include/isl_set.h

   1 /*
   2  * Copyright 2008-2009 Katholieke Universiteit Leuven
   3  *
   4  * Use of this software is governed by the GNU LGPLv2.1 license
   5  *
   6  * Written by Sven Verdoolaege, K.U.Leuven, Departement
   7  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
   8  */
   9
  10 #ifndef ISL_SET_H
  11 #define ISL_SET_H
  12
  13 #include "isl_map.h"
  14 #include "isl_list.h"
  15 #include <isl_point.h>
  16
  17 #if defined(__cplusplus)
  18 extern "C" {
  19 #endif
  20
  21 /* A "basic set" is a basic map with a zero-dimensional
  22  * domain.
  23  */
  24 struct isl_basic_set {
  25         int ref;
  26 #define ISL_BASIC_SET_FINAL             (1 << 0)
  27 #define ISL_BASIC_SET_EMPTY             (1 << 1)
  28 #define ISL_BASIC_SET_NO_IMPLICIT       (1 << 2)
  29 #define ISL_BASIC_SET_NO_REDUNDANT      (1 << 3)
  30 #define ISL_BASIC_SET_RATIONAL          (1 << 4)
  31 #define ISL_BASIC_SET_NORMALIZED        (1 << 5)
  32 #define ISL_BASIC_SET_NORMALIZED_DIVS   (1 << 6)
  33 #define ISL_BASIC_SET_ALL_EQUALITIES    (1 << 7)
  34         unsigned flags;
  35
  36         struct isl_ctx *ctx;
  37
  38         struct isl_dim *dim;
  39         unsigned extra;
  40
  41         unsigned n_eq;
  42         unsigned n_ineq;
  43
  44         size_t c_size;
  45         isl_int **eq;
  46         isl_int **ineq;
  47
  48         unsigned n_div;
  49
  50         isl_int **div;
  51
  52         struct isl_vec *sample;
  53
  54         struct isl_blk block;
  55         struct isl_blk block2;
  56 };
  57
  58 /* A "set" is a (possibly disjoint) union of basic sets.
  59  *
  60  * See the documentation of isl_map.
  61  */
  62 struct isl_set {
  63         int ref;
  64 #define ISL_SET_DISJOINT                (1 << 0)
  65 #define ISL_SET_NORMALIZED              (1 << 1)
  66         unsigned flags;
  67
  68         struct isl_ctx *ctx;
  69
  70         struct isl_dim *dim;
  71
  72         int n;
  73
  74         size_t size;
  75         struct isl_basic_set *p[1];
  76 };
  77
  78 unsigned isl_basic_set_n_dim(const struct isl_basic_set *bset);
  79 unsigned isl_basic_set_n_param(const struct isl_basic_set *bset);
  80 unsigned isl_basic_set_total_dim(const struct isl_basic_set *bset);
  81 unsigned isl_basic_set_dim(const struct isl_basic_set *bset,
  82                                 enum isl_dim_type type);
  83
  84 unsigned isl_set_n_dim(const struct isl_set *set);
  85 unsigned isl_set_n_param(const struct isl_set *set);
  86 unsigned isl_set_dim(const struct isl_set *set, enum isl_dim_type type);
  87
  88 isl_ctx *isl_basic_set_get_ctx(__isl_keep isl_basic_set *bset);
  89 isl_ctx *isl_set_get_ctx(__isl_keep isl_set *set);
  90 __isl_give isl_dim *isl_basic_set_get_dim(__isl_keep isl_basic_set *bset);
  91 __isl_give isl_dim *isl_set_get_dim(__isl_keep isl_set *set);
  92
  93 __isl_give isl_set *isl_set_set_tuple_name(__isl_take isl_set *set,
  94         const char *s);
  95 __isl_give isl_basic_set *isl_basic_set_set_dim_name(
  96         __isl_take isl_basic_set *bset,
  97         enum isl_dim_type type, unsigned pos, const char *s);
  98 __isl_give isl_set *isl_set_set_dim_name(__isl_take isl_set *set,
  99         enum isl_dim_type type, unsigned pos, const char *s);
 100
 101 struct isl_basic_set *isl_basic_set_alloc(struct isl_ctx *ctx,
 102                 unsigned nparam, unsigned dim, unsigned extra,
 103                 unsigned n_eq, unsigned n_ineq);
 104 struct isl_basic_set *isl_basic_set_extend(struct isl_basic_set *base,
 105                 unsigned nparam, unsigned dim, unsigned extra,
 106                 unsigned n_eq, unsigned n_ineq);
 107 struct isl_basic_set *isl_basic_set_extend_constraints(
 108                 struct isl_basic_set *base, unsigned n_eq, unsigned n_ineq);
 109 struct isl_basic_set *isl_basic_set_finalize(struct isl_basic_set *bset);
 110 void isl_basic_set_free(__isl_take isl_basic_set *bset);
 111 __isl_give isl_basic_set *isl_basic_set_copy(__isl_keep isl_basic_set *bset);
 112 struct isl_basic_set *isl_basic_set_dup(struct isl_basic_set *bset);
 113 __isl_give isl_basic_set *isl_basic_set_empty(__isl_take isl_dim *dim);
 114 struct isl_basic_set *isl_basic_set_empty_like(struct isl_basic_set *bset);
 115 __isl_give isl_basic_set *isl_basic_set_universe(__isl_take isl_dim *dim);
 116 struct isl_basic_set *isl_basic_set_universe_like(struct isl_basic_set *bset);
 117 __isl_give isl_basic_set *isl_basic_set_universe_like_set(
 118         __isl_keep isl_set *model);
 119 struct isl_basic_set *isl_basic_set_interval(struct isl_ctx *ctx,
 120         isl_int min, isl_int max);
 121 struct isl_basic_set *isl_basic_set_positive_orthant(struct isl_dim *dims);
 122 void isl_basic_set_dump(__isl_keep isl_basic_set *bset,
 123                                 FILE *out, int indent);
 124 struct isl_basic_set *isl_basic_set_swap_vars(
 125                 struct isl_basic_set *bset, unsigned n);
 126 __isl_give isl_basic_set *isl_basic_set_intersect(
 127                 __isl_take isl_basic_set *bset1,
 128                 __isl_take isl_basic_set *bset2);
 129 __isl_give isl_basic_set *isl_basic_set_apply(
 130                 __isl_take isl_basic_set *bset,
 131                 __isl_take isl_basic_map *bmap);
 132 __isl_give isl_basic_set *isl_basic_set_affine_hull(
 133                 __isl_take isl_basic_set *bset);
 134 __isl_give isl_basic_set *isl_basic_set_remove(__isl_take isl_basic_set *bset,
 135         enum isl_dim_type type, unsigned first, unsigned n);
 136 struct isl_basic_set *isl_basic_set_simplify(struct isl_basic_set *bset);
 137 __isl_give isl_basic_set *isl_basic_set_detect_equalities(
 138                                                 __isl_take isl_basic_set *bset);
 139 struct isl_basic_set *isl_basic_set_product(struct isl_basic_set_list *list);
 140
 141 __isl_give isl_basic_set *isl_basic_set_read_from_file(isl_ctx *ctx,
 142                 FILE *input, int nparam);
 143 __isl_give isl_basic_set *isl_basic_set_read_from_str(isl_ctx *ctx,
 144                 const char *str, int nparam);
 145 __isl_give isl_set *isl_set_read_from_file(isl_ctx *ctx,
 146                 FILE *input, int nparam);
 147 __isl_give isl_set *isl_set_read_from_str(isl_ctx *ctx,
 148                 const char *str, int nparam);
 149 __isl_give isl_printer *isl_printer_print_basic_set(
 150         __isl_take isl_printer *printer, __isl_keep isl_basic_set *bset);
 151 __isl_give isl_printer *isl_printer_print_set(__isl_take isl_printer *printer,
 152         __isl_keep isl_set *map);
 153 void isl_basic_set_print(__isl_keep isl_basic_set *bset, FILE *out, int indent,
 154         const char *prefix, const char *suffix, unsigned output_format);
 155 void isl_set_print(__isl_keep struct isl_set *set, FILE *out, int indent,
 156         unsigned output_format);
 157 __isl_give isl_basic_set *isl_basic_set_fix(__isl_take isl_basic_set *bset,
 158                 enum isl_dim_type type, unsigned pos, isl_int value);
 159 struct isl_basic_set *isl_basic_set_fix_si(struct isl_basic_set *bset,
 160                 enum isl_dim_type type, unsigned pos, int value);
 161 __isl_give isl_set *isl_set_fix_si(__isl_take isl_set *set,
 162                 enum isl_dim_type type, unsigned pos, int value);
 163 __isl_give isl_set *isl_set_lower_bound_si(__isl_take isl_set *set,
 164                 enum isl_dim_type type, unsigned pos, int value);
 165
 166 struct isl_basic_set *isl_basic_set_from_underlying_set(
 167         struct isl_basic_set *bset, struct isl_basic_set *like);
 168 struct isl_set *isl_set_from_underlying_set(
 169         struct isl_set *set, struct isl_basic_set *like);
 170 struct isl_set *isl_set_to_underlying_set(struct isl_set *set);
 171
 172 int isl_basic_set_is_equal(
 173                 struct isl_basic_set *bset1, struct isl_basic_set *bset2);
 174
 175 __isl_give isl_set *isl_basic_set_partial_lexmin(
 176                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 177                 __isl_give isl_set **empty);
 178 __isl_give isl_set *isl_basic_set_partial_lexmax(
 179                 __isl_take isl_basic_set *bset, __isl_take isl_basic_set *dom,
 180                 __isl_give isl_set **empty);
 181 __isl_give isl_set *isl_set_partial_lexmin(
 182                 __isl_take isl_set *set, __isl_take isl_set *dom,
 183                 __isl_give isl_set **empty);
 184 __isl_give isl_set *isl_set_partial_lexmax(
 185                 __isl_take isl_set *set, __isl_take isl_set *dom,
 186                 __isl_give isl_set **empty);
 187 __isl_give isl_set *isl_basic_set_lexmin(__isl_take isl_basic_set *bset);
 188 __isl_give isl_set *isl_basic_set_lexmax(__isl_take isl_basic_set *bset);
 189 __isl_give isl_set *isl_set_lexmin(__isl_take isl_set *set);
 190 __isl_give isl_set *isl_set_lexmax(__isl_take isl_set *set);
 191 __isl_give isl_set *isl_basic_set_union(
 192                 __isl_take isl_basic_set *bset1,
 193                 __isl_take isl_basic_set *bset2);
 194
 195 int isl_basic_set_compare_at(struct isl_basic_set *bset1,
 196         struct isl_basic_set *bset2, int pos);
 197 int isl_set_follows_at(__isl_keep isl_set *set1,
 198         __isl_keep isl_set *set2, int pos);
 199
 200 int isl_basic_set_dims_get_sign(__isl_keep isl_basic_set *bset,
 201         enum isl_dim_type type, unsigned pos, unsigned n, int *signs);
 202
 203 int isl_basic_set_is_universe(__isl_keep isl_basic_set *bset);
 204 int isl_basic_set_fast_is_empty(__isl_keep isl_basic_set *bset);
 205 int isl_basic_set_is_empty(__isl_keep isl_basic_set *bset);
 206 int isl_basic_set_is_bounded(__isl_keep isl_basic_set *bset);
 207
 208 struct isl_set *isl_set_alloc(struct isl_ctx *ctx,
 209                 unsigned nparam, unsigned dim, int n, unsigned flags);
 210 struct isl_set *isl_set_extend(struct isl_set *base,
 211                 unsigned nparam, unsigned dim);
 212 __isl_give isl_set *isl_set_empty(__isl_take isl_dim *dim);
 213 struct isl_set *isl_set_empty_like(struct isl_set *set);
 214 __isl_give isl_set *isl_set_universe(__isl_take isl_dim *dim);
 215 __isl_give isl_set *isl_set_universe_like(__isl_keep isl_set *model);
 216 __isl_give isl_set *isl_set_add_basic_set(__isl_take isl_set *set,
 217                                                 __isl_take isl_basic_set *bset);
 218 struct isl_set *isl_set_finalize(struct isl_set *set);
 219 __isl_give isl_set *isl_set_copy(__isl_keep isl_set *set);
 220 void isl_set_free(__isl_take isl_set *set);
 221 struct isl_set *isl_set_dup(struct isl_set *set);
 222 __isl_give isl_set *isl_set_from_basic_set(__isl_take isl_basic_set *bset);
 223 __isl_give isl_basic_set *isl_set_sample(__isl_take isl_set *set);
 224 __isl_give isl_point *isl_set_sample_point(__isl_take isl_set *set);
 225 __isl_give isl_set *isl_set_detect_equalities(__isl_take isl_set *set);
 226 __isl_give isl_basic_set *isl_set_affine_hull(__isl_take isl_set *set);
 227 __isl_give isl_basic_set *isl_set_convex_hull(__isl_take isl_set *set);
 228 __isl_give isl_basic_set *isl_set_simple_hull(__isl_take isl_set *set);
 229 struct isl_basic_set *isl_set_bounded_simple_hull(struct isl_set *set);
 230 __isl_give isl_set *isl_set_recession_cone(__isl_take isl_set *set);
 231
 232 struct isl_set *isl_set_union_disjoint(
 233                         struct isl_set *set1, struct isl_set *set2);
 234 __isl_give isl_set *isl_set_union(
 235                 __isl_take isl_set *set1,
 236                 __isl_take isl_set *set2);
 237 struct isl_set *isl_set_product(struct isl_set *set1, struct isl_set *set2);
 238 __isl_give isl_set *isl_set_flat_product(__isl_take isl_set *set1,
 239         __isl_take isl_set *set2);
 240 __isl_give isl_set *isl_set_intersect(
 241                 __isl_take isl_set *set1,
 242                 __isl_take isl_set *set2);
 243 __isl_give isl_set *isl_set_subtract(
 244                 __isl_take isl_set *set1,
 245                 __isl_take isl_set *set2);
 246 __isl_give isl_set *isl_set_complement(__isl_take isl_set *set);
 247 __isl_give isl_set *isl_set_apply(
 248                 __isl_take isl_set *set,
 249                 __isl_take isl_map *map);
 250 __isl_give isl_set *isl_set_fix(__isl_take isl_set *set,
 251                 enum isl_dim_type type, unsigned pos, isl_int value);
 252 struct isl_set *isl_set_fix_dim_si(struct isl_set *set,
 253                 unsigned dim, int value);
 254 struct isl_set *isl_set_lower_bound_dim(struct isl_set *set,
 255                 unsigned dim, isl_int value);
 256 __isl_give isl_set *isl_set_insert(__isl_take isl_set *set,
 257                 enum isl_dim_type type, unsigned pos, unsigned n);
 258 __isl_give isl_basic_set *isl_basic_set_add(__isl_take isl_basic_set *bset,
 259                 enum isl_dim_type type, unsigned n);
 260 __isl_give isl_set *isl_set_add(__isl_take isl_set *set,
 261                 enum isl_dim_type type, unsigned n);
 262 __isl_give isl_basic_set *isl_basic_set_move_dims(__isl_take isl_basic_set *bset,
 263         enum isl_dim_type dst_type, unsigned dst_pos,
 264         enum isl_dim_type src_type, unsigned src_pos, unsigned n);
 265 __isl_give isl_set *isl_set_move_dims(__isl_take isl_set *set,
 266         enum isl_dim_type dst_type, unsigned dst_pos,
 267         enum isl_dim_type src_type, unsigned src_pos, unsigned n);
 268 __isl_give isl_basic_set *isl_basic_set_project_out(
 269                 __isl_take isl_basic_set *bset,
 270                 enum isl_dim_type type, unsigned first, unsigned n);
 271 __isl_give isl_set *isl_set_project_out(__isl_take isl_set *set,
 272                 enum isl_dim_type type, unsigned first, unsigned n);
 273 struct isl_basic_set *isl_basic_set_remove_dims(struct isl_basic_set *bset,
 274                 unsigned first, unsigned n);
 275 __isl_give isl_basic_set *isl_basic_set_remove_divs(
 276         __isl_take isl_basic_set *bset);
 277 struct isl_set *isl_set_eliminate_dims(struct isl_set *set,
 278                 unsigned first, unsigned n);
 279 __isl_give isl_set *isl_set_remove(__isl_take isl_set *bset,
 280         enum isl_dim_type type, unsigned first, unsigned n);
 281 struct isl_set *isl_set_remove_dims(struct isl_set *set,
 282                 unsigned first, unsigned n);
 283 __isl_give isl_set *isl_set_remove_divs(__isl_take isl_set *set);
 284 __isl_give isl_set *isl_set_split_dims(__isl_take isl_set *set,
 285         enum isl_dim_type type, unsigned first, unsigned n);
 286
 287 void isl_set_dump(__isl_keep isl_set *set, FILE *out, int indent);
 288 struct isl_set *isl_set_swap_vars(struct isl_set *set, unsigned n);
 289 int isl_set_fast_is_empty(__isl_keep isl_set *set);
 290 int isl_set_fast_is_universe(__isl_keep isl_set *set);
 291 int isl_set_is_empty(__isl_keep isl_set *set);
 292 int isl_set_is_bounded(__isl_keep isl_set *set);
 293 int isl_set_is_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 294 int isl_set_is_strict_subset(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 295 int isl_set_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 296 int isl_set_is_singleton(__isl_keep isl_set *set);
 297 int isl_set_is_box(__isl_keep isl_set *set);
 298 int isl_set_has_equal_dim(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 299
 300 __isl_give isl_set *isl_set_sum(__isl_take isl_set *set1,
 301         __isl_take isl_set *set2);
 302 __isl_give isl_set *isl_set_neg(__isl_take isl_set *set);
 303
 304 __isl_give isl_set *isl_set_make_disjoint(__isl_take isl_set *set);
 305 struct isl_set *isl_basic_set_compute_divs(struct isl_basic_set *bset);
 306 __isl_give isl_set *isl_set_compute_divs(__isl_take isl_set *set);
 307 __isl_give isl_set *isl_set_align_divs(__isl_take isl_set *set);
 308
 309 struct isl_basic_set *isl_set_copy_basic_set(struct isl_set *set);
 310 struct isl_set *isl_set_drop_basic_set(struct isl_set *set,
 311                                                 struct isl_basic_set *bset);
 312
 313 int isl_basic_set_fast_dim_is_fixed(struct isl_basic_set *bset, unsigned dim,
 314         isl_int *val);
 315
 316 int isl_set_fast_dim_is_fixed(struct isl_set *set, unsigned dim, isl_int *val);
 317 int isl_set_fast_dim_has_fixed_lower_bound(struct isl_set *set,
 318         unsigned dim, isl_int *val);
 319 int isl_set_dim_is_bounded(__isl_keep isl_set *set,
 320         enum isl_dim_type type, unsigned pos);
 321
 322 __isl_give isl_basic_set *isl_basic_set_gist(__isl_take isl_basic_set *bset,
 323                                             __isl_take isl_basic_set *context);
 324 __isl_give isl_set *isl_set_gist_basic_set(__isl_take isl_set *set,
 325         __isl_take isl_basic_set *context);
 326 __isl_give isl_set *isl_set_gist(__isl_take isl_set *set,
 327         __isl_take isl_set *context);
 328 int isl_basic_set_dim_residue_class(struct isl_basic_set *bset,
 329         int pos, isl_int *modulo, isl_int *residue);
 330 int isl_set_dim_residue_class(struct isl_set *set,
 331         int pos, isl_int *modulo, isl_int *residue);
 332
 333 __isl_give isl_set *isl_set_coalesce(__isl_take isl_set *set);
 334
 335 int isl_set_fast_is_equal(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 336 int isl_set_fast_is_disjoint(__isl_keep isl_set *set1, __isl_keep isl_set *set2);
 337
 338 uint32_t isl_set_get_hash(struct isl_set *set);
 339
 340 int isl_set_dim_is_unique(struct isl_set *set, unsigned dim);
 341
 342 int isl_set_foreach_basic_set(__isl_keep isl_set *set,
 343         int (*fn)(__isl_take isl_basic_set *bset, void *user), void *user);
 344
 345 int isl_set_foreach_point(__isl_keep isl_set *set,
 346         int (*fn)(__isl_take isl_point *pnt, void *user), void *user);
 347 int isl_set_count(__isl_keep isl_set *set, isl_int *count);
 348 int isl_set_count_upto(__isl_keep isl_set *set, isl_int max, isl_int *count);
 349
 350 __isl_give isl_set *isl_set_from_point(__isl_take isl_point *pnt);
 351 __isl_give isl_set *isl_set_box_from_points(__isl_take isl_point *pnt1,
 352         __isl_take isl_point *pnt2);
 353
 354 __isl_give isl_set *isl_set_lift(__isl_take isl_set *set);
 355
 356 __isl_give isl_map *isl_set_lex_le_set(__isl_take isl_set *set1,
 357         __isl_take isl_set *set2);
 358 __isl_give isl_map *isl_set_lex_lt_set(__isl_take isl_set *set1,
 359         __isl_take isl_set *set2);
 360 __isl_give isl_map *isl_set_lex_ge_set(__isl_take isl_set *set1,
 361         __isl_take isl_set *set2);
 362 __isl_give isl_map *isl_set_lex_gt_set(__isl_take isl_set *set1,
 363         __isl_take isl_set *set2);
 364
 365 int isl_set_size(__isl_keep isl_set *set);
 366
 367 __isl_give isl_basic_set *isl_basic_set_from_constraint_matrices(
 368         __isl_take isl_dim *dim,
 369         __isl_take isl_mat *eq, __isl_take isl_mat *ineq, enum isl_dim_type c1,
 370         enum isl_dim_type c2, enum isl_dim_type c3, enum isl_dim_type c4);
 371
 372 #if defined(__cplusplus)
 373 }
 374 #endif
 375
 376 #endif