2 * Copyright 2008-2009 Katholieke Universiteit Leuven
4 * Use of this software is governed by the MIT license
6 * Written by Sven Verdoolaege, K.U.Leuven, Departement
7 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
10 #ifndef ISL_MAP_PRIVATE_H
11 #define ISL_MAP_PRIVATE_H
13 #define isl_basic_set isl_basic_map
14 #define isl_set isl_map
15 #define isl_basic_set_list isl_basic_map_list
18 #include <isl_reordering.h>
21 /* A "basic map" is a relation between two sets of variables,
22 * called the "in" and "out" variables.
23 * A "basic set" is a basic map with a zero-dimensional
26 * It is implemented as a set with two extra fields:
27 * n_in is the number of in variables
28 * n_out is the number of out variables
29 * n_in + n_out should be equal to set.dim
31 struct isl_basic_map {
33 #define ISL_BASIC_MAP_FINAL (1 << 0)
34 #define ISL_BASIC_MAP_EMPTY (1 << 1)
35 #define ISL_BASIC_MAP_NO_IMPLICIT (1 << 2)
36 #define ISL_BASIC_MAP_NO_REDUNDANT (1 << 3)
37 #define ISL_BASIC_MAP_RATIONAL (1 << 4)
38 #define ISL_BASIC_MAP_NORMALIZED (1 << 5)
39 #define ISL_BASIC_MAP_NORMALIZED_DIVS (1 << 6)
40 #define ISL_BASIC_MAP_ALL_EQUALITIES (1 << 7)
41 #define ISL_BASIC_SET_FINAL (1 << 0)
42 #define ISL_BASIC_SET_EMPTY (1 << 1)
43 #define ISL_BASIC_SET_NO_IMPLICIT (1 << 2)
44 #define ISL_BASIC_SET_NO_REDUNDANT (1 << 3)
45 #define ISL_BASIC_SET_RATIONAL (1 << 4)
46 #define ISL_BASIC_SET_NORMALIZED (1 << 5)
47 #define ISL_BASIC_SET_NORMALIZED_DIVS (1 << 6)
48 #define ISL_BASIC_SET_ALL_EQUALITIES (1 << 7)
67 struct isl_vec *sample;
70 struct isl_blk block2;
73 /* A "map" is a (possibly disjoint) union of basic maps.
74 * A "set" is a (possibly disjoint) union of basic sets.
76 * Currently, the isl_set structure is identical to the isl_map structure
77 * and the library depends on this correspondence internally.
78 * However, users should not depend on this correspondence.
82 #define ISL_MAP_DISJOINT (1 << 0)
83 #define ISL_MAP_NORMALIZED (1 << 1)
84 #define ISL_SET_DISJOINT (1 << 0)
85 #define ISL_SET_NORMALIZED (1 << 1)
95 struct isl_basic_map *p[1];
98 __isl_give isl_map *isl_map_realign(__isl_take isl_map *map,
99 __isl_take isl_reordering *r);
100 __isl_give isl_set *isl_set_realign(__isl_take isl_set *set,
101 __isl_take isl_reordering *r);
103 __isl_give isl_map *isl_map_reset(__isl_take isl_map *map,
104 enum isl_dim_type type);
106 __isl_give isl_basic_set *isl_basic_set_reset_space(
107 __isl_take isl_basic_set *bset, __isl_take isl_space *dim);
108 __isl_give isl_basic_map *isl_basic_map_reset_space(
109 __isl_take isl_basic_map *bmap, __isl_take isl_space *dim);
110 __isl_give isl_map *isl_map_reset_space(__isl_take isl_map *map,
111 __isl_take isl_space *dim);
113 unsigned isl_basic_map_offset(struct isl_basic_map *bmap,
114 enum isl_dim_type type);
115 unsigned isl_basic_set_offset(struct isl_basic_set *bset,
116 enum isl_dim_type type);
118 int isl_basic_map_may_be_set(__isl_keep isl_basic_map *bmap);
119 int isl_map_may_be_set(__isl_keep isl_map *map);
120 int isl_map_compatible_domain(struct isl_map *map, struct isl_set *set);
121 int isl_basic_map_compatible_domain(struct isl_basic_map *bmap,
122 struct isl_basic_set *bset);
123 int isl_basic_map_compatible_range(struct isl_basic_map *bmap,
124 struct isl_basic_set *bset);
126 struct isl_basic_map *isl_basic_map_extend_space(struct isl_basic_map *base,
127 __isl_take isl_space *dim, unsigned extra,
128 unsigned n_eq, unsigned n_ineq);
129 struct isl_basic_set *isl_basic_set_extend_space(struct isl_basic_set *base,
130 __isl_take isl_space *dim, unsigned extra,
131 unsigned n_eq, unsigned n_ineq);
132 struct isl_basic_set *isl_basic_set_add_constraints(struct isl_basic_set *bset1,
133 struct isl_basic_set *bset2, unsigned pos);
135 struct isl_map *isl_map_grow(struct isl_map *map, int n);
136 struct isl_set *isl_set_grow(struct isl_set *set, int n);
138 int isl_basic_set_contains(struct isl_basic_set *bset, struct isl_vec *vec);
139 int isl_basic_map_contains(struct isl_basic_map *bmap, struct isl_vec *vec);
141 __isl_give isl_basic_set *isl_basic_set_alloc_space(__isl_take isl_space *dim,
142 unsigned extra, unsigned n_eq, unsigned n_ineq);
143 __isl_give isl_set *isl_set_alloc_space(__isl_take isl_space *dim, int n,
145 __isl_give isl_basic_map *isl_basic_map_alloc_space(__isl_take isl_space *dim,
146 unsigned extra, unsigned n_eq, unsigned n_ineq);
147 __isl_give isl_map *isl_map_alloc_space(__isl_take isl_space *dim, int n,
150 unsigned isl_basic_map_total_dim(const struct isl_basic_map *bmap);
152 int isl_basic_map_alloc_equality(struct isl_basic_map *bmap);
153 int isl_basic_set_alloc_equality(struct isl_basic_set *bset);
154 int isl_basic_set_free_inequality(struct isl_basic_set *bset, unsigned n);
155 int isl_basic_map_free_equality(struct isl_basic_map *bmap, unsigned n);
156 int isl_basic_set_free_equality(struct isl_basic_set *bset, unsigned n);
157 int isl_basic_set_alloc_inequality(struct isl_basic_set *bset);
158 int isl_basic_map_alloc_inequality(struct isl_basic_map *bmap);
159 int isl_basic_map_free_inequality(struct isl_basic_map *bmap, unsigned n);
160 int isl_basic_map_alloc_div(struct isl_basic_map *bmap);
161 int isl_basic_set_alloc_div(struct isl_basic_set *bset);
162 int isl_basic_map_free_div(struct isl_basic_map *bmap, unsigned n);
163 int isl_basic_set_free_div(struct isl_basic_set *bset, unsigned n);
164 void isl_basic_map_inequality_to_equality(
165 struct isl_basic_map *bmap, unsigned pos);
166 int isl_basic_map_drop_equality(struct isl_basic_map *bmap, unsigned pos);
167 int isl_basic_set_drop_equality(struct isl_basic_set *bset, unsigned pos);
168 int isl_basic_set_drop_inequality(struct isl_basic_set *bset, unsigned pos);
169 int isl_basic_map_drop_inequality(struct isl_basic_map *bmap, unsigned pos);
170 __isl_give isl_basic_set *isl_basic_set_add_eq(__isl_take isl_basic_set *bset,
172 __isl_give isl_basic_map *isl_basic_map_add_eq(__isl_take isl_basic_map *bmap,
174 __isl_give isl_basic_set *isl_basic_set_add_ineq(__isl_take isl_basic_set *bset,
176 __isl_give isl_basic_map *isl_basic_map_add_ineq(__isl_take isl_basic_map *bmap,
179 int isl_inequality_negate(struct isl_basic_map *bmap, unsigned pos);
181 struct isl_basic_set *isl_basic_set_cow(struct isl_basic_set *bset);
182 struct isl_basic_map *isl_basic_map_cow(struct isl_basic_map *bmap);
183 struct isl_set *isl_set_cow(struct isl_set *set);
184 struct isl_map *isl_map_cow(struct isl_map *map);
186 struct isl_basic_map *isl_basic_map_set_to_empty(struct isl_basic_map *bmap);
187 struct isl_basic_set *isl_basic_set_set_to_empty(struct isl_basic_set *bset);
188 struct isl_basic_set *isl_basic_set_order_divs(struct isl_basic_set *bset);
189 void isl_basic_map_swap_div(struct isl_basic_map *bmap, int a, int b);
190 struct isl_basic_map *isl_basic_map_order_divs(struct isl_basic_map *bmap);
191 __isl_give isl_map *isl_map_order_divs(__isl_take isl_map *map);
192 struct isl_basic_map *isl_basic_map_align_divs(
193 struct isl_basic_map *dst, struct isl_basic_map *src);
194 struct isl_basic_set *isl_basic_set_align_divs(
195 struct isl_basic_set *dst, struct isl_basic_set *src);
196 __isl_give isl_basic_map *isl_basic_map_sort_divs(
197 __isl_take isl_basic_map *bmap);
198 __isl_give isl_map *isl_map_sort_divs(__isl_take isl_map *map);
199 struct isl_basic_map *isl_basic_map_gauss(
200 struct isl_basic_map *bmap, int *progress);
201 struct isl_basic_set *isl_basic_set_gauss(
202 struct isl_basic_set *bset, int *progress);
203 __isl_give isl_basic_set *isl_basic_set_sort_constraints(
204 __isl_take isl_basic_set *bset);
205 int isl_basic_map_plain_cmp(const __isl_keep isl_basic_map *bmap1,
206 const __isl_keep isl_basic_map *bmap2);
207 int isl_basic_set_plain_is_equal(__isl_keep isl_basic_set *bset1,
208 __isl_keep isl_basic_set *bset2);
209 int isl_basic_map_plain_is_equal(__isl_keep isl_basic_map *bmap1,
210 __isl_keep isl_basic_map *bmap2);
211 struct isl_basic_map *isl_basic_map_normalize_constraints(
212 struct isl_basic_map *bmap);
213 struct isl_basic_set *isl_basic_set_normalize_constraints(
214 struct isl_basic_set *bset);
215 struct isl_basic_map *isl_basic_map_implicit_equalities(
216 struct isl_basic_map *bmap);
217 struct isl_basic_set *isl_basic_map_underlying_set(struct isl_basic_map *bmap);
218 __isl_give isl_basic_set *isl_basic_set_underlying_set(
219 __isl_take isl_basic_set *bset);
220 struct isl_set *isl_map_underlying_set(struct isl_map *map);
221 struct isl_basic_map *isl_basic_map_overlying_set(struct isl_basic_set *bset,
222 struct isl_basic_map *like);
223 __isl_give isl_basic_set *isl_basic_set_drop_constraints_involving(
224 __isl_take isl_basic_set *bset, unsigned first, unsigned n);
225 __isl_give isl_basic_set *isl_basic_set_drop(__isl_take isl_basic_set *bset,
226 enum isl_dim_type type, unsigned first, unsigned n);
227 struct isl_basic_map *isl_basic_map_drop(struct isl_basic_map *bmap,
228 enum isl_dim_type type, unsigned first, unsigned n);
229 struct isl_set *isl_set_drop(struct isl_set *set,
230 enum isl_dim_type type, unsigned first, unsigned n);
231 struct isl_basic_set *isl_basic_set_drop_dims(
232 struct isl_basic_set *bset, unsigned first, unsigned n);
233 struct isl_set *isl_set_drop_dims(
234 struct isl_set *set, unsigned first, unsigned n);
235 struct isl_map *isl_map_drop_inputs(
236 struct isl_map *map, unsigned first, unsigned n);
237 struct isl_map *isl_map_drop(struct isl_map *map,
238 enum isl_dim_type type, unsigned first, unsigned n);
240 struct isl_map *isl_map_remove_empty_parts(struct isl_map *map);
241 struct isl_set *isl_set_remove_empty_parts(struct isl_set *set);
243 struct isl_set *isl_set_normalize(struct isl_set *set);
245 struct isl_set *isl_set_drop_vars(
246 struct isl_set *set, unsigned first, unsigned n);
248 struct isl_basic_map *isl_basic_map_eliminate_vars(
249 struct isl_basic_map *bmap, unsigned pos, unsigned n);
250 struct isl_basic_set *isl_basic_set_eliminate_vars(
251 struct isl_basic_set *bset, unsigned pos, unsigned n);
253 __isl_give isl_map *isl_map_eliminate(__isl_take isl_map *map,
254 enum isl_dim_type type, unsigned first, unsigned n);
255 __isl_give isl_set *isl_set_eliminate(__isl_take isl_set *set,
256 enum isl_dim_type type, unsigned first, unsigned n);
258 int isl_basic_set_constraint_is_redundant(struct isl_basic_set **bset,
259 isl_int *c, isl_int *opt_n, isl_int *opt_d);
261 int isl_basic_map_add_div_constraints(struct isl_basic_map *bmap, unsigned div);
262 struct isl_basic_map *isl_basic_map_drop_redundant_divs(
263 struct isl_basic_map *bmap);
264 struct isl_basic_set *isl_basic_set_drop_redundant_divs(
265 struct isl_basic_set *bset);
267 struct isl_basic_set *isl_basic_set_recession_cone(struct isl_basic_set *bset);
268 struct isl_basic_set *isl_basic_set_lineality_space(struct isl_basic_set *bset);
270 struct isl_basic_set *isl_basic_set_set_rational(struct isl_basic_set *bset);
271 __isl_give isl_set *isl_set_set_rational(__isl_take isl_set *set);
272 __isl_give isl_basic_map *isl_basic_map_set_rational(
273 __isl_take isl_basic_map *bmap);
274 __isl_give isl_map *isl_map_set_rational(__isl_take isl_map *map);
276 int isl_map_has_rational(__isl_keep isl_map *map);
277 int isl_set_has_rational(__isl_keep isl_set *set);
281 struct isl_basic_set *isl_basic_set_preimage(struct isl_basic_set *bset,
282 struct isl_mat *mat);
283 struct isl_set *isl_set_preimage(struct isl_set *set, struct isl_mat *mat);
285 __isl_give isl_basic_set *isl_basic_set_transform_dims(
286 __isl_take isl_basic_set *bset, enum isl_dim_type type, unsigned first,
287 __isl_take isl_mat *trans);
289 isl_int *isl_set_wrap_facet(__isl_keep isl_set *set,
290 isl_int *facet, isl_int *ridge);
292 int isl_basic_map_contains_point(__isl_keep isl_basic_map *bmap,
293 __isl_keep isl_point *point);
294 int isl_set_contains_point(__isl_keep isl_set *set, __isl_keep isl_point *point);
296 int isl_basic_set_vars_get_sign(__isl_keep isl_basic_set *bset,
297 unsigned first, unsigned n, int *signs);
298 int isl_set_foreach_orthant(__isl_keep isl_set *set,
299 int (*fn)(__isl_take isl_set *orthant, int *signs, void *user),
302 int isl_basic_map_add_div_constraints_var(__isl_keep isl_basic_map *bmap,
303 unsigned pos, isl_int *div);
304 int isl_basic_set_add_div_constraints_var(__isl_keep isl_basic_set *bset,
305 unsigned pos, isl_int *div);
306 int isl_basic_map_is_div_constraint(__isl_keep isl_basic_map *bmap,
307 isl_int *constraint, unsigned div);
308 int isl_basic_set_is_div_constraint(__isl_keep isl_basic_set *bset,
309 isl_int *constraint, unsigned div);
311 __isl_give isl_basic_set *isl_basic_set_from_local_space(
312 __isl_take isl_local_space *ls);
313 __isl_give isl_basic_map *isl_basic_map_from_local_space(
314 __isl_take isl_local_space *ls);
315 __isl_give isl_basic_set *isl_basic_set_expand_divs(
316 __isl_take isl_basic_set *bset, __isl_take isl_mat *div, int *exp);
318 int isl_basic_map_divs_known(__isl_keep isl_basic_map *bmap);
319 __isl_give isl_mat *isl_basic_map_get_divs(__isl_keep isl_basic_map *bmap);
321 __isl_give isl_map *isl_map_inline_foreach_basic_map(__isl_take isl_map *map,
322 __isl_give isl_basic_map *(*fn)(__isl_take isl_basic_map *bmap));
324 __isl_give isl_map *isl_map_align_params_map_map_and(
325 __isl_take isl_map *map1, __isl_take isl_map *map2,
326 __isl_give isl_map *(*fn)(__isl_take isl_map *map1,
327 __isl_take isl_map *map2));
328 int isl_map_align_params_map_map_and_test(__isl_keep isl_map *map1,
329 __isl_keep isl_map *map2,
330 int (*fn)(__isl_keep isl_map *map1, __isl_keep isl_map *map2));
332 int isl_basic_map_foreach_lexopt(__isl_keep isl_basic_map *bmap, int max,
333 int (*fn)(__isl_take isl_basic_set *dom, __isl_take isl_aff_list *list,
336 int isl_basic_set_foreach_lexopt(__isl_keep isl_basic_set *bset, int max,
337 int (*fn)(__isl_take isl_basic_set *dom, __isl_take isl_aff_list *list,
341 __isl_give isl_set *isl_set_substitute(__isl_take isl_set *set,
342 enum isl_dim_type type, unsigned pos, __isl_keep isl_aff *subs);
344 __isl_give isl_set *isl_set_gist_params_basic_set(__isl_take isl_set *set,
345 __isl_take isl_basic_set *context);
347 int isl_map_compatible_range(__isl_keep isl_map *map, __isl_keep isl_set *set);
349 int isl_basic_map_plain_is_single_valued(__isl_keep isl_basic_map *bmap);
351 int isl_map_is_set(__isl_keep isl_map *map);