N <= 9 and N >= 0 }";
6352 set2
= isl_set_read_from_str(ctx
, str
);
6353 equal
= isl_set_is_equal(set1
, set2
);
6359 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6361 str
= "[N] -> { [i] : 0 <= i <= max(2N,N+6) }";
6362 set
= isl_set_read_from_str(ctx
, str
);
6363 pwaff
= isl_set_dim_max(set
, 0);
6364 set1
= isl_set_from_pw_aff(pwaff
);
6365 str
= "[N] -> { [6 + N] : -6 <= N <= 5; [2N] : N >= 6 }";
6366 set2
= isl_set_read_from_str(ctx
, str
);
6367 equal
= isl_set_is_equal(set1
, set2
);
6373 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6375 str
= "[N] -> { [i] : 0 <= i <= 2N or 0 <= i <= N+6 }";
6376 set
= isl_set_read_from_str(ctx
, str
);
6377 pwaff
= isl_set_dim_max(set
, 0);
6378 set1
= isl_set_from_pw_aff(pwaff
);
6379 str
= "[N] -> { [6 + N] : -6 <= N <= 5; [2N] : N >= 6 }";
6380 set2
= isl_set_read_from_str(ctx
, str
);
6381 equal
= isl_set_is_equal(set1
, set2
);
6387 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6389 str
= "[N,M] -> { [i,j] -> [([i/16]), i%16, ([j/16]), j%16] : "
6390 "0 <= i < N and 0 <= j < M }";
6391 map
= isl_map_read_from_str(ctx
, str
);
6392 set
= isl_map_range(map
);
6394 pwaff
= isl_set_dim_max(isl_set_copy(set
), 0);
6395 set1
= isl_set_from_pw_aff(pwaff
);
6396 str
= "[N,M] -> { [([(N-1)/16])] : M,N > 0 }";
6397 set2
= isl_set_read_from_str(ctx
, str
);
6398 equal
= isl_set_is_equal(set1
, set2
);
6402 pwaff
= isl_set_dim_max(isl_set_copy(set
), 3);
6403 set1
= isl_set_from_pw_aff(pwaff
);
6404 str
= "[N,M] -> { [t] : t = min(M-1,15) and M,N > 0 }";
6405 set2
= isl_set_read_from_str(ctx
, str
);
6406 if (equal
>= 0 && equal
)
6407 equal
= isl_set_is_equal(set1
, set2
);
6416 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6418 /* Check that solutions are properly merged. */
6419 str
= "[n] -> { [a, b, c] : c >= -4a - 2b and "
6420 "c <= -1 + n - 4a - 2b and c >= -2b and "
6421 "4a >= -4 + n and c >= 0 }";
6422 set
= isl_set_read_from_str(ctx
, str
);
6423 pwaff
= isl_set_dim_min(set
, 2);
6424 set1
= isl_set_from_pw_aff(pwaff
);
6425 str
= "[n] -> { [(0)] : n >= 1 }";
6426 set2
= isl_set_read_from_str(ctx
, str
);
6427 equal
= isl_set_is_equal(set1
, set2
);
6434 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6436 /* Check that empty solution lie in the right space. */
6437 str
= "[n] -> { [t,a] : 1 = 0 }";
6438 set
= isl_set_read_from_str(ctx
, str
);
6439 pwaff
= isl_set_dim_max(set
, 0);
6440 set1
= isl_set_from_pw_aff(pwaff
);
6441 str
= "[n] -> { [t] : 1 = 0 }";
6442 set2
= isl_set_read_from_str(ctx
, str
);
6443 equal
= isl_set_is_equal(set1
, set2
);
6450 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6455 /* Is "pma" obviously equal to the isl_pw_multi_aff represented by "str"?
6457 static int pw_multi_aff_plain_is_equal(__isl_keep isl_pw_multi_aff
*pma
,
6461 isl_pw_multi_aff
*pma2
;
6467 ctx
= isl_pw_multi_aff_get_ctx(pma
);
6468 pma2
= isl_pw_multi_aff_read_from_str(ctx
, str
);
6469 equal
= isl_pw_multi_aff_plain_is_equal(pma
, pma2
);
6470 isl_pw_multi_aff_free(pma2
);
6475 /* Check that "pma" is obviously equal to the isl_pw_multi_aff
6476 * represented by "str".
6478 static int pw_multi_aff_check_plain_equal(__isl_keep isl_pw_multi_aff
*pma
,
6483 equal
= pw_multi_aff_plain_is_equal(pma
, str
);
6487 isl_die(isl_pw_multi_aff_get_ctx(pma
), isl_error_unknown
,
6488 "result not as expected", return -1);
6492 /* Basic test for isl_pw_multi_aff_product.
6494 * Check that multiple pieces are properly handled.
6496 static int test_product_pma(isl_ctx
*ctx
)
6500 isl_pw_multi_aff
*pma1
, *pma2
;
6502 str
= "{ A[i] -> B[1] : i < 0; A[i] -> B[2] : i >= 0 }";
6503 pma1
= isl_pw_multi_aff_read_from_str(ctx
, str
);
6504 str
= "{ C[] -> D[] }";
6505 pma2
= isl_pw_multi_aff_read_from_str(ctx
, str
);
6506 pma1
= isl_pw_multi_aff_product(pma1
, pma2
);
6507 str
= "{ [A[i] -> C[]] -> [B[(1)] -> D[]] : i < 0;"
6508 "[A[i] -> C[]] -> [B[(2)] -> D[]] : i >= 0 }";
6509 equal
= pw_multi_aff_check_plain_equal(pma1
, str
);
6510 isl_pw_multi_aff_free(pma1
);
6517 int test_product(isl_ctx
*ctx
)
6521 isl_union_set
*uset1
, *uset2
;
6525 set
= isl_set_read_from_str(ctx
, str
);
6526 set
= isl_set_product(set
, isl_set_copy(set
));
6527 ok
= isl_set_is_wrapping(set
);
6532 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6535 uset1
= isl_union_set_read_from_str(ctx
, str
);
6536 uset1
= isl_union_set_product(uset1
, isl_union_set_copy(uset1
));
6537 str
= "{ [[] -> []] }";
6538 uset2
= isl_union_set_read_from_str(ctx
, str
);
6539 ok
= isl_union_set_is_equal(uset1
, uset2
);
6540 isl_union_set_free(uset1
);
6541 isl_union_set_free(uset2
);
6545 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6547 if (test_product_pma(ctx
) < 0)
6553 /* Check that two sets are not considered disjoint just because
6554 * they have a different set of (named) parameters.
6556 static int test_disjoint(isl_ctx
*ctx
)
6559 isl_set
*set
, *set2
;
6562 str
= "[n] -> { [[]->[]] }";
6563 set
= isl_set_read_from_str(ctx
, str
);
6564 str
= "{ [[]->[]] }";
6565 set2
= isl_set_read_from_str(ctx
, str
);
6566 disjoint
= isl_set_is_disjoint(set
, set2
);
6572 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6577 /* Inputs for isl_pw_multi_aff_is_equal tests.
6578 * "f1" and "f2" are the two function that need to be compared.
6579 * "equal" is the expected result.
6585 } pma_equal_tests
[] = {
6586 { 1, "[N] -> { [floor(N/2)] : 0 <= N <= 1 }",
6587 "[N] -> { [0] : 0 <= N <= 1 }" },
6588 { 1, "[N] -> { [floor(N/2)] : 0 <= N <= 2 }",
6589 "[N] -> { [0] : 0 <= N <= 1; [1] : N = 2 }" },
6590 { 0, "[N] -> { [floor(N/2)] : 0 <= N <= 2 }",
6591 "[N] -> { [0] : 0 <= N <= 1 }" },
6592 { 0, "{ [NaN] }", "{ [NaN] }" },
6595 int test_equal(isl_ctx
*ctx
)
6599 isl_set
*set
, *set2
;
6603 set
= isl_set_read_from_str(ctx
, str
);
6605 set2
= isl_set_read_from_str(ctx
, str
);
6606 equal
= isl_set_is_equal(set
, set2
);
6612 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6614 for (i
= 0; i
< ARRAY_SIZE(pma_equal_tests
); ++i
) {
6615 int expected
= pma_equal_tests
[i
].equal
;
6616 isl_pw_multi_aff
*f1
, *f2
;
6618 f1
= isl_pw_multi_aff_read_from_str(ctx
, pma_equal_tests
[i
].f1
);
6619 f2
= isl_pw_multi_aff_read_from_str(ctx
, pma_equal_tests
[i
].f2
);
6620 equal
= isl_pw_multi_aff_is_equal(f1
, f2
);
6621 isl_pw_multi_aff_free(f1
);
6622 isl_pw_multi_aff_free(f2
);
6625 if (equal
!= expected
)
6626 isl_die(ctx
, isl_error_unknown
,
6627 "unexpected equality result", return -1);
6633 static int test_plain_fixed(isl_ctx
*ctx
, __isl_take isl_map
*map
,
6634 enum isl_dim_type type
, unsigned pos
, int fixed
)
6638 test
= isl_map_plain_is_fixed(map
, type
, pos
, NULL
);
6645 isl_die(ctx
, isl_error_unknown
,
6646 "map not detected as fixed", return -1);
6648 isl_die(ctx
, isl_error_unknown
,
6649 "map detected as fixed", return -1);
6652 int test_fixed(isl_ctx
*ctx
)
6657 str
= "{ [i] -> [i] }";
6658 map
= isl_map_read_from_str(ctx
, str
);
6659 if (test_plain_fixed(ctx
, map
, isl_dim_out
, 0, 0))
6661 str
= "{ [i] -> [1] }";
6662 map
= isl_map_read_from_str(ctx
, str
);
6663 if (test_plain_fixed(ctx
, map
, isl_dim_out
, 0, 1))
6665 str
= "{ S_1[p1] -> [o0] : o0 = -2 and p1 >= 1 and p1 <= 7 }";
6666 map
= isl_map_read_from_str(ctx
, str
);
6667 if (test_plain_fixed(ctx
, map
, isl_dim_out
, 0, 1))
6669 map
= isl_map_read_from_str(ctx
, str
);
6670 map
= isl_map_neg(map
);
6671 if (test_plain_fixed(ctx
, map
, isl_dim_out
, 0, 1))
6677 struct isl_vertices_test_data
{
6680 const char *vertex
[6];
6681 } vertices_tests
[] = {
6682 { "{ A[t, i] : t = 12 and i >= 4 and i <= 12 }",
6683 2, { "{ A[12, 4] }", "{ A[12, 12] }" } },
6684 { "{ A[t, i] : t = 14 and i = 1 }",
6685 1, { "{ A[14, 1] }" } },
6686 { "[n, m] -> { [a, b, c] : b <= a and a <= n and b > 0 and c >= b and "
6687 "c <= m and m <= n and m > 0 }",
6689 "[n, m] -> { [n, m, m] : 0 < m <= n }",
6690 "[n, m] -> { [n, 1, m] : 0 < m <= n }",
6691 "[n, m] -> { [n, 1, 1] : 0 < m <= n }",
6692 "[n, m] -> { [m, m, m] : 0 < m <= n }",
6693 "[n, m] -> { [1, 1, m] : 0 < m <= n }",
6694 "[n, m] -> { [1, 1, 1] : 0 < m <= n }"
6698 /* Check that "vertex" corresponds to one of the vertices in data->vertex.
6700 static isl_stat
find_vertex(__isl_take isl_vertex
*vertex
, void *user
)
6702 struct isl_vertices_test_data
*data
= user
;
6705 isl_basic_set
*bset
;
6706 isl_pw_multi_aff
*pma
;
6710 ctx
= isl_vertex_get_ctx(vertex
);
6711 bset
= isl_vertex_get_domain(vertex
);
6712 ma
= isl_vertex_get_expr(vertex
);
6713 pma
= isl_pw_multi_aff_alloc(isl_set_from_basic_set(bset
), ma
);
6715 for (i
= 0; i
< data
->n
; ++i
) {
6716 isl_pw_multi_aff
*pma_i
;
6718 pma_i
= isl_pw_multi_aff_read_from_str(ctx
, data
->vertex
[i
]);
6719 equal
= isl_pw_multi_aff_plain_is_equal(pma
, pma_i
);
6720 isl_pw_multi_aff_free(pma_i
);
6722 if (equal
< 0 || equal
)
6726 isl_pw_multi_aff_free(pma
);
6727 isl_vertex_free(vertex
);
6730 return isl_stat_error
;
6732 return equal
? isl_stat_ok
: isl_stat_error
;
6735 int test_vertices(isl_ctx
*ctx
)
6739 for (i
= 0; i
< ARRAY_SIZE(vertices_tests
); ++i
) {
6740 isl_basic_set
*bset
;
6741 isl_vertices
*vertices
;
6745 bset
= isl_basic_set_read_from_str(ctx
, vertices_tests
[i
].set
);
6746 vertices
= isl_basic_set_compute_vertices(bset
);
6747 n
= isl_vertices_get_n_vertices(vertices
);
6748 if (vertices_tests
[i
].n
!= n
)
6750 if (isl_vertices_foreach_vertex(vertices
, &find_vertex
,
6751 &vertices_tests
[i
]) < 0)
6753 isl_vertices_free(vertices
);
6754 isl_basic_set_free(bset
);
6759 isl_die(ctx
, isl_error_unknown
, "unexpected vertices",
6766 int test_union_pw(isl_ctx
*ctx
)
6770 isl_union_set
*uset
;
6771 isl_union_pw_qpolynomial
*upwqp1
, *upwqp2
;
6773 str
= "{ [x] -> x^2 }";
6774 upwqp1
= isl_union_pw_qpolynomial_read_from_str(ctx
, str
);
6775 upwqp2
= isl_union_pw_qpolynomial_copy(upwqp1
);
6776 uset
= isl_union_pw_qpolynomial_domain(upwqp1
);
6777 upwqp1
= isl_union_pw_qpolynomial_copy(upwqp2
);
6778 upwqp1
= isl_union_pw_qpolynomial_intersect_domain(upwqp1
, uset
);
6779 equal
= isl_union_pw_qpolynomial_plain_is_equal(upwqp1
, upwqp2
);
6780 isl_union_pw_qpolynomial_free(upwqp1
);
6781 isl_union_pw_qpolynomial_free(upwqp2
);
6785 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
6790 /* Inputs for basic tests of functions that select
6791 * subparts of the domain of an isl_multi_union_pw_aff.
6792 * "fn" is the function that is tested.
6793 * "arg" is a string description of the input.
6794 * "res" is a string description of the expected result.
6797 __isl_give isl_union_set
*(*fn
)(
6798 __isl_take isl_multi_union_pw_aff
*mupa
);
6801 } un_locus_tests
[] = {
6802 { &isl_multi_union_pw_aff_zero_union_set
,
6803 "F[{ A[i,j] -> [i]; B[i,j] -> [i] }]",
6804 "{ A[0,j]; B[0,j] }" },
6805 { &isl_multi_union_pw_aff_zero_union_set
,
6806 "F[{ A[i,j] -> [i-j]; B[i,j] -> [i-j] : i >= 0 }]",
6807 "{ A[i,i]; B[i,i] : i >= 0 }" },
6808 { &isl_multi_union_pw_aff_zero_union_set
,
6809 "(F[] : { A[i,j]; B[i,i] : i >= 0 })",
6810 "{ A[i,j]; B[i,i] : i >= 0 }" },
6813 /* Perform some basic tests of functions that select
6814 * subparts of the domain of an isl_multi_union_pw_aff.
6816 static int test_un_locus(isl_ctx
*ctx
)
6820 isl_union_set
*uset
, *res
;
6821 isl_multi_union_pw_aff
*mupa
;
6823 for (i
= 0; i
< ARRAY_SIZE(un_locus_tests
); ++i
) {
6824 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
,
6825 un_locus_tests
[i
].arg
);
6826 res
= isl_union_set_read_from_str(ctx
, un_locus_tests
[i
].res
);
6827 uset
= un_locus_tests
[i
].fn(mupa
);
6828 ok
= isl_union_set_is_equal(uset
, res
);
6829 isl_union_set_free(uset
);
6830 isl_union_set_free(res
);
6834 isl_die(ctx
, isl_error_unknown
,
6835 "unexpected result", return -1);
6841 /* Inputs for basic tests of functions that select
6842 * subparts of an isl_union_map based on a relation
6843 * specified by an isl_multi_union_pw_aff.
6844 * "fn" is the function that is tested.
6845 * "arg1" and "arg2" are string descriptions of the inputs.
6846 * "res" is a string description of the expected result.
6849 __isl_give isl_union_map
*(*fn
)(
6850 __isl_take isl_union_map
*umap
,
6851 __isl_take isl_multi_union_pw_aff
*mupa
);
6855 } bin_locus_tests
[] = {
6856 { &isl_union_map_eq_at_multi_union_pw_aff
,
6857 "{ A[i,j] -> B[i',j'] }",
6858 "F[{ A[i,j] -> [i]; B[i,j] -> [i] }]",
6859 "{ A[i,j] -> B[i,j'] }" },
6860 { &isl_union_map_eq_at_multi_union_pw_aff
,
6861 "{ A[i,j] -> B[i',j'] }",
6862 "F[{ A[i,j] -> [i]; B[i,j] -> [i] }, "
6863 "{ A[i,j] -> [j]; B[i,j] -> [j] }]",
6864 "{ A[i,j] -> B[i,j] }" },
6865 { &isl_union_map_eq_at_multi_union_pw_aff
,
6866 "{ A[i,j] -> B[i',j']; A[i,j] -> C[i',j'] }",
6867 "F[{ A[i,j] -> [i]; B[i,j] -> [i] }]",
6868 "{ A[i,j] -> B[i,j'] }" },
6869 { &isl_union_map_eq_at_multi_union_pw_aff
,
6870 "{ A[i,j] -> B[i',j']; A[i,j] -> C[i',j'] }",
6871 "F[{ A[i,j] -> [i]; B[i,j] -> [i]; C[i,j] -> [0] }]",
6872 "{ A[i,j] -> B[i,j']; A[0,j] -> C[i',j'] }" },
6873 { &isl_union_map_eq_at_multi_union_pw_aff
,
6874 "{ A[i,j] -> B[i',j'] }",
6875 "F[{ A[i,j] -> [i] : i > j; B[i,j] -> [i] }]",
6876 "{ A[i,j] -> B[i,j'] : i > j }" },
6877 { &isl_union_map_lex_lt_at_multi_union_pw_aff
,
6878 "{ A[i,j] -> B[i',j'] }",
6879 "F[{ A[i,j] -> [i]; B[i,j] -> [i] }, "
6880 "{ A[i,j] -> [j]; B[i,j] -> [j] }]",
6881 "{ A[i,j] -> B[i',j'] : i,j << i',j' }" },
6882 { &isl_union_map_lex_gt_at_multi_union_pw_aff
,
6883 "{ A[i,j] -> B[i',j'] }",
6884 "F[{ A[i,j] -> [i]; B[i,j] -> [i] }, "
6885 "{ A[i,j] -> [j]; B[i,j] -> [j] }]",
6886 "{ A[i,j] -> B[i',j'] : i,j >> i',j' }" },
6887 { &isl_union_map_eq_at_multi_union_pw_aff
,
6888 "{ A[i,j] -> B[i',j']; A[i,j] -> C[i',j'] }",
6889 "(F[] : { A[i,j]; B[i,j] })",
6890 "{ A[i,j] -> B[i',j'] }" },
6891 { &isl_union_map_eq_at_multi_union_pw_aff
,
6892 "{ A[i,j] -> B[i',j'] }",
6893 "(F[] : { A[i,j] : i > j; B[i,j] : i < j })",
6894 "{ A[i,j] -> B[i',j'] : i > j and i' < j' }" },
6895 { &isl_union_map_eq_at_multi_union_pw_aff
,
6896 "[N] -> { A[i,j] -> B[i',j'] : i,i' <= N }",
6897 "(F[] : { A[i,j] : i > j; B[i,j] : i < j })",
6898 "[N] -> { A[i,j] -> B[i',j'] : i > j and i' < j' and i,i' <= N }" },
6899 { &isl_union_map_eq_at_multi_union_pw_aff
,
6900 "{ A[i,j] -> B[i',j'] }",
6901 "[N] -> (F[] : { A[i,j] : i < N; B[i,j] : i < N })",
6902 "[N] -> { A[i,j] -> B[i',j'] : i,i' < N }" },
6903 { &isl_union_map_eq_at_multi_union_pw_aff
,
6904 "{ A[i,j] -> B[i',j'] }",
6905 "[N] -> (F[] : { : N >= 0 })",
6906 "[N] -> { A[i,j] -> B[i',j'] : N >= 0 }" },
6909 /* Perform some basic tests of functions that select
6910 * subparts of an isl_union_map based on a relation
6911 * specified by an isl_multi_union_pw_aff.
6913 static int test_bin_locus(isl_ctx
*ctx
)
6917 isl_union_map
*umap
, *res
;
6918 isl_multi_union_pw_aff
*mupa
;
6920 for (i
= 0; i
< ARRAY_SIZE(bin_locus_tests
); ++i
) {
6921 umap
= isl_union_map_read_from_str(ctx
,
6922 bin_locus_tests
[i
].arg1
);
6923 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
,
6924 bin_locus_tests
[i
].arg2
);
6925 res
= isl_union_map_read_from_str(ctx
, bin_locus_tests
[i
].res
);
6926 umap
= bin_locus_tests
[i
].fn(umap
, mupa
);
6927 ok
= isl_union_map_is_equal(umap
, res
);
6928 isl_union_map_free(umap
);
6929 isl_union_map_free(res
);
6933 isl_die(ctx
, isl_error_unknown
,
6934 "unexpected result", return -1);
6940 /* Perform basic locus tests.
6942 static int test_locus(isl_ctx
*ctx
)
6944 if (test_un_locus(ctx
) < 0)
6946 if (test_bin_locus(ctx
) < 0)
6951 /* Test that isl_union_pw_qpolynomial_eval picks up the function
6952 * defined over the correct domain space.
6954 static int test_eval_1(isl_ctx
*ctx
)
6959 isl_union_pw_qpolynomial
*upwqp
;
6963 str
= "{ A[x] -> x^2; B[x] -> -x^2 }";
6964 upwqp
= isl_union_pw_qpolynomial_read_from_str(ctx
, str
);
6966 set
= isl_set_read_from_str(ctx
, str
);
6967 pnt
= isl_set_sample_point(set
);
6968 v
= isl_union_pw_qpolynomial_eval(upwqp
, pnt
);
6969 cmp
= isl_val_cmp_si(v
, 36);
6975 isl_die(ctx
, isl_error_unknown
, "unexpected value", return -1);
6980 /* Check that isl_qpolynomial_eval handles getting called on a void point.
6982 static int test_eval_2(isl_ctx
*ctx
)
6987 isl_qpolynomial
*qp
;
6991 str
= "{ A[x] -> [x] }";
6992 qp
= isl_qpolynomial_from_aff(isl_aff_read_from_str(ctx
, str
));
6993 str
= "{ A[x] : false }";
6994 set
= isl_set_read_from_str(ctx
, str
);
6995 pnt
= isl_set_sample_point(set
);
6996 v
= isl_qpolynomial_eval(qp
, pnt
);
6997 ok
= isl_val_is_nan(v
);
7003 isl_die(ctx
, isl_error_unknown
, "expecting NaN", return -1);
7008 /* Inputs for isl_pw_aff_eval test.
7009 * "f" is the affine function.
7010 * "p" is the point where the function should be evaluated.
7011 * "res" is the expected result.
7017 } aff_eval_tests
[] = {
7018 { "{ [i] -> [2 * i] }", "{ [4] }", "8" },
7019 { "{ [i] -> [2 * i] }", "{ [x] : false }", "NaN" },
7020 { "{ [i] -> [i + floor(i/2) + floor(i/3)] }", "{ [0] }", "0" },
7021 { "{ [i] -> [i + floor(i/2) + floor(i/3)] }", "{ [1] }", "1" },
7022 { "{ [i] -> [i + floor(i/2) + floor(i/3)] }", "{ [2] }", "3" },
7023 { "{ [i] -> [i + floor(i/2) + floor(i/3)] }", "{ [3] }", "5" },
7024 { "{ [i] -> [i + floor(i/2) + floor(i/3)] }", "{ [4] }", "7" },
7025 { "{ [i] -> [floor((3 * floor(i/2))/5)] }", "{ [0] }", "0" },
7026 { "{ [i] -> [floor((3 * floor(i/2))/5)] }", "{ [1] }", "0" },
7027 { "{ [i] -> [floor((3 * floor(i/2))/5)] }", "{ [2] }", "0" },
7028 { "{ [i] -> [floor((3 * floor(i/2))/5)] }", "{ [3] }", "0" },
7029 { "{ [i] -> [floor((3 * floor(i/2))/5)] }", "{ [4] }", "1" },
7030 { "{ [i] -> [floor((3 * floor(i/2))/5)] }", "{ [6] }", "1" },
7031 { "{ [i] -> [floor((3 * floor(i/2))/5)] }", "{ [8] }", "2" },
7032 { "{ [i] -> [i] : i > 0; [i] -> [-i] : i < 0 }", "{ [4] }", "4" },
7033 { "{ [i] -> [i] : i > 0; [i] -> [-i] : i < 0 }", "{ [-2] }", "2" },
7034 { "{ [i] -> [i] : i > 0; [i] -> [-i] : i < 0 }", "{ [0] }", "NaN" },
7035 { "[N] -> { [2 * N] }", "[N] -> { : N = 4 }", "8" },
7036 { "{ [i, j] -> [(i + j)/2] }", "{ [1, 1] }", "1" },
7037 { "{ [i, j] -> [(i + j)/2] }", "{ [1, 2] }", "3/2" },
7038 { "{ [i] -> [i] : i mod 2 = 0 }", "{ [4] }", "4" },
7039 { "{ [i] -> [i] : i mod 2 = 0 }", "{ [3] }", "NaN" },
7040 { "{ [i] -> [i] : i mod 2 = 0 }", "{ [x] : false }", "NaN" },
7043 /* Perform basic isl_pw_aff_eval tests.
7045 static int test_eval_aff(isl_ctx
*ctx
)
7049 for (i
= 0; i
< ARRAY_SIZE(aff_eval_tests
); ++i
) {
7056 pa
= isl_pw_aff_read_from_str(ctx
, aff_eval_tests
[i
].f
);
7057 set
= isl_set_read_from_str(ctx
, aff_eval_tests
[i
].p
);
7058 pnt
= isl_set_sample_point(set
);
7059 v
= isl_pw_aff_eval(pa
, pnt
);
7060 r
= val_check_equal(v
, aff_eval_tests
[i
].res
);
7068 /* Perform basic evaluation tests.
7070 static int test_eval(isl_ctx
*ctx
)
7072 if (test_eval_1(ctx
) < 0)
7074 if (test_eval_2(ctx
) < 0)
7076 if (test_eval_aff(ctx
) < 0)
7081 /* Descriptions of sets that are tested for reparsing after printing.
7083 const char *output_tests
[] = {
7084 "{ [1, y] : 0 <= y <= 1; [x, -x] : 0 <= x <= 1 }",
7087 "{ [x] : x mod 2 = 0 }",
7088 "{ [x] : x mod 2 = 1 }",
7089 "{ [x, y] : x mod 2 = 0 and 3*floor(y/2) < x }",
7090 "{ [y, x] : x mod 2 = 0 and 3*floor(y/2) < x }",
7091 "{ [x, y] : x mod 2 = 0 and 3*floor(y/2) = x + y }",
7092 "{ [y, x] : x mod 2 = 0 and 3*floor(y/2) = x + y }",
7093 "[n] -> { [y, x] : 2*((x + 2y) mod 3) = n }",
7094 "{ [x, y] : (2*floor(x/3) + 3*floor(y/4)) mod 5 = x }",
7097 /* Check that printing a set and reparsing a set from the printed output
7098 * results in the same set.
7100 static int test_output_set(isl_ctx
*ctx
)
7104 isl_set
*set1
, *set2
;
7107 for (i
= 0; i
< ARRAY_SIZE(output_tests
); ++i
) {
7108 set1
= isl_set_read_from_str(ctx
, output_tests
[i
]);
7109 str
= isl_set_to_str(set1
);
7110 set2
= isl_set_read_from_str(ctx
, str
);
7112 equal
= isl_set_is_equal(set1
, set2
);
7118 isl_die(ctx
, isl_error_unknown
,
7119 "parsed output not the same", return -1);
7125 /* Check that an isl_multi_aff is printed using a consistent space.
7127 static isl_stat
test_output_ma(isl_ctx
*ctx
)
7132 isl_multi_aff
*ma
, *ma2
;
7134 ma
= isl_multi_aff_read_from_str(ctx
, "{ [a, b] -> [a + b] }");
7135 aff
= isl_aff_read_from_str(ctx
, "{ [c, d] -> [c + d] }");
7136 ma
= isl_multi_aff_set_aff(ma
, 0, aff
);
7137 str
= isl_multi_aff_to_str(ma
);
7138 ma2
= isl_multi_aff_read_from_str(ctx
, str
);
7140 equal
= isl_multi_aff_plain_is_equal(ma
, ma2
);
7141 isl_multi_aff_free(ma2
);
7142 isl_multi_aff_free(ma
);
7145 return isl_stat_error
;
7147 isl_die(ctx
, isl_error_unknown
, "bad conversion",
7148 return isl_stat_error
);
7153 /* Check that an isl_multi_pw_aff is printed using a consistent space.
7155 static isl_stat
test_output_mpa(isl_ctx
*ctx
)
7160 isl_multi_pw_aff
*mpa
, *mpa2
;
7162 mpa
= isl_multi_pw_aff_read_from_str(ctx
, "{ [a, b] -> [a + b] }");
7163 pa
= isl_pw_aff_read_from_str(ctx
, "{ [c, d] -> [c + d] }");
7164 mpa
= isl_multi_pw_aff_set_pw_aff(mpa
, 0, pa
);
7165 str
= isl_multi_pw_aff_to_str(mpa
);
7166 mpa2
= isl_multi_pw_aff_read_from_str(ctx
, str
);
7168 equal
= isl_multi_pw_aff_plain_is_equal(mpa
, mpa2
);
7169 isl_multi_pw_aff_free(mpa2
);
7170 isl_multi_pw_aff_free(mpa
);
7173 return isl_stat_error
;
7175 isl_die(ctx
, isl_error_unknown
, "bad conversion",
7176 return isl_stat_error
);
7181 int test_output(isl_ctx
*ctx
)
7189 if (test_output_set(ctx
) < 0)
7191 if (test_output_ma(ctx
) < 0)
7193 if (test_output_mpa(ctx
) < 0)
7196 str
= "[x] -> { [1] : x % 4 <= 2; [2] : x = 3 }";
7197 pa
= isl_pw_aff_read_from_str(ctx
, str
);
7199 p
= isl_printer_to_str(ctx
);
7200 p
= isl_printer_set_output_format(p
, ISL_FORMAT_C
);
7201 p
= isl_printer_print_pw_aff(p
, pa
);
7202 s
= isl_printer_get_str(p
);
7203 isl_printer_free(p
);
7204 isl_pw_aff_free(pa
);
7208 equal
= !strcmp(s
, "4 * floord(x, 4) + 2 >= x ? 1 : 2");
7213 isl_die(ctx
, isl_error_unknown
, "unexpected result", return -1);
7218 int test_sample(isl_ctx
*ctx
)
7221 isl_basic_set
*bset1
, *bset2
;
7224 str
= "{ [a, b, c, d, e, f, g, h, i, j, k] : "
7225 "3i >= 1073741823b - c - 1073741823e + f and c >= 0 and "
7226 "3i >= -1 + 3221225466b + c + d - 3221225466e - f and "
7227 "2e >= a - b and 3e <= 2a and 3k <= -a and f <= -1 + a and "
7228 "3i <= 4 - a + 4b + 2c - e - 2f and 3k <= -a + c - f and "
7229 "3h >= -2 + a and 3g >= -3 - a and 3k >= -2 - a and "
7230 "3i >= -2 - a - 2c + 3e + 2f and 3h <= a + c - f and "
7231 "3h >= a + 2147483646b + 2c - 2147483646e - 2f and "
7232 "3g <= -1 - a and 3i <= 1 + c + d - f and a <= 1073741823 and "
7233 "f >= 1 - a + 1073741822b + c + d - 1073741822e and "
7234 "3i >= 1 + 2b - 2c + e + 2f + 3g and "
7235 "1073741822f <= 1073741822 - a + 1073741821b + 1073741822c +"
7236 "d - 1073741821e and "
7237 "3j <= 3 - a + 3b and 3g <= -2 - 2b + c + d - e - f and "
7238 "3j >= 1 - a + b + 2e and "
7239 "3f >= -3 + a + 3221225462b + 3c + d - 3221225465e and "
7240 "3i <= 4 - a + 4b - e and "
7241 "f <= 1073741822 + 1073741822b - 1073741822e and 3h <= a and "
7242 "f >= 0 and 2e <= 4 - a + 5b - d and 2e <= a - b + d and "
7243 "c <= -1 + a and 3i >= -2 - a + 3e and "
7244 "1073741822e <= 1073741823 - a + 1073741822b + c and "
7245 "3g >= -4 + 3221225464b + 3c + d - 3221225467e - 3f and "
7246 "3i >= -1 + 3221225466b + 3c + d - 3221225466e - 3f and "
7247 "1073741823e >= 1 + 1073741823b - d and "
7248 "3i >= 1073741823b + c - 1073741823e - f and "
7249 "3i >= 1 + 2b + e + 3g }";
7250 bset1
= isl_basic_set_read_from_str(ctx
, str
);
7251 bset2
= isl_basic_set_sample(isl_basic_set_copy(bset1
));
7252 empty
= isl_basic_set_is_empty(bset2
);
7253 subset
= isl_basic_set_is_subset(bset2
, bset1
);
7254 isl_basic_set_free(bset1
);
7255 isl_basic_set_free(bset2
);
7256 if (empty
< 0 || subset
< 0)
7259 isl_die(ctx
, isl_error_unknown
, "point not found", return -1);
7261 isl_die(ctx
, isl_error_unknown
, "bad point found", return -1);
7266 int test_fixed_power(isl_ctx
*ctx
)
7273 str
= "{ [i] -> [i + 1] }";
7274 map
= isl_map_read_from_str(ctx
, str
);
7275 exp
= isl_val_int_from_si(ctx
, 23);
7276 map
= isl_map_fixed_power_val(map
, exp
);
7277 equal
= map_check_equal(map
, "{ [i] -> [i + 23] }");
7285 int test_slice(isl_ctx
*ctx
)
7291 str
= "{ [i] -> [j] }";
7292 map
= isl_map_read_from_str(ctx
, str
);
7293 map
= isl_map_equate(map
, isl_dim_in
, 0, isl_dim_out
, 0);
7294 equal
= map_check_equal(map
, "{ [i] -> [i] }");
7299 str
= "{ [i] -> [j] }";
7300 map
= isl_map_read_from_str(ctx
, str
);
7301 map
= isl_map_equate(map
, isl_dim_in
, 0, isl_dim_in
, 0);
7302 equal
= map_check_equal(map
, "{ [i] -> [j] }");
7307 str
= "{ [i] -> [j] }";
7308 map
= isl_map_read_from_str(ctx
, str
);
7309 map
= isl_map_oppose(map
, isl_dim_in
, 0, isl_dim_out
, 0);
7310 equal
= map_check_equal(map
, "{ [i] -> [-i] }");
7315 str
= "{ [i] -> [j] }";
7316 map
= isl_map_read_from_str(ctx
, str
);
7317 map
= isl_map_oppose(map
, isl_dim_in
, 0, isl_dim_in
, 0);
7318 equal
= map_check_equal(map
, "{ [0] -> [j] }");
7323 str
= "{ [i] -> [j] }";
7324 map
= isl_map_read_from_str(ctx
, str
);
7325 map
= isl_map_order_gt(map
, isl_dim_in
, 0, isl_dim_out
, 0);
7326 equal
= map_check_equal(map
, "{ [i] -> [j] : i > j }");
7331 str
= "{ [i] -> [j] }";
7332 map
= isl_map_read_from_str(ctx
, str
);
7333 map
= isl_map_order_gt(map
, isl_dim_in
, 0, isl_dim_in
, 0);
7334 equal
= map_check_equal(map
, "{ [i] -> [j] : false }");
7342 int test_eliminate(isl_ctx
*ctx
)
7348 str
= "{ [i] -> [j] : i = 2j }";
7349 map
= isl_map_read_from_str(ctx
, str
);
7350 map
= isl_map_eliminate(map
, isl_dim_out
, 0, 1);
7351 equal
= map_check_equal(map
, "{ [i] -> [j] : exists a : i = 2a }");
7359 /* Check that isl_set_dim_residue_class detects that the values of j
7360 * in the set below are all odd and that it does not detect any spurious
7363 static int test_residue_class(isl_ctx
*ctx
)
7370 str
= "{ [i,j] : j = 4 i + 1 and 0 <= i <= 100; "
7371 "[i,j] : j = 4 i + 3 and 500 <= i <= 600 }";
7372 set
= isl_set_read_from_str(ctx
, str
);
7375 res
= isl_set_dim_residue_class(set
, 1, &m
, &r
);
7377 (isl_int_cmp_si(m
, 2) != 0 || isl_int_cmp_si(r
, 1) != 0))
7378 isl_die(ctx
, isl_error_unknown
, "incorrect residue class",
7379 res
= isl_stat_error
);
7387 static int test_align_parameters_1(isl_ctx
*ctx
)
7391 isl_multi_aff
*ma1
, *ma2
;
7394 str
= "{ A[B[] -> C[]] -> D[E[] -> F[]] }";
7395 ma1
= isl_multi_aff_read_from_str(ctx
, str
);
7397 space
= isl_space_params_alloc(ctx
, 1);
7398 space
= isl_space_set_dim_name(space
, isl_dim_param
, 0, "N");
7399 ma1
= isl_multi_aff_align_params(ma1
, space
);
7401 str
= "[N] -> { A[B[] -> C[]] -> D[E[] -> F[]] }";
7402 ma2
= isl_multi_aff_read_from_str(ctx
, str
);
7404 equal
= isl_multi_aff_plain_is_equal(ma1
, ma2
);
7406 isl_multi_aff_free(ma1
);
7407 isl_multi_aff_free(ma2
);
7412 isl_die(ctx
, isl_error_unknown
,
7413 "result not as expected", return -1);
7418 /* Check the isl_multi_*_from_*_list operation in case inputs
7419 * have unaligned parameters.
7420 * In particular, older versions of isl would simply fail
7421 * (without printing any error message).
7423 static isl_stat
test_align_parameters_2(isl_ctx
*ctx
)
7430 map
= isl_map_read_from_str(ctx
, "{ A[] -> M[x] }");
7431 space
= isl_map_get_space(map
);
7434 aff
= isl_aff_read_from_str(ctx
, "[N] -> { A[] -> [N] }");
7435 ma
= isl_multi_aff_from_aff_list(space
, isl_aff_list_from_aff(aff
));
7436 isl_multi_aff_free(ma
);
7439 return isl_stat_error
;
7443 /* Perform basic parameter alignment tests.
7445 static int test_align_parameters(isl_ctx
*ctx
)
7447 if (test_align_parameters_1(ctx
) < 0)
7449 if (test_align_parameters_2(ctx
) < 0)
7455 /* Check that isl_*_drop_unused_params actually drops the unused parameters
7456 * by comparing the result using isl_*_plain_is_equal.
7457 * Note that this assumes that isl_*_plain_is_equal does not consider
7458 * objects that only differ by unused parameters to be equal.
7460 int test_drop_unused_parameters(isl_ctx
*ctx
)
7462 const char *str_with
, *str_without
;
7463 isl_basic_set
*bset1
, *bset2
;
7464 isl_set
*set1
, *set2
;
7465 isl_pw_aff
*pwa1
, *pwa2
;
7468 str_with
= "[n, m, o] -> { [m] }";
7469 str_without
= "[m] -> { [m] }";
7471 bset1
= isl_basic_set_read_from_str(ctx
, str_with
);
7472 bset2
= isl_basic_set_read_from_str(ctx
, str_without
);
7473 bset1
= isl_basic_set_drop_unused_params(bset1
);
7474 equal
= isl_basic_set_plain_is_equal(bset1
, bset2
);
7475 isl_basic_set_free(bset1
);
7476 isl_basic_set_free(bset2
);
7481 isl_die(ctx
, isl_error_unknown
,
7482 "result not as expected", return -1);
7484 set1
= isl_set_read_from_str(ctx
, str_with
);
7485 set2
= isl_set_read_from_str(ctx
, str_without
);
7486 set1
= isl_set_drop_unused_params(set1
);
7487 equal
= isl_set_plain_is_equal(set1
, set2
);
7494 isl_die(ctx
, isl_error_unknown
,
7495 "result not as expected", return -1);
7497 pwa1
= isl_pw_aff_read_from_str(ctx
, str_with
);
7498 pwa2
= isl_pw_aff_read_from_str(ctx
, str_without
);
7499 pwa1
= isl_pw_aff_drop_unused_params(pwa1
);
7500 equal
= isl_pw_aff_plain_is_equal(pwa1
, pwa2
);
7501 isl_pw_aff_free(pwa1
);
7502 isl_pw_aff_free(pwa2
);
7507 isl_die(ctx
, isl_error_unknown
,
7508 "result not as expected", return -1);
7513 static int test_list(isl_ctx
*ctx
)
7515 isl_id
*a
, *b
, *c
, *d
, *id
;
7520 a
= isl_id_alloc(ctx
, "a", NULL
);
7521 b
= isl_id_alloc(ctx
, "b", NULL
);
7522 c
= isl_id_alloc(ctx
, "c", NULL
);
7523 d
= isl_id_alloc(ctx
, "d", NULL
);
7525 list
= isl_id_list_alloc(ctx
, 4);
7526 list
= isl_id_list_add(list
, b
);
7527 list
= isl_id_list_insert(list
, 0, a
);
7528 list
= isl_id_list_add(list
, c
);
7529 list
= isl_id_list_add(list
, d
);
7530 list
= isl_id_list_drop(list
, 1, 1);
7532 n
= isl_id_list_n_id(list
);
7536 isl_id_list_free(list
);
7537 isl_die(ctx
, isl_error_unknown
,
7538 "unexpected number of elements in list", return -1);
7541 id
= isl_id_list_get_id(list
, 0);
7544 id
= isl_id_list_get_id(list
, 1);
7547 id
= isl_id_list_get_id(list
, 2);
7551 isl_id_list_free(list
);
7554 isl_die(ctx
, isl_error_unknown
,
7555 "unexpected elements in list", return -1);
7560 const char *set_conversion_tests
[] = {
7561 "[N] -> { [i] : N - 1 <= 2 i <= N }",
7562 "[N] -> { [i] : exists a : i = 4 a and N - 1 <= i <= N }",
7563 "[N] -> { [i,j] : exists a : i = 4 a and N - 1 <= i, 2j <= N }",
7564 "[N] -> { [[i]->[j]] : exists a : i = 4 a and N - 1 <= i, 2j <= N }",
7565 "[N] -> { [3*floor(N/2) + 5*floor(N/3)] }",
7566 "[a, b] -> { [c, d] : (4*floor((-a + c)/4) = -a + c and "
7567 "32*floor((-b + d)/32) = -b + d and 5 <= c <= 8 and "
7568 "-3 + c <= d <= 28 + c) }",
7571 /* Check that converting from isl_set to isl_pw_multi_aff and back
7572 * to isl_set produces the original isl_set.
7574 static int test_set_conversion(isl_ctx
*ctx
)
7578 isl_set
*set1
, *set2
;
7579 isl_pw_multi_aff
*pma
;
7582 for (i
= 0; i
< ARRAY_SIZE(set_conversion_tests
); ++i
) {
7583 str
= set_conversion_tests
[i
];
7584 set1
= isl_set_read_from_str(ctx
, str
);
7585 pma
= isl_pw_multi_aff_from_set(isl_set_copy(set1
));
7586 set2
= isl_set_from_pw_multi_aff(pma
);
7587 equal
= isl_set_is_equal(set1
, set2
);
7594 isl_die(ctx
, isl_error_unknown
, "bad conversion",
7601 const char *conversion_tests
[] = {
7602 "{ [a, b, c, d] -> s0[a, b, e, f] : "
7603 "exists (e0 = [(a - 2c)/3], e1 = [(-4 + b - 5d)/9], "
7604 "e2 = [(-d + f)/9]: 3e0 = a - 2c and 9e1 = -4 + b - 5d and "
7605 "9e2 = -d + f and f >= 0 and f <= 8 and 9e >= -5 - 2a and "
7607 "{ [a, b] -> [c] : exists (e0 = floor((-a - b + c)/5): "
7608 "5e0 = -a - b + c and c >= -a and c <= 4 - a) }",
7609 "{ [a, b] -> [c] : exists d : 18 * d = -3 - a + 2c and 1 <= c <= 3 }",
7612 /* Check that converting from isl_map to isl_pw_multi_aff and back
7613 * to isl_map produces the original isl_map.
7615 static int test_map_conversion(isl_ctx
*ctx
)
7618 isl_map
*map1
, *map2
;
7619 isl_pw_multi_aff
*pma
;
7622 for (i
= 0; i
< ARRAY_SIZE(conversion_tests
); ++i
) {
7623 map1
= isl_map_read_from_str(ctx
, conversion_tests
[i
]);
7624 pma
= isl_pw_multi_aff_from_map(isl_map_copy(map1
));
7625 map2
= isl_map_from_pw_multi_aff(pma
);
7626 equal
= isl_map_is_equal(map1
, map2
);
7633 isl_die(ctx
, isl_error_unknown
, "bad conversion",
7640 /* Descriptions of isl_pw_multi_aff objects for testing conversion
7641 * to isl_multi_pw_aff and back.
7643 const char *mpa_conversion_tests
[] = {
7645 "{ [x] -> A[x] : x >= 0 }",
7646 "{ [x] -> A[x] : x >= 0; [x] -> A[-x] : x < 0 }",
7647 "{ [x] -> A[x, x + 1] }",
7649 "{ [x] -> A[] : x >= 0 }",
7652 /* Check that conversion from isl_pw_multi_aff to isl_multi_pw_aff and
7653 * back to isl_pw_multi_aff preserves the original meaning.
7655 static int test_mpa_conversion(isl_ctx
*ctx
)
7658 isl_pw_multi_aff
*pma1
, *pma2
;
7659 isl_multi_pw_aff
*mpa
;
7662 for (i
= 0; i
< ARRAY_SIZE(mpa_conversion_tests
); ++i
) {
7664 str
= mpa_conversion_tests
[i
];
7665 pma1
= isl_pw_multi_aff_read_from_str(ctx
, str
);
7666 pma2
= isl_pw_multi_aff_copy(pma1
);
7667 mpa
= isl_multi_pw_aff_from_pw_multi_aff(pma1
);
7668 pma1
= isl_pw_multi_aff_from_multi_pw_aff(mpa
);
7669 equal
= isl_pw_multi_aff_plain_is_equal(pma1
, pma2
);
7670 isl_pw_multi_aff_free(pma1
);
7671 isl_pw_multi_aff_free(pma2
);
7676 isl_die(ctx
, isl_error_unknown
, "bad conversion",
7683 /* Descriptions of union maps that should be convertible
7684 * to an isl_multi_union_pw_aff.
7686 const char *umap_mupa_conversion_tests
[] = {
7687 "{ [a, b, c, d] -> s0[a, b, e, f] : "
7688 "exists (e0 = [(a - 2c)/3], e1 = [(-4 + b - 5d)/9], "
7689 "e2 = [(-d + f)/9]: 3e0 = a - 2c and 9e1 = -4 + b - 5d and "
7690 "9e2 = -d + f and f >= 0 and f <= 8 and 9e >= -5 - 2a and "
7692 "{ [a, b] -> [c] : exists (e0 = floor((-a - b + c)/5): "
7693 "5e0 = -a - b + c and c >= -a and c <= 4 - a) }",
7694 "{ [a, b] -> [c] : exists d : 18 * d = -3 - a + 2c and 1 <= c <= 3 }",
7695 "{ A[] -> B[0]; C[] -> B[1] }",
7696 "{ A[] -> B[]; C[] -> B[] }",
7699 /* Check that converting from isl_union_map to isl_multi_union_pw_aff and back
7700 * to isl_union_map produces the original isl_union_map.
7702 static int test_union_map_mupa_conversion(isl_ctx
*ctx
)
7705 isl_union_map
*umap1
, *umap2
;
7706 isl_multi_union_pw_aff
*mupa
;
7709 for (i
= 0; i
< ARRAY_SIZE(umap_mupa_conversion_tests
); ++i
) {
7711 str
= umap_mupa_conversion_tests
[i
];
7712 umap1
= isl_union_map_read_from_str(ctx
, str
);
7713 umap2
= isl_union_map_copy(umap1
);
7714 mupa
= isl_multi_union_pw_aff_from_union_map(umap2
);
7715 umap2
= isl_union_map_from_multi_union_pw_aff(mupa
);
7716 equal
= isl_union_map_is_equal(umap1
, umap2
);
7717 isl_union_map_free(umap1
);
7718 isl_union_map_free(umap2
);
7723 isl_die(ctx
, isl_error_unknown
, "bad conversion",
7730 static int test_conversion(isl_ctx
*ctx
)
7732 if (test_set_conversion(ctx
) < 0)
7734 if (test_map_conversion(ctx
) < 0)
7736 if (test_mpa_conversion(ctx
) < 0)
7738 if (test_union_map_mupa_conversion(ctx
) < 0)
7743 /* Check that isl_basic_map_curry does not modify input.
7745 static int test_curry(isl_ctx
*ctx
)
7748 isl_basic_map
*bmap1
, *bmap2
;
7751 str
= "{ [A[] -> B[]] -> C[] }";
7752 bmap1
= isl_basic_map_read_from_str(ctx
, str
);
7753 bmap2
= isl_basic_map_curry(isl_basic_map_copy(bmap1
));
7754 equal
= isl_basic_map_is_equal(bmap1
, bmap2
);
7755 isl_basic_map_free(bmap1
);
7756 isl_basic_map_free(bmap2
);
7761 isl_die(ctx
, isl_error_unknown
,
7762 "curried map should not be equal to original",
7772 } preimage_tests
[] = {
7773 { "{ B[i,j] : 0 <= i < 10 and 0 <= j < 100 }",
7774 "{ A[j,i] -> B[i,j] }",
7775 "{ A[j,i] : 0 <= i < 10 and 0 <= j < 100 }" },
7776 { "{ rat: B[i,j] : 0 <= i, j and 3 i + 5 j <= 100 }",
7777 "{ A[a,b] -> B[a/2,b/6] }",
7778 "{ rat: A[a,b] : 0 <= a, b and 9 a + 5 b <= 600 }" },
7779 { "{ B[i,j] : 0 <= i, j and 3 i + 5 j <= 100 }",
7780 "{ A[a,b] -> B[a/2,b/6] }",
7781 "{ A[a,b] : 0 <= a, b and 9 a + 5 b <= 600 and "
7782 "exists i,j : a = 2 i and b = 6 j }" },
7783 { "[n] -> { S[i] : 0 <= i <= 100 }", "[n] -> { S[n] }",
7784 "[n] -> { : 0 <= n <= 100 }" },
7785 { "{ B[i] : 0 <= i < 100 and exists a : i = 4 a }",
7786 "{ A[a] -> B[2a] }",
7787 "{ A[a] : 0 <= a < 50 and exists b : a = 2 b }" },
7788 { "{ B[i] : 0 <= i < 100 and exists a : i = 4 a }",
7789 "{ A[a] -> B[([a/2])] }",
7790 "{ A[a] : 0 <= a < 200 and exists b : [a/2] = 4 b }" },
7791 { "{ B[i,j,k] : 0 <= i,j,k <= 100 }",
7792 "{ A[a] -> B[a,a,a/3] }",
7793 "{ A[a] : 0 <= a <= 100 and exists b : a = 3 b }" },
7794 { "{ B[i,j] : j = [(i)/2] } ", "{ A[i,j] -> B[i/3,j] }",
7795 "{ A[i,j] : j = [(i)/6] and exists a : i = 3 a }" },
7798 static int test_preimage_basic_set(isl_ctx
*ctx
)
7801 isl_basic_set
*bset1
, *bset2
;
7805 for (i
= 0; i
< ARRAY_SIZE(preimage_tests
); ++i
) {
7806 bset1
= isl_basic_set_read_from_str(ctx
, preimage_tests
[i
].set
);
7807 ma
= isl_multi_aff_read_from_str(ctx
, preimage_tests
[i
].ma
);
7808 bset2
= isl_basic_set_read_from_str(ctx
, preimage_tests
[i
].res
);
7809 bset1
= isl_basic_set_preimage_multi_aff(bset1
, ma
);
7810 equal
= isl_basic_set_is_equal(bset1
, bset2
);
7811 isl_basic_set_free(bset1
);
7812 isl_basic_set_free(bset2
);
7816 isl_die(ctx
, isl_error_unknown
, "bad preimage",
7827 } preimage_domain_tests
[] = {
7828 { "{ B[i,j] -> C[2i + 3j] : 0 <= i < 10 and 0 <= j < 100 }",
7829 "{ A[j,i] -> B[i,j] }",
7830 "{ A[j,i] -> C[2i + 3j] : 0 <= i < 10 and 0 <= j < 100 }" },
7831 { "{ B[i] -> C[i]; D[i] -> E[i] }",
7832 "{ A[i] -> B[i + 1] }",
7833 "{ A[i] -> C[i + 1] }" },
7834 { "{ B[i] -> C[i]; B[i] -> E[i] }",
7835 "{ A[i] -> B[i + 1] }",
7836 "{ A[i] -> C[i + 1]; A[i] -> E[i + 1] }" },
7837 { "{ B[i] -> C[([i/2])] }",
7838 "{ A[i] -> B[2i] }",
7839 "{ A[i] -> C[i] }" },
7840 { "{ B[i,j] -> C[([i/2]), ([(i+j)/3])] }",
7841 "{ A[i] -> B[([i/5]), ([i/7])] }",
7842 "{ A[i] -> C[([([i/5])/2]), ([(([i/5])+([i/7]))/3])] }" },
7843 { "[N] -> { B[i] -> C[([N/2]), i, ([N/3])] }",
7844 "[N] -> { A[] -> B[([N/5])] }",
7845 "[N] -> { A[] -> C[([N/2]), ([N/5]), ([N/3])] }" },
7846 { "{ B[i] -> C[i] : exists a : i = 5 a }",
7847 "{ A[i] -> B[2i] }",
7848 "{ A[i] -> C[2i] : exists a : 2i = 5 a }" },
7849 { "{ B[i] -> C[i] : exists a : i = 2 a; "
7850 "B[i] -> D[i] : exists a : i = 2 a + 1 }",
7851 "{ A[i] -> B[2i] }",
7852 "{ A[i] -> C[2i] }" },
7853 { "{ A[i] -> B[i] }", "{ C[i] -> A[(i + floor(i/3))/2] }",
7854 "{ C[i] -> B[j] : 2j = i + floor(i/3) }" },
7857 static int test_preimage_union_map(isl_ctx
*ctx
)
7860 isl_union_map
*umap1
, *umap2
;
7864 for (i
= 0; i
< ARRAY_SIZE(preimage_domain_tests
); ++i
) {
7865 umap1
= isl_union_map_read_from_str(ctx
,
7866 preimage_domain_tests
[i
].map
);
7867 ma
= isl_multi_aff_read_from_str(ctx
,
7868 preimage_domain_tests
[i
].ma
);
7869 umap2
= isl_union_map_read_from_str(ctx
,
7870 preimage_domain_tests
[i
].res
);
7871 umap1
= isl_union_map_preimage_domain_multi_aff(umap1
, ma
);
7872 equal
= isl_union_map_is_equal(umap1
, umap2
);
7873 isl_union_map_free(umap1
);
7874 isl_union_map_free(umap2
);
7878 isl_die(ctx
, isl_error_unknown
, "bad preimage",
7885 static int test_preimage(isl_ctx
*ctx
)
7887 if (test_preimage_basic_set(ctx
) < 0)
7889 if (test_preimage_union_map(ctx
) < 0)
7899 } pullback_tests
[] = {
7900 { "{ B[i,j] -> C[i + 2j] }" , "{ A[a,b] -> B[b,a] }",
7901 "{ A[a,b] -> C[b + 2a] }" },
7902 { "{ B[i] -> C[2i] }", "{ A[a] -> B[(a)/2] }", "{ A[a] -> C[a] }" },
7903 { "{ B[i] -> C[(i)/2] }", "{ A[a] -> B[2a] }", "{ A[a] -> C[a] }" },
7904 { "{ B[i] -> C[(i)/2] }", "{ A[a] -> B[(a)/3] }",
7905 "{ A[a] -> C[(a)/6] }" },
7906 { "{ B[i] -> C[2i] }", "{ A[a] -> B[5a] }", "{ A[a] -> C[10a] }" },
7907 { "{ B[i] -> C[2i] }", "{ A[a] -> B[(a)/3] }",
7908 "{ A[a] -> C[(2a)/3] }" },
7909 { "{ B[i,j] -> C[i + j] }", "{ A[a] -> B[a,a] }", "{ A[a] -> C[2a] }"},
7910 { "{ B[a] -> C[a,a] }", "{ A[i,j] -> B[i + j] }",
7911 "{ A[i,j] -> C[i + j, i + j] }"},
7912 { "{ B[i] -> C[([i/2])] }", "{ B[5] }", "{ C[2] }" },
7913 { "[n] -> { B[i,j] -> C[([i/2]) + 2j] }",
7914 "[n] -> { B[n,[n/3]] }", "[n] -> { C[([n/2]) + 2*[n/3]] }", },
7915 { "{ [i, j] -> [floor((i)/4) + floor((2*i+j)/5)] }",
7916 "{ [i, j] -> [floor((i)/3), j] }",
7917 "{ [i, j] -> [(floor((i)/12) + floor((j + 2*floor((i)/3))/5))] }" },
7920 static int test_pullback(isl_ctx
*ctx
)
7923 isl_multi_aff
*ma1
, *ma2
;
7927 for (i
= 0; i
< ARRAY_SIZE(pullback_tests
); ++i
) {
7928 ma1
= isl_multi_aff_read_from_str(ctx
, pullback_tests
[i
].ma1
);
7929 ma
= isl_multi_aff_read_from_str(ctx
, pullback_tests
[i
].ma
);
7930 ma2
= isl_multi_aff_read_from_str(ctx
, pullback_tests
[i
].res
);
7931 ma1
= isl_multi_aff_pullback_multi_aff(ma1
, ma
);
7932 equal
= isl_multi_aff_plain_is_equal(ma1
, ma2
);
7933 isl_multi_aff_free(ma1
);
7934 isl_multi_aff_free(ma2
);
7938 isl_die(ctx
, isl_error_unknown
, "bad pullback",
7945 /* Check that negation is printed correctly and that equal expressions
7946 * are correctly identified.
7948 static int test_ast(isl_ctx
*ctx
)
7950 isl_ast_expr
*expr
, *expr1
, *expr2
, *expr3
;
7954 expr1
= isl_ast_expr_from_id(isl_id_alloc(ctx
, "A", NULL
));
7955 expr2
= isl_ast_expr_from_id(isl_id_alloc(ctx
, "B", NULL
));
7956 expr
= isl_ast_expr_add(expr1
, expr2
);
7957 expr2
= isl_ast_expr_copy(expr
);
7958 expr
= isl_ast_expr_neg(expr
);
7959 expr2
= isl_ast_expr_neg(expr2
);
7960 equal
= isl_ast_expr_is_equal(expr
, expr2
);
7961 str
= isl_ast_expr_to_C_str(expr
);
7962 ok
= str
? !strcmp(str
, "-(A + B)") : -1;
7964 isl_ast_expr_free(expr
);
7965 isl_ast_expr_free(expr2
);
7967 if (ok
< 0 || equal
< 0)
7970 isl_die(ctx
, isl_error_unknown
,
7971 "equal expressions not considered equal", return -1);
7973 isl_die(ctx
, isl_error_unknown
,
7974 "isl_ast_expr printed incorrectly", return -1);
7976 expr1
= isl_ast_expr_from_id(isl_id_alloc(ctx
, "A", NULL
));
7977 expr2
= isl_ast_expr_from_id(isl_id_alloc(ctx
, "B", NULL
));
7978 expr
= isl_ast_expr_add(expr1
, expr2
);
7979 expr3
= isl_ast_expr_from_id(isl_id_alloc(ctx
, "C", NULL
));
7980 expr
= isl_ast_expr_sub(expr3
, expr
);
7981 str
= isl_ast_expr_to_C_str(expr
);
7982 ok
= str
? !strcmp(str
, "C - (A + B)") : -1;
7984 isl_ast_expr_free(expr
);
7989 isl_die(ctx
, isl_error_unknown
,
7990 "isl_ast_expr printed incorrectly", return -1);
7995 /* Check that isl_ast_build_expr_from_set returns a valid expression
7996 * for an empty set. Note that isl_ast_build_expr_from_set getting
7997 * called on an empty set probably indicates a bug in the caller.
7999 static int test_ast_build(isl_ctx
*ctx
)
8002 isl_ast_build
*build
;
8005 set
= isl_set_universe(isl_space_params_alloc(ctx
, 0));
8006 build
= isl_ast_build_from_context(set
);
8008 set
= isl_set_empty(isl_space_params_alloc(ctx
, 0));
8009 expr
= isl_ast_build_expr_from_set(build
, set
);
8011 isl_ast_expr_free(expr
);
8012 isl_ast_build_free(build
);
8020 /* Internal data structure for before_for and after_for callbacks.
8022 * depth is the current depth
8023 * before is the number of times before_for has been called
8024 * after is the number of times after_for has been called
8026 struct isl_test_codegen_data
{
8032 /* This function is called before each for loop in the AST generated
8033 * from test_ast_gen1.
8035 * Increment the number of calls and the depth.
8036 * Check that the space returned by isl_ast_build_get_schedule_space
8037 * matches the target space of the schedule returned by
8038 * isl_ast_build_get_schedule.
8039 * Return an isl_id that is checked by the corresponding call
8042 static __isl_give isl_id
*before_for(__isl_keep isl_ast_build
*build
,
8045 struct isl_test_codegen_data
*data
= user
;
8048 isl_union_map
*schedule
;
8049 isl_union_set
*uset
;
8055 ctx
= isl_ast_build_get_ctx(build
);
8057 if (data
->before
>= 3)
8058 isl_die(ctx
, isl_error_unknown
,
8059 "unexpected number of for nodes", return NULL
);
8060 if (data
->depth
>= 2)
8061 isl_die(ctx
, isl_error_unknown
,
8062 "unexpected depth", return NULL
);
8064 snprintf(name
, sizeof(name
), "d%d", data
->depth
);
8068 schedule
= isl_ast_build_get_schedule(build
);
8069 uset
= isl_union_map_range(schedule
);
8070 n
= isl_union_set_n_set(uset
);
8072 isl_union_set_free(uset
);
8075 isl_die(ctx
, isl_error_unknown
,
8076 "expecting single range space", return NULL
);
8079 space
= isl_ast_build_get_schedule_space(build
);
8080 set
= isl_union_set_extract_set(uset
, space
);
8081 isl_union_set_free(uset
);
8082 empty
= isl_set_is_empty(set
);
8088 isl_die(ctx
, isl_error_unknown
,
8089 "spaces don't match", return NULL
);
8091 return isl_id_alloc(ctx
, name
, NULL
);
8094 /* This function is called after each for loop in the AST generated
8095 * from test_ast_gen1.
8097 * Increment the number of calls and decrement the depth.
8098 * Check that the annotation attached to the node matches
8099 * the isl_id returned by the corresponding call to before_for.
8101 static __isl_give isl_ast_node
*after_for(__isl_take isl_ast_node
*node
,
8102 __isl_keep isl_ast_build
*build
, void *user
)
8104 struct isl_test_codegen_data
*data
= user
;
8112 if (data
->after
> data
->before
)
8113 isl_die(isl_ast_node_get_ctx(node
), isl_error_unknown
,
8114 "mismatch in number of for nodes",
8115 return isl_ast_node_free(node
));
8117 id
= isl_ast_node_get_annotation(node
);
8119 isl_die(isl_ast_node_get_ctx(node
), isl_error_unknown
,
8120 "missing annotation", return isl_ast_node_free(node
));
8122 name
= isl_id_get_name(id
);
8123 valid
= name
&& atoi(name
+ 1) == data
->depth
;
8127 isl_die(isl_ast_node_get_ctx(node
), isl_error_unknown
,
8128 "wrong annotation", return isl_ast_node_free(node
));
8133 /* Check that the before_each_for and after_each_for callbacks
8134 * are called for each for loop in the generated code,
8135 * that they are called in the right order and that the isl_id
8136 * returned from the before_each_for callback is attached to
8137 * the isl_ast_node passed to the corresponding after_each_for call.
8139 static int test_ast_gen1(isl_ctx
*ctx
)
8143 isl_union_map
*schedule
;
8144 isl_ast_build
*build
;
8146 struct isl_test_codegen_data data
;
8148 str
= "[N] -> { : N >= 10 }";
8149 set
= isl_set_read_from_str(ctx
, str
);
8150 str
= "[N] -> { A[i,j] -> S[8,i,3,j] : 0 <= i,j <= N; "
8151 "B[i,j] -> S[8,j,9,i] : 0 <= i,j <= N }";
8152 schedule
= isl_union_map_read_from_str(ctx
, str
);
8157 build
= isl_ast_build_from_context(set
);
8158 build
= isl_ast_build_set_before_each_for(build
,
8159 &before_for
, &data
);
8160 build
= isl_ast_build_set_after_each_for(build
,
8162 tree
= isl_ast_build_node_from_schedule_map(build
, schedule
);
8163 isl_ast_build_free(build
);
8167 isl_ast_node_free(tree
);
8169 if (data
.before
!= 3 || data
.after
!= 3)
8170 isl_die(ctx
, isl_error_unknown
,
8171 "unexpected number of for nodes", return -1);
8176 /* Check that the AST generator handles domains that are integrally disjoint
8177 * but not rationally disjoint.
8179 static int test_ast_gen2(isl_ctx
*ctx
)
8183 isl_union_map
*schedule
;
8184 isl_union_map
*options
;
8185 isl_ast_build
*build
;
8188 str
= "{ A[i,j] -> [i,j] : 0 <= i,j <= 1 }";
8189 schedule
= isl_union_map_read_from_str(ctx
, str
);
8190 set
= isl_set_universe(isl_space_params_alloc(ctx
, 0));
8191 build
= isl_ast_build_from_context(set
);
8193 str
= "{ [i,j] -> atomic[1] : i + j = 1; [i,j] -> unroll[1] : i = j }";
8194 options
= isl_union_map_read_from_str(ctx
, str
);
8195 build
= isl_ast_build_set_options(build
, options
);
8196 tree
= isl_ast_build_node_from_schedule_map(build
, schedule
);
8197 isl_ast_build_free(build
);
8200 isl_ast_node_free(tree
);
8205 /* Increment *user on each call.
8207 static __isl_give isl_ast_node
*count_domains(__isl_take isl_ast_node
*node
,
8208 __isl_keep isl_ast_build
*build
, void *user
)
8217 /* Test that unrolling tries to minimize the number of instances.
8218 * In particular, for the schedule given below, make sure it generates
8219 * 3 nodes (rather than 101).
8221 static int test_ast_gen3(isl_ctx
*ctx
)
8225 isl_union_map
*schedule
;
8226 isl_union_map
*options
;
8227 isl_ast_build
*build
;
8231 str
= "[n] -> { A[i] -> [i] : 0 <= i <= 100 and n <= i <= n + 2 }";
8232 schedule
= isl_union_map_read_from_str(ctx
, str
);
8233 set
= isl_set_universe(isl_space_params_alloc(ctx
, 0));
8235 str
= "{ [i] -> unroll[0] }";
8236 options
= isl_union_map_read_from_str(ctx
, str
);
8238 build
= isl_ast_build_from_context(set
);
8239 build
= isl_ast_build_set_options(build
, options
);
8240 build
= isl_ast_build_set_at_each_domain(build
,
8241 &count_domains
, &n_domain
);
8242 tree
= isl_ast_build_node_from_schedule_map(build
, schedule
);
8243 isl_ast_build_free(build
);
8247 isl_ast_node_free(tree
);
8250 isl_die(ctx
, isl_error_unknown
,
8251 "unexpected number of for nodes", return -1);
8256 /* Check that if the ast_build_exploit_nested_bounds options is set,
8257 * we do not get an outer if node in the generated AST,
8258 * while we do get such an outer if node if the options is not set.
8260 static int test_ast_gen4(isl_ctx
*ctx
)
8264 isl_union_map
*schedule
;
8265 isl_ast_build
*build
;
8267 enum isl_ast_node_type type
;
8270 enb
= isl_options_get_ast_build_exploit_nested_bounds(ctx
);
8271 str
= "[N,M] -> { A[i,j] -> [i,j] : 0 <= i <= N and 0 <= j <= M }";
8273 isl_options_set_ast_build_exploit_nested_bounds(ctx
, 1);
8275 schedule
= isl_union_map_read_from_str(ctx
, str
);
8276 set
= isl_set_universe(isl_space_params_alloc(ctx
, 0));
8277 build
= isl_ast_build_from_context(set
);
8278 tree
= isl_ast_build_node_from_schedule_map(build
, schedule
);
8279 isl_ast_build_free(build
);
8283 type
= isl_ast_node_get_type(tree
);
8284 isl_ast_node_free(tree
);
8286 if (type
== isl_ast_node_if
)
8287 isl_die(ctx
, isl_error_unknown
,
8288 "not expecting if node", return -1);
8290 isl_options_set_ast_build_exploit_nested_bounds(ctx
, 0);
8292 schedule
= isl_union_map_read_from_str(ctx
, str
);
8293 set
= isl_set_universe(isl_space_params_alloc(ctx
, 0));
8294 build
= isl_ast_build_from_context(set
);
8295 tree
= isl_ast_build_node_from_schedule_map(build
, schedule
);
8296 isl_ast_build_free(build
);
8300 type
= isl_ast_node_get_type(tree
);
8301 isl_ast_node_free(tree
);
8303 if (type
!= isl_ast_node_if
)
8304 isl_die(ctx
, isl_error_unknown
,
8305 "expecting if node", return -1);
8307 isl_options_set_ast_build_exploit_nested_bounds(ctx
, enb
);
8312 /* This function is called for each leaf in the AST generated
8313 * from test_ast_gen5.
8315 * We finalize the AST generation by extending the outer schedule
8316 * with a zero-dimensional schedule. If this results in any for loops,
8317 * then this means that we did not pass along enough information
8318 * about the outer schedule to the inner AST generation.
8320 static __isl_give isl_ast_node
*create_leaf(__isl_take isl_ast_build
*build
,
8323 isl_union_map
*schedule
, *extra
;
8326 schedule
= isl_ast_build_get_schedule(build
);
8327 extra
= isl_union_map_copy(schedule
);
8328 extra
= isl_union_map_from_domain(isl_union_map_domain(extra
));
8329 schedule
= isl_union_map_range_product(schedule
, extra
);
8330 tree
= isl_ast_build_node_from_schedule_map(build
, schedule
);
8331 isl_ast_build_free(build
);
8336 if (isl_ast_node_get_type(tree
) == isl_ast_node_for
)
8337 isl_die(isl_ast_node_get_ctx(tree
), isl_error_unknown
,
8338 "code should not contain any for loop",
8339 return isl_ast_node_free(tree
));
8344 /* Check that we do not lose any information when going back and
8345 * forth between internal and external schedule.
8347 * In particular, we create an AST where we unroll the only
8348 * non-constant dimension in the schedule. We therefore do
8349 * not expect any for loops in the AST. However, older versions
8350 * of isl would not pass along enough information about the outer
8351 * schedule when performing an inner code generation from a create_leaf
8352 * callback, resulting in the inner code generation producing a for loop.
8354 static int test_ast_gen5(isl_ctx
*ctx
)
8358 isl_union_map
*schedule
, *options
;
8359 isl_ast_build
*build
;
8362 str
= "{ A[] -> [1, 1, 2]; B[i] -> [1, i, 0] : i >= 1 and i <= 2 }";
8363 schedule
= isl_union_map_read_from_str(ctx
, str
);
8365 str
= "{ [a, b, c] -> unroll[1] : exists (e0 = [(a)/4]: "
8366 "4e0 >= -1 + a - b and 4e0 <= -2 + a + b) }";
8367 options
= isl_union_map_read_from_str(ctx
, str
);
8369 set
= isl_set_universe(isl_space_params_alloc(ctx
, 0));
8370 build
= isl_ast_build_from_context(set
);
8371 build
= isl_ast_build_set_options(build
, options
);
8372 build
= isl_ast_build_set_create_leaf(build
, &create_leaf
, NULL
);
8373 tree
= isl_ast_build_node_from_schedule_map(build
, schedule
);
8374 isl_ast_build_free(build
);
8375 isl_ast_node_free(tree
);
8382 /* Check that the expression
8384 * [n] -> { [n/2] : n <= 0 and n % 2 = 0; [0] : n > 0 }
8386 * is not combined into
8390 * as this would result in n/2 being evaluated in parts of
8391 * the definition domain where n is not a multiple of 2.
8393 static int test_ast_expr(isl_ctx
*ctx
)
8397 isl_ast_build
*build
;
8402 min_max
= isl_options_get_ast_build_detect_min_max(ctx
);
8403 isl_options_set_ast_build_detect_min_max(ctx
, 1);
8405 str
= "[n] -> { [n/2] : n <= 0 and n % 2 = 0; [0] : n > 0 }";
8406 pa
= isl_pw_aff_read_from_str(ctx
, str
);
8407 build
= isl_ast_build_alloc(ctx
);
8408 expr
= isl_ast_build_expr_from_pw_aff(build
, pa
);
8409 is_min
= isl_ast_expr_get_type(expr
) == isl_ast_expr_op
&&
8410 isl_ast_expr_get_op_type(expr
) == isl_ast_op_min
;
8411 isl_ast_build_free(build
);
8412 isl_ast_expr_free(expr
);
8414 isl_options_set_ast_build_detect_min_max(ctx
, min_max
);
8419 isl_die(ctx
, isl_error_unknown
,
8420 "expressions should not be combined", return -1);
8425 static int test_ast_gen(isl_ctx
*ctx
)
8427 if (test_ast_gen1(ctx
) < 0)
8429 if (test_ast_gen2(ctx
) < 0)
8431 if (test_ast_gen3(ctx
) < 0)
8433 if (test_ast_gen4(ctx
) < 0)
8435 if (test_ast_gen5(ctx
) < 0)
8437 if (test_ast_expr(ctx
) < 0)
8442 /* Check if dropping output dimensions from an isl_pw_multi_aff
8445 static int test_pw_multi_aff(isl_ctx
*ctx
)
8448 isl_pw_multi_aff
*pma1
, *pma2
;
8451 str
= "{ [i,j] -> [i+j, 4i-j] }";
8452 pma1
= isl_pw_multi_aff_read_from_str(ctx
, str
);
8453 str
= "{ [i,j] -> [4i-j] }";
8454 pma2
= isl_pw_multi_aff_read_from_str(ctx
, str
);
8456 pma1
= isl_pw_multi_aff_drop_dims(pma1
, isl_dim_out
, 0, 1);
8458 equal
= isl_pw_multi_aff_plain_is_equal(pma1
, pma2
);
8460 isl_pw_multi_aff_free(pma1
);
8461 isl_pw_multi_aff_free(pma2
);
8465 isl_die(ctx
, isl_error_unknown
,
8466 "expressions not equal", return -1);
8471 /* Check that we can properly parse multi piecewise affine expressions
8472 * where the piecewise affine expressions have different domains.
8474 static int test_multi_pw_aff_1(isl_ctx
*ctx
)
8477 isl_set
*dom
, *dom2
;
8478 isl_multi_pw_aff
*mpa1
, *mpa2
;
8483 mpa1
= isl_multi_pw_aff_read_from_str(ctx
, "{ [i] -> [i] }");
8484 dom
= isl_set_read_from_str(ctx
, "{ [i] : i > 0 }");
8485 mpa1
= isl_multi_pw_aff_intersect_domain(mpa1
, dom
);
8486 mpa2
= isl_multi_pw_aff_read_from_str(ctx
, "{ [i] -> [2i] }");
8487 mpa2
= isl_multi_pw_aff_flat_range_product(mpa1
, mpa2
);
8488 str
= "{ [i] -> [(i : i > 0), 2i] }";
8489 mpa1
= isl_multi_pw_aff_read_from_str(ctx
, str
);
8491 equal
= isl_multi_pw_aff_plain_is_equal(mpa1
, mpa2
);
8493 pa
= isl_multi_pw_aff_get_pw_aff(mpa1
, 0);
8494 dom
= isl_pw_aff_domain(pa
);
8495 pa
= isl_multi_pw_aff_get_pw_aff(mpa1
, 1);
8496 dom2
= isl_pw_aff_domain(pa
);
8497 equal_domain
= isl_set_is_equal(dom
, dom2
);
8501 isl_multi_pw_aff_free(mpa1
);
8502 isl_multi_pw_aff_free(mpa2
);
8507 isl_die(ctx
, isl_error_unknown
,
8508 "expressions not equal", return -1);
8510 if (equal_domain
< 0)
8513 isl_die(ctx
, isl_error_unknown
,
8514 "domains unexpectedly equal", return -1);
8519 /* Check that the dimensions in the explicit domain
8520 * of a multi piecewise affine expression are properly
8521 * taken into account.
8523 static int test_multi_pw_aff_2(isl_ctx
*ctx
)
8526 isl_bool involves1
, involves2
, involves3
, equal
;
8527 isl_multi_pw_aff
*mpa
, *mpa1
, *mpa2
;
8529 str
= "{ A[x,y] -> B[] : x >= y }";
8530 mpa
= isl_multi_pw_aff_read_from_str(ctx
, str
);
8531 involves1
= isl_multi_pw_aff_involves_dims(mpa
, isl_dim_in
, 0, 2);
8532 mpa1
= isl_multi_pw_aff_copy(mpa
);
8534 mpa
= isl_multi_pw_aff_insert_dims(mpa
, isl_dim_in
, 0, 1);
8535 involves2
= isl_multi_pw_aff_involves_dims(mpa
, isl_dim_in
, 0, 1);
8536 involves3
= isl_multi_pw_aff_involves_dims(mpa
, isl_dim_in
, 1, 2);
8537 str
= "{ [a,x,y] -> B[] : x >= y }";
8538 mpa2
= isl_multi_pw_aff_read_from_str(ctx
, str
);
8539 equal
= isl_multi_pw_aff_plain_is_equal(mpa
, mpa2
);
8540 isl_multi_pw_aff_free(mpa2
);
8542 mpa
= isl_multi_pw_aff_drop_dims(mpa
, isl_dim_in
, 0, 1);
8543 mpa
= isl_multi_pw_aff_set_tuple_name(mpa
, isl_dim_in
, "A");
8544 if (equal
>= 0 && equal
)
8545 equal
= isl_multi_pw_aff_plain_is_equal(mpa
, mpa1
);
8546 isl_multi_pw_aff_free(mpa1
);
8547 isl_multi_pw_aff_free(mpa
);
8549 if (involves1
< 0 || involves2
< 0 || involves3
< 0 || equal
< 0)
8552 isl_die(ctx
, isl_error_unknown
,
8553 "incorrect result of dimension insertion/removal",
8554 return isl_stat_error
);
8555 if (!involves1
|| involves2
|| !involves3
)
8556 isl_die(ctx
, isl_error_unknown
,
8557 "incorrect characterization of involved dimensions",
8558 return isl_stat_error
);
8563 /* Check that isl_multi_union_pw_aff_multi_val_on_domain
8564 * sets the explicit domain of a zero-dimensional result,
8565 * such that it can be converted to an isl_union_map.
8567 static isl_stat
test_multi_pw_aff_3(isl_ctx
*ctx
)
8572 isl_multi_union_pw_aff
*mupa
;
8573 isl_union_map
*umap
;
8575 dom
= isl_union_set_read_from_str(ctx
, "{ A[]; B[] }");
8576 space
= isl_union_set_get_space(dom
);
8577 mv
= isl_multi_val_zero(isl_space_set_from_params(space
));
8578 mupa
= isl_multi_union_pw_aff_multi_val_on_domain(dom
, mv
);
8579 umap
= isl_union_map_from_multi_union_pw_aff(mupa
);
8580 isl_union_map_free(umap
);
8582 return isl_stat_error
;
8587 /* Perform some tests on multi piecewise affine expressions.
8589 static int test_multi_pw_aff(isl_ctx
*ctx
)
8591 if (test_multi_pw_aff_1(ctx
) < 0)
8593 if (test_multi_pw_aff_2(ctx
) < 0)
8595 if (test_multi_pw_aff_3(ctx
) < 0)
8600 /* This is a regression test for a bug where isl_basic_map_simplify
8601 * would end up in an infinite loop. In particular, we construct
8602 * an empty basic set that is not obviously empty.
8603 * isl_basic_set_is_empty marks the basic set as empty.
8604 * After projecting out i3, the variable can be dropped completely,
8605 * but isl_basic_map_simplify refrains from doing so if the basic set
8606 * is empty and would end up in an infinite loop if it didn't test
8607 * explicitly for empty basic maps in the outer loop.
8609 static int test_simplify_1(isl_ctx
*ctx
)
8612 isl_basic_set
*bset
;
8615 str
= "{ [i0, i1, i2, i3] : i0 >= -2 and 6i2 <= 4 + i0 + 5i1 and "
8616 "i2 <= 22 and 75i2 <= 111 + 13i0 + 60i1 and "
8617 "25i2 >= 38 + 6i0 + 20i1 and i0 <= -1 and i2 >= 20 and "
8619 bset
= isl_basic_set_read_from_str(ctx
, str
);
8620 empty
= isl_basic_set_is_empty(bset
);
8621 bset
= isl_basic_set_project_out(bset
, isl_dim_set
, 3, 1);
8622 isl_basic_set_free(bset
);
8626 isl_die(ctx
, isl_error_unknown
,
8627 "basic set should be empty", return -1);
8632 /* Check that the equality in the set description below
8633 * is simplified away.
8635 static int test_simplify_2(isl_ctx
*ctx
)
8638 isl_basic_set
*bset
;
8641 str
= "{ [a] : exists e0, e1: 32e1 = 31 + 31a + 31e0 }";
8642 bset
= isl_basic_set_read_from_str(ctx
, str
);
8643 universe
= isl_basic_set_plain_is_universe(bset
);
8644 isl_basic_set_free(bset
);
8649 isl_die(ctx
, isl_error_unknown
,
8650 "equality not simplified away", return -1);
8654 /* Some simplification tests.
8656 static int test_simplify(isl_ctx
*ctx
)
8658 if (test_simplify_1(ctx
) < 0)
8660 if (test_simplify_2(ctx
) < 0)
8665 /* This is a regression test for a bug where isl_tab_basic_map_partial_lexopt
8666 * with gbr context would fail to disable the use of the shifted tableau
8667 * when transferring equalities for the input to the context, resulting
8668 * in invalid sample values.
8670 static int test_partial_lexmin(isl_ctx
*ctx
)
8673 isl_basic_set
*bset
;
8674 isl_basic_map
*bmap
;
8677 str
= "{ [1, b, c, 1 - c] -> [e] : 2e <= -c and 2e >= -3 + c }";
8678 bmap
= isl_basic_map_read_from_str(ctx
, str
);
8679 str
= "{ [a, b, c, d] : c <= 1 and 2d >= 6 - 4b - c }";
8680 bset
= isl_basic_set_read_from_str(ctx
, str
);
8681 map
= isl_basic_map_partial_lexmin(bmap
, bset
, NULL
);
8690 /* Check that the variable compression performed on the existentially
8691 * quantified variables inside isl_basic_set_compute_divs is not confused
8692 * by the implicit equalities among the parameters.
8694 static int test_compute_divs(isl_ctx
*ctx
)
8697 isl_basic_set
*bset
;
8700 str
= "[a, b, c, d, e] -> { [] : exists (e0: 2d = b and a <= 124 and "
8701 "b <= 2046 and b >= 0 and b <= 60 + 64a and 2e >= b + 2c and "
8702 "2e >= b and 2e <= 1 + b and 2e <= 1 + b + 2c and "
8703 "32768e0 >= -124 + a and 2097152e0 <= 60 + 64a - b) }";
8704 bset
= isl_basic_set_read_from_str(ctx
, str
);
8705 set
= isl_basic_set_compute_divs(bset
);
8713 /* Check that isl_schedule_get_map is not confused by a schedule tree
8714 * with divergent filter node parameters, as can result from a call
8715 * to isl_schedule_intersect_domain.
8717 static int test_schedule_tree(isl_ctx
*ctx
)
8720 isl_union_set
*uset
;
8721 isl_schedule
*sched1
, *sched2
;
8722 isl_union_map
*umap
;
8724 uset
= isl_union_set_read_from_str(ctx
, "{ A[i] }");
8725 sched1
= isl_schedule_from_domain(uset
);
8726 uset
= isl_union_set_read_from_str(ctx
, "{ B[] }");
8727 sched2
= isl_schedule_from_domain(uset
);
8729 sched1
= isl_schedule_sequence(sched1
, sched2
);
8730 str
= "[n] -> { A[i] : 0 <= i < n; B[] }";
8731 uset
= isl_union_set_read_from_str(ctx
, str
);
8732 sched1
= isl_schedule_intersect_domain(sched1
, uset
);
8733 umap
= isl_schedule_get_map(sched1
);
8734 isl_schedule_free(sched1
);
8735 isl_union_map_free(umap
);
8742 /* Check that a zero-dimensional prefix schedule keeps track
8743 * of the domain and outer filters.
8745 static int test_schedule_tree_prefix(isl_ctx
*ctx
)
8749 isl_union_set
*uset
;
8750 isl_union_set_list
*filters
;
8751 isl_multi_union_pw_aff
*mupa
, *mupa2
;
8752 isl_schedule_node
*node
;
8754 str
= "{ S1[i,j] : 0 <= i,j < 10; S2[i,j] : 0 <= i,j < 10 }";
8755 uset
= isl_union_set_read_from_str(ctx
, str
);
8756 node
= isl_schedule_node_from_domain(uset
);
8757 node
= isl_schedule_node_child(node
, 0);
8759 str
= "{ S1[i,j] : i > j }";
8760 uset
= isl_union_set_read_from_str(ctx
, str
);
8761 filters
= isl_union_set_list_from_union_set(uset
);
8762 str
= "{ S1[i,j] : i <= j; S2[i,j] }";
8763 uset
= isl_union_set_read_from_str(ctx
, str
);
8764 filters
= isl_union_set_list_add(filters
, uset
);
8765 node
= isl_schedule_node_insert_sequence(node
, filters
);
8767 node
= isl_schedule_node_child(node
, 0);
8768 node
= isl_schedule_node_child(node
, 0);
8769 mupa
= isl_schedule_node_get_prefix_schedule_multi_union_pw_aff(node
);
8770 str
= "([] : { S1[i,j] : i > j })";
8771 mupa2
= isl_multi_union_pw_aff_read_from_str(ctx
, str
);
8772 equal
= isl_multi_union_pw_aff_plain_is_equal(mupa
, mupa2
);
8773 isl_multi_union_pw_aff_free(mupa2
);
8774 isl_multi_union_pw_aff_free(mupa
);
8775 isl_schedule_node_free(node
);
8780 isl_die(ctx
, isl_error_unknown
, "unexpected prefix schedule",
8786 /* Check that the reaching domain elements and the prefix schedule
8787 * at a leaf node are the same before and after grouping.
8789 static int test_schedule_tree_group_1(isl_ctx
*ctx
)
8794 isl_union_set
*uset
;
8795 isl_multi_union_pw_aff
*mupa
;
8796 isl_union_pw_multi_aff
*upma1
, *upma2
;
8797 isl_union_set
*domain1
, *domain2
;
8798 isl_union_map
*umap1
, *umap2
;
8799 isl_schedule_node
*node
;
8801 str
= "{ S1[i,j] : 0 <= i,j < 10; S2[i,j] : 0 <= i,j < 10 }";
8802 uset
= isl_union_set_read_from_str(ctx
, str
);
8803 node
= isl_schedule_node_from_domain(uset
);
8804 node
= isl_schedule_node_child(node
, 0);
8805 str
= "[{ S1[i,j] -> [i]; S2[i,j] -> [9 - i] }]";
8806 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
, str
);
8807 node
= isl_schedule_node_insert_partial_schedule(node
, mupa
);
8808 node
= isl_schedule_node_child(node
, 0);
8809 str
= "[{ S1[i,j] -> [j]; S2[i,j] -> [j] }]";
8810 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
, str
);
8811 node
= isl_schedule_node_insert_partial_schedule(node
, mupa
);
8812 node
= isl_schedule_node_child(node
, 0);
8813 umap1
= isl_schedule_node_get_prefix_schedule_union_map(node
);
8814 upma1
= isl_schedule_node_get_prefix_schedule_union_pw_multi_aff(node
);
8815 domain1
= isl_schedule_node_get_domain(node
);
8816 id
= isl_id_alloc(ctx
, "group", NULL
);
8817 node
= isl_schedule_node_parent(node
);
8818 node
= isl_schedule_node_group(node
, id
);
8819 node
= isl_schedule_node_child(node
, 0);
8820 umap2
= isl_schedule_node_get_prefix_schedule_union_map(node
);
8821 upma2
= isl_schedule_node_get_prefix_schedule_union_pw_multi_aff(node
);
8822 domain2
= isl_schedule_node_get_domain(node
);
8823 equal
= isl_union_pw_multi_aff_plain_is_equal(upma1
, upma2
);
8824 if (equal
>= 0 && equal
)
8825 equal
= isl_union_set_is_equal(domain1
, domain2
);
8826 if (equal
>= 0 && equal
)
8827 equal
= isl_union_map_is_equal(umap1
, umap2
);
8828 isl_union_map_free(umap1
);
8829 isl_union_map_free(umap2
);
8830 isl_union_set_free(domain1
);
8831 isl_union_set_free(domain2
);
8832 isl_union_pw_multi_aff_free(upma1
);
8833 isl_union_pw_multi_aff_free(upma2
);
8834 isl_schedule_node_free(node
);
8839 isl_die(ctx
, isl_error_unknown
,
8840 "expressions not equal", return -1);
8845 /* Check that we can have nested groupings and that the union map
8846 * schedule representation is the same before and after the grouping.
8847 * Note that after the grouping, the union map representation contains
8848 * the domain constraints from the ranges of the expansion nodes,
8849 * while they are missing from the union map representation of
8850 * the tree without expansion nodes.
8852 * Also check that the global expansion is as expected.
8854 static int test_schedule_tree_group_2(isl_ctx
*ctx
)
8856 int equal
, equal_expansion
;
8859 isl_union_set
*uset
;
8860 isl_union_map
*umap1
, *umap2
;
8861 isl_union_map
*expansion1
, *expansion2
;
8862 isl_union_set_list
*filters
;
8863 isl_multi_union_pw_aff
*mupa
;
8864 isl_schedule
*schedule
;
8865 isl_schedule_node
*node
;
8867 str
= "{ S1[i,j] : 0 <= i,j < 10; S2[i,j] : 0 <= i,j < 10; "
8868 "S3[i,j] : 0 <= i,j < 10 }";
8869 uset
= isl_union_set_read_from_str(ctx
, str
);
8870 node
= isl_schedule_node_from_domain(uset
);
8871 node
= isl_schedule_node_child(node
, 0);
8872 str
= "[{ S1[i,j] -> [i]; S2[i,j] -> [i]; S3[i,j] -> [i] }]";
8873 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
, str
);
8874 node
= isl_schedule_node_insert_partial_schedule(node
, mupa
);
8875 node
= isl_schedule_node_child(node
, 0);
8876 str
= "{ S1[i,j] }";
8877 uset
= isl_union_set_read_from_str(ctx
, str
);
8878 filters
= isl_union_set_list_from_union_set(uset
);
8879 str
= "{ S2[i,j]; S3[i,j] }";
8880 uset
= isl_union_set_read_from_str(ctx
, str
);
8881 filters
= isl_union_set_list_add(filters
, uset
);
8882 node
= isl_schedule_node_insert_sequence(node
, filters
);
8883 node
= isl_schedule_node_child(node
, 1);
8884 node
= isl_schedule_node_child(node
, 0);
8885 str
= "{ S2[i,j] }";
8886 uset
= isl_union_set_read_from_str(ctx
, str
);
8887 filters
= isl_union_set_list_from_union_set(uset
);
8888 str
= "{ S3[i,j] }";
8889 uset
= isl_union_set_read_from_str(ctx
, str
);
8890 filters
= isl_union_set_list_add(filters
, uset
);
8891 node
= isl_schedule_node_insert_sequence(node
, filters
);
8893 schedule
= isl_schedule_node_get_schedule(node
);
8894 umap1
= isl_schedule_get_map(schedule
);
8895 uset
= isl_schedule_get_domain(schedule
);
8896 umap1
= isl_union_map_intersect_domain(umap1
, uset
);
8897 isl_schedule_free(schedule
);
8899 node
= isl_schedule_node_parent(node
);
8900 node
= isl_schedule_node_parent(node
);
8901 id
= isl_id_alloc(ctx
, "group1", NULL
);
8902 node
= isl_schedule_node_group(node
, id
);
8903 node
= isl_schedule_node_child(node
, 1);
8904 node
= isl_schedule_node_child(node
, 0);
8905 id
= isl_id_alloc(ctx
, "group2", NULL
);
8906 node
= isl_schedule_node_group(node
, id
);
8908 schedule
= isl_schedule_node_get_schedule(node
);
8909 umap2
= isl_schedule_get_map(schedule
);
8910 isl_schedule_free(schedule
);
8912 node
= isl_schedule_node_root(node
);
8913 node
= isl_schedule_node_child(node
, 0);
8914 expansion1
= isl_schedule_node_get_subtree_expansion(node
);
8915 isl_schedule_node_free(node
);
8917 str
= "{ group1[i] -> S1[i,j] : 0 <= i,j < 10; "
8918 "group1[i] -> S2[i,j] : 0 <= i,j < 10; "
8919 "group1[i] -> S3[i,j] : 0 <= i,j < 10 }";
8921 expansion2
= isl_union_map_read_from_str(ctx
, str
);
8923 equal
= isl_union_map_is_equal(umap1
, umap2
);
8924 equal_expansion
= isl_union_map_is_equal(expansion1
, expansion2
);
8926 isl_union_map_free(umap1
);
8927 isl_union_map_free(umap2
);
8928 isl_union_map_free(expansion1
);
8929 isl_union_map_free(expansion2
);
8931 if (equal
< 0 || equal_expansion
< 0)
8934 isl_die(ctx
, isl_error_unknown
,
8935 "expressions not equal", return -1);
8936 if (!equal_expansion
)
8937 isl_die(ctx
, isl_error_unknown
,
8938 "unexpected expansion", return -1);
8943 /* Some tests for the isl_schedule_node_group function.
8945 static int test_schedule_tree_group(isl_ctx
*ctx
)
8947 if (test_schedule_tree_group_1(ctx
) < 0)
8949 if (test_schedule_tree_group_2(ctx
) < 0)
8958 { "{ rat: [i] : 0 <= i <= 10 }",
8959 "{ rat: coefficients[[cst] -> [a]] : cst >= 0 and 10a + cst >= 0 }" },
8960 { "{ rat: [i] : FALSE }",
8961 "{ rat: coefficients[[cst] -> [a]] }" },
8963 "{ rat: coefficients[[cst] -> [0]] : cst >= 0 }" },
8970 { "{ rat: coefficients[[cst] -> [a]] : cst >= 0 and 10a + cst >= 0 }",
8971 "{ rat: [i] : 0 <= i <= 10 }" },
8972 { "{ rat: coefficients[[cst] -> [a]] : FALSE }",
8974 { "{ rat: coefficients[[cst] -> [a]] }",
8975 "{ rat: [i] : FALSE }" },
8978 /* Test the basic functionality of isl_basic_set_coefficients and
8979 * isl_basic_set_solutions.
8981 static int test_dual(isl_ctx
*ctx
)
8985 for (i
= 0; i
< ARRAY_SIZE(coef_tests
); ++i
) {
8987 isl_basic_set
*bset1
, *bset2
;
8989 bset1
= isl_basic_set_read_from_str(ctx
, coef_tests
[i
].set
);
8990 bset2
= isl_basic_set_read_from_str(ctx
, coef_tests
[i
].dual
);
8991 bset1
= isl_basic_set_coefficients(bset1
);
8992 equal
= isl_basic_set_is_equal(bset1
, bset2
);
8993 isl_basic_set_free(bset1
);
8994 isl_basic_set_free(bset2
);
8998 isl_die(ctx
, isl_error_unknown
,
8999 "incorrect dual", return -1);
9002 for (i
= 0; i
< ARRAY_SIZE(sol_tests
); ++i
) {
9004 isl_basic_set
*bset1
, *bset2
;
9006 bset1
= isl_basic_set_read_from_str(ctx
, sol_tests
[i
].set
);
9007 bset2
= isl_basic_set_read_from_str(ctx
, sol_tests
[i
].dual
);
9008 bset1
= isl_basic_set_solutions(bset1
);
9009 equal
= isl_basic_set_is_equal(bset1
, bset2
);
9010 isl_basic_set_free(bset1
);
9011 isl_basic_set_free(bset2
);
9015 isl_die(ctx
, isl_error_unknown
,
9016 "incorrect dual", return -1);
9026 const char *schedule
;
9031 { 0, 0, "[n] -> { S[i,j] : 0 <= i,j < n }",
9032 "[{ S[i,j] -> [i] }, { S[i,j] -> [j] }]",
9034 "[{ S[i,j] -> [floor(i/32)] }, { S[i,j] -> [floor(j/32)] }]",
9035 "[{ S[i,j] -> [i] }, { S[i,j] -> [j] }]",
9037 { 1, 0, "[n] -> { S[i,j] : 0 <= i,j < n }",
9038 "[{ S[i,j] -> [i] }, { S[i,j] -> [j] }]",
9040 "[{ S[i,j] -> [32*floor(i/32)] }, { S[i,j] -> [32*floor(j/32)] }]",
9041 "[{ S[i,j] -> [i] }, { S[i,j] -> [j] }]",
9043 { 0, 1, "[n] -> { S[i,j] : 0 <= i,j < n }",
9044 "[{ S[i,j] -> [i] }, { S[i,j] -> [j] }]",
9046 "[{ S[i,j] -> [floor(i/32)] }, { S[i,j] -> [floor(j/32)] }]",
9047 "[{ S[i,j] -> [i%32] }, { S[i,j] -> [j%32] }]",
9049 { 1, 1, "[n] -> { S[i,j] : 0 <= i,j < n }",
9050 "[{ S[i,j] -> [i] }, { S[i,j] -> [j] }]",
9052 "[{ S[i,j] -> [32*floor(i/32)] }, { S[i,j] -> [32*floor(j/32)] }]",
9053 "[{ S[i,j] -> [i%32] }, { S[i,j] -> [j%32] }]",
9057 /* Basic tiling tests. Create a schedule tree with a domain and a band node,
9058 * tile the band and then check if the tile and point bands have the
9059 * expected partial schedule.
9061 static int test_tile(isl_ctx
*ctx
)
9067 scale
= isl_options_get_tile_scale_tile_loops(ctx
);
9068 shift
= isl_options_get_tile_shift_point_loops(ctx
);
9070 for (i
= 0; i
< ARRAY_SIZE(tile_tests
); ++i
) {
9074 isl_union_set
*domain
;
9075 isl_multi_union_pw_aff
*mupa
, *mupa2
;
9076 isl_schedule_node
*node
;
9077 isl_multi_val
*sizes
;
9079 opt
= tile_tests
[i
].scale_tile
;
9080 isl_options_set_tile_scale_tile_loops(ctx
, opt
);
9081 opt
= tile_tests
[i
].shift_point
;
9082 isl_options_set_tile_shift_point_loops(ctx
, opt
);
9084 str
= tile_tests
[i
].domain
;
9085 domain
= isl_union_set_read_from_str(ctx
, str
);
9086 node
= isl_schedule_node_from_domain(domain
);
9087 node
= isl_schedule_node_child(node
, 0);
9088 str
= tile_tests
[i
].schedule
;
9089 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
, str
);
9090 node
= isl_schedule_node_insert_partial_schedule(node
, mupa
);
9091 str
= tile_tests
[i
].sizes
;
9092 sizes
= isl_multi_val_read_from_str(ctx
, str
);
9093 node
= isl_schedule_node_band_tile(node
, sizes
);
9095 str
= tile_tests
[i
].tile
;
9096 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
, str
);
9097 mupa2
= isl_schedule_node_band_get_partial_schedule(node
);
9098 equal
= isl_multi_union_pw_aff_plain_is_equal(mupa
, mupa2
);
9099 isl_multi_union_pw_aff_free(mupa
);
9100 isl_multi_union_pw_aff_free(mupa2
);
9102 node
= isl_schedule_node_child(node
, 0);
9104 str
= tile_tests
[i
].point
;
9105 mupa
= isl_multi_union_pw_aff_read_from_str(ctx
, str
);
9106 mupa2
= isl_schedule_node_band_get_partial_schedule(node
);
9107 if (equal
>= 0 && equal
)
9108 equal
= isl_multi_union_pw_aff_plain_is_equal(mupa
,
9110 isl_multi_union_pw_aff_free(mupa
);
9111 isl_multi_union_pw_aff_free(mupa2
);
9113 isl_schedule_node_free(node
);
9118 isl_die(ctx
, isl_error_unknown
,
9119 "unexpected result", return -1);
9122 isl_options_set_tile_scale_tile_loops(ctx
, scale
);
9123 isl_options_set_tile_shift_point_loops(ctx
, shift
);
9128 /* Check that the domain hash of a space is equal to the hash
9129 * of the domain of the space.
9131 static int test_domain_hash(isl_ctx
*ctx
)
9135 uint32_t hash1
, hash2
;
9137 map
= isl_map_read_from_str(ctx
, "[n] -> { A[B[x] -> C[]] -> D[] }");
9138 space
= isl_map_get_space(map
);
9140 hash1
= isl_space_get_domain_hash(space
);
9141 space
= isl_space_domain(space
);
9142 hash2
= isl_space_get_hash(space
);
9143 isl_space_free(space
);
9148 isl_die(ctx
, isl_error_unknown
,
9149 "domain hash not equal to hash of domain", return -1);
9154 /* Check that a universe basic set that is not obviously equal to the universe
9155 * is still recognized as being equal to the universe.
9157 static int test_universe(isl_ctx
*ctx
)
9160 isl_basic_set
*bset
;
9163 s
= "{ [] : exists x, y : 3y <= 2x and y >= -3 + 2x and 2y >= 2 - x }";
9164 bset
= isl_basic_set_read_from_str(ctx
, s
);
9165 is_univ
= isl_basic_set_is_universe(bset
);
9166 isl_basic_set_free(bset
);
9171 isl_die(ctx
, isl_error_unknown
,
9172 "not recognized as universe set", return -1);
9177 /* Sets for which chambers are computed and checked.
9179 const char *chambers_tests
[] = {
9180 "[A, B, C] -> { [x, y, z] : x >= 0 and y >= 0 and y <= A - x and "
9181 "z >= 0 and z <= C - y and z <= B - x - y }",
9184 /* Add the domain of "cell" to "cells".
9186 static isl_stat
add_cell(__isl_take isl_cell
*cell
, void *user
)
9188 isl_basic_set_list
**cells
= user
;
9191 dom
= isl_cell_get_domain(cell
);
9192 isl_cell_free(cell
);
9193 *cells
= isl_basic_set_list_add(*cells
, dom
);
9195 return *cells
? isl_stat_ok
: isl_stat_error
;
9198 /* Check that the elements of "list" are pairwise disjoint.
9200 static isl_stat
check_pairwise_disjoint(__isl_keep isl_basic_set_list
*list
)
9205 n
= isl_basic_set_list_n_basic_set(list
);
9207 return isl_stat_error
;
9209 for (i
= 0; i
< n
; ++i
) {
9210 isl_basic_set
*bset_i
;
9212 bset_i
= isl_basic_set_list_get_basic_set(list
, i
);
9213 for (j
= i
+ 1; j
< n
; ++j
) {
9214 isl_basic_set
*bset_j
;
9217 bset_j
= isl_basic_set_list_get_basic_set(list
, j
);
9218 disjoint
= isl_basic_set_is_disjoint(bset_i
, bset_j
);
9219 isl_basic_set_free(bset_j
);
9221 isl_die(isl_basic_set_list_get_ctx(list
),
9222 isl_error_unknown
, "not disjoint",
9224 if (disjoint
< 0 || !disjoint
)
9227 isl_basic_set_free(bset_i
);
9229 return isl_stat_error
;
9235 /* Check that the chambers computed by isl_vertices_foreach_disjoint_cell
9236 * are pairwise disjoint.
9238 static int test_chambers(isl_ctx
*ctx
)
9242 for (i
= 0; i
< ARRAY_SIZE(chambers_tests
); ++i
) {
9243 isl_basic_set
*bset
;
9244 isl_vertices
*vertices
;
9245 isl_basic_set_list
*cells
;
9248 bset
= isl_basic_set_read_from_str(ctx
, chambers_tests
[i
]);
9249 vertices
= isl_basic_set_compute_vertices(bset
);
9250 cells
= isl_basic_set_list_alloc(ctx
, 0);
9251 if (isl_vertices_foreach_disjoint_cell(vertices
, &add_cell
,
9253 cells
= isl_basic_set_list_free(cells
);
9254 ok
= check_pairwise_disjoint(cells
);
9255 isl_basic_set_list_free(cells
);
9256 isl_vertices_free(vertices
);
9257 isl_basic_set_free(bset
);
9268 int (*fn
)(isl_ctx
*ctx
);
9270 { "universe", &test_universe
},
9271 { "domain hash", &test_domain_hash
},
9272 { "dual", &test_dual
},
9273 { "dependence analysis", &test_flow
},
9274 { "val", &test_val
},
9275 { "compute divs", &test_compute_divs
},
9276 { "partial lexmin", &test_partial_lexmin
},
9277 { "simplify", &test_simplify
},
9278 { "curry", &test_curry
},
9279 { "piecewise multi affine expressions", &test_pw_multi_aff
},
9280 { "multi piecewise affine expressions", &test_multi_pw_aff
},
9281 { "conversion", &test_conversion
},
9282 { "list", &test_list
},
9283 { "align parameters", &test_align_parameters
},
9284 { "drop unused parameters", &test_drop_unused_parameters
},
9285 { "preimage", &test_preimage
},
9286 { "pullback", &test_pullback
},
9287 { "AST", &test_ast
},
9288 { "AST build", &test_ast_build
},
9289 { "AST generation", &test_ast_gen
},
9290 { "eliminate", &test_eliminate
},
9291 { "residue class", &test_residue_class
},
9292 { "div", &test_div
},
9293 { "slice", &test_slice
},
9294 { "fixed power", &test_fixed_power
},
9295 { "sample", &test_sample
},
9296 { "output", &test_output
},
9297 { "vertices", &test_vertices
},
9298 { "chambers", &test_chambers
},
9299 { "fixed", &test_fixed
},
9300 { "equal", &test_equal
},
9301 { "disjoint", &test_disjoint
},
9302 { "product", &test_product
},
9303 { "dim_max", &test_dim_max
},
9304 { "affine", &test_aff
},
9305 { "injective", &test_injective
},
9306 { "schedule (whole component)", &test_schedule_whole
},
9307 { "schedule (incremental)", &test_schedule_incremental
},
9308 { "schedule tree", &test_schedule_tree
},
9309 { "schedule tree prefix", &test_schedule_tree_prefix
},
9310 { "schedule tree grouping", &test_schedule_tree_group
},
9311 { "tile", &test_tile
},
9312 { "union_pw", &test_union_pw
},
9313 { "locus", &test_locus
},
9314 { "eval", &test_eval
},
9315 { "parse", &test_parse
},
9316 { "single-valued", &test_sv
},
9317 { "affine hull", &test_affine_hull
},
9318 { "simple_hull", &test_simple_hull
},
9319 { "coalesce", &test_coalesce
},
9320 { "factorize", &test_factorize
},
9321 { "subset", &test_subset
},
9322 { "subtract", &test_subtract
},
9323 { "intersect", &test_intersect
},
9324 { "lexmin", &test_lexmin
},
9325 { "min", &test_min
},
9326 { "gist", &test_gist
},
9327 { "piecewise quasi-polynomials", &test_pwqp
},
9328 { "lift", &test_lift
},
9329 { "bound", &test_bound
},
9330 { "get lists", &test_get_list
},
9331 { "union", &test_union
},
9332 { "split periods", &test_split_periods
},
9333 { "lexicographic order", &test_lex
},
9334 { "bijectivity", &test_bijective
},
9335 { "dataflow analysis", &test_dep
},
9336 { "reading", &test_read
},
9337 { "bounded", &test_bounded
},
9338 { "construction", &test_construction
},
9339 { "dimension manipulation", &test_dim
},
9340 { "map application", &test_application
},
9341 { "convex hull", &test_convex_hull
},
9342 { "transitive closure", &test_closure
},
9343 { "isl_bool", &test_isl_bool
},
9346 int main(int argc
, char **argv
)
9349 struct isl_ctx
*ctx
;
9350 struct isl_options
*options
;
9352 options
= isl_options_new_with_defaults();
9354 argc
= isl_options_parse(options
, argc
, argv
, ISL_ARG_ALL
);
9356 ctx
= isl_ctx_alloc_with_options(&isl_options_args
, options
);
9357 for (i
= 0; i
< ARRAY_SIZE(tests
); ++i
) {
9358 printf("%s\n", tests
[i
].name
);
9359 if (tests
[i
].fn(ctx
) < 0)