add isl_pw_*_plain_is_equal
[isl.git] / isl_map_private.h
blob1d396ac6e826662b8316db82289419bf8184e1d6
1 /*
2 * Copyright 2008-2009 Katholieke Universiteit Leuven
4 * Use of this software is governed by the GNU LGPLv2.1 license
6 * Written by Sven Verdoolaege, K.U.Leuven, Departement
7 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
8 */
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
16 #include <isl/set.h>
17 #include <isl/map.h>
18 #include <isl_reordering.h>
19 #include <isl/vec.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
24 * domain.
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 {
32 int ref;
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)
49 unsigned flags;
51 struct isl_ctx *ctx;
53 isl_space *dim;
54 unsigned extra;
56 unsigned n_eq;
57 unsigned n_ineq;
59 size_t c_size;
60 isl_int **eq;
61 isl_int **ineq;
63 unsigned n_div;
65 isl_int **div;
67 struct isl_vec *sample;
69 struct isl_blk block;
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.
80 struct isl_map {
81 int ref;
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)
86 unsigned flags;
88 struct isl_ctx *ctx;
90 isl_space *dim;
92 int n;
94 size_t size;
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,
144 unsigned flags);
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,
148 unsigned flags);
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,
171 isl_int *eq);
172 __isl_give isl_basic_map *isl_basic_map_add_eq(__isl_take isl_basic_map *bmap,
173 isl_int *eq);
174 __isl_give isl_basic_set *isl_basic_set_add_ineq(__isl_take isl_basic_set *bset,
175 isl_int *ineq);
176 __isl_give isl_basic_map *isl_basic_map_add_ineq(__isl_take isl_basic_map *bmap,
177 isl_int *ineq);
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 struct isl_basic_map *isl_basic_map_gauss(
197 struct isl_basic_map *bmap, int *progress);
198 struct isl_basic_set *isl_basic_set_gauss(
199 struct isl_basic_set *bset, int *progress);
200 __isl_give isl_basic_set *isl_basic_set_sort_constraints(
201 __isl_take isl_basic_set *bset);
202 int isl_basic_map_plain_cmp(const __isl_keep isl_basic_map *bmap1,
203 const __isl_keep isl_basic_map *bmap2);
204 int isl_set_plain_cmp(const __isl_keep isl_set *set1,
205 const __isl_keep isl_set *set2);
206 int isl_basic_set_plain_is_equal(__isl_keep isl_basic_set *bset1,
207 __isl_keep isl_basic_set *bset2);
208 int isl_basic_map_plain_is_equal(__isl_keep isl_basic_map *bmap1,
209 __isl_keep isl_basic_map *bmap2);
210 struct isl_basic_map *isl_basic_map_normalize_constraints(
211 struct isl_basic_map *bmap);
212 struct isl_basic_set *isl_basic_set_normalize_constraints(
213 struct isl_basic_set *bset);
214 struct isl_basic_map *isl_basic_map_implicit_equalities(
215 struct isl_basic_map *bmap);
216 struct isl_basic_set *isl_basic_map_underlying_set(struct isl_basic_map *bmap);
217 __isl_give isl_basic_set *isl_basic_set_underlying_set(
218 __isl_take isl_basic_set *bset);
219 struct isl_set *isl_map_underlying_set(struct isl_map *map);
220 struct isl_basic_map *isl_basic_map_overlying_set(struct isl_basic_set *bset,
221 struct isl_basic_map *like);
222 __isl_give isl_basic_set *isl_basic_set_drop_constraints_involving(
223 __isl_take isl_basic_set *bset, unsigned first, unsigned n);
224 __isl_give isl_basic_set *isl_basic_set_drop(__isl_take isl_basic_set *bset,
225 enum isl_dim_type type, unsigned first, unsigned n);
226 struct isl_basic_map *isl_basic_map_drop(struct isl_basic_map *bmap,
227 enum isl_dim_type type, unsigned first, unsigned n);
228 struct isl_set *isl_set_drop(struct isl_set *set,
229 enum isl_dim_type type, unsigned first, unsigned n);
230 struct isl_basic_set *isl_basic_set_drop_dims(
231 struct isl_basic_set *bset, unsigned first, unsigned n);
232 struct isl_set *isl_set_drop_dims(
233 struct isl_set *set, unsigned first, unsigned n);
234 struct isl_map *isl_map_drop_inputs(
235 struct isl_map *map, unsigned first, unsigned n);
236 struct isl_map *isl_map_drop(struct isl_map *map,
237 enum isl_dim_type type, unsigned first, unsigned n);
239 struct isl_map *isl_map_remove_empty_parts(struct isl_map *map);
240 struct isl_set *isl_set_remove_empty_parts(struct isl_set *set);
242 struct isl_set *isl_set_normalize(struct isl_set *set);
244 struct isl_set *isl_set_drop_vars(
245 struct isl_set *set, unsigned first, unsigned n);
247 struct isl_basic_map *isl_basic_map_eliminate_vars(
248 struct isl_basic_map *bmap, unsigned pos, unsigned n);
249 struct isl_basic_set *isl_basic_set_eliminate_vars(
250 struct isl_basic_set *bset, unsigned pos, unsigned n);
252 __isl_give isl_map *isl_map_eliminate(__isl_take isl_map *map,
253 enum isl_dim_type type, unsigned first, unsigned n);
254 __isl_give isl_set *isl_set_eliminate(__isl_take isl_set *set,
255 enum isl_dim_type type, unsigned first, unsigned n);
257 int isl_basic_set_constraint_is_redundant(struct isl_basic_set **bset,
258 isl_int *c, isl_int *opt_n, isl_int *opt_d);
260 int isl_basic_map_add_div_constraints(struct isl_basic_map *bmap, unsigned div);
261 struct isl_basic_map *isl_basic_map_drop_redundant_divs(
262 struct isl_basic_map *bmap);
263 struct isl_basic_set *isl_basic_set_drop_redundant_divs(
264 struct isl_basic_set *bset);
266 struct isl_basic_set *isl_basic_set_recession_cone(struct isl_basic_set *bset);
267 struct isl_basic_set *isl_basic_set_lineality_space(struct isl_basic_set *bset);
269 struct isl_basic_set *isl_basic_set_set_rational(struct isl_basic_set *bset);
270 __isl_give isl_basic_map *isl_basic_map_set_rational(
271 __isl_take isl_basic_map *bmap);
272 __isl_give isl_map *isl_map_set_rational(__isl_take isl_map *map);
274 struct isl_mat;
276 struct isl_basic_set *isl_basic_set_preimage(struct isl_basic_set *bset,
277 struct isl_mat *mat);
278 struct isl_set *isl_set_preimage(struct isl_set *set, struct isl_mat *mat);
280 __isl_give isl_basic_set *isl_basic_set_transform_dims(
281 __isl_take isl_basic_set *bset, enum isl_dim_type type, unsigned first,
282 __isl_take isl_mat *trans);
284 isl_int *isl_set_wrap_facet(__isl_keep isl_set *set,
285 isl_int *facet, isl_int *ridge);
287 int isl_basic_map_contains_point(__isl_keep isl_basic_map *bmap,
288 __isl_keep isl_point *point);
289 int isl_set_contains_point(__isl_keep isl_set *set, __isl_keep isl_point *point);
291 int isl_basic_set_vars_get_sign(__isl_keep isl_basic_set *bset,
292 unsigned first, unsigned n, int *signs);
293 int isl_set_foreach_orthant(__isl_keep isl_set *set,
294 int (*fn)(__isl_take isl_set *orthant, int *signs, void *user),
295 void *user);
297 int isl_basic_map_add_div_constraints_var(__isl_keep isl_basic_map *bmap,
298 unsigned pos, isl_int *div);
299 int isl_basic_set_add_div_constraints_var(__isl_keep isl_basic_set *bset,
300 unsigned pos, isl_int *div);
301 int isl_basic_map_is_div_constraint(__isl_keep isl_basic_map *bmap,
302 isl_int *constraint, unsigned div);
304 __isl_give isl_basic_set *isl_basic_set_from_local_space(
305 __isl_take isl_local_space *ls);
306 __isl_give isl_basic_map *isl_basic_map_from_local_space(
307 __isl_take isl_local_space *ls);
308 __isl_give isl_basic_set *isl_basic_set_expand_divs(
309 __isl_take isl_basic_set *bset, __isl_take isl_mat *div, int *exp);
311 int isl_basic_map_divs_known(__isl_keep isl_basic_map *bmap);
313 __isl_give isl_map *isl_map_inline_foreach_basic_map(__isl_take isl_map *map,
314 __isl_give isl_basic_map *(*fn)(__isl_take isl_basic_map *bmap));
316 __isl_give isl_map *isl_map_align_params_map_map_and(
317 __isl_take isl_map *map1, __isl_take isl_map *map2,
318 __isl_give isl_map *(*fn)(__isl_take isl_map *map1,
319 __isl_take isl_map *map2));
321 int isl_basic_set_foreach_lexopt(__isl_keep isl_basic_set *bset, int max,
322 int (*fn)(__isl_take isl_basic_set *dom, __isl_take isl_aff_list *list,
323 void *user),
324 void *user);
326 #endif